| // 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-defineownproperty-p-desc |
| description: > |
| Returns false if key is a numeric index and Desc.[[Enumerable]] is false |
| info: | |
| 9.4.5.3 [[DefineOwnProperty]] ( P, Desc) |
| ... |
| 3. If Type(P) is String, then |
| a. Let numericIndex be ! CanonicalNumericIndexString(P). |
| b. If numericIndex is not undefined, then |
| ... |
| ix. If Desc has an [[Enumerable]] field and if Desc.[[Enumerable]] is |
| false, return false. |
| ... |
| includes: [testBigIntTypedArray.js] |
| features: [BigInt, Reflect, TypedArray] |
| ---*/ |
| |
| testWithBigIntTypedArrayConstructors(function(TA) { |
| var sample = new TA(2); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "0", { |
| value: 42n, |
| configurable: false, |
| enumerable: false, |
| writable: true |
| }), |
| false, |
| "defineProperty's result" |
| ); |
| assert.sameValue(sample[0], 0n, "side effect check"); |
| }); |