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test-serialization-with-lazy-compilation.js
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test-serialization-with-lazy-compilation.js
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// Copyright 2021 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.
// Flags: --allow-natives-syntax --wasm-lazy-compilation --expose-gc
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
const num_functions = 2;
function create_builder() {
const builder = new WasmModuleBuilder();
builder.addImport("foo", "bar", kSig_i_v);
for (let i = 0; i < num_functions; ++i) {
builder.addFunction('f' + i, kSig_i_v)
.addBody(wasmI32Const(i))
.exportFunc();
}
return builder;
}
const wire_bytes = create_builder().toBuffer();
function serializeModule() {
const module = new WebAssembly.Module(wire_bytes);
const buff = %SerializeWasmModule(module);
return buff;
};
const serialized_module = serializeModule();
// Do some GCs to make sure the first module got collected and removed from the
// module cache.
gc();
gc();
gc();
(function testSerializedModule() {
print(arguments.callee.name);
const module = %DeserializeWasmModule(serialized_module, wire_bytes);
const instance = new WebAssembly.Instance(module, {foo: {bar: () => 1}});
assertEquals(0, instance.exports.f0());
assertEquals(1, instance.exports.f1());
})();