| // Copyright (C) 2017 André Bargull. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-integerindexedelementget |
| description: > |
| "Infinity" is a canonical numeric string, test with access on detached buffer. |
| info: | |
| 9.4.5.4 [[Get]] ( P, Receiver ) |
| ... |
| 2. If Type(P) is String, then |
| a. Let numericIndex be ! CanonicalNumericIndexString(P). |
| b. If numericIndex is not undefined, then |
| i. Return ? IntegerIndexedElementGet(O, numericIndex). |
| ... |
| |
| 7.1.16 CanonicalNumericIndexString ( argument ) |
| ... |
| 3. Let n be ! ToNumber(argument). |
| 4. If SameValue(! ToString(n), argument) is false, return undefined. |
| 5. Return n. |
| |
| 9.4.5.8 IntegerIndexedElementGet ( O, index ) |
| ... |
| 3. Let buffer be O.[[ViewedArrayBuffer]]. |
| 4. If IsDetachedBuffer(buffer) is true, throw a TypeError exception. |
| ... |
| |
| includes: [testTypedArray.js, detachArrayBuffer.js] |
| features: [TypedArray] |
| ---*/ |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var sample = new TA(0); |
| $DETACHBUFFER(sample.buffer); |
| |
| assert.throws(TypeError, function() { |
| sample.Infinity; |
| }); |
| }); |