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4c4af643e5
PR-URL: https://github.com/nodejs/node/pull/17489 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
// Copyright 2017 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: --experimental-wasm-threads
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(function TestPostMessageUnsharedMemory() {
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let worker = new Worker('');
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let memory = new WebAssembly.Memory({initial: 1, maximum: 2});
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assertThrows(() => worker.postMessage(memory), Error);
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})();
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// Can't use assert in a worker.
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let workerHelpers =
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`function assertTrue(value, msg) {
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if (!value) {
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postMessage("Error: " + msg);
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throw new Error("Exit"); // To stop testing.
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}
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}
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function assertIsWasmMemory(memory, expectedSize) {
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assertTrue(memory instanceof WebAssembly.Memory,
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"object is not a WebAssembly.Memory");
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assertTrue(memory.buffer instanceof SharedArrayBuffer,
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"object.buffer is not a SharedArrayBuffer");
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assertTrue(memory.buffer.byteLength == expectedSize,
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"object.buffer.byteLength is not " + expectedSize + " bytes");
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}
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`;
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(function TestPostMessageSharedMemory() {
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let workerScript = workerHelpers +
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`onmessage = function(memory) {
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assertIsWasmMemory(memory, 65536);
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postMessage("OK");
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};`;
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let worker = new Worker(workerScript);
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let memory = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
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worker.postMessage(memory);
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assertEquals("OK", worker.getMessage());
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worker.terminate();
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})();
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(function TestPostMessageComplexObjectWithSharedMemory() {
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let workerScript = workerHelpers +
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`onmessage = function(obj) {
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assertIsWasmMemory(obj.memories[0], 65536);
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assertIsWasmMemory(obj.memories[1], 65536);
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assertTrue(obj.buffer instanceof SharedArrayBuffer,
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"buffer is not a SharedArrayBuffer");
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assertTrue(obj.memories[0] === obj.memories[1], "memories aren't equal");
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assertTrue(obj.memories[0].buffer === obj.buffer,
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"buffers aren't equal");
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assertTrue(obj.foo === 1, "foo is not 1");
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postMessage("OK");
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};`;
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let worker = new Worker(workerScript);
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let memory = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
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let obj = {memories: [memory, memory], buffer: memory.buffer, foo: 1};
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worker.postMessage(obj);
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assertEquals("OK", worker.getMessage());
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worker.terminate();
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})();
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