chromium/v8/test/cctest/wasm/test-c-wasm-entry.cc

// Copyright 2017 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 <cstdint>

#include "src/base/overflowing-math.h"
#include "src/base/safe_conversions.h"
#include "src/codegen/assembler-inl.h"
#include "src/objects/objects-inl.h"
#include "src/wasm/wasm-arguments.h"
#include "src/wasm/wasm-objects.h"
#include "test/cctest/cctest.h"
#include "test/cctest/wasm/wasm-run-utils.h"
#include "test/common/value-helper.h"
#include "test/common/wasm/wasm-macro-gen.h"

namespace v8 {
namespace internal {
namespace wasm {

/**
 * We test the interface from C to compiled wasm code by generating a wasm
 * function, creating a corresponding signature, compiling the c wasm entry for
 * that signature, and then calling that entry using different test values.
 * The result is compared against the expected result, computed from a lambda
 * passed to the CWasmEntryArgTester.
 */
namespace {

template <typename ReturnType, typename... Args>
class CWasmEntryArgTester { … };

}  // namespace

// Pass int32_t, return int32_t.
TEST(TestCWasmEntryArgPassing_int32) { … }

// Pass int64_t, return double.
TEST(TestCWasmEntryArgPassing_double_int64) { … }

// Pass double, return int64_t.
TEST(TestCWasmEntryArgPassing_int64_double) { … }

// Pass float, return double.
TEST(TestCWasmEntryArgPassing_float_double) { … }

// Pass two doubles, return double.
TEST(TestCWasmEntryArgPassing_double_double) { … }

// Pass int32_t, int64_t, float and double, return double.
TEST(TestCWasmEntryArgPassing_AllTypes) { … }

}  // namespace wasm
}  // namespace internal
}  // namespace v8