JSTests/test262/test/built-ins/TypedArray/prototype/sort/sortcompare-with-no-tostring.js

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.sort
description: TypedArrays sort does not cast values to String
info: |
  22.2.3.26 %TypedArray%.prototype.sort ( comparefn )

  When the TypedArray SortCompare abstract operation is called with two
  arguments x and y, the following steps are taken:

  ...
  2. If the argument comparefn is not undefined, then
    a. Let v be ? Call(comparefn, undefined, « x, y »).
    ...
  ...
includes: [testTypedArray.js, compareArray.js]
features: [TypedArray]
---*/

var toStringCalled = false;
Number.prototype.toString = function() {
  toStringCalled = true;
}

testWithTypedArrayConstructors(function(TA) {
  var sample = new TA([20, 100, 3]);
  var result = sample.sort();
  assert.sameValue(toStringCalled, false, "Number.prototype.toString will not be called");
  assert(compareArray(result, [3, 20, 100]), "Default sorting by value");
});