blob: c5b99ede7e28364bbbe31165dfd8b8449a718137 [file] [log] [blame]
// 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.
// Flags: --experimental-wasm-threads
(function TestPostMessageUnsharedMemory() {
let worker = new Worker('', {type: 'string'});
let memory = new WebAssembly.Memory({initial: 1, maximum: 2});
assertThrows(() => worker.postMessage(memory), Error);
})();
// Can't use assert in a worker.
let workerHelpers =
`function assertTrue(value, msg) {
if (!value) {
postMessage("Error: " + msg);
throw new Error("Exit"); // To stop testing.
}
}
function assertIsWasmMemory(memory, expectedSize) {
assertTrue(memory instanceof WebAssembly.Memory,
"object is not a WebAssembly.Memory");
assertTrue(memory.buffer instanceof SharedArrayBuffer,
"object.buffer is not a SharedArrayBuffer");
assertTrue(memory.buffer.byteLength == expectedSize,
"object.buffer.byteLength is not " + expectedSize + " bytes");
}
`;
(function TestPostMessageSharedMemory() {
let workerScript = workerHelpers +
`onmessage = function(memory) {
assertIsWasmMemory(memory, 65536);
postMessage("OK");
};`;
let worker = new Worker(workerScript, {type: 'string'});
let memory = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
worker.postMessage(memory);
assertEquals("OK", worker.getMessage());
worker.terminate();
})();
(function TestPostMessageComplexObjectWithSharedMemory() {
let workerScript = workerHelpers +
`onmessage = function(obj) {
assertIsWasmMemory(obj.memories[0], 65536);
assertIsWasmMemory(obj.memories[1], 65536);
assertTrue(obj.buffer instanceof SharedArrayBuffer,
"buffer is not a SharedArrayBuffer");
assertTrue(obj.memories[0] === obj.memories[1], "memories aren't equal");
assertTrue(obj.memories[0].buffer === obj.buffer,
"buffers aren't equal");
assertTrue(obj.foo === 1, "foo is not 1");
postMessage("OK");
};`;
let worker = new Worker(workerScript, {type: 'string'});
let memory = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
let obj = {memories: [memory, memory], buffer: memory.buffer, foo: 1};
worker.postMessage(obj);
assertEquals("OK", worker.getMessage());
worker.terminate();
})();
(function TestTwoWorkers() {
let workerScript = workerHelpers +
`onmessage = function(memory) {
assertIsWasmMemory(memory, 65536);
postMessage("OK");
};`;
let workers = [new Worker(workerScript, {type: 'string'}),
new Worker(workerScript, {type: 'string'})];
let memory = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
for (let worker of workers) {
worker.postMessage(memory);
assertEquals("OK", worker.getMessage());
worker.terminate();
}
})();