mirror of https://github.com/tc39/test262.git
58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
// Copyright (C) 2018 Amal Hussein. 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.wait
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description: >
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Returns "not-equal" when value of index is not equal
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info: |
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Atomics.wait( typedArray, index, value, timeout )
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14.If v is not equal to w, then
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a.Perform LeaveCriticalSection(WL).
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b. Return the String "not-equal".
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includes: [atomicsHelper.js]
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features: [Atomics, SharedArrayBuffer, TypedArray]
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---*/
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const RUNNING = 1;
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const TIMEOUT = $262.agent.timeouts.small;
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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, ${RUNNING}, 1);
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$262.agent.report(Atomics.wait(i32a, 0, 44, ${TIMEOUT}));
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$262.agent.report(Atomics.wait(i32a, 0, 251.4, ${TIMEOUT}));
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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 * 4)
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);
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// NB: We don't actually explicitly need to wait for the agent to start in this
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// test case, we only do it for consistency with other test cases which do
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// require the main agent to wait and yield control.
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$262.agent.safeBroadcast(i32a);
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$262.agent.waitUntil(i32a, RUNNING, 1);
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// Try to yield control to ensure the agent actually started to wait.
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$262.agent.tryYield();
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assert.sameValue(
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$262.agent.getReport(),
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'not-equal',
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'$262.agent.getReport() returns "not-equal"'
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);
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assert.sameValue(
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$262.agent.getReport(),
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'not-equal',
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'$262.agent.getReport() returns "not-equal"'
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);
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assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0');
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