js/src/tests/test262/built-ins/Atomics/compareExchange/bigint/bad-range.js


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// |reftest| skip-if(!this.hasOwnProperty('Atomics')||!this.hasOwnProperty('SharedArrayBuffer')||(this.hasOwnProperty('getBuildConfiguration')&&getBuildConfiguration('arm64-simulator'))) -- Atomics,SharedArrayBuffer is not enabled unconditionally, ARM64 Simulator cannot emulate atomics
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-atomics.compareexchange
description: >
  Test range checking of Atomics.compareExchange on arrays that allow atomic operations
includes: [testAtomics.js, testBigIntTypedArray.js]
features: [ArrayBuffer, Atomics, BigInt, DataView, SharedArrayBuffer, Symbol, TypedArray]
---*/
const buffer = new SharedArrayBuffer(BigInt64Array.BYTES_PER_ELEMENT * 2);

testWithBigIntTypedArrayConstructors(function(TA) {
  const view = new TA(buffer);

  testWithAtomicsOutOfBoundsIndices(function(IdxGen) {
    assert.throws(RangeError, function() {
      Atomics.compareExchange(view, IdxGen(view), 10, 0n);
    });
  });
});

reportCompare(0, 0);