| // 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 numericIndex is not an integer |
| 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 |
| i. If IsInteger(numericIndex) is false, return false. |
| ... |
| includes: [testBigIntTypedArray.js] |
| features: [BigInt, Reflect, TypedArray] |
| ---*/ |
| |
| testWithBigIntTypedArrayConstructors(function(TA) { |
| var sample = new TA(2); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "0.1", { |
| value: 42n, |
| configurable: false, |
| enumerable: true, |
| writable: true |
| }), |
| false, |
| "0.1" |
| ); |
| assert.sameValue(sample[0], 0n, "'0.1' - does not change the value for [0]"); |
| assert.sameValue( |
| sample["0.1"], |
| undefined, |
| "'0.1' - does not define a value for ['0.1']" |
| ); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "0.000001", { |
| value: 42n, |
| configurable: false, |
| enumerable: true, |
| writable: true |
| }), |
| false, |
| "0.000001" |
| ); |
| assert.sameValue( |
| sample[0], 0n, |
| "'0.000001' - does not change the value for [0]" |
| ); |
| assert.sameValue( |
| sample["0.000001"], |
| undefined, |
| "'0.000001' - does not define a value for ['0.000001']" |
| ); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "1.1", { |
| value: 42n, |
| configurable: false, |
| enumerable: true, |
| writable: true |
| }), |
| false, |
| "1.1" |
| ); |
| assert.sameValue(sample[1], 0n, "'1.1' - does not change the value for [1]"); |
| assert.sameValue( |
| sample["1.1"], |
| undefined, |
| "'1.1' - does not define a value for ['1.1']" |
| ); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "Infinity", { |
| value: 42n, |
| configurable: false, |
| enumerable: true, |
| writable: true |
| }), |
| false, |
| "Infinity" |
| ); |
| assert.sameValue( |
| sample[0], 0n, |
| "'Infinity' - does not change the value for [0]" |
| ); |
| assert.sameValue( |
| sample[1], 0n, |
| "'Infinity' - does not change the value for [1]" |
| ); |
| assert.sameValue( |
| sample["Infinity"], |
| undefined, |
| "'Infinity' - does not define a value for ['Infinity']" |
| ); |
| |
| assert.sameValue( |
| Reflect.defineProperty(sample, "-Infinity", { |
| value: 42n, |
| configurable: false, |
| enumerable: true, |
| writable: true |
| }), |
| false, |
| "-Infinity" |
| ); |
| assert.sameValue( |
| sample[0], 0n, |
| "'-Infinity' - does not change the value for [0]" |
| ); |
| assert.sameValue( |
| sample[1], 0n, |
| "'-Infinity' - does not change the value for [1]" |
| ); |
| assert.sameValue( |
| sample["-Infinity"], |
| undefined, |
| "'-Infinity' - does not define a value for ['-Infinity']" |
| ); |
| |
| }); |