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Diffstat (limited to 'test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/non-extensible-new-key.js')
-rw-r--r-- | test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/non-extensible-new-key.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/non-extensible-new-key.js b/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/non-extensible-new-key.js new file mode 100644 index 000000000..5357f3bc0 --- /dev/null +++ b/test/built-ins/TypedArrays/internals/DefineOwnProperty/BigInt/non-extensible-new-key.js @@ -0,0 +1,44 @@ +// 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: > + Can't define a new non-numerical key on a non-extensible instance +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] +features: [BigInt, Reflect, TypedArray] +---*/ + +testWithBigIntTypedArrayConstructors(function(TA) { + var sample = new TA(convertToBigInt([42, 43])); + Object.preventExtensions(sample); + + assert.sameValue( + Reflect.defineProperty(sample, "foo", {value:42}), + false, + "return false on a non-extensible object - data descriptor" + ); + + assert.sameValue(Object.getOwnPropertyDescriptor(sample, "foo"), undefined); + + assert.sameValue( + Reflect.defineProperty(sample, "bar", { + get: function() {}, + set: function() {}, + enumerable: false, + configurable: true + }), + false, + "return false on a non-extensible object - accessor descriptor" + ); + + assert.sameValue(Object.getOwnPropertyDescriptor(sample, "bar"), undefined); +}); |