| // 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: > |
| Sets an ordinary property value if numeric key is not a CanonicalNumericIndex |
| 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 |
| ... |
| 4. Return OrdinaryDefineOwnProperty(O, P, Desc). |
| ... |
| includes: [testBigIntTypedArray.js, propertyHelper.js] |
| features: [BigInt, Reflect, TypedArray] |
| ---*/ |
| |
| var keys = [ |
| "1.0", |
| "+1", |
| "1000000000000000000000", |
| "0.0000001" |
| ]; |
| |
| var fnset = function() {}; |
| var fnget = function() {}; |
| |
| var acDesc = { |
| get: fnget, |
| set: fnset, |
| enumerable: true, |
| configurable: false |
| }; |
| |
| testWithBigIntTypedArrayConstructors(function(TA) { |
| keys.forEach(function(key) { |
| var dataDesc = { |
| value: 42n, |
| writable: true, |
| configurable: true |
| }; |
| |
| var sample1 = new TA(); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample1, key, dataDesc), |
| true, |
| "return true after defining data property [" + key + "]" |
| ); |
| |
| assert.sameValue(sample1[key], 42n, "value is set to [" + key + "]"); |
| verifyNotEnumerable(sample1, key); |
| verifyWritable(sample1, key); |
| verifyConfigurable(sample1, key); |
| |
| assert.sameValue(sample1[0], undefined, "no value is set on sample1[0]"); |
| assert.sameValue(sample1.length, 0, "length is still 0"); |
| |
| var sample2 = new TA(); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample2, key, acDesc), |
| true, |
| "return true after defining accessors property [" + key + "]" |
| ); |
| |
| var desc = Object.getOwnPropertyDescriptor(sample2, key); |
| verifyEnumerable(sample2, key); |
| assert.sameValue(desc.get, fnget, "accessor's get [" + key + "]"); |
| assert.sameValue(desc.set, fnset, "accessor's set [" + key + "]"); |
| verifyNotConfigurable(sample2, key); |
| |
| assert.sameValue(sample2[0], undefined,"no value is set on sample2[0]"); |
| assert.sameValue(sample2.length, 0, "length is still 0"); |
| |
| var sample3 = new TA(); |
| Object.preventExtensions(sample3); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample3, key, dataDesc), |
| false, |
| "return false defining property on a non-extensible sample" |
| ); |
| assert.sameValue(Object.getOwnPropertyDescriptor(sample3, key), undefined); |
| |
| var sample4 = new TA(); |
| Object.preventExtensions(sample4); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample4, key, acDesc), |
| false, |
| "return false defining property on a non-extensible sample" |
| ); |
| assert.sameValue(Object.getOwnPropertyDescriptor(sample4, key), undefined); |
| }); |
| }); |