js/src/tests/test262/built-ins/Array/prototype/includes/return-abrupt-tointeger-fromindex.js


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// 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-array.prototype.includes
description: Return abrupt from ToInteger(fromIndex)
info: |
  22.1.3.11 Array.prototype.includes ( searchElement [ , fromIndex ] )

  ...
  4. Let n be ? ToInteger(fromIndex). (If fromIndex is undefined, this step
  produces the value 0.)
  ...
features: [Array.prototype.includes]
---*/

var fromIndex = {
  valueOf: function() {
    throw new Test262Error();
  }
};

var sample = [7];

assert.throws(Test262Error, function() {
  sample.includes(7, fromIndex);
});

reportCompare(0, 0);