diff --git a/test/built-ins/Atomics/waitAsync/negative-index-throws.js b/test/built-ins/Atomics/waitAsync/negative-index-throws.js new file mode 100644 index 0000000000..fee4f19fa7 --- /dev/null +++ b/test/built-ins/Atomics/waitAsync/negative-index-throws.js @@ -0,0 +1,41 @@ +// 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: > + Throws a RangeError is index < 0 +info: | + Atomics.waitAsync( typedArray, index, value, timeout ) + + 1. Return DoWait(async, typedArray, index, value, timeout). + + DoWait ( mode, typedArray, index, value, timeout ) + + 1. Let buffer be ? ValidateSharedIntegerTypedArray(typedArray, true). + 2. Let i be ? ValidateAtomicAccess(typedArray, index). + +features: [Atomics.waitAsync, SharedArrayBuffer, TypedArray, Atomics] +---*/ +const i32a = new Int32Array( + new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4) +); + +const poisoned = { + valueOf() { + throw new Test262Error('should not evaluate this code'); + } +}; + +assert.throws(RangeError, function() { + Atomics.waitAsync(i32a, -Infinity, poisoned, poisoned); +}, '`Atomics.waitAsync(i32a, -Infinity, poisoned, poisoned)` throws RangeError'); +assert.throws(RangeError, function() { + Atomics.waitAsync(i32a, -7.999, poisoned, poisoned); +}, '`Atomics.waitAsync(i32a, -7.999, poisoned, poisoned)` throws RangeError'); +assert.throws(RangeError, function() { + Atomics.waitAsync(i32a, -1, poisoned, poisoned); +}, '`Atomics.waitAsync(i32a, -1, poisoned, poisoned)` throws RangeError'); +assert.throws(RangeError, function() { + Atomics.waitAsync(i32a, -300, poisoned, poisoned); +}, '`Atomics.wait(i32a, -300, poisoned, poisoned)` throws RangeError');