JSTests/test262/test/built-ins/TypedArray/prototype/slice/detached-buffer-speciesctor-get-species-custom-ctor-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%.prototype.slice
description: >
  Custom @@species constructor throws if it returns an instance with a detached
  buffer
info: |
  22.2.3.24 %TypedArray%.prototype.slice ( start, end )

  ...
  9. Let A be ? TypedArraySpeciesCreate(O, « count »).
  ...

  22.2.4.7 TypedArraySpeciesCreate ( exemplar, argumentList )

  ...
  3. Let constructor be ? SpeciesConstructor(exemplar, defaultConstructor).
  4. Return ? TypedArrayCreate(constructor, argumentList).

  22.2.4.6 TypedArrayCreate ( constructor, argumentList )

  1. Let newTypedArray be ? Construct(constructor, argumentList).
  2. Perform ? ValidateTypedArray(newTypedArray).
  ...
includes: [testTypedArray.js, detachArrayBuffer.js]
features: [Symbol.species, TypedArray]
---*/

testWithTypedArrayConstructors(function(TA) {
  var sample = new TA();

  sample.constructor = {};
  sample.constructor[Symbol.species] = function(count) {
    var other = new TA(count);
    $DETACHBUFFER(other.buffer);
    return other;
  };

  assert.throws(TypeError, function() {
    sample.slice();
  });
});