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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js new file mode 100644 index 0000000000..ac7627a639 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-6.js @@ -0,0 +1,46 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: | + Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method + of O to define the property. Step 6 of [[DefineOwnProperty]] returns if + every field of desc also occurs in current and every field in desc has + the same value as current. +es5id: 15.2.3.6-4-6 +description: > + Object.defineProperty is no-op if current and desc are the same + accessor desc +---*/ + +function sameAccessorDescriptorValues(d1, d2) { + return (d1.get == d2.get && + d1.enumerable == d2.enumerable && + d1.configurable == d2.configurable); +} + +var o = {}; + +// create an accessor property with the following attributes: +// enumerable: true, configurable: true +var desc = { + get: function() {}, + enumerable: true, + configurable: true +}; + +Object.defineProperty(o, "foo", desc); + +// query for, and save, the desc. A subsequent call to defineProperty +// with the same desc should not disturb the property definition. +var d1 = Object.getOwnPropertyDescriptor(o, "foo"); + +// now, redefine the property with the same descriptor +// the property defintion should not get disturbed. +Object.defineProperty(o, "foo", desc); + +var d2 = Object.getOwnPropertyDescriptor(o, "foo"); + +assert.sameValue(sameAccessorDescriptorValues(d1, d2), true, 'sameAccessorDescriptorValues(d1, d2)'); + +reportCompare(0, 0); |