// Copyright (C) 2018 Amal Hussein. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-atomics.wait description: > Undefined timeout arg should result in an infinite timeout info: | Atomics.wait( typedArray, index, value, timeout ) 4.Let q be ? ToNumber(timeout). ... Undefined Return NaN. 5.If q is NaN, let t be +∞, else let t be max(q, 0) includes: [atomicsHelper.js] features: [Atomics, SharedArrayBuffer, TypedArray] ---*/ const NUMAGENT = 2; // Total number of agents started const WAKEUP = 0; // Index all agents are waiting on const WAKECOUNT = 2; // Total number of agents to wake up $262.agent.start(` $262.agent.receiveBroadcast(function(sab) { var i32a = new Int32Array(sab); $262.agent.report("A " + Atomics.wait(i32a, 0, 0, undefined)); // undefined => NaN => +Infinity $262.agent.leaving(); }); `); $262.agent.start(` $262.agent.receiveBroadcast(function(sab) { var i32a = new Int32Array(sab); $262.agent.report("B " + Atomics.wait(i32a, 0, 0)); // undefined timeout arg => NaN => +Infinity $262.agent.leaving(); }); `); const i32a = new Int32Array( new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) ); $262.agent.broadcast(i32a.buffer); $262.agent.sleep(500); // Ample time // No Reports made before wait assert.sameValue(getReport(), null); assert.sameValue(Atomics.wake(i32a, WAKEUP, WAKECOUNT), WAKECOUNT); const sortedReports = []; for (var i = 0; i < NUMAGENT; i++) { sortedReports.push(getReport()); } sortedReports.sort(); assert.sameValue(sortedReports[0], 'A ok'); assert.sameValue(sortedReports[1], 'B ok');