nan-for-timeout.js (1536B)
1 // |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics 2 // Copyright (C) 2018 Amal Hussein. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-atomics.wait 7 description: > 8 NaN timeout arg should result in an infinite timeout 9 info: | 10 Atomics.wait( typedArray, index, value, timeout ) 11 12 4.Let q be ? ToNumber(timeout). 13 ... 14 Undefined Return NaN. 15 5.If q is NaN, let t be +∞, else let t be max(q, 0) 16 17 includes: [atomicsHelper.js] 18 features: [Atomics, BigInt, SharedArrayBuffer, TypedArray] 19 ---*/ 20 21 const i64a = new BigInt64Array( 22 new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 4) 23 ); 24 25 const RUNNING = 1; 26 27 $262.agent.start(` 28 $262.agent.receiveBroadcast(function(sab) { 29 const i64a = new BigInt64Array(sab); 30 Atomics.add(i64a, ${RUNNING}, 1n); 31 32 $262.agent.report(Atomics.wait(i64a, 0, 0n, NaN)); // NaN => +Infinity 33 $262.agent.leaving(); 34 }); 35 `); 36 37 $262.agent.safeBroadcast(i64a); 38 $262.agent.waitUntil(i64a, RUNNING, 1n); 39 40 // Try to yield control to ensure the agent actually started to wait. 41 $262.agent.tryYield(); 42 43 assert.sameValue(Atomics.notify(i64a, 0), 1, 'Atomics.notify(i64a, 0) returns 1'); 44 assert.sameValue($262.agent.getReport(), 'ok', '$262.agent.getReport() returns "ok"'); 45 46 reportCompare(0, 0);