// |reftest| skip async -- Atomics.waitAsync is not supported // Copyright (C) 2020 Rick Waldron. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-atomics.waitasync description: > Test that Atomics.waitAsync returns the right result when it was awoken before a timeout flags: [async] includes: [atomicsHelper.js] features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, arrow-function, async-functions] ---*/ assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); const RUNNING = 1; const TIMEOUT = $262.agent.timeouts.huge; const i32a = new Int32Array( new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) ); $262.agent.start(` $262.agent.receiveBroadcast(async (sab) => { const i32a = new Int32Array(sab); Atomics.add(i32a, ${RUNNING}, 1); const before = $262.agent.monotonicNow(); const unpark = await Atomics.waitAsync(i32a, 0, 0, ${TIMEOUT}).value; const duration = $262.agent.monotonicNow() - before; $262.agent.report(duration); $262.agent.report(unpark); $262.agent.leaving(); }); `); $262.agent.safeBroadcastAsync(i32a, RUNNING, 1).then(async (agentCount) => { assert.sameValue(agentCount, 1, 'The value of `agentCount` is 1'); assert.sameValue(Atomics.notify(i32a, 0), 1, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0) must return 1'); let lapse = await $262.agent.getReportAsync(); assert( lapse < TIMEOUT, 'The result of evaluating `(lapse < TIMEOUT)` is true' ); assert.sameValue( await $262.agent.getReportAsync(), 'ok', '(await $262.agent.getReportAsync()) resolves to the value "ok"' ); assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0) must return 0'); }).then($DONE, $DONE);