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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/15.2.3.6-4-15.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/15.2.3.6-4-15.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js new file mode 100644 index 0000000000..a79cef36b7 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-15.js @@ -0,0 +1,43 @@ +// 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. For configurable properties, step 9c of + [[DefineOwnProperty]] permits changing the kind of a property. +es5id: 15.2.3.6-4-15 +description: > + Object.defineProperty permits changing accessor property to data + property for configurable properties +---*/ + +var o = {}; + +// define an accessor property +// dummy getter +var getter = function() { + return 1; +} +var d1 = { + get: getter, + configurable: true +}; +Object.defineProperty(o, "foo", d1); + +// changing "foo" to be a data valued property should succeed, since +// [[Configurable]] on the original property will be true. Existing +// values of [[Configurable]] and [[Enumerable]] need to be preserved +// and the rest need to be set to their default values. +var desc = { + value: 101 +}; +Object.defineProperty(o, "foo", desc); +var d2 = Object.getOwnPropertyDescriptor(o, "foo"); + +assert.sameValue(d2.value, 101, 'd2.value'); +assert.sameValue(d2.writable, false, 'd2.writable'); +assert.sameValue(d2.enumerable, false, 'd2.enumerable'); +assert.sameValue(d2.configurable, true, 'd2.configurable'); + +reportCompare(0, 0); |