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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-typedarray-typedarray
+description: >
+ Use default ArrayBuffer constructor on undefined buffer.constructor.@@species
+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.
+
+ ...
+ 17. If SameValue(elementType, srcType) is true, then
+ a. Let data be ? CloneArrayBuffer(srcData, srcByteOffset).
+ ...
+
+ 24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
+
+ ...
+ 2. If cloneConstructor is not present, then
+ a. Let cloneConstructor be ? SpeciesConstructor(srcBuffer, %ArrayBuffer%).
+ ...
+
+ 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.
+ ...
+
+ 24.1.1.4 CloneArrayBuffer ( srcBuffer, srcByteOffset [ , cloneConstructor ] )
+
+ ...
+ 8. Let targetBuffer be ? AllocateArrayBuffer(cloneConstructor, cloneLength).
+ ...
+includes: [testTypedArray.js]
+features: [Symbol.species, TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample = new TA();
+ var ctor = {};
+ var called = 0;
+ var custom = {};
+
+ sample.buffer.constructor = ctor;
+
+ ctor[Symbol.species] = function() {
+ called++;
+ };
+
+ ctor[Symbol.species].prototype = custom;
+
+ var typedArray = new TA(sample);
+ assert.sameValue(Object.getPrototypeOf(typedArray.buffer), custom);
+ assert.sameValue(called, 0);
+});