mirror of https://github.com/tc39/test262.git
36 lines
972 B
JavaScript
36 lines
972 B
JavaScript
// Copyright (C) 2018 Rick Waldron. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-atomics.wake
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description: >
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Test that Atomics.wake on awoken waiter is a noop.
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includes: [atomicsHelper.js]
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features: [Atomics, SharedArrayBuffer, TypedArray]
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---*/
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$262.agent.start(`
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$262.agent.receiveBroadcast(function(sab) {
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const i32a = new Int32Array(sab);
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Atomics.add(i32a, 1, 1);
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$262.agent.report(Atomics.wait(i32a, 0, 0, 2000));
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$262.agent.leaving();
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});
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`);
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const i32a = new Int32Array(
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new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 2)
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);
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$262.agent.broadcast(i32a.buffer);
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waitUntil(i32a, 1, 1);
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assert.sameValue(Atomics.wake(i32a, 0, 1), 1, 'Atomics.wake(i32a, 0, 1) returns 1');
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assert.sameValue(getReport(), 'ok', 'The value of `report` is "ok"');
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// Already awake, this should be a noop
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assert.sameValue(Atomics.wake(i32a, 0, 1), 0, 'Atomics.wake(i32a, 0, 1) returns 0');
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