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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/jit-test/tests/for-of/array-holes-4.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/for-of/array-holes-4.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/array-holes-4.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/array-holes-4.js b/js/src/jit-test/tests/for-of/array-holes-4.js new file mode 100644 index 0000000000..e4a8770260 --- /dev/null +++ b/js/src/jit-test/tests/for-of/array-holes-4.js @@ -0,0 +1,13 @@ +// for-of on an Array consults the prototype chain when it encounters a hole. + +load(libdir + "iteration.js"); + +var m = {1: 'peek'}; +var a = [0, , 2, 3]; +a.__proto__ = m; +var log = []; +Object.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator]; +for (var x of a) + log.push(x); +assertEq(log[1], 'peek'); +assertEq(log.join(), "0,peek,2,3"); |