v8/test/wasm-api-tests/serialize.cc

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// Copyright 2019 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/wasm-api-tests/wasm-api-test.h"
namespace v8 {
namespace internal {
namespace wasm {
namespace {
bool g_callback_called;
own<Trap*> Callback(const Val args[], Val results[]) {
g_callback_called = true;
return nullptr;
}
} // namespace
TEST_F(WasmCapiTest, Serialize) {
FunctionSig sig(0, 0, nullptr);
uint32_t callback_index = builder()->AddImport(CStrVector("callback"), &sig);
byte code[] = {WASM_CALL_FUNCTION0(callback_index)};
AddExportedFunction(CStrVector("run"), code, sizeof(code), &sig);
Compile();
vec<byte_t> serialized = module()->serialize();
own<Module*> deserialized = Module::deserialize(store(), serialized);
own<FuncType*> callback_type =
FuncType::make(vec<ValType*>::make(), vec<ValType*>::make());
own<Func*> callback = Func::make(store(), callback_type.get(), Callback);
Extern* imports[] = {callback.get()};
own<Instance*> instance =
Instance::make(store(), deserialized.get(), imports);
vec<Extern*> exports = instance->exports();
Func* run = exports[0]->func();
g_callback_called = false;
run->call();
EXPECT_TRUE(g_callback_called);
}
} // namespace wasm
} // namespace internal
} // namespace v8