eccce9b755
Fixing several memory leaks in wasm unittests. Avoiding std::vector::data() as it isn't supported on all compilers on the bots. Use EXCEPT_TRUE / EXPECT_FALSE to avoid warnings on some compilers when testing boolean equality. R=ahaas@chromium.org BUG= Review URL: https://codereview.chromium.org/1536603003 Cr-Commit-Position: refs/heads/master@{#32940}
152 lines
5.4 KiB
C++
152 lines
5.4 KiB
C++
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/unittests/test-utils.h"
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#include "src/v8.h"
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#include "src/wasm/ast-decoder.h"
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#include "src/wasm/encoder.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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class EncoderTest : public TestWithZone {
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protected:
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void AddLocal(WasmFunctionBuilder* f, LocalType type) {
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uint16_t index = f->AddLocal(type);
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const std::vector<uint8_t>& out_index = UnsignedLEB128From(index);
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std::vector<uint8_t> code;
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code.push_back(kExprGetLocal);
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for (size_t i = 0; i < out_index.size(); i++) {
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code.push_back(out_index.at(i));
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}
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uint32_t local_indices[] = {1};
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f->EmitCode(&code[0], static_cast<uint32_t>(code.size()), local_indices, 1);
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}
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void CheckReadValue(uint8_t* leb_value, uint32_t expected_result,
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int expected_length,
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ReadUnsignedLEB128ErrorCode expected_error_code) {
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int length;
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uint32_t result;
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ReadUnsignedLEB128ErrorCode error_code =
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ReadUnsignedLEB128Operand(leb_value, leb_value + 5, &length, &result);
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CHECK_EQ(error_code, expected_error_code);
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if (error_code == 0) {
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CHECK_EQ(result, expected_result);
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CHECK_EQ(length, expected_length);
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}
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}
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void CheckWriteValue(uint32_t input, int length, uint8_t* vals) {
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const std::vector<uint8_t> result = UnsignedLEB128From(input);
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CHECK_EQ(result.size(), length);
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for (int i = 0; i < length; i++) {
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CHECK_EQ(result.at(i), vals[i]);
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}
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}
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};
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TEST_F(EncoderTest, Function_Builder_Variable_Indexing) {
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Zone zone;
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WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
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uint16_t f_index = builder->AddFunction();
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WasmFunctionBuilder* function = builder->FunctionAt(f_index);
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uint16_t local_float32 = function->AddLocal(kAstF32);
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uint16_t param_float32 = function->AddParam(kAstF32);
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uint16_t local_int32 = function->AddLocal(kAstI32);
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uint16_t local_float64 = function->AddLocal(kAstF64);
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uint16_t local_int64 = function->AddLocal(kAstI64);
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uint16_t param_int32 = function->AddParam(kAstI32);
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uint16_t local_int32_2 = function->AddLocal(kAstI32);
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byte code[] = {kExprGetLocal, static_cast<uint8_t>(param_float32)};
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uint32_t local_indices[] = {1};
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(param_int32);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(local_int32);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(local_int32_2);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(local_int64);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(local_float32);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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code[1] = static_cast<uint8_t>(local_float64);
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function->EmitCode(code, sizeof(code), local_indices, 1);
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WasmFunctionEncoder* f = function->Build(&zone, builder);
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ZoneVector<uint8_t> buffer_vector(f->HeaderSize() + f->BodySize(), &zone);
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byte* buffer = &buffer_vector[0];
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byte* header = buffer;
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byte* body = buffer + f->HeaderSize();
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f->Serialize(buffer, &header, &body);
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for (size_t i = 0; i < 7; i++) {
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CHECK_EQ(i, static_cast<size_t>(*(buffer + 2 * i + f->HeaderSize() + 1)));
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}
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}
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TEST_F(EncoderTest, Function_Builder_Indexing_Variable_Width) {
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Zone zone;
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WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
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uint16_t f_index = builder->AddFunction();
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WasmFunctionBuilder* function = builder->FunctionAt(f_index);
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for (size_t i = 0; i < 128; i++) {
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AddLocal(function, kAstF32);
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}
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AddLocal(function, kAstI32);
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WasmFunctionEncoder* f = function->Build(&zone, builder);
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ZoneVector<uint8_t> buffer_vector(f->HeaderSize() + f->BodySize(), &zone);
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byte* buffer = &buffer_vector[0];
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byte* header = buffer;
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byte* body = buffer + f->HeaderSize();
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f->Serialize(buffer, &header, &body);
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body = buffer + f->HeaderSize();
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for (size_t i = 0; i < 127; i++) {
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CHECK_EQ(kExprGetLocal, static_cast<size_t>(*(body + 2 * i)));
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CHECK_EQ(i + 1, static_cast<size_t>(*(body + 2 * i + 1)));
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}
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CHECK_EQ(kExprGetLocal, static_cast<size_t>(*(body + 2 * 127)));
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CHECK_EQ(0x80, static_cast<size_t>(*(body + 2 * 127 + 1)));
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CHECK_EQ(0x01, static_cast<size_t>(*(body + 2 * 127 + 2)));
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CHECK_EQ(kExprGetLocal, static_cast<size_t>(*(body + 2 * 127 + 3)));
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CHECK_EQ(0x00, static_cast<size_t>(*(body + 2 * 127 + 4)));
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}
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TEST_F(EncoderTest, LEB_Functions) {
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byte leb_value[5] = {0, 0, 0, 0, 0};
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CheckReadValue(leb_value, 0, 1, kNoError);
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CheckWriteValue(0, 1, leb_value);
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leb_value[0] = 23;
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CheckReadValue(leb_value, 23, 1, kNoError);
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CheckWriteValue(23, 1, leb_value);
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leb_value[0] = 0x80;
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leb_value[1] = 0x01;
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CheckReadValue(leb_value, 128, 2, kNoError);
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CheckWriteValue(128, 2, leb_value);
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leb_value[0] = 0x80;
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leb_value[1] = 0x80;
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leb_value[2] = 0x80;
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leb_value[3] = 0x80;
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leb_value[4] = 0x01;
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CheckReadValue(leb_value, 0x10000000, 5, kNoError);
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CheckWriteValue(0x10000000, 5, leb_value);
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leb_value[0] = 0x80;
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leb_value[1] = 0x80;
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leb_value[2] = 0x80;
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leb_value[3] = 0x80;
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leb_value[4] = 0x80;
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CheckReadValue(leb_value, -1, -1, kInvalidLEB128);
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}
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} // namespace wasm
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} // namespace internal
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} // namespace v8
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