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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/15.2.3.6-4-7.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/15.2.3.6-4-7.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-7.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-7.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-7.js new file mode 100644 index 0000000000..5bc108b476 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-7.js @@ -0,0 +1,36 @@ +// 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 7a of [[DefineOwnProperty]] rejects if + current.[[Configurable]] is false and desc.[[Configurable]] is true. +es5id: 15.2.3.6-4-7 +description: > + Object.defineProperty throws TypeError when changing + [[Configurable]] from false to true +---*/ + +var o = {}; + +// create a data valued property; all other attributes default to false. +var d1 = { + value: 101, + configurable: false +}; +Object.defineProperty(o, "foo", d1); + +var desc = { + value: 101, + configurable: true +}; +assert.throws(TypeError, function() { + Object.defineProperty(o, "foo", desc); +}); +// the property should remain unchanged. +var d2 = Object.getOwnPropertyDescriptor(o, "foo"); +assert.sameValue(d2.value, 101, 'd2.value'); +assert.sameValue(d2.configurable, false, 'd2.configurable'); + +reportCompare(0, 0); |