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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/object/proto-property-change-writability-set.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/object/proto-property-change-writability-set.js')
-rw-r--r-- | js/src/tests/non262/object/proto-property-change-writability-set.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/non262/object/proto-property-change-writability-set.js b/js/src/tests/non262/object/proto-property-change-writability-set.js new file mode 100644 index 0000000000..d81f844e93 --- /dev/null +++ b/js/src/tests/non262/object/proto-property-change-writability-set.js @@ -0,0 +1,56 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + * Contributors: + * Gary Kwong + * Jeff Walden + * Jason Orendorff + */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 713944; +var summary = + "Don't assert anything about a shape from the property cache until it's " + + "known the cache entry matches"; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +var accDesc = { set: function() {} }; +var dataDesc = { value: 3 }; + +function f() +{ + propertyIsEnumerable = {}; +} +function g() +{ + propertyIsEnumerable = {}; +} + +Object.defineProperty(Object.prototype, "propertyIsEnumerable", accDesc); +f(); +Object.defineProperty(Object.prototype, "propertyIsEnumerable", dataDesc); +assertEq(propertyIsEnumerable, 3); +f(); +assertEq(propertyIsEnumerable, 3); +g(); +assertEq(propertyIsEnumerable, 3); + + + +var a = { p1: 1, p2: 2 }; +var b = Object.create(a); +Object.defineProperty(a, "p1", {set: function () {}}); +for (var i = 0; i < 2; i++) +{ + b.p1 = {}; + Object.defineProperty(a, "p1", {value: 3}); +} +assertEq(b.p1, 3); +assertEq(a.p1, 3); + +reportCompare(true, true); |