// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "test/unittests/test-utils.h" #include "src/init/v8.h" #include "src/objects/objects-inl.h" #include "src/objects/objects.h" #include "src/utils/ostreams.h" #include "src/wasm/function-body-decoder-impl.h" #include "src/wasm/function-body-decoder.h" #include "src/wasm/local-decl-encoder.h" #include "src/wasm/signature-map.h" #include "src/wasm/wasm-limits.h" #include "src/wasm/wasm-module.h" #include "src/wasm/wasm-opcodes.h" #include "test/common/wasm/flag-utils.h" #include "test/common/wasm/test-signatures.h" #include "test/common/wasm/wasm-macro-gen.h" #include "testing/gmock-support.h" namespace v8 { namespace internal { namespace wasm { namespace function_body_decoder_unittest { #define B1(a) WASM_BLOCK(a) #define B2(a, b) WASM_BLOCK(a, b) #define B3(a, b, c) WASM_BLOCK(a, b, c) #define WASM_IF_OP kExprIf, kLocalVoid #define WASM_LOOP_OP kExprLoop, kLocalVoid static const byte kCodeGetLocal0[] = {kExprGetLocal, 0}; static const byte kCodeGetLocal1[] = {kExprGetLocal, 1}; static const byte kCodeSetLocal0[] = {WASM_SET_LOCAL(0, WASM_ZERO)}; static const byte kCodeTeeLocal0[] = {WASM_TEE_LOCAL(0, WASM_ZERO)}; static const ValueType kValueTypes[] = {kWasmI32, kWasmI64, kWasmF32, kWasmF64, kWasmAnyRef}; static const MachineType machineTypes[] = { MachineType::Int8(), MachineType::Uint8(), MachineType::Int16(), MachineType::Uint16(), MachineType::Int32(), MachineType::Uint32(), MachineType::Int64(), MachineType::Uint64(), MachineType::Float32(), MachineType::Float64()}; static const WasmOpcode kInt32BinopOpcodes[] = { kExprI32Add, kExprI32Sub, kExprI32Mul, kExprI32DivS, kExprI32DivU, kExprI32RemS, kExprI32RemU, kExprI32And, kExprI32Ior, kExprI32Xor, kExprI32Shl, kExprI32ShrU, kExprI32ShrS, kExprI32Eq, kExprI32LtS, kExprI32LeS, kExprI32LtU, kExprI32LeU}; #define WASM_BRV_IF_ZERO(depth, val) \ val, WASM_ZERO, kExprBrIf, static_cast(depth) class FunctionBodyDecoderTest : public TestWithZone { public: using LocalsDecl = std::pair; // All features are disabled by default and must be activated with // a WASM_FEATURE_SCOPE in individual tests. WasmFeatures enabled_features_; FunctionBodyDecoderTest() : module(nullptr), local_decls(zone()) {} TestSignatures sigs; WasmModule* module; LocalDeclEncoder local_decls; void AddLocals(ValueType type, uint32_t count) { local_decls.AddLocals(count, type); } enum AppendEnd : bool { kAppendEnd, kOmitEnd }; Vector PrepareBytecode(Vector code, AppendEnd append_end) { size_t locals_size = local_decls.Size(); size_t total_size = code.size() + locals_size + (append_end == kAppendEnd ? 1 : 0); byte* buffer = static_cast(zone()->New(total_size)); // Prepend the local decls to the code. local_decls.Emit(buffer); // Emit the code. if (code.size() > 0) { memcpy(buffer + locals_size, code.begin(), code.size()); } if (append_end == kAppendEnd) { // Append an extra end opcode. buffer[total_size - 1] = kExprEnd; } return {buffer, total_size}; } template Vector CodeToVector(const byte (&code)[N]) { return ArrayVector(code); } Vector CodeToVector( const std::initializer_list& code) { return VectorOf(&*code.begin(), code.size()); } Vector CodeToVector(Vector vec) { return vec; } // Prepends local variable declarations and renders nice error messages for // verification failures. template > void Validate(bool expected_success, FunctionSig* sig, Code&& raw_code, AppendEnd append_end = kAppendEnd, const char* message = nullptr) { Vector code = PrepareBytecode(CodeToVector(std::forward(raw_code)), append_end); // Validate the code. FunctionBody body(sig, 0, code.begin(), code.end()); WasmFeatures unused_detected_features; DecodeResult result = VerifyWasmCode(zone()->allocator(), enabled_features_, module, &unused_detected_features, body); std::ostringstream str; if (result.failed()) { str << "Verification failed: pc = +" << result.error().offset() << ", msg = " << result.error().message(); } else { str << "Verification successed, expected failure"; } EXPECT_EQ(result.ok(), expected_success) << str.str(); if (result.failed() && message) { EXPECT_THAT(result.error().message(), ::testing::HasSubstr(message)); } } template > void ExpectValidates(FunctionSig* sig, Code&& raw_code, AppendEnd append_end = kAppendEnd, const char* message = nullptr) { Validate(true, sig, std::forward(raw_code), append_end, message); } template > void ExpectFailure(FunctionSig* sig, Code&& raw_code, AppendEnd append_end = kAppendEnd, const char* message = nullptr) { Validate(false, sig, std::forward(raw_code), append_end, message); } void TestBinop(WasmOpcode opcode, FunctionSig* success) { // op(local[0], local[1]) byte code[] = {WASM_BINOP(opcode, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))}; ExpectValidates(success, code); // Try all combinations of return and parameter types. for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { for (size_t k = 0; k < arraysize(kValueTypes); k++) { ValueType types[] = {kValueTypes[i], kValueTypes[j], kValueTypes[k]}; if (types[0] != success->GetReturn(0) || types[1] != success->GetParam(0) || types[2] != success->GetParam(1)) { // Test signature mismatch. FunctionSig sig(1, 2, types); ExpectFailure(&sig, code); } } } } } void TestUnop(WasmOpcode opcode, FunctionSig* success) { TestUnop(opcode, success->GetReturn(), success->GetParam(0)); } void TestUnop(WasmOpcode opcode, ValueType ret_type, ValueType param_type) { // Return(op(local[0])) byte code[] = {WASM_UNOP(opcode, WASM_GET_LOCAL(0))}; { ValueType types[] = {ret_type, param_type}; FunctionSig sig(1, 1, types); ExpectValidates(&sig, code); } // Try all combinations of return and parameter types. for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType types[] = {kValueTypes[i], kValueTypes[j]}; if (types[0] != ret_type || types[1] != param_type) { // Test signature mismatch. FunctionSig sig(1, 1, types); ExpectFailure(&sig, code); } } } } }; namespace { class EnableBoolScope { public: bool prev_; bool* ptr_; explicit EnableBoolScope(bool* ptr) : prev_(*ptr), ptr_(ptr) { *ptr = true; } ~EnableBoolScope() { *ptr_ = prev_; } }; #define WASM_FEATURE_SCOPE(feat) \ EnableBoolScope feat##_scope(&this->enabled_features_.feat); constexpr size_t kMaxByteSizedLeb128 = 127; // A helper for tests that require a module environment for functions, // globals, or memories. class TestModuleBuilder { public: explicit TestModuleBuilder(ModuleOrigin origin = kWasmOrigin) { mod.origin = origin; } byte AddGlobal(ValueType type, bool mutability = true) { mod.globals.push_back( {type, mutability, WasmInitExpr(), {0}, false, false}); CHECK_LE(mod.globals.size(), kMaxByteSizedLeb128); return static_cast(mod.globals.size() - 1); } byte AddSignature(FunctionSig* sig) { mod.signatures.push_back(sig); CHECK_LE(mod.signatures.size(), kMaxByteSizedLeb128); return static_cast(mod.signatures.size() - 1); } byte AddFunction(FunctionSig* sig) { mod.functions.push_back({sig, // sig 0, // func_index 0, // sig_index {0, 0}, // code false, // import false}); // export CHECK_LE(mod.functions.size(), kMaxByteSizedLeb128); return static_cast(mod.functions.size() - 1); } byte AddImport(FunctionSig* sig) { byte result = AddFunction(sig); mod.functions[result].imported = true; return result; } byte AddException(WasmExceptionSig* sig) { mod.exceptions.emplace_back(sig); CHECK_LE(mod.signatures.size(), kMaxByteSizedLeb128); return static_cast(mod.exceptions.size() - 1); } byte AddTable(ValueType type, uint32_t initial_size, bool has_maximum_size, uint32_t maximum_size) { CHECK(type == kWasmAnyRef || type == kWasmFuncRef); mod.tables.emplace_back(); WasmTable& table = mod.tables.back(); table.type = type; table.initial_size = initial_size; table.has_maximum_size = has_maximum_size; table.maximum_size = maximum_size; return static_cast(mod.tables.size() - 1); } void InitializeMemory() { mod.has_memory = true; mod.initial_pages = 1; mod.maximum_pages = 100; } void InitializeTable() { mod.tables.emplace_back(); } byte AddPassiveElementSegment() { mod.elem_segments.emplace_back(); auto& init = mod.elem_segments.back(); // Add 5 empty elements. for (uint32_t j = 0; j < 5; j++) { init.entries.push_back(WasmElemSegment::kNullIndex); } return static_cast(mod.elem_segments.size() - 1); } // Set the number of data segments as declared by the DataCount section. void SetDataSegmentCount(uint32_t data_segment_count) { // The Data section occurs after the Code section, so we don't need to // update mod.data_segments, as it is always empty. mod.num_declared_data_segments = data_segment_count; } WasmModule* module() { return &mod; } private: WasmModule mod; }; } // namespace TEST_F(FunctionBodyDecoderTest, Int32Const1) { byte code[] = {kExprI32Const, 0}; for (int i = -64; i <= 63; i++) { code[1] = static_cast(i & 0x7F); ExpectValidates(sigs.i_i(), code); } } TEST_F(FunctionBodyDecoderTest, RefNull) { WASM_FEATURE_SCOPE(anyref); ExpectValidates(sigs.r_v(), {kExprRefNull}); } TEST_F(FunctionBodyDecoderTest, RefFunc) { WASM_FEATURE_SCOPE(anyref); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.v_ii()); builder.AddFunction(sigs.ii_v()); ExpectValidates(sigs.a_v(), {kExprRefFunc, 1}); } TEST_F(FunctionBodyDecoderTest, EmptyFunction) { ExpectValidates(sigs.v_v(), {}); ExpectFailure(sigs.i_i(), {}); } TEST_F(FunctionBodyDecoderTest, IncompleteIf1) { byte code[] = {kExprIf}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, Int32Const_fallthru) { ExpectValidates(sigs.i_i(), {WASM_I32V_1(0)}); } TEST_F(FunctionBodyDecoderTest, Int32Const_fallthru2) { ExpectFailure(sigs.i_i(), {WASM_I32V_1(0), WASM_I32V_1(1)}); } TEST_F(FunctionBodyDecoderTest, Int32Const) { const int kInc = 4498211; for (int32_t i = kMinInt; i < kMaxInt - kInc; i = i + kInc) { // TODO(binji): expand test for other sized int32s; 1 through 5 bytes. ExpectValidates(sigs.i_i(), {WASM_I32V(i)}); } } TEST_F(FunctionBodyDecoderTest, Int64Const) { const int kInc = 4498211; for (int32_t i = kMinInt; i < kMaxInt - kInc; i = i + kInc) { ExpectValidates(sigs.l_l(), {WASM_I64V((static_cast(i) << 32) | i)}); } } TEST_F(FunctionBodyDecoderTest, Float32Const) { byte code[] = {kExprF32Const, 0, 0, 0, 0}; Address ptr = reinterpret_cast
(code + 1); for (int i = 0; i < 30; i++) { base::WriteLittleEndianValue(ptr, i * -7.75f); ExpectValidates(sigs.f_ff(), code); } } TEST_F(FunctionBodyDecoderTest, Float64Const) { byte code[] = {kExprF64Const, 0, 0, 0, 0, 0, 0, 0, 0}; Address ptr = reinterpret_cast
(code + 1); for (int i = 0; i < 30; i++) { base::WriteLittleEndianValue(ptr, i * 33.45); ExpectValidates(sigs.d_dd(), code); } } TEST_F(FunctionBodyDecoderTest, Int32Const_off_end) { byte code[] = {kExprI32Const, 0xAA, 0xBB, 0xCC, 0x44}; for (size_t size = 1; size <= 4; ++size) { ExpectFailure(sigs.i_i(), VectorOf(code, size), kAppendEnd); // Should also fail without the trailing 'end' opcode. ExpectFailure(sigs.i_i(), VectorOf(code, size), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, GetLocal0_param) { ExpectValidates(sigs.i_i(), kCodeGetLocal0); } TEST_F(FunctionBodyDecoderTest, GetLocal0_local) { AddLocals(kWasmI32, 1); ExpectValidates(sigs.i_v(), kCodeGetLocal0); } TEST_F(FunctionBodyDecoderTest, TooManyLocals) { AddLocals(kWasmI32, 4034986500); ExpectFailure(sigs.i_v(), kCodeGetLocal0); } TEST_F(FunctionBodyDecoderTest, GetLocal0_param_n) { FunctionSig* array[] = {sigs.i_i(), sigs.i_ii(), sigs.i_iii()}; for (size_t i = 0; i < arraysize(array); i++) { ExpectValidates(array[i], kCodeGetLocal0); } } TEST_F(FunctionBodyDecoderTest, GetLocalN_local) { for (byte i = 1; i < 8; i++) { AddLocals(kWasmI32, 1); for (byte j = 0; j < i; j++) { ExpectValidates(sigs.i_v(), {kExprGetLocal, j}); } } } TEST_F(FunctionBodyDecoderTest, GetLocal0_fail_no_params) { ExpectFailure(sigs.i_v(), kCodeGetLocal0); } TEST_F(FunctionBodyDecoderTest, GetLocal1_fail_no_locals) { ExpectFailure(sigs.i_i(), kCodeGetLocal1); } TEST_F(FunctionBodyDecoderTest, GetLocal_off_end) { ExpectFailure(sigs.i_i(), {kExprGetLocal}); } TEST_F(FunctionBodyDecoderTest, NumLocalBelowLimit) { AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 1); ExpectValidates(sigs.v_v(), {WASM_NOP}); } TEST_F(FunctionBodyDecoderTest, NumLocalAtLimit) { AddLocals(kWasmI32, kV8MaxWasmFunctionLocals); ExpectValidates(sigs.v_v(), {WASM_NOP}); } TEST_F(FunctionBodyDecoderTest, NumLocalAboveLimit) { AddLocals(kWasmI32, kV8MaxWasmFunctionLocals + 1); ExpectFailure(sigs.v_v(), {WASM_NOP}); } TEST_F(FunctionBodyDecoderTest, GetLocal_varint) { const int kMaxLocals = kV8MaxWasmFunctionLocals - 1; AddLocals(kWasmI32, kMaxLocals); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_1(66)}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_2(7777)}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_3(8888)}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_4(9999)}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_5(kMaxLocals - 1)}); ExpectFailure(sigs.i_i(), {kExprGetLocal, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_4(kMaxLocals - 1)}); ExpectValidates(sigs.i_i(), {kExprGetLocal, U32V_4(kMaxLocals)}); ExpectFailure(sigs.i_i(), {kExprGetLocal, U32V_4(kMaxLocals + 1)}); ExpectFailure(sigs.i_v(), {kExprGetLocal, U32V_4(kMaxLocals)}); ExpectFailure(sigs.i_v(), {kExprGetLocal, U32V_4(kMaxLocals + 1)}); } TEST_F(FunctionBodyDecoderTest, GetLocal_toomany) { AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 100); AddLocals(kWasmI32, 100); ExpectValidates(sigs.i_v(), {kExprGetLocal, U32V_1(66)}); ExpectFailure(sigs.i_i(), {kExprGetLocal, U32V_1(66)}); } TEST_F(FunctionBodyDecoderTest, Binops_off_end) { byte code1[] = {0}; // [opcode] for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { code1[0] = kInt32BinopOpcodes[i]; ExpectFailure(sigs.i_i(), code1); } byte code3[] = {kExprGetLocal, 0, 0}; // [expr] [opcode] for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { code3[2] = kInt32BinopOpcodes[i]; ExpectFailure(sigs.i_i(), code3); } byte code4[] = {kExprGetLocal, 0, 0, 0}; // [expr] [opcode] [opcode] for (size_t i = 0; i < arraysize(kInt32BinopOpcodes); i++) { code4[2] = kInt32BinopOpcodes[i]; code4[3] = kInt32BinopOpcodes[i]; ExpectFailure(sigs.i_i(), code4); } } TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock1) { ExpectFailure(sigs.i_i(), {WASM_ZERO, kExprBlock, kLocalI32, WASM_ZERO, kExprI32Add, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock2) { ExpectFailure(sigs.i_i(), {WASM_ZERO, WASM_ZERO, kExprBlock, kLocalI32, kExprI32Add, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, BinopsAcrossBlock3) { ExpectFailure(sigs.i_i(), {WASM_ZERO, WASM_ZERO, kExprIf, kLocalI32, kExprI32Add, kExprElse, kExprI32Add, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, Nop) { ExpectValidates(sigs.v_v(), {kExprNop}); } TEST_F(FunctionBodyDecoderTest, SetLocal0_void) { ExpectFailure(sigs.i_i(), {WASM_SET_LOCAL(0, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, SetLocal0_param) { ExpectFailure(sigs.i_i(), kCodeSetLocal0); ExpectFailure(sigs.f_ff(), kCodeSetLocal0); ExpectFailure(sigs.d_dd(), kCodeSetLocal0); } TEST_F(FunctionBodyDecoderTest, TeeLocal0_param) { ExpectValidates(sigs.i_i(), kCodeTeeLocal0); ExpectFailure(sigs.f_ff(), kCodeTeeLocal0); ExpectFailure(sigs.d_dd(), kCodeTeeLocal0); } TEST_F(FunctionBodyDecoderTest, SetLocal0_local) { ExpectFailure(sigs.i_v(), kCodeSetLocal0); ExpectFailure(sigs.v_v(), kCodeSetLocal0); AddLocals(kWasmI32, 1); ExpectFailure(sigs.i_v(), kCodeSetLocal0); ExpectValidates(sigs.v_v(), kCodeSetLocal0); } TEST_F(FunctionBodyDecoderTest, TeeLocal0_local) { ExpectFailure(sigs.i_v(), kCodeTeeLocal0); AddLocals(kWasmI32, 1); ExpectValidates(sigs.i_v(), kCodeTeeLocal0); } TEST_F(FunctionBodyDecoderTest, TeeLocalN_local) { for (byte i = 1; i < 8; i++) { AddLocals(kWasmI32, 1); for (byte j = 0; j < i; j++) { ExpectFailure(sigs.v_v(), {WASM_TEE_LOCAL(j, WASM_I32V_1(i))}); ExpectValidates(sigs.i_i(), {WASM_TEE_LOCAL(j, WASM_I32V_1(i))}); } } } TEST_F(FunctionBodyDecoderTest, BlockN) { constexpr size_t kMaxSize = 200; byte buffer[kMaxSize + 3]; for (size_t i = 0; i <= kMaxSize; i++) { memset(buffer, kExprNop, sizeof(buffer)); buffer[0] = kExprBlock; buffer[1] = kLocalVoid; buffer[i + 2] = kExprEnd; ExpectValidates(sigs.v_i(), VectorOf(buffer, i + 3), kAppendEnd); } } #define WASM_EMPTY_BLOCK kExprBlock, kLocalVoid, kExprEnd TEST_F(FunctionBodyDecoderTest, Block0) { ExpectValidates(sigs.v_v(), {WASM_EMPTY_BLOCK}); ExpectFailure(sigs.i_i(), {WASM_EMPTY_BLOCK}); } TEST_F(FunctionBodyDecoderTest, Block0_fallthru1) { ExpectValidates(sigs.v_v(), {WASM_BLOCK(WASM_EMPTY_BLOCK)}); ExpectFailure(sigs.i_i(), {WASM_BLOCK(WASM_EMPTY_BLOCK)}); } TEST_F(FunctionBodyDecoderTest, Block0Block0) { ExpectValidates(sigs.v_v(), {WASM_EMPTY_BLOCK, WASM_EMPTY_BLOCK}); ExpectFailure(sigs.i_i(), {WASM_EMPTY_BLOCK, WASM_EMPTY_BLOCK}); } TEST_F(FunctionBodyDecoderTest, Block0_end) { ExpectFailure(sigs.v_v(), {WASM_EMPTY_BLOCK, kExprEnd}); } #undef WASM_EMPTY_BLOCK TEST_F(FunctionBodyDecoderTest, Block1) { byte code[] = {WASM_BLOCK_I(WASM_GET_LOCAL(0))}; ExpectValidates(sigs.i_i(), code); ExpectFailure(sigs.v_i(), code); ExpectFailure(sigs.d_dd(), code); ExpectFailure(sigs.i_f(), code); ExpectFailure(sigs.i_d(), code); } TEST_F(FunctionBodyDecoderTest, Block1_i) { byte code[] = {WASM_BLOCK_I(WASM_ZERO)}; ExpectValidates(sigs.i_i(), code); ExpectFailure(sigs.f_ff(), code); ExpectFailure(sigs.d_dd(), code); ExpectFailure(sigs.l_ll(), code); } TEST_F(FunctionBodyDecoderTest, Block1_f) { byte code[] = {WASM_BLOCK_F(WASM_F32(0))}; ExpectFailure(sigs.i_i(), code); ExpectValidates(sigs.f_ff(), code); ExpectFailure(sigs.d_dd(), code); ExpectFailure(sigs.l_ll(), code); } TEST_F(FunctionBodyDecoderTest, Block1_continue) { ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); } TEST_F(FunctionBodyDecoderTest, Block1_br) { ExpectValidates(sigs.v_v(), {B1(WASM_BR(0))}); ExpectValidates(sigs.v_v(), {B1(WASM_BR(1))}); ExpectFailure(sigs.v_v(), {B1(WASM_BR(2))}); } TEST_F(FunctionBodyDecoderTest, Block2_br) { ExpectValidates(sigs.v_v(), {B2(WASM_NOP, WASM_BR(0))}); ExpectValidates(sigs.v_v(), {B2(WASM_BR(0), WASM_NOP)}); ExpectValidates(sigs.v_v(), {B2(WASM_BR(0), WASM_BR(0))}); } TEST_F(FunctionBodyDecoderTest, Block2) { ExpectFailure(sigs.i_i(), {WASM_BLOCK(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_i(), {WASM_BLOCK_I(WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_NOP, WASM_ZERO)}); ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_ZERO, WASM_NOP)}); ExpectFailure(sigs.i_i(), {WASM_BLOCK_I(WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Block2b) { byte code[] = {WASM_BLOCK_I(WASM_SET_LOCAL(0, WASM_ZERO), WASM_ZERO)}; ExpectValidates(sigs.i_i(), code); ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.f_ff(), code); } TEST_F(FunctionBodyDecoderTest, Block2_fallthru) { ExpectValidates(sigs.i_i(), {B2(WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_ZERO)), WASM_I32V_1(23)}); } TEST_F(FunctionBodyDecoderTest, Block3) { ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_ZERO), WASM_I32V_1(11))}); } TEST_F(FunctionBodyDecoderTest, Block5) { ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO)}); ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_i(), {WASM_BLOCK(WASM_ZERO, WASM_ZERO, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, BlockType) { ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.l_l(), {WASM_BLOCK_L(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.f_f(), {WASM_BLOCK_F(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.d_d(), {WASM_BLOCK_D(WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, BlockType_fail) { ExpectFailure(sigs.i_i(), {WASM_BLOCK_L(WASM_I64V_1(0))}); ExpectFailure(sigs.i_i(), {WASM_BLOCK_F(WASM_F32(0.0))}); ExpectFailure(sigs.i_i(), {WASM_BLOCK_D(WASM_F64(1.1))}); ExpectFailure(sigs.l_l(), {WASM_BLOCK_I(WASM_ZERO)}); ExpectFailure(sigs.l_l(), {WASM_BLOCK_F(WASM_F32(0.0))}); ExpectFailure(sigs.l_l(), {WASM_BLOCK_D(WASM_F64(1.1))}); ExpectFailure(sigs.f_ff(), {WASM_BLOCK_I(WASM_ZERO)}); ExpectFailure(sigs.f_ff(), {WASM_BLOCK_L(WASM_I64V_1(0))}); ExpectFailure(sigs.f_ff(), {WASM_BLOCK_D(WASM_F64(1.1))}); ExpectFailure(sigs.d_dd(), {WASM_BLOCK_I(WASM_ZERO)}); ExpectFailure(sigs.d_dd(), {WASM_BLOCK_L(WASM_I64V_1(0))}); ExpectFailure(sigs.d_dd(), {WASM_BLOCK_F(WASM_F32(0.0))}); } TEST_F(FunctionBodyDecoderTest, BlockF32) { static const byte code[] = {WASM_BLOCK_F(kExprF32Const, 0, 0, 0, 0)}; ExpectValidates(sigs.f_ff(), code); ExpectFailure(sigs.i_i(), code); ExpectFailure(sigs.d_dd(), code); } TEST_F(FunctionBodyDecoderTest, BlockN_off_end) { byte code[] = {WASM_BLOCK(kExprNop, kExprNop, kExprNop, kExprNop)}; ExpectValidates(sigs.v_v(), code); for (size_t i = 1; i < arraysize(code); i++) { ExpectFailure(sigs.v_v(), VectorOf(code, i), kAppendEnd); ExpectFailure(sigs.v_v(), VectorOf(code, i), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, Block2_continue) { ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(0))}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(1))}); ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_BR(2))}); } TEST_F(FunctionBodyDecoderTest, Block3_continue) { ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(0)))}); ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(1)))}); ExpectValidates(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(2)))}); ExpectFailure(sigs.v_v(), {B1(WASM_LOOP(WASM_NOP, WASM_BR(3)))}); } TEST_F(FunctionBodyDecoderTest, NestedBlock_return) { ExpectValidates(sigs.i_i(), {B1(B1(WASM_RETURN1(WASM_ZERO))), WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, BlockBrBinop) { ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_BLOCK_I(WASM_BRV(0, WASM_I32V_1(1))), WASM_I32V_1(2))}); } TEST_F(FunctionBodyDecoderTest, If_empty1) { ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, If_empty2) { ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprElse, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, If_empty3) { ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, WASM_NOP, kExprElse, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, WASM_ZERO, kExprElse, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, If_empty4) { ExpectValidates(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprElse, WASM_NOP, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_ZERO, WASM_IF_OP, kExprElse, WASM_ZERO, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, If_empty_stack) { byte code[] = {kExprIf}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, If_incomplete1) { byte code[] = {kExprI32Const, 0, kExprIf}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, If_incomplete2) { byte code[] = {kExprI32Const, 0, kExprIf, kExprNop}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, If_else_else) { byte code[] = {kExprI32Const, 0, WASM_IF_OP, kExprElse, kExprElse, kExprEnd}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, IfEmpty) { ExpectValidates(sigs.v_i(), {kExprGetLocal, 0, WASM_IF_OP, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, IfSet) { ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_SET_LOCAL(0, WASM_ZERO))}); ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_SET_LOCAL(0, WASM_ZERO), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, IfElseEmpty) { ExpectValidates(sigs.v_i(), {WASM_GET_LOCAL(0), WASM_IF_OP, kExprElse, kExprEnd}); ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, IfElseUnreachable1) { ExpectValidates( sigs.i_i(), {WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_UNREACHABLE, WASM_GET_LOCAL(0))}); ExpectValidates( sigs.i_i(), {WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_UNREACHABLE)}); } TEST_F(FunctionBodyDecoderTest, IfElseUnreachable2) { static const byte code[] = { WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_UNREACHABLE, WASM_GET_LOCAL(0))}; for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType types[] = {kWasmI32, kValueTypes[i]}; FunctionSig sig(1, 1, types); Validate(kValueTypes[i] == kWasmI32, &sig, code); } } TEST_F(FunctionBodyDecoderTest, OneArmedIfWithArity) { static const byte code[] = {WASM_ZERO, kExprIf, kLocalI32, WASM_ONE, kExprEnd}; ExpectFailure(sigs.i_v(), code, kAppendEnd, "start-arity and end-arity of one-armed if must match"); } TEST_F(FunctionBodyDecoderTest, IfBreak) { ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_BR(0))}); ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_BR(1))}); ExpectFailure(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_BR(2))}); } TEST_F(FunctionBodyDecoderTest, IfElseBreak) { ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_BR(0))}); ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_BR(1))}); ExpectFailure(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_BR(2))}); } TEST_F(FunctionBodyDecoderTest, Block_else) { byte code[] = {kExprI32Const, 0, kExprBlock, kExprElse, kExprEnd}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, IfNop) { ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_NOP)}); ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, If_end) { ExpectValidates(sigs.v_i(), {kExprGetLocal, 0, WASM_IF_OP, kExprEnd}); ExpectFailure(sigs.v_i(), {kExprGetLocal, 0, WASM_IF_OP, kExprEnd, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, If_falloff1) { ExpectFailure(sigs.v_i(), {kExprGetLocal, 0, kExprIf}); ExpectFailure(sigs.v_i(), {kExprGetLocal, 0, WASM_IF_OP}); ExpectFailure(sigs.v_i(), {kExprGetLocal, 0, WASM_IF_OP, kExprNop, kExprElse}); } TEST_F(FunctionBodyDecoderTest, IfElseNop) { ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_SET_LOCAL(0, WASM_ZERO), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, IfBlock1) { ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), B1(WASM_SET_LOCAL(0, WASM_ZERO)), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, IfBlock1b) { ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), B1(WASM_SET_LOCAL(0, WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, IfBlock2a) { ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), B2(WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, IfBlock2b) { ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), B2(WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_ZERO)), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, IfElseSet) { ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_I32V_1(1)))}); } TEST_F(FunctionBodyDecoderTest, Loop0) { ExpectValidates(sigs.v_v(), {WASM_LOOP_OP, kExprEnd}); } TEST_F(FunctionBodyDecoderTest, Loop1) { static const byte code[] = {WASM_LOOP(WASM_SET_LOCAL(0, WASM_ZERO))}; ExpectValidates(sigs.v_i(), code); ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.f_ff(), code); } TEST_F(FunctionBodyDecoderTest, Loop2) { ExpectValidates(sigs.v_i(), {WASM_LOOP(WASM_SET_LOCAL(0, WASM_ZERO), WASM_SET_LOCAL(0, WASM_ZERO))}); } TEST_F(FunctionBodyDecoderTest, Loop1_continue) { ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); } TEST_F(FunctionBodyDecoderTest, Loop1_break) { ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(1))}); } TEST_F(FunctionBodyDecoderTest, Loop2_continue) { ExpectValidates(sigs.v_i(), {WASM_LOOP(WASM_SET_LOCAL(0, WASM_ZERO), WASM_BR(0))}); } TEST_F(FunctionBodyDecoderTest, Loop2_break) { ExpectValidates(sigs.v_i(), {WASM_LOOP(WASM_SET_LOCAL(0, WASM_ZERO), WASM_BR(1))}); } TEST_F(FunctionBodyDecoderTest, InfiniteLoop1) { ExpectValidates(sigs.i_i(), {WASM_LOOP(WASM_BR(0)), WASM_ZERO}); ExpectValidates(sigs.i_i(), {WASM_LOOP(WASM_BR(0)), WASM_ZERO}); ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_BRV(1, WASM_ZERO))}); } TEST_F(FunctionBodyDecoderTest, InfiniteLoop2) { ExpectFailure(sigs.i_i(), {WASM_LOOP(WASM_BR(0), WASM_ZERO), WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, Loop2_unreachable) { ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_BR(0), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, LoopType) { ExpectValidates(sigs.i_i(), {WASM_LOOP_I(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.l_l(), {WASM_LOOP_L(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.f_f(), {WASM_LOOP_F(WASM_GET_LOCAL(0))}); ExpectValidates(sigs.d_d(), {WASM_LOOP_D(WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, LoopType_void) { ExpectFailure(sigs.v_v(), {WASM_LOOP_I(WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_LOOP_L(WASM_I64V_1(0))}); ExpectFailure(sigs.v_v(), {WASM_LOOP_F(WASM_F32(0.0))}); ExpectFailure(sigs.v_v(), {WASM_LOOP_D(WASM_F64(1.1))}); } TEST_F(FunctionBodyDecoderTest, LoopType_fail) { ExpectFailure(sigs.i_i(), {WASM_LOOP_L(WASM_I64V_1(0))}); ExpectFailure(sigs.i_i(), {WASM_LOOP_F(WASM_F32(0.0))}); ExpectFailure(sigs.i_i(), {WASM_LOOP_D(WASM_F64(1.1))}); ExpectFailure(sigs.l_l(), {WASM_LOOP_I(WASM_ZERO)}); ExpectFailure(sigs.l_l(), {WASM_LOOP_F(WASM_F32(0.0))}); ExpectFailure(sigs.l_l(), {WASM_LOOP_D(WASM_F64(1.1))}); ExpectFailure(sigs.f_ff(), {WASM_LOOP_I(WASM_ZERO)}); ExpectFailure(sigs.f_ff(), {WASM_LOOP_L(WASM_I64V_1(0))}); ExpectFailure(sigs.f_ff(), {WASM_LOOP_D(WASM_F64(1.1))}); ExpectFailure(sigs.d_dd(), {WASM_LOOP_I(WASM_ZERO)}); ExpectFailure(sigs.d_dd(), {WASM_LOOP_L(WASM_I64V_1(0))}); ExpectFailure(sigs.d_dd(), {WASM_LOOP_F(WASM_F32(0.0))}); } TEST_F(FunctionBodyDecoderTest, ReturnVoid1) { static const byte code[] = {kExprNop}; ExpectValidates(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); ExpectFailure(sigs.i_f(), code); } TEST_F(FunctionBodyDecoderTest, ReturnVoid2) { static const byte code[] = {WASM_BLOCK(WASM_BR(0))}; ExpectValidates(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); ExpectFailure(sigs.i_f(), code); } TEST_F(FunctionBodyDecoderTest, ReturnVoid3) { ExpectFailure(sigs.v_v(), {kExprI32Const, 0}); ExpectFailure(sigs.v_v(), {kExprI64Const, 0}); ExpectFailure(sigs.v_v(), {kExprF32Const, 0, 0, 0, 0}); ExpectFailure(sigs.v_v(), {kExprF64Const, 0, 0, 0, 0, 0, 0, 0, 0}); ExpectFailure(sigs.v_v(), {kExprRefNull}); ExpectFailure(sigs.v_v(), {kExprRefFunc, 0}); ExpectFailure(sigs.v_i(), {kExprGetLocal, 0}); } TEST_F(FunctionBodyDecoderTest, Unreachable1) { ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE}); ExpectValidates(sigs.v_v(), {WASM_UNREACHABLE, WASM_UNREACHABLE}); ExpectValidates(sigs.i_i(), {WASM_UNREACHABLE, WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, Unreachable2) { ExpectFailure(sigs.v_v(), {B2(WASM_UNREACHABLE, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {B2(WASM_BR(0), WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, UnreachableLoop1) { ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_UNREACHABLE, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_LOOP(WASM_BR(0), WASM_ZERO)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_UNREACHABLE, WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0), WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, Unreachable_binop1) { ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_ZERO, WASM_UNREACHABLE)}); ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_UNREACHABLE, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Unreachable_binop2) { ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_F32(0.0), WASM_UNREACHABLE)}); ExpectFailure(sigs.i_i(), {WASM_I32_AND(WASM_UNREACHABLE, WASM_F32(0.0))}); } TEST_F(FunctionBodyDecoderTest, Unreachable_select1) { ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_UNREACHABLE, WASM_ZERO, WASM_ZERO)}); ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_ZERO, WASM_UNREACHABLE, WASM_ZERO)}); ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_ZERO, WASM_ZERO, WASM_UNREACHABLE)}); } TEST_F(FunctionBodyDecoderTest, Unreachable_select2) { ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_F32(0.0), WASM_UNREACHABLE, WASM_ZERO)}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_UNREACHABLE, WASM_F32(0.0), WASM_ZERO)}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_UNREACHABLE, WASM_ZERO, WASM_F32(0.0))}); } TEST_F(FunctionBodyDecoderTest, If1) { ExpectValidates(sigs.i_i(), {WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_I32V_1(9), WASM_I32V_1(8))}); ExpectValidates(sigs.i_i(), {WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_I32V_1(9), WASM_GET_LOCAL(0))}); ExpectValidates( sigs.i_i(), {WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_I32V_1(8))}); } TEST_F(FunctionBodyDecoderTest, If_off_end) { static const byte kCode[] = { WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0))}; for (size_t len = 3; len < arraysize(kCode); len++) { ExpectFailure(sigs.i_i(), VectorOf(kCode, len), kAppendEnd); ExpectFailure(sigs.i_i(), VectorOf(kCode, len), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, If_type1) { // float|double ? 1 : 2 static const byte kCode[] = { WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_I32V_1(0), WASM_I32V_1(2))}; ExpectValidates(sigs.i_i(), kCode); ExpectFailure(sigs.i_f(), kCode); ExpectFailure(sigs.i_d(), kCode); } TEST_F(FunctionBodyDecoderTest, If_type2) { // 1 ? float|double : 2 static const byte kCode[] = { WASM_IF_ELSE_I(WASM_I32V_1(1), WASM_GET_LOCAL(0), WASM_I32V_1(1))}; ExpectValidates(sigs.i_i(), kCode); ExpectFailure(sigs.i_f(), kCode); ExpectFailure(sigs.i_d(), kCode); } TEST_F(FunctionBodyDecoderTest, If_type3) { // stmt ? 0 : 1 static const byte kCode[] = { WASM_IF_ELSE_I(WASM_NOP, WASM_I32V_1(0), WASM_I32V_1(1))}; ExpectFailure(sigs.i_i(), kCode); ExpectFailure(sigs.i_f(), kCode); ExpectFailure(sigs.i_d(), kCode); } TEST_F(FunctionBodyDecoderTest, If_type4) { // 0 ? stmt : 1 static const byte kCode[] = { WASM_IF_ELSE_I(WASM_GET_LOCAL(0), WASM_NOP, WASM_I32V_1(1))}; ExpectFailure(sigs.i_i(), kCode); ExpectFailure(sigs.i_f(), kCode); ExpectFailure(sigs.i_d(), kCode); } TEST_F(FunctionBodyDecoderTest, If_type5) { // 0 ? 1 : stmt static const byte kCode[] = { WASM_IF_ELSE_I(WASM_ZERO, WASM_I32V_1(1), WASM_NOP)}; ExpectFailure(sigs.i_i(), kCode); ExpectFailure(sigs.i_f(), kCode); ExpectFailure(sigs.i_d(), kCode); } TEST_F(FunctionBodyDecoderTest, Int64Local_param) { ExpectValidates(sigs.l_l(), kCodeGetLocal0); } TEST_F(FunctionBodyDecoderTest, Int64Locals) { for (byte i = 1; i < 8; i++) { AddLocals(kWasmI64, 1); for (byte j = 0; j < i; j++) { ExpectValidates(sigs.l_v(), {WASM_GET_LOCAL(j)}); } } } TEST_F(FunctionBodyDecoderTest, Int32Binops) { TestBinop(kExprI32Add, sigs.i_ii()); TestBinop(kExprI32Sub, sigs.i_ii()); TestBinop(kExprI32Mul, sigs.i_ii()); TestBinop(kExprI32DivS, sigs.i_ii()); TestBinop(kExprI32DivU, sigs.i_ii()); TestBinop(kExprI32RemS, sigs.i_ii()); TestBinop(kExprI32RemU, sigs.i_ii()); TestBinop(kExprI32And, sigs.i_ii()); TestBinop(kExprI32Ior, sigs.i_ii()); TestBinop(kExprI32Xor, sigs.i_ii()); TestBinop(kExprI32Shl, sigs.i_ii()); TestBinop(kExprI32ShrU, sigs.i_ii()); TestBinop(kExprI32ShrS, sigs.i_ii()); TestBinop(kExprI32Eq, sigs.i_ii()); TestBinop(kExprI32LtS, sigs.i_ii()); TestBinop(kExprI32LeS, sigs.i_ii()); TestBinop(kExprI32LtU, sigs.i_ii()); TestBinop(kExprI32LeU, sigs.i_ii()); } TEST_F(FunctionBodyDecoderTest, DoubleBinops) { TestBinop(kExprF64Add, sigs.d_dd()); TestBinop(kExprF64Sub, sigs.d_dd()); TestBinop(kExprF64Mul, sigs.d_dd()); TestBinop(kExprF64Div, sigs.d_dd()); TestBinop(kExprF64Eq, sigs.i_dd()); TestBinop(kExprF64Lt, sigs.i_dd()); TestBinop(kExprF64Le, sigs.i_dd()); } TEST_F(FunctionBodyDecoderTest, FloatBinops) { TestBinop(kExprF32Add, sigs.f_ff()); TestBinop(kExprF32Sub, sigs.f_ff()); TestBinop(kExprF32Mul, sigs.f_ff()); TestBinop(kExprF32Div, sigs.f_ff()); TestBinop(kExprF32Eq, sigs.i_ff()); TestBinop(kExprF32Lt, sigs.i_ff()); TestBinop(kExprF32Le, sigs.i_ff()); } TEST_F(FunctionBodyDecoderTest, TypeConversions) { TestUnop(kExprI32SConvertF32, kWasmI32, kWasmF32); TestUnop(kExprI32SConvertF64, kWasmI32, kWasmF64); TestUnop(kExprI32UConvertF32, kWasmI32, kWasmF32); TestUnop(kExprI32UConvertF64, kWasmI32, kWasmF64); TestUnop(kExprF64SConvertI32, kWasmF64, kWasmI32); TestUnop(kExprF64UConvertI32, kWasmF64, kWasmI32); TestUnop(kExprF64ConvertF32, kWasmF64, kWasmF32); TestUnop(kExprF32SConvertI32, kWasmF32, kWasmI32); TestUnop(kExprF32UConvertI32, kWasmF32, kWasmI32); TestUnop(kExprF32ConvertF64, kWasmF32, kWasmF64); } TEST_F(FunctionBodyDecoderTest, MacrosStmt) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); ExpectValidates(sigs.v_i(), {WASM_SET_LOCAL(0, WASM_I32V_3(87348))}); ExpectValidates( sigs.v_i(), {WASM_STORE_MEM(MachineType::Int32(), WASM_I32V_1(24), WASM_I32V_1(40))}); ExpectValidates(sigs.v_i(), {WASM_IF(WASM_GET_LOCAL(0), WASM_NOP)}); ExpectValidates(sigs.v_i(), {WASM_IF_ELSE(WASM_GET_LOCAL(0), WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_NOP}); ExpectValidates(sigs.v_v(), {B1(WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_BR(0))}); } TEST_F(FunctionBodyDecoderTest, MacrosContinue) { ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_CONTINUE(0))}); } TEST_F(FunctionBodyDecoderTest, MacrosVariadic) { ExpectValidates(sigs.v_v(), {B2(WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.v_v(), {B3(WASM_NOP, WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.v_v(), {WASM_LOOP(WASM_NOP, WASM_NOP, WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, MacrosNestedBlocks) { ExpectValidates(sigs.v_v(), {B2(WASM_NOP, B2(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.v_v(), {B3(WASM_NOP, // -- B2(WASM_NOP, WASM_NOP), // -- B2(WASM_NOP, WASM_NOP))}); // -- ExpectValidates(sigs.v_v(), {B1(B1(B2(WASM_NOP, WASM_NOP)))}); } TEST_F(FunctionBodyDecoderTest, MultipleReturn) { static ValueType kIntTypes5[] = {kWasmI32, kWasmI32, kWasmI32, kWasmI32, kWasmI32}; FunctionSig sig_ii_v(2, 0, kIntTypes5); ExpectValidates(&sig_ii_v, {WASM_RETURNN(2, WASM_ZERO, WASM_ONE)}); ExpectFailure(&sig_ii_v, {WASM_RETURNN(1, WASM_ZERO)}); FunctionSig sig_iii_v(3, 0, kIntTypes5); ExpectValidates(&sig_iii_v, {WASM_RETURNN(3, WASM_ZERO, WASM_ONE, WASM_I32V_1(44))}); ExpectFailure(&sig_iii_v, {WASM_RETURNN(2, WASM_ZERO, WASM_ONE)}); } TEST_F(FunctionBodyDecoderTest, MultipleReturn_fallthru) { static ValueType kIntTypes5[] = {kWasmI32, kWasmI32, kWasmI32, kWasmI32, kWasmI32}; FunctionSig sig_ii_v(2, 0, kIntTypes5); ExpectValidates(&sig_ii_v, {WASM_ZERO, WASM_ONE}); ExpectFailure(&sig_ii_v, {WASM_ZERO}); FunctionSig sig_iii_v(3, 0, kIntTypes5); ExpectValidates(&sig_iii_v, {WASM_ZERO, WASM_ONE, WASM_I32V_1(44)}); ExpectFailure(&sig_iii_v, {WASM_ZERO, WASM_ONE}); } TEST_F(FunctionBodyDecoderTest, MacrosInt32) { ExpectValidates(sigs.i_i(), {WASM_I32_ADD(WASM_GET_LOCAL(0), WASM_I32V_1(12))}); ExpectValidates(sigs.i_i(), {WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_I32V_1(13))}); ExpectValidates(sigs.i_i(), {WASM_I32_MUL(WASM_GET_LOCAL(0), WASM_I32V_1(14))}); ExpectValidates(sigs.i_i(), {WASM_I32_DIVS(WASM_GET_LOCAL(0), WASM_I32V_1(15))}); ExpectValidates(sigs.i_i(), {WASM_I32_DIVU(WASM_GET_LOCAL(0), WASM_I32V_1(16))}); ExpectValidates(sigs.i_i(), {WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_I32V_1(17))}); ExpectValidates(sigs.i_i(), {WASM_I32_REMU(WASM_GET_LOCAL(0), WASM_I32V_1(18))}); ExpectValidates(sigs.i_i(), {WASM_I32_AND(WASM_GET_LOCAL(0), WASM_I32V_1(19))}); ExpectValidates(sigs.i_i(), {WASM_I32_IOR(WASM_GET_LOCAL(0), WASM_I32V_1(20))}); ExpectValidates(sigs.i_i(), {WASM_I32_XOR(WASM_GET_LOCAL(0), WASM_I32V_1(21))}); ExpectValidates(sigs.i_i(), {WASM_I32_SHL(WASM_GET_LOCAL(0), WASM_I32V_1(22))}); ExpectValidates(sigs.i_i(), {WASM_I32_SHR(WASM_GET_LOCAL(0), WASM_I32V_1(23))}); ExpectValidates(sigs.i_i(), {WASM_I32_SAR(WASM_GET_LOCAL(0), WASM_I32V_1(24))}); ExpectValidates(sigs.i_i(), {WASM_I32_ROR(WASM_GET_LOCAL(0), WASM_I32V_1(24))}); ExpectValidates(sigs.i_i(), {WASM_I32_ROL(WASM_GET_LOCAL(0), WASM_I32V_1(24))}); ExpectValidates(sigs.i_i(), {WASM_I32_EQ(WASM_GET_LOCAL(0), WASM_I32V_1(25))}); ExpectValidates(sigs.i_i(), {WASM_I32_NE(WASM_GET_LOCAL(0), WASM_I32V_1(25))}); ExpectValidates(sigs.i_i(), {WASM_I32_LTS(WASM_GET_LOCAL(0), WASM_I32V_1(26))}); ExpectValidates(sigs.i_i(), {WASM_I32_LES(WASM_GET_LOCAL(0), WASM_I32V_1(27))}); ExpectValidates(sigs.i_i(), {WASM_I32_LTU(WASM_GET_LOCAL(0), WASM_I32V_1(28))}); ExpectValidates(sigs.i_i(), {WASM_I32_LEU(WASM_GET_LOCAL(0), WASM_I32V_1(29))}); ExpectValidates(sigs.i_i(), {WASM_I32_GTS(WASM_GET_LOCAL(0), WASM_I32V_1(26))}); ExpectValidates(sigs.i_i(), {WASM_I32_GES(WASM_GET_LOCAL(0), WASM_I32V_1(27))}); ExpectValidates(sigs.i_i(), {WASM_I32_GTU(WASM_GET_LOCAL(0), WASM_I32V_1(28))}); ExpectValidates(sigs.i_i(), {WASM_I32_GEU(WASM_GET_LOCAL(0), WASM_I32V_1(29))}); } TEST_F(FunctionBodyDecoderTest, MacrosInt64) { ExpectValidates(sigs.l_ll(), {WASM_I64_ADD(WASM_GET_LOCAL(0), WASM_I64V_1(12))}); ExpectValidates(sigs.l_ll(), {WASM_I64_SUB(WASM_GET_LOCAL(0), WASM_I64V_1(13))}); ExpectValidates(sigs.l_ll(), {WASM_I64_MUL(WASM_GET_LOCAL(0), WASM_I64V_1(14))}); ExpectValidates(sigs.l_ll(), {WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_I64V_1(15))}); ExpectValidates(sigs.l_ll(), {WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_I64V_1(16))}); ExpectValidates(sigs.l_ll(), {WASM_I64_REMS(WASM_GET_LOCAL(0), WASM_I64V_1(17))}); ExpectValidates(sigs.l_ll(), {WASM_I64_REMU(WASM_GET_LOCAL(0), WASM_I64V_1(18))}); ExpectValidates(sigs.l_ll(), {WASM_I64_AND(WASM_GET_LOCAL(0), WASM_I64V_1(19))}); ExpectValidates(sigs.l_ll(), {WASM_I64_IOR(WASM_GET_LOCAL(0), WASM_I64V_1(20))}); ExpectValidates(sigs.l_ll(), {WASM_I64_XOR(WASM_GET_LOCAL(0), WASM_I64V_1(21))}); ExpectValidates(sigs.l_ll(), {WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64V_1(22))}); ExpectValidates(sigs.l_ll(), {WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_I64V_1(23))}); ExpectValidates(sigs.l_ll(), {WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_I64V_1(24))}); ExpectValidates(sigs.l_ll(), {WASM_I64_ROR(WASM_GET_LOCAL(0), WASM_I64V_1(24))}); ExpectValidates(sigs.l_ll(), {WASM_I64_ROL(WASM_GET_LOCAL(0), WASM_I64V_1(24))}); ExpectValidates(sigs.i_ll(), {WASM_I64_LTS(WASM_GET_LOCAL(0), WASM_I64V_1(26))}); ExpectValidates(sigs.i_ll(), {WASM_I64_LES(WASM_GET_LOCAL(0), WASM_I64V_1(27))}); ExpectValidates(sigs.i_ll(), {WASM_I64_LTU(WASM_GET_LOCAL(0), WASM_I64V_1(28))}); ExpectValidates(sigs.i_ll(), {WASM_I64_LEU(WASM_GET_LOCAL(0), WASM_I64V_1(29))}); ExpectValidates(sigs.i_ll(), {WASM_I64_GTS(WASM_GET_LOCAL(0), WASM_I64V_1(26))}); ExpectValidates(sigs.i_ll(), {WASM_I64_GES(WASM_GET_LOCAL(0), WASM_I64V_1(27))}); ExpectValidates(sigs.i_ll(), {WASM_I64_GTU(WASM_GET_LOCAL(0), WASM_I64V_1(28))}); ExpectValidates(sigs.i_ll(), {WASM_I64_GEU(WASM_GET_LOCAL(0), WASM_I64V_1(29))}); ExpectValidates(sigs.i_ll(), {WASM_I64_EQ(WASM_GET_LOCAL(0), WASM_I64V_1(25))}); ExpectValidates(sigs.i_ll(), {WASM_I64_NE(WASM_GET_LOCAL(0), WASM_I64V_1(25))}); } TEST_F(FunctionBodyDecoderTest, AllSimpleExpressions) { WASM_FEATURE_SCOPE(se); WASM_FEATURE_SCOPE(anyref); // Test all simple expressions which are described by a signature. #define DECODE_TEST(name, opcode, sig) \ { \ FunctionSig* sig = WasmOpcodes::Signature(kExpr##name); \ if (sig->parameter_count() == 1) { \ TestUnop(kExpr##name, sig); \ } else { \ TestBinop(kExpr##name, sig); \ } \ } FOREACH_SIMPLE_OPCODE(DECODE_TEST); #undef DECODE_TEST } TEST_F(FunctionBodyDecoderTest, MemorySize) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); byte code[] = {kExprMemorySize, 0}; ExpectValidates(sigs.i_i(), code); ExpectFailure(sigs.f_ff(), code); } TEST_F(FunctionBodyDecoderTest, LoadMemOffset) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (int offset = 0; offset < 128; offset += 7) { byte code[] = {kExprI32Const, 0, kExprI32LoadMem, ZERO_ALIGNMENT, static_cast(offset)}; ExpectValidates(sigs.i_i(), code); } } TEST_F(FunctionBodyDecoderTest, LoadMemAlignment) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); struct { WasmOpcode instruction; uint32_t maximum_aligment; } values[] = { {kExprI32LoadMem8U, 0}, // -- {kExprI32LoadMem8S, 0}, // -- {kExprI32LoadMem16U, 1}, // -- {kExprI32LoadMem16S, 1}, // -- {kExprI64LoadMem8U, 0}, // -- {kExprI64LoadMem8S, 0}, // -- {kExprI64LoadMem16U, 1}, // -- {kExprI64LoadMem16S, 1}, // -- {kExprI64LoadMem32U, 2}, // -- {kExprI64LoadMem32S, 2}, // -- {kExprI32LoadMem, 2}, // -- {kExprI64LoadMem, 3}, // -- {kExprF32LoadMem, 2}, // -- {kExprF64LoadMem, 3}, // -- }; for (size_t i = 0; i < arraysize(values); i++) { for (byte alignment = 0; alignment <= 4; alignment++) { byte code[] = {WASM_ZERO, static_cast(values[i].instruction), alignment, ZERO_OFFSET, WASM_DROP}; Validate(alignment <= values[i].maximum_aligment, sigs.v_i(), code); } } } TEST_F(FunctionBodyDecoderTest, StoreMemOffset) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (byte offset = 0; offset < 128; offset += 7) { byte code[] = {WASM_STORE_MEM_OFFSET(MachineType::Int32(), offset, WASM_ZERO, WASM_ZERO)}; ExpectValidates(sigs.v_i(), code); } } TEST_F(FunctionBodyDecoderTest, StoreMemOffset_void) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); ExpectFailure(sigs.i_i(), {WASM_STORE_MEM_OFFSET(MachineType::Int32(), 0, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, LoadMemOffset_varint) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_1(0x45)}); ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_2(0x3999)}); ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_3(0x344445)}); ExpectValidates(sigs.i_i(), {WASM_ZERO, kExprI32LoadMem, ZERO_ALIGNMENT, U32V_4(0x36666667)}); } TEST_F(FunctionBodyDecoderTest, StoreMemOffset_varint) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT, U32V_1(0x33)}); ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT, U32V_2(0x1111)}); ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT, U32V_3(0x222222)}); ExpectValidates(sigs.v_i(), {WASM_ZERO, WASM_ZERO, kExprI32StoreMem, ZERO_ALIGNMENT, U32V_4(0x44444444)}); } TEST_F(FunctionBodyDecoderTest, AllLoadMemCombinations) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType local_type = kValueTypes[i]; for (size_t j = 0; j < arraysize(machineTypes); j++) { MachineType mem_type = machineTypes[j]; byte code[] = {WASM_LOAD_MEM(mem_type, WASM_ZERO)}; FunctionSig sig(1, 0, &local_type); Validate(local_type == ValueTypes::ValueTypeFor(mem_type), &sig, code); } } } TEST_F(FunctionBodyDecoderTest, AllStoreMemCombinations) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType local_type = kValueTypes[i]; for (size_t j = 0; j < arraysize(machineTypes); j++) { MachineType mem_type = machineTypes[j]; byte code[] = {WASM_STORE_MEM(mem_type, WASM_ZERO, WASM_GET_LOCAL(0))}; FunctionSig sig(0, 1, &local_type); Validate(local_type == ValueTypes::ValueTypeFor(mem_type), &sig, code); } } } TEST_F(FunctionBodyDecoderTest, SimpleCalls) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_v()); builder.AddFunction(sigs.i_i()); builder.AddFunction(sigs.i_ii()); ExpectValidates(sig, {WASM_CALL_FUNCTION0(0)}); ExpectValidates(sig, {WASM_CALL_FUNCTION(1, WASM_I32V_1(27))}); ExpectValidates(sig, {WASM_CALL_FUNCTION(2, WASM_I32V_1(37), WASM_I32V_2(77))}); } TEST_F(FunctionBodyDecoderTest, CallsWithTooFewArguments) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_i()); builder.AddFunction(sigs.i_ii()); builder.AddFunction(sigs.f_ff()); ExpectFailure(sig, {WASM_CALL_FUNCTION0(0)}); ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_ZERO)}); ExpectFailure(sig, {WASM_CALL_FUNCTION(2, WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, CallsWithMismatchedSigs2) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_i()); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I64V_1(17))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F32(17.1))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F64(17.1))}); } TEST_F(FunctionBodyDecoderTest, CallsWithMismatchedSigs3) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_f()); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(0, WASM_F64(37.2))}); builder.AddFunction(sigs.i_d()); ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_I32V_1(16))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_I64V_1(16))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(1, WASM_F32(17.6))}); } TEST_F(FunctionBodyDecoderTest, SimpleReturnCalls) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_v()); builder.AddFunction(sigs.i_i()); builder.AddFunction(sigs.i_ii()); ExpectValidates(sig, {WASM_RETURN_CALL_FUNCTION0(0)}); ExpectValidates(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_I32V_1(27))}); ExpectValidates( sig, {WASM_RETURN_CALL_FUNCTION(2, WASM_I32V_1(37), WASM_I32V_2(77))}); } TEST_F(FunctionBodyDecoderTest, ReturnCallsWithTooFewArguments) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_i()); builder.AddFunction(sigs.i_ii()); builder.AddFunction(sigs.f_ff()); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION0(0)}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_ZERO)}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(2, WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, ReturnCallsWithMismatchedSigs) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(sigs.i_f()); builder.AddFunction(sigs.f_f()); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(0, WASM_F64(37.2))}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_F64(37.2))}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_F32(37.2))}); ExpectFailure(sig, {WASM_RETURN_CALL_FUNCTION(1, WASM_I32V_1(17))}); } TEST_F(FunctionBodyDecoderTest, SimpleIndirectReturnCalls) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.AddTable(kWasmFuncRef, 20, true, 30); module = builder.module(); byte f0 = builder.AddSignature(sigs.i_v()); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT0(f0, WASM_ZERO)}); ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT(f1, WASM_ZERO, WASM_I32V_1(22))}); ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT( f2, WASM_ZERO, WASM_I32V_1(32), WASM_I32V_2(72))}); } TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsOutOfBounds) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.AddTable(kWasmFuncRef, 20, false, 20); module = builder.module(); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT0(0, WASM_ZERO)}); builder.AddSignature(sigs.i_v()); ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT0(0, WASM_ZERO)}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(1, WASM_ZERO, WASM_I32V_1(22))}); builder.AddSignature(sigs.i_i()); ExpectValidates(sig, {WASM_RETURN_CALL_INDIRECT(1, WASM_ZERO, WASM_I32V_1(27))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(2, WASM_ZERO, WASM_I32V_1(27))}); } TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsWithMismatchedSigs3) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeTable(); module = builder.module(); byte f0 = builder.AddFunction(sigs.i_f()); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f0, WASM_ZERO, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f0, WASM_ZERO, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f0, WASM_ZERO, WASM_F64(37.2))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT0(f0, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT0(f0, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT0(f0, WASM_F64(37.2))}); byte f1 = builder.AddFunction(sigs.i_d()); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f1, WASM_ZERO, WASM_I32V_1(16))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f1, WASM_ZERO, WASM_I64V_1(16))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f1, WASM_ZERO, WASM_F32(17.6))}); } TEST_F(FunctionBodyDecoderTest, IndirectReturnCallsWithoutTableCrash) { WASM_FEATURE_SCOPE(return_call); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.i_v()); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT0(f0, WASM_ZERO)}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f1, WASM_ZERO, WASM_I32V_1(22))}); ExpectFailure(sig, {WASM_RETURN_CALL_INDIRECT(f2, WASM_ZERO, WASM_I32V_1(32), WASM_I32V_2(72))}); } TEST_F(FunctionBodyDecoderTest, IncompleteIndirectReturnCall) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeTable(); module = builder.module(); static byte code[] = {kExprReturnCallIndirect}; ExpectFailure(sig, ArrayVector(code), kOmitEnd); } TEST_F(FunctionBodyDecoderTest, MultiReturn) { WASM_FEATURE_SCOPE(mv); ValueType storage[] = {kWasmI32, kWasmI32}; FunctionSig sig_ii_v(2, 0, storage); FunctionSig sig_v_ii(0, 2, storage); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(&sig_v_ii); builder.AddFunction(&sig_ii_v); ExpectValidates(&sig_ii_v, {WASM_CALL_FUNCTION0(1)}); ExpectValidates(sigs.v_v(), {WASM_CALL_FUNCTION0(1), WASM_DROP, WASM_DROP}); ExpectValidates(sigs.v_v(), {WASM_CALL_FUNCTION0(1), kExprCallFunction, 0}); } TEST_F(FunctionBodyDecoderTest, MultiReturnType) { WASM_FEATURE_SCOPE(mv); for (size_t a = 0; a < arraysize(kValueTypes); a++) { for (size_t b = 0; b < arraysize(kValueTypes); b++) { for (size_t c = 0; c < arraysize(kValueTypes); c++) { for (size_t d = 0; d < arraysize(kValueTypes); d++) { ValueType storage_ab[] = {kValueTypes[a], kValueTypes[b]}; FunctionSig sig_ab_v(2, 0, storage_ab); ValueType storage_cd[] = {kValueTypes[c], kValueTypes[d]}; FunctionSig sig_cd_v(2, 0, storage_cd); TestModuleBuilder builder; module = builder.module(); builder.AddFunction(&sig_cd_v); ExpectValidates(&sig_cd_v, {WASM_CALL_FUNCTION0(0)}); if (a == c && b == d) { ExpectValidates(&sig_ab_v, {WASM_CALL_FUNCTION0(0)}); } else { ExpectFailure(&sig_ab_v, {WASM_CALL_FUNCTION0(0)}); } } } } } } TEST_F(FunctionBodyDecoderTest, SimpleIndirectCalls) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.AddTable(kWasmFuncRef, 20, false, 20); module = builder.module(); byte f0 = builder.AddSignature(sigs.i_v()); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates(sig, {WASM_CALL_INDIRECT0(f0, WASM_ZERO)}); ExpectValidates(sig, {WASM_CALL_INDIRECT1(f1, WASM_ZERO, WASM_I32V_1(22))}); ExpectValidates(sig, {WASM_CALL_INDIRECT2(f2, WASM_ZERO, WASM_I32V_1(32), WASM_I32V_2(72))}); } TEST_F(FunctionBodyDecoderTest, IndirectCallsOutOfBounds) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.AddTable(kWasmFuncRef, 20, false, 20); module = builder.module(); ExpectFailure(sig, {WASM_CALL_INDIRECT0(0, WASM_ZERO)}); builder.AddSignature(sigs.i_v()); ExpectValidates(sig, {WASM_CALL_INDIRECT0(0, WASM_ZERO)}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(1, WASM_ZERO, WASM_I32V_1(22))}); builder.AddSignature(sigs.i_i()); ExpectValidates(sig, {WASM_CALL_INDIRECT1(1, WASM_ZERO, WASM_I32V_1(27))}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(2, WASM_ZERO, WASM_I32V_1(27))}); } TEST_F(FunctionBodyDecoderTest, IndirectCallsWithMismatchedSigs3) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeTable(); module = builder.module(); byte f0 = builder.AddFunction(sigs.i_f()); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f0, WASM_ZERO, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f0, WASM_ZERO, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f0, WASM_ZERO, WASM_F64(37.2))}); ExpectFailure(sig, {WASM_CALL_INDIRECT0(f0, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_CALL_INDIRECT0(f0, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_CALL_INDIRECT0(f0, WASM_F64(37.2))}); byte f1 = builder.AddFunction(sigs.i_d()); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f1, WASM_ZERO, WASM_I32V_1(16))}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f1, WASM_ZERO, WASM_I64V_1(16))}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f1, WASM_ZERO, WASM_F32(17.6))}); } TEST_F(FunctionBodyDecoderTest, IndirectCallsWithoutTableCrash) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.i_v()); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectFailure(sig, {WASM_CALL_INDIRECT0(f0, WASM_ZERO)}); ExpectFailure(sig, {WASM_CALL_INDIRECT1(f1, WASM_ZERO, WASM_I32V_1(22))}); ExpectFailure(sig, {WASM_CALL_INDIRECT2(f2, WASM_ZERO, WASM_I32V_1(32), WASM_I32V_2(72))}); } TEST_F(FunctionBodyDecoderTest, IncompleteIndirectCall) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeTable(); module = builder.module(); static byte code[] = {kExprCallIndirect}; ExpectFailure(sig, ArrayVector(code), kOmitEnd); } TEST_F(FunctionBodyDecoderTest, IncompleteStore) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeMemory(); builder.InitializeTable(); module = builder.module(); static byte code[] = {kExprI32StoreMem}; ExpectFailure(sig, ArrayVector(code), kOmitEnd); } TEST_F(FunctionBodyDecoderTest, IncompleteS8x16Shuffle) { WASM_FEATURE_SCOPE(simd); FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; builder.InitializeMemory(); builder.InitializeTable(); module = builder.module(); static byte code[] = {kSimdPrefix, static_cast(kExprS8x16Shuffle & 0xff)}; ExpectFailure(sig, ArrayVector(code), kOmitEnd); } TEST_F(FunctionBodyDecoderTest, SimpleImportCalls) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddImport(sigs.i_v()); byte f1 = builder.AddImport(sigs.i_i()); byte f2 = builder.AddImport(sigs.i_ii()); ExpectValidates(sig, {WASM_CALL_FUNCTION0(f0)}); ExpectValidates(sig, {WASM_CALL_FUNCTION(f1, WASM_I32V_1(22))}); ExpectValidates(sig, {WASM_CALL_FUNCTION(f2, WASM_I32V_1(32), WASM_I32V_2(72))}); } TEST_F(FunctionBodyDecoderTest, ImportCallsWithMismatchedSigs3) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddImport(sigs.i_f()); ExpectFailure(sig, {WASM_CALL_FUNCTION0(f0)}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_I32V_1(17))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_I64V_1(27))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f0, WASM_F64(37.2))}); byte f1 = builder.AddImport(sigs.i_d()); ExpectFailure(sig, {WASM_CALL_FUNCTION0(f1)}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_I32V_1(16))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_I64V_1(16))}); ExpectFailure(sig, {WASM_CALL_FUNCTION(f1, WASM_F32(17.6))}); } TEST_F(FunctionBodyDecoderTest, Int32Globals) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(kWasmI32); ExpectValidates(sig, {WASM_GET_GLOBAL(0)}); ExpectFailure(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0))}); ExpectValidates(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, ImmutableGlobal) { FunctionSig* sig = sigs.v_v(); TestModuleBuilder builder; module = builder.module(); uint32_t g0 = builder.AddGlobal(kWasmI32, true); uint32_t g1 = builder.AddGlobal(kWasmI32, false); ExpectValidates(sig, {WASM_SET_GLOBAL(g0, WASM_ZERO)}); ExpectFailure(sig, {WASM_SET_GLOBAL(g1, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Int32Globals_fail) { FunctionSig* sig = sigs.i_i(); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(kWasmI64); builder.AddGlobal(kWasmI64); builder.AddGlobal(kWasmF32); builder.AddGlobal(kWasmF64); ExpectFailure(sig, {WASM_GET_GLOBAL(0)}); ExpectFailure(sig, {WASM_GET_GLOBAL(1)}); ExpectFailure(sig, {WASM_GET_GLOBAL(2)}); ExpectFailure(sig, {WASM_GET_GLOBAL(3)}); ExpectFailure(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_ZERO}); ExpectFailure(sig, {WASM_SET_GLOBAL(1, WASM_GET_LOCAL(0)), WASM_ZERO}); ExpectFailure(sig, {WASM_SET_GLOBAL(2, WASM_GET_LOCAL(0)), WASM_ZERO}); ExpectFailure(sig, {WASM_SET_GLOBAL(3, WASM_GET_LOCAL(0)), WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, Int64Globals) { FunctionSig* sig = sigs.l_l(); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(kWasmI64); builder.AddGlobal(kWasmI64); ExpectValidates(sig, {WASM_GET_GLOBAL(0)}); ExpectValidates(sig, {WASM_GET_GLOBAL(1)}); ExpectValidates(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_GET_LOCAL(0)}); ExpectValidates(sig, {WASM_SET_GLOBAL(1, WASM_GET_LOCAL(0)), WASM_GET_LOCAL(0)}); } TEST_F(FunctionBodyDecoderTest, Float32Globals) { FunctionSig* sig = sigs.f_ff(); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(kWasmF32); ExpectValidates(sig, {WASM_GET_GLOBAL(0)}); ExpectValidates(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_GET_LOCAL(0)}); } TEST_F(FunctionBodyDecoderTest, Float64Globals) { FunctionSig* sig = sigs.d_dd(); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(kWasmF64); ExpectValidates(sig, {WASM_GET_GLOBAL(0)}); ExpectValidates(sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0)), WASM_GET_LOCAL(0)}); } TEST_F(FunctionBodyDecoderTest, AllGetGlobalCombinations) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType local_type = kValueTypes[i]; for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType global_type = kValueTypes[j]; FunctionSig sig(1, 0, &local_type); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(global_type); Validate(local_type == global_type, &sig, {WASM_GET_GLOBAL(0)}); } } } TEST_F(FunctionBodyDecoderTest, AllSetGlobalCombinations) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType local_type = kValueTypes[i]; for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType global_type = kValueTypes[j]; FunctionSig sig(0, 1, &local_type); TestModuleBuilder builder; module = builder.module(); builder.AddGlobal(global_type); Validate(local_type == global_type, &sig, {WASM_SET_GLOBAL(0, WASM_GET_LOCAL(0))}); } } } TEST_F(FunctionBodyDecoderTest, TableSet) { WASM_FEATURE_SCOPE(anyref); TestModuleBuilder builder; module = builder.module(); byte tab_ref1 = builder.AddTable(kWasmAnyRef, 10, true, 20); byte tab_func1 = builder.AddTable(kWasmFuncRef, 20, true, 30); byte tab_func2 = builder.AddTable(kWasmFuncRef, 10, false, 20); byte tab_ref2 = builder.AddTable(kWasmAnyRef, 10, false, 20); ValueType sig_types[]{kWasmAnyRef, kWasmFuncRef, kWasmI32}; FunctionSig sig(0, 3, sig_types); byte local_ref = 0; byte local_func = 1; byte local_int = 2; ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(6), WASM_GET_LOCAL(local_ref))}); ExpectValidates(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(5), WASM_GET_LOCAL(local_func))}); ExpectValidates(&sig, {WASM_TABLE_SET(tab_func2, WASM_I32V(7), WASM_GET_LOCAL(local_func))}); ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref2, WASM_I32V(8), WASM_GET_LOCAL(local_ref))}); // We can store funcref values as anyref, but not the other way around. ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(4), WASM_GET_LOCAL(local_func))}); ExpectFailure(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(9), WASM_GET_LOCAL(local_ref))}); ExpectFailure(&sig, {WASM_TABLE_SET(tab_func2, WASM_I32V(3), WASM_GET_LOCAL(local_ref))}); ExpectValidates(&sig, {WASM_TABLE_SET(tab_ref2, WASM_I32V(2), WASM_GET_LOCAL(local_func))}); ExpectFailure(&sig, {WASM_TABLE_SET(tab_ref1, WASM_I32V(9), WASM_GET_LOCAL(local_int))}); ExpectFailure(&sig, {WASM_TABLE_SET(tab_func1, WASM_I32V(3), WASM_GET_LOCAL(local_int))}); // Out-of-bounds table index should fail. byte oob_tab = 37; ExpectFailure( &sig, {WASM_TABLE_SET(oob_tab, WASM_I32V(9), WASM_GET_LOCAL(local_ref))}); ExpectFailure(&sig, {WASM_TABLE_SET(oob_tab, WASM_I32V(3), WASM_GET_LOCAL(local_func))}); } TEST_F(FunctionBodyDecoderTest, TableGet) { WASM_FEATURE_SCOPE(anyref); TestModuleBuilder builder; module = builder.module(); byte tab_ref1 = builder.AddTable(kWasmAnyRef, 10, true, 20); byte tab_func1 = builder.AddTable(kWasmFuncRef, 20, true, 30); byte tab_func2 = builder.AddTable(kWasmFuncRef, 10, false, 20); byte tab_ref2 = builder.AddTable(kWasmAnyRef, 10, false, 20); ValueType sig_types[]{kWasmAnyRef, kWasmFuncRef, kWasmI32}; FunctionSig sig(0, 3, sig_types); byte local_ref = 0; byte local_func = 1; byte local_int = 2; ExpectValidates( &sig, {WASM_SET_LOCAL(local_ref, WASM_TABLE_GET(tab_ref1, WASM_I32V(6)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_ref, WASM_TABLE_GET(tab_ref2, WASM_I32V(8)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_func, WASM_TABLE_GET(tab_func1, WASM_I32V(5)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_func, WASM_TABLE_GET(tab_func2, WASM_I32V(7)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_ref, WASM_SEQ(WASM_I32V(6), kExprTableGet, U32V_2(tab_ref1)))}); // We can store funcref values as anyref, but not the other way around. ExpectFailure(&sig, {WASM_SET_LOCAL(local_func, WASM_TABLE_GET(tab_ref1, WASM_I32V(4)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_ref, WASM_TABLE_GET(tab_func1, WASM_I32V(9)))}); ExpectValidates( &sig, {WASM_SET_LOCAL(local_ref, WASM_TABLE_GET(tab_func2, WASM_I32V(3)))}); ExpectFailure(&sig, {WASM_SET_LOCAL(local_func, WASM_TABLE_GET(tab_ref2, WASM_I32V(2)))}); ExpectFailure(&sig, {WASM_SET_LOCAL(local_int, WASM_TABLE_GET(tab_ref1, WASM_I32V(9)))}); ExpectFailure(&sig, {WASM_SET_LOCAL( local_int, WASM_TABLE_GET(tab_func1, WASM_I32V(3)))}); // Out-of-bounds table index should fail. byte oob_tab = 37; ExpectFailure( &sig, {WASM_SET_LOCAL(local_ref, WASM_TABLE_GET(oob_tab, WASM_I32V(9)))}); ExpectFailure(&sig, {WASM_SET_LOCAL(local_func, WASM_TABLE_GET(oob_tab, WASM_I32V(3)))}); } TEST_F(FunctionBodyDecoderTest, MultiTableCallIndirect) { WASM_FEATURE_SCOPE(anyref); TestModuleBuilder builder; module = builder.module(); byte tab_ref = builder.AddTable(kWasmAnyRef, 10, true, 20); byte tab_func = builder.AddTable(kWasmFuncRef, 20, true, 30); ValueType sig_types[]{kWasmAnyRef, kWasmFuncRef, kWasmI32}; FunctionSig sig(0, 3, sig_types); byte sig_index = builder.AddSignature(sigs.i_v()); // We can store funcref values as anyref, but not the other way around. ExpectValidates(sigs.i_v(), {kExprI32Const, 0, kExprCallIndirect, sig_index, tab_func}); ExpectFailure(sigs.i_v(), {kExprI32Const, 0, kExprCallIndirect, sig_index, tab_ref}); } TEST_F(FunctionBodyDecoderTest, WasmMemoryGrow) { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); byte code[] = {WASM_GET_LOCAL(0), kExprMemoryGrow, 0}; ExpectValidates(sigs.i_i(), code); ExpectFailure(sigs.i_d(), code); } TEST_F(FunctionBodyDecoderTest, AsmJsMemoryGrow) { TestModuleBuilder builder(kAsmJsSloppyOrigin); module = builder.module(); builder.InitializeMemory(); byte code[] = {WASM_GET_LOCAL(0), kExprMemoryGrow, 0}; ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, AsmJsBinOpsCheckOrigin) { ValueType float32int32float32[] = {kWasmF32, kWasmI32, kWasmF32}; FunctionSig sig_f_if(1, 2, float32int32float32); ValueType float64int32float64[] = {kWasmF64, kWasmI32, kWasmF64}; FunctionSig sig_d_id(1, 2, float64int32float64); struct { WasmOpcode op; FunctionSig* sig; } AsmJsBinOps[] = { {kExprF64Atan2, sigs.d_dd()}, {kExprF64Pow, sigs.d_dd()}, {kExprF64Mod, sigs.d_dd()}, {kExprI32AsmjsDivS, sigs.i_ii()}, {kExprI32AsmjsDivU, sigs.i_ii()}, {kExprI32AsmjsRemS, sigs.i_ii()}, {kExprI32AsmjsRemU, sigs.i_ii()}, {kExprI32AsmjsStoreMem8, sigs.i_ii()}, {kExprI32AsmjsStoreMem16, sigs.i_ii()}, {kExprI32AsmjsStoreMem, sigs.i_ii()}, {kExprF32AsmjsStoreMem, &sig_f_if}, {kExprF64AsmjsStoreMem, &sig_d_id}, }; { TestModuleBuilder builder(kAsmJsSloppyOrigin); module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(AsmJsBinOps); i++) { TestBinop(AsmJsBinOps[i].op, AsmJsBinOps[i].sig); } } { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(AsmJsBinOps); i++) { ExpectFailure(AsmJsBinOps[i].sig, {WASM_BINOP(AsmJsBinOps[i].op, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))}); } } } TEST_F(FunctionBodyDecoderTest, AsmJsUnOpsCheckOrigin) { ValueType float32int32[] = {kWasmF32, kWasmI32}; FunctionSig sig_f_i(1, 1, float32int32); ValueType float64int32[] = {kWasmF64, kWasmI32}; FunctionSig sig_d_i(1, 1, float64int32); struct { WasmOpcode op; FunctionSig* sig; } AsmJsUnOps[] = {{kExprF64Acos, sigs.d_d()}, {kExprF64Asin, sigs.d_d()}, {kExprF64Atan, sigs.d_d()}, {kExprF64Cos, sigs.d_d()}, {kExprF64Sin, sigs.d_d()}, {kExprF64Tan, sigs.d_d()}, {kExprF64Exp, sigs.d_d()}, {kExprF64Log, sigs.d_d()}, {kExprI32AsmjsLoadMem8S, sigs.i_i()}, {kExprI32AsmjsLoadMem8U, sigs.i_i()}, {kExprI32AsmjsLoadMem16S, sigs.i_i()}, {kExprI32AsmjsLoadMem16U, sigs.i_i()}, {kExprI32AsmjsLoadMem, sigs.i_i()}, {kExprF32AsmjsLoadMem, &sig_f_i}, {kExprF64AsmjsLoadMem, &sig_d_i}, {kExprI32AsmjsSConvertF32, sigs.i_f()}, {kExprI32AsmjsUConvertF32, sigs.i_f()}, {kExprI32AsmjsSConvertF64, sigs.i_d()}, {kExprI32AsmjsUConvertF64, sigs.i_d()}}; { TestModuleBuilder builder(kAsmJsSloppyOrigin); module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(AsmJsUnOps); i++) { TestUnop(AsmJsUnOps[i].op, AsmJsUnOps[i].sig); } } { TestModuleBuilder builder; module = builder.module(); builder.InitializeMemory(); for (size_t i = 0; i < arraysize(AsmJsUnOps); i++) { ExpectFailure(AsmJsUnOps[i].sig, {WASM_UNOP(AsmJsUnOps[i].op, WASM_GET_LOCAL(0))}); } } } TEST_F(FunctionBodyDecoderTest, BreakEnd) { ExpectValidates( sigs.i_i(), {WASM_BLOCK_I(WASM_I32_ADD(WASM_BRV(0, WASM_ZERO), WASM_ZERO))}); ExpectValidates( sigs.i_i(), {WASM_BLOCK_I(WASM_I32_ADD(WASM_ZERO, WASM_BRV(0, WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, BreakIfBinop) { ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_I32_ADD( WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO), WASM_ZERO))}); ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_I32_ADD( WASM_ZERO, WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO)))}); ExpectValidates( sigs.f_ff(), {WASM_BLOCK_F(WASM_F32_ABS(WASM_BRV_IF(0, WASM_F32(0.0f), WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, BreakIfBinop_fail) { ExpectFailure( sigs.f_ff(), {WASM_BLOCK_F(WASM_F32_ABS(WASM_BRV_IF(0, WASM_ZERO, WASM_ZERO)))}); ExpectFailure( sigs.i_i(), {WASM_BLOCK_I(WASM_F32_ABS(WASM_BRV_IF(0, WASM_F32(0.0f), WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, BreakIfUnrNarrow) { ExpectFailure( sigs.f_ff(), {WASM_BLOCK_I(WASM_BRV_IF(0, WASM_UNREACHABLE, WASM_UNREACHABLE), WASM_RETURN0), WASM_F32(0.0)}); } TEST_F(FunctionBodyDecoderTest, BreakNesting1) { for (int i = 0; i < 5; i++) { // (block[2] (loop[2] (if (get p) break[N]) (set p 1)) p) byte code[] = {WASM_BLOCK_I( WASM_LOOP(WASM_IF(WASM_GET_LOCAL(0), WASM_BRV(i + 1, WASM_ZERO)), WASM_SET_LOCAL(0, WASM_I32V_1(1))), WASM_ZERO)}; Validate(i < 3, sigs.i_i(), code); } } TEST_F(FunctionBodyDecoderTest, BreakNesting2) { for (int i = 0; i < 7; i++) { byte code[] = {B1(WASM_LOOP(WASM_IF(WASM_ZERO, WASM_BR(i)), WASM_NOP))}; Validate(i <= 3, sigs.v_v(), code); } } TEST_F(FunctionBodyDecoderTest, BreakNesting3) { for (int i = 0; i < 7; i++) { // (block[1] (loop[1] (block[1] (if 0 break[N]) byte code[] = { WASM_BLOCK(WASM_LOOP(B1(WASM_IF(WASM_ZERO, WASM_BR(i + 1)))))}; Validate(i < 4, sigs.v_v(), code); } } TEST_F(FunctionBodyDecoderTest, BreaksWithMultipleTypes) { ExpectFailure(sigs.i_i(), {B2(WASM_BRV_IF_ZERO(0, WASM_I32V_1(7)), WASM_F32(7.7))}); ExpectFailure(sigs.i_i(), {B2(WASM_BRV_IF_ZERO(0, WASM_I32V_1(7)), WASM_BRV_IF_ZERO(0, WASM_F32(7.7)))}); ExpectFailure(sigs.i_i(), {B3(WASM_BRV_IF_ZERO(0, WASM_I32V_1(8)), WASM_BRV_IF_ZERO(0, WASM_I32V_1(0)), WASM_BRV_IF_ZERO(0, WASM_F32(7.7)))}); ExpectFailure(sigs.i_i(), {B3(WASM_BRV_IF_ZERO(0, WASM_I32V_1(9)), WASM_BRV_IF_ZERO(0, WASM_F32(7.7)), WASM_BRV_IF_ZERO(0, WASM_I32V_1(11)))}); } TEST_F(FunctionBodyDecoderTest, BreakNesting_6_levels) { for (int mask = 0; mask < 64; mask++) { for (int i = 0; i < 14; i++) { byte code[] = {WASM_BLOCK(WASM_BLOCK( WASM_BLOCK(WASM_BLOCK(WASM_BLOCK(WASM_BLOCK(WASM_BR(i)))))))}; int depth = 6; int m = mask; for (size_t pos = 0; pos < sizeof(code) - 1; pos++) { if (code[pos] != kExprBlock) continue; if (m & 1) { code[pos] = kExprLoop; code[pos + 1] = kLocalVoid; } m >>= 1; } Validate(i <= depth, sigs.v_v(), code); } } } TEST_F(FunctionBodyDecoderTest, Break_TypeCheck) { FunctionSig* sigarray[] = {sigs.i_i(), sigs.l_l(), sigs.f_ff(), sigs.d_dd()}; for (size_t i = 0; i < arraysize(sigarray); i++) { FunctionSig* sig = sigarray[i]; // unify X and X => OK byte code[] = {WASM_BLOCK_T( sig->GetReturn(), WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_GET_LOCAL(0))), WASM_GET_LOCAL(0))}; ExpectValidates(sig, code); } // unify i32 and f32 => fail ExpectFailure(sigs.i_i(), {WASM_BLOCK_I(WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_ZERO)), WASM_F32(1.2))}); // unify f64 and f64 => OK ExpectValidates( sigs.d_dd(), {WASM_BLOCK_D(WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_GET_LOCAL(0))), WASM_F64(1.2))}); } TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll1) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; FunctionSig sig(1, 2, storage); byte code[] = {WASM_BLOCK_T( sig.GetReturn(), WASM_IF(WASM_ZERO, WASM_BRV(0, WASM_GET_LOCAL(0))), WASM_GET_LOCAL(1))}; Validate(i == j, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll2) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; FunctionSig sig(1, 2, storage); byte code[] = {WASM_IF_ELSE_T(sig.GetReturn(0), WASM_ZERO, WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)), WASM_GET_LOCAL(1))}; Validate(i == j, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, Break_TypeCheckAll3) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType storage[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; FunctionSig sig(1, 2, storage); byte code[] = {WASM_IF_ELSE_T(sig.GetReturn(), WASM_ZERO, WASM_GET_LOCAL(1), WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}; Validate(i == j, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, Break_Unify) { for (int which = 0; which < 2; which++) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType type = kValueTypes[i]; ValueType storage[] = {kWasmI32, kWasmI32, type}; FunctionSig sig(1, 2, storage); byte code1[] = {WASM_BLOCK_T( type, WASM_IF(WASM_ZERO, WASM_BRV(1, WASM_GET_LOCAL(which))), WASM_GET_LOCAL(which ^ 1))}; Validate(type == kWasmI32, &sig, code1); } } } TEST_F(FunctionBodyDecoderTest, BreakIf_cond_type) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType types[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j]}; FunctionSig sig(1, 2, types); byte code[] = {WASM_BLOCK_T( types[0], WASM_BRV_IF(0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)))}; Validate(types[2] == kWasmI32, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, BreakIf_val_type) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { for (size_t j = 0; j < arraysize(kValueTypes); j++) { ValueType types[] = {kValueTypes[i], kValueTypes[i], kValueTypes[j], kWasmI32}; FunctionSig sig(1, 3, types); byte code[] = {WASM_BLOCK_T( types[1], WASM_BRV_IF(0, WASM_GET_LOCAL(1), WASM_GET_LOCAL(2)), WASM_DROP, WASM_GET_LOCAL(0))}; Validate(i == j, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, BreakIf_Unify) { for (int which = 0; which < 2; which++) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType type = kValueTypes[i]; ValueType storage[] = {kWasmI32, kWasmI32, type}; FunctionSig sig(1, 2, storage); byte code[] = {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(which)), WASM_DROP, WASM_GET_LOCAL(which ^ 1))}; Validate(type == kWasmI32, &sig, code); } } } TEST_F(FunctionBodyDecoderTest, BrTable0) { ExpectFailure(sigs.v_v(), {kExprBrTable, 0, BR_TARGET(0)}); } TEST_F(FunctionBodyDecoderTest, BrTable0b) { static byte code[] = {kExprI32Const, 11, kExprBrTable, 0, BR_TARGET(0)}; ExpectValidates(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, BrTable0c) { static byte code[] = {kExprI32Const, 11, kExprBrTable, 0, BR_TARGET(1)}; ExpectFailure(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); } TEST_F(FunctionBodyDecoderTest, BrTable1a) { ExpectValidates(sigs.v_v(), {B1(WASM_BR_TABLE(WASM_I32V_2(67), 0, BR_TARGET(0)))}); } TEST_F(FunctionBodyDecoderTest, BrTable1b) { static byte code[] = {B1(WASM_BR_TABLE(WASM_ZERO, 0, BR_TARGET(0)))}; ExpectValidates(sigs.v_v(), code); ExpectFailure(sigs.i_i(), code); ExpectFailure(sigs.f_ff(), code); ExpectFailure(sigs.d_dd(), code); } TEST_F(FunctionBodyDecoderTest, BrTable2a) { ExpectValidates( sigs.v_v(), {B1(WASM_BR_TABLE(WASM_I32V_2(67), 1, BR_TARGET(0), BR_TARGET(0)))}); } TEST_F(FunctionBodyDecoderTest, BrTable2b) { ExpectValidates(sigs.v_v(), {WASM_BLOCK(WASM_BLOCK(WASM_BR_TABLE( WASM_I32V_2(67), 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_off_end) { static byte code[] = {B1(WASM_BR_TABLE(WASM_GET_LOCAL(0), 0, BR_TARGET(0)))}; for (size_t len = 1; len < sizeof(code); len++) { ExpectFailure(sigs.i_i(), VectorOf(code, len), kAppendEnd); ExpectFailure(sigs.i_i(), VectorOf(code, len), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, BrTable_invalid_br1) { for (int depth = 0; depth < 4; depth++) { byte code[] = {B1(WASM_BR_TABLE(WASM_GET_LOCAL(0), 0, BR_TARGET(depth)))}; Validate(depth <= 1, sigs.v_i(), code); } } TEST_F(FunctionBodyDecoderTest, BrTable_invalid_br2) { for (int depth = 0; depth < 7; depth++) { byte code[] = { WASM_LOOP(WASM_BR_TABLE(WASM_GET_LOCAL(0), 0, BR_TARGET(depth)))}; Validate(depth < 2, sigs.v_i(), code); } } TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch1) { ExpectFailure( sigs.v_v(), {WASM_BLOCK(WASM_BLOCK_I( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch2) { ExpectFailure( sigs.v_v(), {WASM_BLOCK_I(WASM_BLOCK( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch_loop1) { ExpectFailure( sigs.v_v(), {WASM_LOOP(WASM_BLOCK_I( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_arity_mismatch_loop2) { ExpectFailure( sigs.v_v(), {WASM_BLOCK_I(WASM_LOOP( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_loop_block) { ExpectValidates( sigs.v_v(), {WASM_LOOP(WASM_BLOCK( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_block_loop) { ExpectValidates( sigs.v_v(), {WASM_LOOP(WASM_BLOCK( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch1) { ExpectFailure( sigs.v_v(), {WASM_BLOCK_I(WASM_BLOCK_F( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch2) { ExpectFailure( sigs.v_v(), {WASM_BLOCK_F(WASM_BLOCK_I( WASM_ONE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrTable_type_mismatch_unreachable) { ExpectFailure(sigs.v_v(), {WASM_BLOCK_F(WASM_BLOCK_I( WASM_UNREACHABLE, WASM_BR_TABLE(WASM_ONE, 1, BR_TARGET(0), BR_TARGET(1))))}); } TEST_F(FunctionBodyDecoderTest, BrUnreachable1) { ExpectValidates(sigs.v_i(), {WASM_GET_LOCAL(0), kExprBrTable, 0, BR_TARGET(0)}); } TEST_F(FunctionBodyDecoderTest, BrUnreachable2) { ExpectValidates(sigs.v_i(), {WASM_GET_LOCAL(0), kExprBrTable, 0, BR_TARGET(0), WASM_NOP}); ExpectFailure(sigs.v_i(), {WASM_GET_LOCAL(0), kExprBrTable, 0, BR_TARGET(0), WASM_ZERO}); } TEST_F(FunctionBodyDecoderTest, Brv1) { ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_BRV(0, WASM_ZERO))}); ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_LOOP_I(WASM_BRV(2, WASM_ZERO)))}); } TEST_F(FunctionBodyDecoderTest, Brv1_type) { ExpectValidates(sigs.i_ii(), {WASM_BLOCK_I(WASM_BRV(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.l_ll(), {WASM_BLOCK_L(WASM_BRV(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.f_ff(), {WASM_BLOCK_F(WASM_BRV(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.d_dd(), {WASM_BLOCK_D(WASM_BRV(0, WASM_GET_LOCAL(0)))}); } TEST_F(FunctionBodyDecoderTest, Brv1_type_n) { ExpectFailure(sigs.i_f(), {WASM_BLOCK_I(WASM_BRV(0, WASM_GET_LOCAL(0)))}); ExpectFailure(sigs.i_d(), {WASM_BLOCK_I(WASM_BRV(0, WASM_GET_LOCAL(0)))}); } TEST_F(FunctionBodyDecoderTest, BrvIf1) { ExpectValidates(sigs.i_v(), {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_ZERO))}); } TEST_F(FunctionBodyDecoderTest, BrvIf1_type) { ExpectValidates(sigs.i_i(), {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.l_l(), {WASM_BLOCK_L(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.f_ff(), {WASM_BLOCK_F(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); ExpectValidates(sigs.d_dd(), {WASM_BLOCK_D(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); } TEST_F(FunctionBodyDecoderTest, BrvIf1_type_n) { ExpectFailure(sigs.i_f(), {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); ExpectFailure(sigs.i_d(), {WASM_BLOCK_I(WASM_BRV_IF_ZERO(0, WASM_GET_LOCAL(0)))}); } TEST_F(FunctionBodyDecoderTest, Select) { ExpectValidates(sigs.i_i(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_ZERO)}); ExpectValidates(sigs.f_ff(), {WASM_SELECT(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); ExpectValidates(sigs.d_dd(), {WASM_SELECT(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); ExpectValidates(sigs.l_l(), {WASM_SELECT(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Select_needs_value_type) { WASM_FEATURE_SCOPE(anyref); ExpectFailure(sigs.r_r(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_ZERO)}); ExpectFailure(sigs.a_a(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Select_fail1) { ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(0.0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_F32(0.0), WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_F32(0.0))}); } TEST_F(FunctionBodyDecoderTest, Select_fail2) { for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType type = kValueTypes[i]; if (type == kWasmI32) continue; // Select without specified type is only allowed for number types. if (type == kWasmAnyRef) continue; ValueType types[] = {type, kWasmI32, type}; FunctionSig sig(1, 2, types); ExpectValidates(&sig, {WASM_SELECT(WASM_GET_LOCAL(1), WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))}); ExpectFailure(&sig, {WASM_SELECT(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0))}); ExpectFailure(&sig, {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))}); ExpectFailure(&sig, {WASM_SELECT(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))}); } } TEST_F(FunctionBodyDecoderTest, Select_TypeCheck) { ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(9.9), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_GET_LOCAL(0), WASM_F64(0.25), WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_i(), {WASM_SELECT(WASM_F32(9.9), WASM_GET_LOCAL(0), WASM_I64V_1(0))}); } TEST_F(FunctionBodyDecoderTest, SelectWithType) { WASM_FEATURE_SCOPE(anyref); ExpectValidates(sigs.i_i(), {WASM_SELECT_I(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_ZERO)}); ExpectValidates(sigs.f_ff(), {WASM_SELECT_F(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); ExpectValidates(sigs.d_dd(), {WASM_SELECT_D(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); ExpectValidates(sigs.l_l(), {WASM_SELECT_L(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); ExpectValidates(sigs.r_r(), {WASM_SELECT_R(WASM_REF_NULL, WASM_REF_NULL, WASM_ZERO)}); ExpectValidates(sigs.a_a(), {WASM_SELECT_A(WASM_REF_NULL, WASM_REF_NULL, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, SelectWithType_fail) { WASM_FEATURE_SCOPE(anyref); ExpectFailure(sigs.i_i(), {WASM_SELECT_F(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_ZERO)}); ExpectFailure(sigs.f_ff(), {WASM_SELECT_D(WASM_F32(0.0), WASM_F32(0.0), WASM_ZERO)}); ExpectFailure(sigs.d_dd(), {WASM_SELECT_L(WASM_F64(0.0), WASM_F64(0.0), WASM_ZERO)}); ExpectFailure(sigs.l_l(), {WASM_SELECT_I(WASM_I64V_1(0), WASM_I64V_1(0), WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, Throw) { WASM_FEATURE_SCOPE(eh); TestModuleBuilder builder; module = builder.module(); byte ex1 = builder.AddException(sigs.v_v()); byte ex2 = builder.AddException(sigs.v_i()); byte ex3 = builder.AddException(sigs.v_ii()); ExpectValidates(sigs.v_v(), {kExprThrow, ex1}); ExpectValidates(sigs.v_v(), {WASM_I32V(0), kExprThrow, ex2}); ExpectFailure(sigs.v_v(), {WASM_F32(0.0), kExprThrow, ex2}); ExpectValidates(sigs.v_v(), {WASM_I32V(0), WASM_I32V(0), kExprThrow, ex3}); ExpectFailure(sigs.v_v(), {WASM_F32(0.0), WASM_I32V(0), kExprThrow, ex3}); ExpectFailure(sigs.v_v(), {kExprThrow, 99}); } TEST_F(FunctionBodyDecoderTest, ThrowUnreachable) { WASM_FEATURE_SCOPE(eh); TestModuleBuilder builder; module = builder.module(); byte ex1 = builder.AddException(sigs.v_v()); byte ex2 = builder.AddException(sigs.v_i()); ExpectValidates(sigs.i_i(), {WASM_GET_LOCAL(0), kExprThrow, ex1, WASM_NOP}); ExpectValidates(sigs.v_i(), {WASM_GET_LOCAL(0), kExprThrow, ex2, WASM_NOP}); ExpectValidates(sigs.i_i(), {WASM_GET_LOCAL(0), kExprThrow, ex1, WASM_ZERO}); ExpectFailure(sigs.v_i(), {WASM_GET_LOCAL(0), kExprThrow, ex2, WASM_ZERO}); ExpectFailure(sigs.i_i(), {WASM_GET_LOCAL(0), kExprThrow, ex1, WASM_F32(0.0)}); ExpectFailure(sigs.v_i(), {WASM_GET_LOCAL(0), kExprThrow, ex2, WASM_F32(0.0)}); } #define WASM_TRY_OP kExprTry, kLocalVoid #define WASM_BR_ON_EXN(depth, index) \ kExprBrOnExn, static_cast(depth), static_cast(index) TEST_F(FunctionBodyDecoderTest, TryCatch) { WASM_FEATURE_SCOPE(eh); TestModuleBuilder builder; module = builder.module(); ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, kExprDrop, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprCatch, kExprCatch, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprEnd}); // Missing catch. ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprCatch}); // Missing end. ExpectFailure(sigs.v_v(), {kExprCatch, kExprEnd}); // Missing try. } TEST_F(FunctionBodyDecoderTest, Rethrow) { WASM_FEATURE_SCOPE(eh); TestModuleBuilder builder; module = builder.module(); ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, kExprRethrow, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprRethrow, kExprCatch, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_BLOCK(kExprRethrow)}); ExpectFailure(sigs.v_v(), {kExprRethrow}); } TEST_F(FunctionBodyDecoderTest, BrOnExn) { WASM_FEATURE_SCOPE(eh); TestModuleBuilder builder; module = builder.module(); byte ex1 = builder.AddException(sigs.v_v()); byte ex2 = builder.AddException(sigs.v_i()); ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(0, ex1), kExprDrop, kExprEnd}); ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(1, ex1), kExprDrop, kExprEnd}); ExpectValidates(sigs.v_v(), {WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(0, ex1), WASM_BR_ON_EXN(0, ex1), kExprDrop, kExprEnd}); ExpectValidates(sigs.v_v(), {WASM_BLOCK(WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(1, ex1), kExprDrop, kExprEnd)}); ExpectValidates(sigs.i_v(), {WASM_BLOCK_I(WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(1, ex2), kExprDrop, kExprEnd, kExprI32Const, 0)}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(2, ex1), kExprDrop, kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprCatch, kExprDrop, WASM_BR_ON_EXN(0, ex1), kExprEnd}); ExpectFailure(sigs.v_v(), {WASM_TRY_OP, kExprCatch, WASM_BR_ON_EXN(0, ex1), kExprEnd}); } #undef WASM_BR_ON_EXN #undef WASM_TRY_OP TEST_F(FunctionBodyDecoderTest, MultiValBlock1) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.ii_v()); ExpectValidates( sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_NOP), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0)), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_GET_LOCAL(0)), kExprI32Add}); ExpectFailure( sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), kExprF32Add}); } TEST_F(FunctionBodyDecoderTest, MultiValBlock2) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.ii_v()); ExpectValidates(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_NOP), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0)), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_GET_LOCAL(0)), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_F32_ADD(WASM_NOP, WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, MultiValBlockBr) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.ii_v()); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_BR(0)), kExprI32Add}); ExpectValidates(sigs.i_ii(), {WASM_BLOCK_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_BR(0)), kExprI32Add}); } TEST_F(FunctionBodyDecoderTest, MultiValLoop1) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.ii_v()); ExpectValidates( sigs.i_ii(), {WASM_LOOP_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(f0, WASM_NOP), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(f0, WASM_GET_LOCAL(0)), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_GET_LOCAL(0)), kExprI32Add}); ExpectFailure( sigs.i_ii(), {WASM_LOOP_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), kExprF32Add}); } TEST_F(FunctionBodyDecoderTest, MultiValIf) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f0 = builder.AddSignature(sigs.ii_v()); ExpectValidates( sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))), kExprI32Add}); ExpectFailure( sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_NOP, WASM_NOP), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_NOP, WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))), kExprI32Add}); ExpectFailure( sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_NOP), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_GET_LOCAL(1)), kExprI32Add}); ExpectFailure( sigs.i_ii(), {WASM_IF_ELSE_X( f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0)), WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0))), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(0), WASM_GET_LOCAL(0)), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1))), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(1), WASM_GET_LOCAL(1))), kExprI32Add}); ExpectFailure(sigs.i_ii(), {WASM_IF_ELSE_X(f0, WASM_GET_LOCAL(0), WASM_SEQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_SEQ(WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))), kExprF32Add}); } TEST_F(FunctionBodyDecoderTest, BlockParam) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates( sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_BLOCK_X(f1, WASM_GET_LOCAL(1), WASM_I32_ADD(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_BLOCK_X(f2, WASM_I32_ADD(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_BLOCK_X(f1, WASM_NOP), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f1, WASM_NOP), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_BLOCK_X(f1, WASM_GET_LOCAL(0)), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure( sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_BLOCK_X(f2, WASM_I32_ADD(WASM_NOP, WASM_NOP)), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_BLOCK_X(f1, WASM_F32_NEG(WASM_NOP)), WASM_RETURN1(WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, LoopParam) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_GET_LOCAL(1), WASM_I32_ADD(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_LOOP_X(f2, WASM_I32_ADD(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_LOOP_X(f1, WASM_NOP), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(f1, WASM_NOP), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_LOOP_X(f1, WASM_GET_LOCAL(0)), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f2, WASM_I32_ADD(WASM_NOP, WASM_NOP)), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_F32_NEG(WASM_NOP)), WASM_RETURN1(WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, LoopParamBr) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_BR(0))}); ExpectValidates( sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_BRV(0, WASM_GET_LOCAL(1)))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_LOOP_X(f2, WASM_BR(0))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_BLOCK_X(f1, WASM_BR(1)))}); ExpectFailure(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_LOOP_X(f1, WASM_BLOCK(WASM_BR(1))), WASM_RETURN1(WASM_GET_LOCAL(0))}); ExpectFailure(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_LOOP_X(f2, WASM_BLOCK_X(f1, WASM_BR(1))), WASM_RETURN1(WASM_GET_LOCAL(0))}); } TEST_F(FunctionBodyDecoderTest, IfParam) { WASM_FEATURE_SCOPE(mv); TestModuleBuilder builder; module = builder.module(); byte f1 = builder.AddSignature(sigs.i_i()); byte f2 = builder.AddSignature(sigs.i_ii()); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_IF_X(f1, WASM_GET_LOCAL(0), WASM_I32_ADD(WASM_NOP, WASM_GET_LOCAL(1)))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_IF_ELSE_X(f1, WASM_GET_LOCAL(0), WASM_I32_ADD(WASM_NOP, WASM_GET_LOCAL(1)), WASM_I32_EQZ(WASM_NOP))}); ExpectValidates( sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_IF_ELSE_X(f2, WASM_GET_LOCAL(0), WASM_I32_ADD(WASM_NOP, WASM_NOP), WASM_I32_MUL(WASM_NOP, WASM_NOP))}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_IF_X(f1, WASM_GET_LOCAL(0), WASM_NOP), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); ExpectValidates(sigs.i_ii(), {WASM_GET_LOCAL(0), WASM_GET_LOCAL(1), WASM_IF_ELSE_X(f1, WASM_GET_LOCAL(0), WASM_NOP, WASM_I32_EQZ(WASM_NOP)), WASM_I32_ADD(WASM_NOP, WASM_NOP)}); } TEST_F(FunctionBodyDecoderTest, Regression709741) { AddLocals(kWasmI32, kV8MaxWasmFunctionLocals - 1); ExpectValidates(sigs.v_v(), {WASM_NOP}); byte code[] = {WASM_NOP, WASM_END}; for (size_t i = 0; i < arraysize(code); ++i) { FunctionBody body(sigs.v_v(), 0, code, code + i); WasmFeatures unused_detected_features; DecodeResult result = VerifyWasmCode(zone()->allocator(), kAllWasmFeatures, nullptr, &unused_detected_features, body); if (result.ok()) { std::ostringstream str; str << "Expected verification to fail"; } } } TEST_F(FunctionBodyDecoderTest, MemoryInit) { TestModuleBuilder builder; builder.InitializeMemory(); builder.SetDataSegmentCount(1); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(0, 1, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, MemoryInitInvalid) { TestModuleBuilder builder; builder.InitializeMemory(); builder.SetDataSegmentCount(1); module = builder.module(); WASM_FEATURE_SCOPE(bulk_memory); byte code[] = {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO), WASM_END}; for (size_t i = 0; i <= arraysize(code); ++i) { Validate(i == arraysize(code), sigs.v_v(), VectorOf(code, i), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, DataDrop) { TestModuleBuilder builder; builder.InitializeMemory(); builder.SetDataSegmentCount(1); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_DATA_DROP(0)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_DATA_DROP(0)}); ExpectFailure(sigs.v_v(), {WASM_DATA_DROP(1)}); } TEST_F(FunctionBodyDecoderTest, MemoryCopy) { TestModuleBuilder builder; builder.InitializeMemory(); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_MEMORY_COPY(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_MEMORY_COPY(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, MemoryFill) { TestModuleBuilder builder; builder.InitializeMemory(); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_MEMORY_FILL(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_MEMORY_FILL(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, BulkMemoryOpsWithoutMemory) { WASM_FEATURE_SCOPE(bulk_memory); ExpectFailure(sigs.v_v(), {WASM_MEMORY_INIT(0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_MEMORY_COPY(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_MEMORY_FILL(WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, TableInit) { TestModuleBuilder builder; builder.InitializeTable(); builder.AddPassiveElementSegment(); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(0, 1, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, TableInitInvalid) { TestModuleBuilder builder; builder.InitializeTable(); builder.AddPassiveElementSegment(); module = builder.module(); WASM_FEATURE_SCOPE(bulk_memory); byte code[] = {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO), WASM_END}; for (size_t i = 0; i <= arraysize(code); ++i) { Validate(i == arraysize(code), sigs.v_v(), VectorOf(code, i), kOmitEnd); } } TEST_F(FunctionBodyDecoderTest, ElemDrop) { TestModuleBuilder builder; builder.InitializeTable(); builder.AddPassiveElementSegment(); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_ELEM_DROP(0)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_ELEM_DROP(0)}); ExpectFailure(sigs.v_v(), {WASM_ELEM_DROP(1)}); } TEST_F(FunctionBodyDecoderTest, TableCopy) { TestModuleBuilder builder; builder.InitializeTable(); module = builder.module(); ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); WASM_FEATURE_SCOPE(bulk_memory); ExpectValidates(sigs.v_v(), {WASM_TABLE_COPY(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } TEST_F(FunctionBodyDecoderTest, TableGrow) { TestModuleBuilder builder; byte tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20); byte tab_ref = builder.AddTable(kWasmAnyRef, 10, true, 20); module = builder.module(); ExpectFailure(sigs.i_a(), {WASM_TABLE_GROW(tab_func, WASM_REF_NULL, WASM_ONE)}); WASM_FEATURE_SCOPE(anyref); ExpectValidates(sigs.i_a(), {WASM_TABLE_GROW(tab_func, WASM_REF_NULL, WASM_ONE)}); ExpectValidates(sigs.i_r(), {WASM_TABLE_GROW(tab_ref, WASM_REF_NULL, WASM_ONE)}); // FuncRef table cannot be initialized with an anyref value. ExpectFailure(sigs.i_r(), {WASM_TABLE_GROW(tab_func, WASM_GET_LOCAL(0), WASM_ONE)}); // Anyref table can be initialized with an funcref value. ExpectValidates(sigs.i_a(), {WASM_TABLE_GROW(tab_ref, WASM_GET_LOCAL(0), WASM_ONE)}); // Check that the table index gets verified. ExpectFailure(sigs.i_r(), {WASM_TABLE_GROW(tab_ref + 2, WASM_REF_NULL, WASM_ONE)}); } TEST_F(FunctionBodyDecoderTest, TableSize) { TestModuleBuilder builder; int tab = builder.AddTable(kWasmFuncRef, 10, true, 20); module = builder.module(); ExpectFailure(sigs.i_v(), {WASM_TABLE_SIZE(tab)}); WASM_FEATURE_SCOPE(anyref); ExpectValidates(sigs.i_v(), {WASM_TABLE_SIZE(tab)}); ExpectFailure(sigs.i_v(), {WASM_TABLE_SIZE(tab + 2)}); } TEST_F(FunctionBodyDecoderTest, TableFill) { TestModuleBuilder builder; byte tab_func = builder.AddTable(kWasmFuncRef, 10, true, 20); byte tab_ref = builder.AddTable(kWasmAnyRef, 10, true, 20); module = builder.module(); ExpectFailure(sigs.v_a(), {WASM_TABLE_FILL(tab_func, WASM_ONE, WASM_REF_NULL, WASM_ONE)}); WASM_FEATURE_SCOPE(anyref); ExpectValidates(sigs.v_a(), {WASM_TABLE_FILL(tab_func, WASM_ONE, WASM_REF_NULL, WASM_ONE)}); ExpectValidates(sigs.v_r(), {WASM_TABLE_FILL(tab_ref, WASM_ONE, WASM_REF_NULL, WASM_ONE)}); // FuncRef table cannot be initialized with an anyref value. ExpectFailure(sigs.v_r(), {WASM_TABLE_FILL(tab_func, WASM_ONE, WASM_GET_LOCAL(0), WASM_ONE)}); // Anyref table can be initialized with an funcref value. ExpectValidates(sigs.v_a(), {WASM_TABLE_FILL(tab_ref, WASM_ONE, WASM_GET_LOCAL(0), WASM_ONE)}); // Check that the table index gets verified. ExpectFailure(sigs.v_r(), {WASM_TABLE_FILL(tab_ref + 2, WASM_ONE, WASM_REF_NULL, WASM_ONE)}); } TEST_F(FunctionBodyDecoderTest, TableOpsWithoutTable) { TestModuleBuilder builder; module = builder.module(); { WASM_FEATURE_SCOPE(anyref); ExpectFailure(sigs.i_v(), {WASM_TABLE_GROW(0, WASM_REF_NULL, WASM_ONE)}); ExpectFailure(sigs.i_v(), {WASM_TABLE_SIZE(0)}); ExpectFailure(sigs.i_r(), {WASM_TABLE_FILL(0, WASM_ONE, WASM_REF_NULL, WASM_ONE)}); } { WASM_FEATURE_SCOPE(bulk_memory); builder.AddPassiveElementSegment(); ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(0, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } } TEST_F(FunctionBodyDecoderTest, TableCopyMultiTable) { WASM_FEATURE_SCOPE(bulk_memory); WASM_FEATURE_SCOPE(anyref); { TestModuleBuilder builder; builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddPassiveElementSegment(); module = builder.module(); // We added one table, therefore table.copy on table 0 should work. int table_src = 0; int table_dst = 0; ExpectValidates(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); // There is only one table, so table.copy on table 1 should fail. table_src = 0; table_dst = 1; ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); table_src = 1; table_dst = 0; ExpectFailure(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } { TestModuleBuilder builder; builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddPassiveElementSegment(); module = builder.module(); // We added two tables, therefore table.copy on table 0 should work. int table_src = 0; int table_dst = 0; ExpectValidates(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); // Also table.copy on table 1 should work now. table_src = 1; table_dst = 0; ExpectValidates(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); table_src = 0; table_dst = 1; ExpectValidates(sigs.v_v(), {WASM_TABLE_COPY(table_dst, table_src, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } } TEST_F(FunctionBodyDecoderTest, TableInitMultiTable) { WASM_FEATURE_SCOPE(bulk_memory); WASM_FEATURE_SCOPE(anyref); { TestModuleBuilder builder; builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddPassiveElementSegment(); module = builder.module(); // We added one table, therefore table.init on table 0 should work. int table_index = 0; ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); // There is only one table, so table.init on table 1 should fail. table_index = 1; ExpectFailure(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } { TestModuleBuilder builder; builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddTable(kWasmAnyRef, 10, true, 20); builder.AddPassiveElementSegment(); module = builder.module(); // We added two tables, therefore table.init on table 0 should work. int table_index = 0; ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); // Also table.init on table 1 should work now. table_index = 1; ExpectValidates(sigs.v_v(), {WASM_TABLE_INIT(table_index, 0, WASM_ZERO, WASM_ZERO, WASM_ZERO)}); } } class BranchTableIteratorTest : public TestWithZone { public: BranchTableIteratorTest() : TestWithZone() {} void CheckBrTableSize(const byte* start, const byte* end) { Decoder decoder(start, end); BranchTableImmediate operand(&decoder, start); BranchTableIterator iterator(&decoder, operand); EXPECT_EQ(end - start - 1u, iterator.length()); EXPECT_TRUE(decoder.ok()); } void CheckBrTableError(const byte* start, const byte* end) { Decoder decoder(start, end); BranchTableImmediate operand(&decoder, start); BranchTableIterator iterator(&decoder, operand); iterator.length(); EXPECT_FALSE(decoder.ok()); } }; #define CHECK_BR_TABLE_LENGTH(...) \ { \ static byte code[] = {kExprBrTable, __VA_ARGS__}; \ CheckBrTableSize(code, code + sizeof(code)); \ } #define CHECK_BR_TABLE_ERROR(...) \ { \ static byte code[] = {kExprBrTable, __VA_ARGS__}; \ CheckBrTableError(code, code + sizeof(code)); \ } TEST_F(BranchTableIteratorTest, count0) { CHECK_BR_TABLE_LENGTH(0, U32V_1(1)); CHECK_BR_TABLE_LENGTH(0, U32V_2(200)); CHECK_BR_TABLE_LENGTH(0, U32V_3(30000)); CHECK_BR_TABLE_LENGTH(0, U32V_4(400000)); CHECK_BR_TABLE_LENGTH(0, U32V_1(2)); CHECK_BR_TABLE_LENGTH(0, U32V_2(300)); CHECK_BR_TABLE_LENGTH(0, U32V_3(40000)); CHECK_BR_TABLE_LENGTH(0, U32V_4(500000)); } TEST_F(BranchTableIteratorTest, count1) { CHECK_BR_TABLE_LENGTH(1, U32V_1(1), U32V_1(6)); CHECK_BR_TABLE_LENGTH(1, U32V_2(200), U32V_1(8)); CHECK_BR_TABLE_LENGTH(1, U32V_3(30000), U32V_1(9)); CHECK_BR_TABLE_LENGTH(1, U32V_4(400000), U32V_1(11)); CHECK_BR_TABLE_LENGTH(1, U32V_1(2), U32V_2(6)); CHECK_BR_TABLE_LENGTH(1, U32V_2(300), U32V_2(7)); CHECK_BR_TABLE_LENGTH(1, U32V_3(40000), U32V_2(8)); CHECK_BR_TABLE_LENGTH(1, U32V_4(500000), U32V_2(9)); } TEST_F(BranchTableIteratorTest, error0) { CHECK_BR_TABLE_ERROR(0); CHECK_BR_TABLE_ERROR(1, U32V_1(33)); } #undef CHECK_BR_TABLE_LENGTH #undef CHECK_BR_TABLE_ERROR struct PrintOpcodes { const byte* start; const byte* end; }; std::ostream& operator<<(std::ostream& out, const PrintOpcodes& range) { out << "First opcode: \"" << WasmOpcodes::OpcodeName(static_cast(*range.start)) << "\"\nall bytes: ["; for (const byte* b = range.start; b < range.end; ++b) { out << (b == range.start ? "" : ", ") << uint32_t{*b} << "/" << AsHex(*b, 2, true); } return out << "]"; } class WasmOpcodeLengthTest : public TestWithZone { public: WasmOpcodeLengthTest() : TestWithZone() {} template void ExpectLength(unsigned expected, Bytes... bytes) { const byte code[] = {bytes..., 0, 0, 0, 0, 0, 0, 0, 0}; EXPECT_EQ(expected, OpcodeLength(code, code + sizeof(code))) << PrintOpcodes{code, code + sizeof...(bytes)}; } }; TEST_F(WasmOpcodeLengthTest, Statements) { ExpectLength(1, kExprNop); ExpectLength(1, kExprElse); ExpectLength(1, kExprEnd); ExpectLength(1, kExprSelect); ExpectLength(1, kExprCatch); ExpectLength(1, kExprRethrow); ExpectLength(2, kExprBr); ExpectLength(2, kExprBrIf); ExpectLength(2, kExprThrow); ExpectLength(3, kExprBrOnExn); ExpectLength(2, kExprBlock, kLocalI32); ExpectLength(2, kExprLoop, kLocalI32); ExpectLength(2, kExprIf, kLocalI32); ExpectLength(2, kExprTry, kLocalI32); } TEST_F(WasmOpcodeLengthTest, MiscExpressions) { ExpectLength(5, kExprF32Const); ExpectLength(9, kExprF64Const); ExpectLength(1, kExprRefNull); ExpectLength(2, kExprGetLocal); ExpectLength(2, kExprSetLocal); ExpectLength(2, kExprGetGlobal); ExpectLength(2, kExprSetGlobal); ExpectLength(2, kExprCallFunction); ExpectLength(3, kExprCallIndirect); } TEST_F(WasmOpcodeLengthTest, I32Const) { ExpectLength(2, kExprI32Const, U32V_1(1)); ExpectLength(3, kExprI32Const, U32V_2(999)); ExpectLength(4, kExprI32Const, U32V_3(9999)); ExpectLength(5, kExprI32Const, U32V_4(999999)); ExpectLength(6, kExprI32Const, U32V_5(99999999)); } TEST_F(WasmOpcodeLengthTest, I64Const) { ExpectLength(2, kExprI64Const, U32V_1(1)); ExpectLength(3, kExprI64Const, U32V_2(99)); ExpectLength(4, kExprI64Const, U32V_3(9999)); ExpectLength(5, kExprI64Const, U32V_4(99999)); ExpectLength(6, kExprI64Const, U32V_5(9999999)); ExpectLength(7, WASM_I64V_6(777777)); ExpectLength(8, WASM_I64V_7(7777777)); ExpectLength(9, WASM_I64V_8(77777777)); ExpectLength(10, WASM_I64V_9(777777777)); } TEST_F(WasmOpcodeLengthTest, VariableLength) { ExpectLength(2, kExprGetGlobal, U32V_1(1)); ExpectLength(3, kExprGetGlobal, U32V_2(33)); ExpectLength(4, kExprGetGlobal, U32V_3(44)); ExpectLength(5, kExprGetGlobal, U32V_4(66)); ExpectLength(6, kExprGetGlobal, U32V_5(77)); ExpectLength(2, kExprRefFunc, U32V_1(1)); ExpectLength(3, kExprRefFunc, U32V_2(33)); ExpectLength(4, kExprRefFunc, U32V_3(44)); ExpectLength(5, kExprRefFunc, U32V_4(66)); ExpectLength(6, kExprRefFunc, U32V_5(77)); ExpectLength(2, kExprTableGet, U32V_1(1)); ExpectLength(3, kExprTableGet, U32V_2(33)); ExpectLength(4, kExprTableGet, U32V_3(44)); ExpectLength(5, kExprTableGet, U32V_4(66)); ExpectLength(6, kExprTableGet, U32V_5(77)); ExpectLength(2, kExprTableSet, U32V_1(1)); ExpectLength(3, kExprTableSet, U32V_2(33)); ExpectLength(4, kExprTableSet, U32V_3(44)); ExpectLength(5, kExprTableSet, U32V_4(66)); ExpectLength(6, kExprTableSet, U32V_5(77)); ExpectLength(3, kExprCallIndirect, U32V_1(1), U32V_1(1)); ExpectLength(4, kExprCallIndirect, U32V_1(1), U32V_2(33)); ExpectLength(5, kExprCallIndirect, U32V_1(1), U32V_3(44)); ExpectLength(6, kExprCallIndirect, U32V_1(1), U32V_4(66)); ExpectLength(7, kExprCallIndirect, U32V_1(1), U32V_5(77)); } TEST_F(WasmOpcodeLengthTest, LoadsAndStores) { ExpectLength(3, kExprI32LoadMem8S); ExpectLength(3, kExprI32LoadMem8U); ExpectLength(3, kExprI32LoadMem16S); ExpectLength(3, kExprI32LoadMem16U); ExpectLength(3, kExprI32LoadMem); ExpectLength(3, kExprI64LoadMem8S); ExpectLength(3, kExprI64LoadMem8U); ExpectLength(3, kExprI64LoadMem16S); ExpectLength(3, kExprI64LoadMem16U); ExpectLength(3, kExprI64LoadMem32S); ExpectLength(3, kExprI64LoadMem32U); ExpectLength(3, kExprI64LoadMem); ExpectLength(3, kExprF32LoadMem); ExpectLength(3, kExprF64LoadMem); ExpectLength(3, kExprI32StoreMem8); ExpectLength(3, kExprI32StoreMem16); ExpectLength(3, kExprI32StoreMem); ExpectLength(3, kExprI64StoreMem8); ExpectLength(3, kExprI64StoreMem16); ExpectLength(3, kExprI64StoreMem32); ExpectLength(3, kExprI64StoreMem); ExpectLength(3, kExprF32StoreMem); ExpectLength(3, kExprF64StoreMem); } TEST_F(WasmOpcodeLengthTest, MiscMemExpressions) { ExpectLength(2, kExprMemorySize); ExpectLength(2, kExprMemoryGrow); } TEST_F(WasmOpcodeLengthTest, SimpleExpressions) { #define SIMPLE_OPCODE(name, byte, sig) byte, static constexpr uint8_t kSimpleOpcodes[] = { FOREACH_SIMPLE_OPCODE(SIMPLE_OPCODE)}; #undef SIMPLE_OPCODE for (uint8_t simple_opcode : kSimpleOpcodes) { ExpectLength(1, simple_opcode); } } TEST_F(WasmOpcodeLengthTest, SimdExpressions) { #define TEST_SIMD(name, opcode, sig) \ ExpectLength(2, kSimdPrefix, static_cast(kExpr##name & 0xFF)); FOREACH_SIMD_0_OPERAND_OPCODE(TEST_SIMD) #undef TEST_SIMD #define TEST_SIMD(name, opcode, sig) \ ExpectLength(3, kSimdPrefix, static_cast(kExpr##name & 0xFF)); FOREACH_SIMD_1_OPERAND_OPCODE(TEST_SIMD) #undef TEST_SIMD ExpectLength(18, kSimdPrefix, static_cast(kExprS8x16Shuffle & 0xFF)); // test for bad simd opcode ExpectLength(2, kSimdPrefix, 0xFF); } using TypesOfLocals = ZoneVector; class LocalDeclDecoderTest : public TestWithZone { public: v8::internal::AccountingAllocator allocator; WasmFeatures enabled_features_; size_t ExpectRun(TypesOfLocals map, size_t pos, ValueType expected, size_t count) { for (size_t i = 0; i < count; i++) { EXPECT_EQ(expected, map[pos++]); } return pos; } bool DecodeLocalDecls(BodyLocalDecls* decls, const byte* start, const byte* end) { return i::wasm::DecodeLocalDecls(enabled_features_, decls, start, end); } }; TEST_F(LocalDeclDecoderTest, EmptyLocals) { BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, nullptr, nullptr); EXPECT_FALSE(result); } TEST_F(LocalDeclDecoderTest, NoLocals) { static const byte data[] = {0}; BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); EXPECT_TRUE(result); EXPECT_TRUE(decls.type_list.empty()); } TEST_F(LocalDeclDecoderTest, OneLocal) { WASM_FEATURE_SCOPE(anyref); for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType type = kValueTypes[i]; const byte data[] = {1, 1, static_cast(ValueTypes::ValueTypeCodeFor(type))}; BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); EXPECT_TRUE(result); EXPECT_EQ(1u, decls.type_list.size()); TypesOfLocals map = decls.type_list; EXPECT_EQ(type, map[0]); } } TEST_F(LocalDeclDecoderTest, FiveLocals) { WASM_FEATURE_SCOPE(anyref); for (size_t i = 0; i < arraysize(kValueTypes); i++) { ValueType type = kValueTypes[i]; const byte data[] = {1, 5, static_cast(ValueTypes::ValueTypeCodeFor(type))}; BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); EXPECT_TRUE(result); EXPECT_EQ(sizeof(data), decls.encoded_size); EXPECT_EQ(5u, decls.type_list.size()); TypesOfLocals map = decls.type_list; EXPECT_EQ(5u, map.size()); ExpectRun(map, 0, type, 5); } } TEST_F(LocalDeclDecoderTest, MixedLocals) { for (byte a = 0; a < 3; a++) { for (byte b = 0; b < 3; b++) { for (byte c = 0; c < 3; c++) { for (byte d = 0; d < 3; d++) { const byte data[] = {4, a, kLocalI32, b, kLocalI64, c, kLocalF32, d, kLocalF64}; BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); EXPECT_TRUE(result); EXPECT_EQ(sizeof(data), decls.encoded_size); EXPECT_EQ(static_cast(a + b + c + d), decls.type_list.size()); TypesOfLocals map = decls.type_list; size_t pos = 0; pos = ExpectRun(map, pos, kWasmI32, a); pos = ExpectRun(map, pos, kWasmI64, b); pos = ExpectRun(map, pos, kWasmF32, c); pos = ExpectRun(map, pos, kWasmF64, d); } } } } } TEST_F(LocalDeclDecoderTest, UseEncoder) { const byte* data = nullptr; const byte* end = nullptr; LocalDeclEncoder local_decls(zone()); local_decls.AddLocals(5, kWasmF32); local_decls.AddLocals(1337, kWasmI32); local_decls.AddLocals(212, kWasmI64); local_decls.Prepend(zone(), &data, &end); BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, end); EXPECT_TRUE(result); EXPECT_EQ(5u + 1337u + 212u, decls.type_list.size()); TypesOfLocals map = decls.type_list; size_t pos = 0; pos = ExpectRun(map, pos, kWasmF32, 5); pos = ExpectRun(map, pos, kWasmI32, 1337); pos = ExpectRun(map, pos, kWasmI64, 212); } TEST_F(LocalDeclDecoderTest, ExnRef) { WASM_FEATURE_SCOPE(eh); ValueType type = kWasmExnRef; const byte data[] = {1, 1, static_cast(ValueTypes::ValueTypeCodeFor(type))}; BodyLocalDecls decls(zone()); bool result = DecodeLocalDecls(&decls, data, data + sizeof(data)); EXPECT_TRUE(result); EXPECT_EQ(1u, decls.type_list.size()); TypesOfLocals map = decls.type_list; EXPECT_EQ(type, map[0]); } class BytecodeIteratorTest : public TestWithZone {}; TEST_F(BytecodeIteratorTest, SimpleForeach) { byte code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; BytecodeIterator iter(code, code + sizeof(code)); WasmOpcode expected[] = {kExprI32Const, kExprIf, kExprI32Const, kExprElse, kExprI32Const, kExprEnd}; size_t pos = 0; for (WasmOpcode opcode : iter.opcodes()) { if (pos >= arraysize(expected)) { EXPECT_TRUE(false); break; } EXPECT_EQ(expected[pos++], opcode); } EXPECT_EQ(arraysize(expected), pos); } TEST_F(BytecodeIteratorTest, ForeachTwice) { byte code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; BytecodeIterator iter(code, code + sizeof(code)); int count = 0; count = 0; for (WasmOpcode opcode : iter.opcodes()) { USE(opcode); count++; } EXPECT_EQ(6, count); count = 0; for (WasmOpcode opcode : iter.opcodes()) { USE(opcode); count++; } EXPECT_EQ(6, count); } TEST_F(BytecodeIteratorTest, ForeachOffset) { byte code[] = {WASM_IF_ELSE(WASM_ZERO, WASM_ZERO, WASM_ZERO)}; BytecodeIterator iter(code, code + sizeof(code)); int count = 0; count = 0; for (auto offset : iter.offsets()) { USE(offset); count++; } EXPECT_EQ(6, count); count = 0; for (auto offset : iter.offsets()) { USE(offset); count++; } EXPECT_EQ(6, count); } TEST_F(BytecodeIteratorTest, WithLocalDecls) { byte code[] = {1, 1, kLocalI32, WASM_I32V_1(9), WASM_I32V_1(11)}; BodyLocalDecls decls(zone()); BytecodeIterator iter(code, code + sizeof(code), &decls); EXPECT_EQ(3u, decls.encoded_size); EXPECT_EQ(3u, iter.pc_offset()); EXPECT_TRUE(iter.has_next()); EXPECT_EQ(kExprI32Const, iter.current()); iter.next(); EXPECT_TRUE(iter.has_next()); EXPECT_EQ(kExprI32Const, iter.current()); iter.next(); EXPECT_FALSE(iter.has_next()); } #undef WASM_FEATURE_SCOPE #undef B1 #undef B2 #undef B3 #undef WASM_IF_OP #undef WASM_LOOP_OP #undef WASM_BRV_IF_ZERO } // namespace function_body_decoder_unittest } // namespace wasm } // namespace internal } // namespace v8