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Test that TypedArray constructor throws when detaching buffer in length calculation 

This test is only valid with the PR in https://github.com/tc39/ecma262/pull/852
This commit is contained in:
Daniel Ehrenberg 2017-03-21 11:41:26 +01:00
parent 68fafb4cbe
commit dbb80c81a6
3 changed files with 22 additions and 2 deletions
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2
test/built-ins/TypedArrays/buffer-arg-detached.js
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@ -7,7 +7,7 @@ info: >
22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] )
...
8. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
...
includes: [testTypedArray.js, detachArrayBuffer.js]
---*/

2
test/built-ins/TypedArrays/byteoffset-arg-detachbuffer.js
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@ -7,7 +7,7 @@ info: >
22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] )
...
8. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
...
includes: [testTypedArray.js, detachArrayBuffer.js]
---*/

20
test/built-ins/TypedArrays/length-arg-detachbuffer.js Normal file
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@ -0,0 +1,20 @@
// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-typedarray-buffer-byteoffset-length
description: If TypedArray() is passed a detached buffer, throw
info: >
22.2.4.5 TypedArray ( buffer [ , byteOffset [ , length ] ] )
...
9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
...
includes: [testTypedArray.js, detachArrayBuffer.js]
---*/
testWithTypedArrayConstructors(function(TA) {
var offset = TA.BYTES_PER_ELEMENT;
var buffer = new ArrayBuffer(3 * offset);
var length = { valueOf() { $DETACHBUFFER(buffer); return 1; } };
assert.throws(TypeError, () => new TA(buffer, 0, length));
});