test262/test/built-ins/Atomics/wake/negative-index-throws.js

31 lines
998 B
JavaScript

// Copyright (C) 2018 Amal Hussein. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.wake
description:
Throws a RangeError is index < 0
info: |
Atomics.wake( typedArray, index, count )
2.Let i be ? ValidateAtomicAccess(typedArray, index).
...
2.Let accessIndex be ? ToIndex(requestIndex).
...
2.b If integerIndex < 0, throw a RangeError exception
features: [Atomics, SharedArrayBuffer, TypedArray]
---*/
var sab = new SharedArrayBuffer(1024);
var int32Array = new Int32Array(sab);
var poisoned = {
valueOf: function() {
throw new Test262Error("should not evaluate this code");
}
};
assert.throws(RangeError, () => Atomics.wake(int32Array, -Infinity, poisoned));
assert.throws(RangeError, () => Atomics.wake(int32Array, -7.999, poisoned));
assert.throws(RangeError, () => Atomics.wake(int32Array, -1, poisoned));
assert.throws(RangeError, () => Atomics.wake(int32Array, -300, poisoned));