// Copyright (C) 2018 Rick Waldron. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-atomics.wait description: > Waiter does not spuriously wake on index which is subject to compareExchange operation includes: [atomicsHelper.js] features: [Atomics, SharedArrayBuffer, TypedArray] ---*/ const TIMEOUT = 200; const i32a = new Int32Array( new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) ); $262.agent.start(` $262.agent.receiveBroadcast(function(sab) { const i32a = new Int32Array(sab); const before = $262.agent.monotonicNow(); const unpark = Atomics.wait(i32a, 0, 0, ${TIMEOUT}); $262.agent.report($262.agent.monotonicNow() - before); $262.agent.report(unpark); $262.agent.leaving(); }); `); $262.agent.broadcast(i32a.buffer); $262.agent.sleep(10); Atomics.compareExchange(i32a, 0, 0, 1); const lapse = $262.agent.getReport(); assert( lapse >= TIMEOUT, 'The result of `(lapse >= TIMEOUT)` is true (The result of `(lapse >= TIMEOUT)` is true)' ); assert.sameValue( $262.agent.getReport(), 'timed-out', '$262.agent.getReport() returns "timed-out"' ); assert.sameValue(Atomics.wake(i32a, 0), 0, 'Atomics.wake(i32a, 0) returns 0');