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/jit-test/tests/arguments/iterator-set-and-redefine.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/jit-test/tests/arguments/iterator-set-and-redefine.js')
-rw-r--r-- | js/src/jit-test/tests/arguments/iterator-set-and-redefine.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/iterator-set-and-redefine.js b/js/src/jit-test/tests/arguments/iterator-set-and-redefine.js new file mode 100644 index 0000000000..bcf182790f --- /dev/null +++ b/js/src/jit-test/tests/arguments/iterator-set-and-redefine.js @@ -0,0 +1,33 @@ +function mapped() { + var Iterator = {}; + + // First overwrite the iterator. + arguments[Symbol.iterator] = Iterator; + + // And then redefine a property attribute. + Object.defineProperty(arguments, Symbol.iterator, { + writable: false + }); + + // Make sure redefining an attribute doesn't reset the iterator value. + assertEq(arguments[Symbol.iterator], Iterator); +} +mapped(); + +function unmapped() { + "use strict"; + + var Iterator = {}; + + // First overwrite the iterator. + arguments[Symbol.iterator] = Iterator; + + // And then redefine a property attribute. + Object.defineProperty(arguments, Symbol.iterator, { + writable: false + }); + + // Make sure redefining an attribute doesn't reset the iterator value. + assertEq(arguments[Symbol.iterator], Iterator); +} +unmapped(); |