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Diffstat (limited to 'js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/key-is-numericindex.js')
-rw-r--r-- | js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/key-is-numericindex.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/key-is-numericindex.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/key-is-numericindex.js new file mode 100644 index 0000000000..0b45de3189 --- /dev/null +++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/internals/DefineOwnProperty/key-is-numericindex.js @@ -0,0 +1,47 @@ +// 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 true after setting a valid numeric index key +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 + If ! IsValidIntegerIndex(O, numericIndex) is false, return false. + If IsAccessorDescriptor(Desc) is true, return false. + If Desc has a [[Configurable]] field and if Desc.[[Configurable]] is false, return false. + If Desc has an [[Enumerable]] field and if Desc.[[Enumerable]] is false, return false. + If Desc has a [[Writable]] field and if Desc.[[Writable]] is false, return false. + If Desc has a [[Value]] field, then + Let value be Desc.[[Value]]. + Return ? IntegerIndexedElementSet(O, numericIndex, value). + +includes: [testTypedArray.js] +features: [Reflect, TypedArray] +---*/ + +testWithTypedArrayConstructors(function(TA) { + var sample = new TA([42, 42]); + + assert.sameValue( + Reflect.defineProperty(sample, "0", { + value: 8, + configurable: true, + enumerable: true, + writable: true + }), + true + ); + + assert.sameValue(sample[0], 8, "property value was set"); + let descriptor0 = Object.getOwnPropertyDescriptor(sample, "0"); + assert.sameValue(descriptor0.value, 8); + assert.sameValue(descriptor0.configurable, true); + assert.sameValue(descriptor0.enumerable, true); + assert.sameValue(descriptor0.writable, true); +}); + +reportCompare(0, 0); |