test262/test/built-ins/Atomics/notify/out-of-range-index-throws.js

// Copyright (C) 2018 Amal Hussein. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-atomics.notify
description: >
  Throws a RangeError if value of index arg is out of range
  info: |
  Atomics.notify( typedArray, index, count )

  2.Let i be ? ValidateAtomicAccess(typedArray, index).
    ...
    2.Let accessIndex be ? ToIndex(requestIndex).
    ...
    5. If accessIndex ≥ length, throw a RangeError exception.
features: [Atomics, SharedArrayBuffer, TypedArray]
---*/

const i32a = new Int32Array(
  new SharedArrayBuffer(Int32Array.BYTES_PER_ELEMENT * 4)
);

var poisoned = {
  valueOf: function() {
    throw new Test262Error('should not evaluate this code');
  }
};

assert.throws(RangeError, function() {
  Atomics.notify(i32a, Infinity, poisoned);
}, '`Atomics.notify(i32a, Infinity, poisoned)` throws RangeError');
assert.throws(RangeError, function() {
  Atomics.notify(i32a, 4, poisoned);
}, '`Atomics.notify(i32a, 4, poisoned)` throws RangeError');
assert.throws(RangeError, function() {
  Atomics.notify(i32a, 200, poisoned);
}, '`Atomics.notify(i32a, 200, poisoned)` throws RangeError');