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Diffstat (limited to 'js/src/tests/test262/built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js b/js/src/tests/test262/built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js new file mode 100644 index 0000000000..575ff360e3 --- /dev/null +++ b/js/src/tests/test262/built-ins/Atomics/waitAsync/validate-arraytype-before-value-coercion.js @@ -0,0 +1,53 @@ +// |reftest| skip -- 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.notify +description: > + TypedArray type is validated before `value` argument is coerced. +info: | + 1. Return DoWait(async, typedArray, index, value, timeout). + + DoWait ( mode, typedArray, index, value, timeout ) + + 1. Let buffer be ? ValidateSharedIntegerTypedArray(typedArray, true). + + ValidateSharedIntegerTypedArray ( typedArray [ , waitable ] ) + + 1. If waitable is not present, set waitable to false. + 2. Perform ? RequireInternalSlot(typedArray, [[TypedArrayName]]). + 3. Let typeName be typedArray.[[TypedArrayName]]. + 4. Let type be the Element Type value in Table 61 for typeName. + 5. If waitable is true, then + a. If typeName is not "Int32Array" or "BigInt64Array", throw a TypeError exception. + 6. Else, + a. If ! IsUnclampedIntegerElementType(type) is false and ! IsBigIntElementType(type) is false, throw a TypeError exception. + 7. Assert: typedArray has a [[ViewedArrayBuffer]] internal slot. + 8. Let buffer be typedArray.[[ViewedArrayBuffer]]. + 9. If IsSharedArrayBuffer(buffer) is false, throw a TypeError exception. + 10. Return buffer. + +features: [Atomics.waitAsync, Atomics, TypedArray, SharedArrayBuffer] +---*/ +assert.sameValue(typeof Atomics.waitAsync, 'function', 'The value of `typeof Atomics.waitAsync` is "function"'); + +const value = { + valueOf() { + throw new Test262Error(); + } +}; + +const nonSharedArrayTypes = [ + Int8Array, Uint8Array, Int16Array, Uint16Array, Uint32Array, + Uint8ClampedArray, Float32Array, Float64Array +]; + +for (const nonSharedArrayType of nonSharedArrayTypes) { + const typedArray = new nonSharedArrayType(new SharedArrayBuffer(8)); + assert.throws(TypeError, function() { + Atomics.waitAsync(typedArray, 0, value, 0); + }, '`Atomics.waitAsync(typedArray, 0, value, 0)` throws a TypeError exception'); +} + +reportCompare(0, 0); |