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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/waitAsync/undefined-for-timeout-agent.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/undefined-for-timeout-agent.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/undefined-for-timeout-agent.js new file mode 100644 index 0000000000..b50ef05dce --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/undefined-for-timeout-agent.js @@ -0,0 +1,77 @@ +// |reftest| skip async -- Atomics.waitAsync is not supported +// 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: > + Undefined timeout arg is coerced to zero +info: | + Atomics.waitAsync( typedArray, index, value, timeout ) + + 1. Return DoWait(async, typedArray, index, value, timeout). + + DoWait ( mode, typedArray, index, value, timeout ) + + 6. Let q be ? ToNumber(timeout). + ... + Undefined Return NaN. + + 5.If q is NaN, let t be +∞, else let t be max(q, 0) + +flags: [async] +includes: [atomicsHelper.js] +features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics, arrow-function, async-functions] +---*/ +assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); + +const WAIT_INDEX = 0; +const RUNNING = 1; +const NUMAGENT = 2; +const NOTIFYCOUNT = 2; + +$262.agent.start(` + $262.agent.receiveBroadcast(async (sab) => { + var i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // undefined => NaN => +Infinity + $262.agent.report("A " + (await Atomics.waitAsync(i32a, 0, 0, undefined).value)); + $262.agent.leaving(); + }); +`); + +$262.agent.start(` + $262.agent.receiveBroadcast(async (sab) => { + var i32a = new Int32Array(sab); + Atomics.add(i32a, ${RUNNING}, 1); + + // undefined timeout arg => NaN => +Infinity + $262.agent.report("B " + (await Atomics.waitAsync(i32a, 0, 0).value)); + $262.agent.leaving(); + }); +`); + +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +$262.agent.safeBroadcastAsync(i32a, RUNNING, NUMAGENT).then(async (agentCount) => { + + assert.sameValue(agentCount, NUMAGENT, 'The value of `agentCount` is expected to equal the value of NUMAGENT'); + + assert.sameValue( + Atomics.notify(i32a, WAIT_INDEX, NOTIFYCOUNT), + NOTIFYCOUNT, + 'Atomics.notify(new Int32Array(new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)), 0, 2) must return the value of NOTIFYCOUNT' + ); + + const reports = [ + await $262.agent.getReportAsync(), + await $262.agent.getReportAsync(), + ]; + + reports.sort(); + assert.sameValue(reports[0], 'A ok', 'The value of reports[0] is "A ok"'); + assert.sameValue(reports[1], 'B ok', 'The value of reports[1] is "B ok"'); +}).then($DONE, $DONE); |