| // 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-integer-indexed-exotic-objects-getownproperty-p |
| description: Returns undefined when P is -0. |
| info: | |
| 9.4.5.1 [[GetOwnProperty]] ( P ) |
| |
| ... |
| 3. If Type(P) is String, then |
| a. Let numericIndex be ! CanonicalNumericIndexString(P). |
| b. If numericIndex is not undefined, then |
| i. Let value be ? IntegerIndexedElementGet(O, numericIndex). |
| ii. If value is undefined, return undefined. |
| ... |
| |
| 7.1.16 CanonicalNumericIndexString ( argument ) |
| |
| ... |
| 2. If argument is "-0", return -0. |
| ... |
| |
| 9.4.5.8 IntegerIndexedElementGet ( O, index ) |
| |
| ... |
| 6. If index = -0, return undefined. |
| ... |
| includes: [testTypedArray.js] |
| features: [TypedArray] |
| ---*/ |
| |
| testWithTypedArrayConstructors(function(TA) { |
| var sample = new TA([42]); |
| |
| // -0 as a number value is converted to "0" before calling [[GetOwnProperty]] |
| assert.sameValue(Object.getOwnPropertyDescriptor(sample, "-0"), undefined); |
| }); |
