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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/class/superPropStrictAssign.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/class/superPropStrictAssign.js')
-rw-r--r-- | js/src/tests/non262/class/superPropStrictAssign.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/superPropStrictAssign.js b/js/src/tests/non262/class/superPropStrictAssign.js new file mode 100644 index 0000000000..4b5444a3cf --- /dev/null +++ b/js/src/tests/non262/class/superPropStrictAssign.js @@ -0,0 +1,23 @@ +// While |super| is common in classes, it also works in object litterals, +// where there is no guarantee of strict mode. Check that we do not somehow +// get strict mode semantics when they were not called for + +// |undefined|, writable: false +Object.defineProperty(Object.prototype, "prop", { writable: false }); + +class strictAssignmentTest { + constructor() { + // Strict mode. Throws. + super.prop = 14; + } +} + +assertThrowsInstanceOf(()=>new strictAssignmentTest(), TypeError); + +// Non-strict. Silent failure. +({ test() { super.prop = 14; } }).test(); + +assertEq(Object.prototype.prop, undefined); + +if (typeof reportCompare === 'function') + reportCompare(0,0,"OK"); |