f43944a222
Change-Id: Id474294a808f5c77321cd12ff5333eb6000b04fa Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1692933 Commit-Queue: Jakob Kummerow <jkummerow@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#62655}
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
// Copyright 2019 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/wasm-api-tests/wasm-api-test.h"
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namespace v8 {
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namespace internal {
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namespace wasm {
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using ::wasm::FUNCREF;
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using ::wasm::Limits;
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using ::wasm::TableType;
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namespace {
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own<Trap*> Negate(const Val args[], Val results[]) {
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results[0] = Val(-args[0].i32());
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return nullptr;
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}
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void ExpectTrap(const Func* func, int arg1, int arg2) {
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Val args[2] = {Val::i32(arg1), Val::i32(arg2)};
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Val results[1];
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own<Trap*> trap = func->call(args, results);
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EXPECT_NE(nullptr, trap);
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}
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void ExpectResult(int expected, const Func* func, int arg1, int arg2) {
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Val args[2] = {Val::i32(arg1), Val::i32(arg2)};
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Val results[1];
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own<Trap*> trap = func->call(args, results);
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EXPECT_EQ(nullptr, trap);
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EXPECT_EQ(expected, results[0].i32());
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}
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} // namespace
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TEST_F(WasmCapiTest, Table) {
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builder()->AllocateIndirectFunctions(2);
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builder()->SetMaxTableSize(10);
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builder()->AddExport(CStrVector("table"), kExternalTable, 0);
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const uint32_t sig_i_i_index = builder()->AddSignature(wasm_i_i_sig());
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ValueType reps[] = {kWasmI32, kWasmI32, kWasmI32};
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FunctionSig call_sig(1, 2, reps);
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byte call_code[] = {
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WASM_CALL_INDIRECT1(sig_i_i_index, WASM_GET_LOCAL(1), WASM_GET_LOCAL(0))};
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AddExportedFunction(CStrVector("call_indirect"), call_code, sizeof(call_code),
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&call_sig);
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byte f_code[] = {WASM_GET_LOCAL(0)};
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AddExportedFunction(CStrVector("f"), f_code, sizeof(f_code), wasm_i_i_sig());
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byte g_code[] = {WASM_I32V_1(42)};
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AddExportedFunction(CStrVector("g"), g_code, sizeof(g_code), wasm_i_i_sig());
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// Set table[1] to {f}, which has function index 1.
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builder()->SetIndirectFunction(1, 1);
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Instantiate(nullptr);
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Table* table = GetExportedTable(0);
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Func* call_indirect = GetExportedFunction(1);
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Func* f = GetExportedFunction(2);
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Func* g = GetExportedFunction(3);
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own<Func*> h = Func::make(store(), cpp_i_i_sig(), Negate);
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// Check initial table state.
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EXPECT_EQ(2u, table->size());
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EXPECT_EQ(nullptr, table->get(0));
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EXPECT_NE(nullptr, table->get(1));
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ExpectTrap(call_indirect, 0, 0);
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ExpectResult(7, call_indirect, 7, 1);
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ExpectTrap(call_indirect, 0, 2);
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// Mutate table.
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EXPECT_TRUE(table->set(0, g));
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EXPECT_TRUE(table->set(1, nullptr));
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EXPECT_FALSE(table->set(2, f));
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EXPECT_NE(nullptr, table->get(0));
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EXPECT_EQ(nullptr, table->get(1));
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ExpectResult(42, call_indirect, 7, 0);
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ExpectTrap(call_indirect, 0, 1);
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ExpectTrap(call_indirect, 0, 2);
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// Grow table.
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EXPECT_TRUE(table->grow(3));
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EXPECT_EQ(5u, table->size());
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EXPECT_TRUE(table->set(2, f));
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EXPECT_TRUE(table->set(3, h.get()));
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EXPECT_FALSE(table->set(5, nullptr));
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EXPECT_NE(nullptr, table->get(2));
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EXPECT_NE(nullptr, table->get(3));
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EXPECT_EQ(nullptr, table->get(4));
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ExpectResult(5, call_indirect, 5, 2);
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ExpectResult(-6, call_indirect, 6, 3);
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ExpectTrap(call_indirect, 0, 4);
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ExpectTrap(call_indirect, 0, 5);
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EXPECT_TRUE(table->grow(2, f));
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EXPECT_EQ(7u, table->size());
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EXPECT_NE(nullptr, table->get(5));
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EXPECT_NE(nullptr, table->get(6));
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EXPECT_FALSE(table->grow(5));
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EXPECT_TRUE(table->grow(3));
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EXPECT_TRUE(table->grow(0));
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// Create standalone table.
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// TODO(wasm+): Once Wasm allows multiple tables, turn this into import.
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own<TableType*> tabletype =
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TableType::make(ValType::make(FUNCREF), Limits(5, 5));
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own<Table*> table2 = Table::make(store(), tabletype.get());
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EXPECT_EQ(5u, table2->size());
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EXPECT_FALSE(table2->grow(1));
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EXPECT_TRUE(table2->grow(0));
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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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