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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/waitAsync/value-not-equal.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/value-not-equal.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/value-not-equal.js new file mode 100644 index 0000000000..324fc4fc90 --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/value-not-equal.js @@ -0,0 +1,50 @@ +// |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: > + Returns "not-equal" when value arg does not match an index in the typedArray +info: | + Atomics.waitAsync( typedArray, index, value, timeout ) + + 1. Return DoWait(async, typedArray, index, value, timeout). + + DoWait ( mode, typedArray, index, value, timeout ) + + 16. Let w be ! AtomicLoad(typedArray, i). + 17. If v is not equal to w, then + a. Perform LeaveCriticalSection(WL). + b. If mode is sync, then + i. Return the String "not-equal". + c. Perform ! Call(capability.[[Resolve]], undefined, « "not-equal" »). + d. Return promiseCapability.[[Promise]]. + +flags: [async] +features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, computed-property-names, Symbol, Symbol.toPrimitive, Atomics, arrow-function] +---*/ +assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +const valueOf = { + valueOf() { + return undefined; + } +}; + +const toPrimitive = { + [Symbol.toPrimitive]() { + return undefined; + } +}; + +Promise.all([ + Atomics.store(i32a, 0, 42), + Atomics.waitAsync(i32a, 0, 0).value, + ]).then(outcomes => { + assert.sameValue(outcomes[0], 42, 'The value of outcomes[0] is 42'); + assert.sameValue(outcomes[1], 'not-equal', 'The value of outcomes[1] is "not-equal"'); + }).then($DONE, $DONE); |