diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
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/15.2.3.6-4-14.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/15.2.3.6-4-14.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-14.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-14.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-14.js new file mode 100644 index 0000000000..f84d14edad --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-14.js @@ -0,0 +1,41 @@ +// 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 9b of + [[DefineOwnProperty]] permits changing the kind of a property. +es5id: 15.2.3.6-4-14 +description: > + Object.defineProperty permits changing data property to accessor + property for configurable properties +---*/ + +var o = {}; + +// create a data property. In this case, +// [[Enumerable]] and [[Configurable]] are true +o["foo"] = 101; + +// changing "foo" to be an accessor 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 + +// dummy getter +var getter = function() { + return 1; +} +var d1 = { + get: getter +}; +Object.defineProperty(o, "foo", d1); + +var d2 = Object.getOwnPropertyDescriptor(o, "foo"); + +assert.sameValue(d2.get, getter, 'd2.get'); +assert.sameValue(d2.enumerable, true, 'd2.enumerable'); +assert.sameValue(d2.configurable, true, 'd2.configurable'); + +reportCompare(0, 0); |