JSTests/test262/test/built-ins/TypedArrayConstructors/ctors/typedarray-arg/other-ctor-buffer-ctor-species-prototype-throws.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-typedarray
description: >
  Return abrupt from buffer.constructor.@@species.prototype
info: |
  22.2.4.3 TypedArray ( typedArray )

  This description applies only if the TypedArray function is called with at
  least one argument and the Type of the first argument is Object and that
  object has a [[TypedArrayName]] internal slot.

  ...
  18. Else,
    a. Let bufferConstructor be ? SpeciesConstructor(srcData, %ArrayBuffer%).
    b. Let data be ? AllocateArrayBuffer(bufferConstructor, byteLength).
  ...

  7.3.20 SpeciesConstructor ( O, defaultConstructor )

  ...
  5. Let S be ? Get(C, @@species).
  6. If S is either undefined or null, return defaultConstructor.
  7. If IsConstructor(S) is true, return S.
  ...

  24.1.1.1 AllocateArrayBuffer ( constructor, byteLength )

  ...
  1. Let obj be ? OrdinaryCreateFromConstructor(constructor,
  "%ArrayBufferPrototype%", « [[ArrayBufferData]], [[ArrayBufferByteLength]] » )
  ...
includes: [testTypedArray.js]
features: [Symbol.species, TypedArray]
---*/

var sample1 = new Int8Array();
var sample2 = new Int16Array();

testWithTypedArrayConstructors(function(TA) {
  var sample = TA === Int8Array ? sample2 : sample1;
  var ctor = {};
  var called = 0;

  sample.buffer.constructor = ctor;

  ctor[Symbol.species] = function() {called++;}.bind(null);
  Object.defineProperty(ctor[Symbol.species], "prototype", {
    get: function() {
      throw new Test262Error();
    }
  });

  assert.throws(Test262Error, function() {
    new TA(sample);
  });
  assert.sameValue(called, 0);
});