diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/wait/undefined-for-timeout.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/wait/undefined-for-timeout.js b/js/src/tests/test262/built-ins/Atomics/wait/undefined-for-timeout.js new file mode 100644 index 0000000000..834b962422 --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/wait/undefined-for-timeout.js @@ -0,0 +1,73 @@ +// |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 +// 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 WAIT_INDEX = 0; // Index all agents are waiting on +const RUNNING = 1; +const NUMAGENT = 2; // Total number of agents started +const NOTIFYCOUNT = 2; // Total number of agents to notify up + +$262.agent.start(` + $262.agent.receiveBroadcast(function(sab) { + var i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // undefined => NaN => +Infinity + $262.agent.report("A " + Atomics.wait(i32a, 0, 0, undefined)); + $262.agent.leaving(); + }); +`); + +$262.agent.start(` + $262.agent.receiveBroadcast(function(sab) { + var i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // undefined timeout arg => NaN => +Infinity + $262.agent.report("B " + Atomics.wait(i32a, 0, 0)); + $262.agent.leaving(); + }); +`); + +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +$262.agent.safeBroadcast(i32a); +$262.agent.waitUntil(i32a, RUNNING, NUMAGENT); + +// Try to yield control to ensure the agent actually started to wait. +$262.agent.tryYield(); + +assert.sameValue( + Atomics.notify(i32a, WAIT_INDEX, NOTIFYCOUNT), + NOTIFYCOUNT, + 'Atomics.notify(i32a, WAIT_INDEX, NOTIFYCOUNT) returns the value of `NOTIFYCOUNT` (2)' +); + +const reports = []; +for (var i = 0; i < NUMAGENT; i++) { + reports.push($262.agent.getReport()); +} +reports.sort(); + +assert.sameValue(reports[0], 'A ok', 'The value of reports[0] is "A ok"'); +assert.sameValue(reports[1], 'B ok', 'The value of reports[1] is "B ok"'); + +reportCompare(0, 0); |