44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
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// Copyright 2018 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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// Flags: --allow-natives-syntax --experimental-wasm-anyref
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load("test/mjsunit/wasm/wasm-module-builder.js");
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(function testAnyRefNull() {
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const builder = new WasmModuleBuilder();
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builder.addFunction('main', kSig_r_v)
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.addBody([kExprRefNull])
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.exportFunc();
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var wire_bytes = builder.toBuffer();
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var module = new WebAssembly.Module(wire_bytes);
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var buffer = %SerializeWasmModule(module);
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module = %DeserializeWasmModule(buffer, wire_bytes);
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var instance = new WebAssembly.Instance(module);
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assertEquals(null, instance.exports.main());
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})();
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(function testAnyRefIsNull() {
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const builder = new WasmModuleBuilder();
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builder.addFunction('main', kSig_i_r)
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.addBody([kExprGetLocal, 0, kExprRefIsNull])
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.exportFunc();
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var wire_bytes = builder.toBuffer();
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var module = new WebAssembly.Module(wire_bytes);
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var buffer = %SerializeWasmModule(module);
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module = %DeserializeWasmModule(buffer, wire_bytes);
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var instance = new WebAssembly.Instance(module);
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assertEquals(0, instance.exports.main({'hello' : 'world'}));
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assertEquals(0, instance.exports.main(1234));
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assertEquals(0, instance.exports.main(0));
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assertEquals(0, instance.exports.main(123.4));
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assertEquals(0, instance.exports.main(undefined));
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assertEquals(1, instance.exports.main(null));
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assertEquals(0, instance.exports.main(print));
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})();
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