| // 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: Throws a TypeError if comparefn detaches the object buffer |
| 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 »). |
| b. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. |
| ... |
| ... |
| includes: [testTypedArray.js, detachArrayBuffer.js] |
| features: [TypedArray] |
| ---*/ |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var sample = new TA(4); |
| var calls = 0; |
| var comparefn = function() { |
| if (calls > 0) { |
| throw new Test262Error(); |
| } |
| calls++; |
| $DETACHBUFFER(sample.buffer); |
| }; |
| |
| assert.throws(TypeError, function() { |
| sample.sort(comparefn); |
| }); |
| |
| assert.sameValue(calls, 1); |
| }); |