// 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] ---*/ 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); assert.sameValue(Atomics.notify(i32a, 0), 1, 'Atomics.notify(i32a, 0) returns 1'); const lapse = await $262.agent.getReportAsync(); assert( lapse < TIMEOUT, 'The result of `(lapse >= TIMEOUT)` is true' ); const result = await $262.agent.getReportAsync(); assert.sameValue( result, 'ok', 'await Atomics.waitAsync(i32a, 0, 0, ${TIMEOUT}).value resolves to "ok"' ); assert.sameValue(Atomics.notify(i32a, 0), 0, 'Atomics.notify(i32a, 0) returns 0'); }).then($DONE, $DONE);