diff options
Diffstat (limited to 'test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-configurable.js')
-rw-r--r-- | test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-configurable.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-configurable.js b/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-configurable.js new file mode 100644 index 000000000..51fd77203 --- /dev/null +++ b/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/key-is-numericindex-desc-configurable.js @@ -0,0 +1,35 @@ +// 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.[[Configurable]] is true +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 + ... + viii. If Desc has a [[Configurable]] field and if Desc.[[Configurable]] is + true, return false. + ... +includes: [testBigIntTypedArray.js] +features: [BigInt, Reflect, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA(2); + + assert.sameValue( + Reflect.defineProperty(sample, "0", { + value: 42, + configurable: true, + enumerable: true, + writable: true + }), + false, + "defineProperty's result" + ); + assert.sameValue(sample[0], 0n, "side effect check"); +}); |