diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/for-of/array-iterator-shrinking.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/for-of/array-iterator-shrinking.js')
-rw-r--r-- | js/src/jit-test/tests/for-of/array-iterator-shrinking.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/for-of/array-iterator-shrinking.js b/js/src/jit-test/tests/for-of/array-iterator-shrinking.js new file mode 100644 index 0000000000..3963129dde --- /dev/null +++ b/js/src/jit-test/tests/for-of/array-iterator-shrinking.js @@ -0,0 +1,20 @@ +// If an array is truncated to the left of an iterator it, it.next() returns { done: true }. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); + +var arr = [0, 1, 2]; +var it = arr[Symbol.iterator](); +var ki = arr.keys(); +var ei = arr.entries(); + +assertIteratorNext(it, 0); +assertIteratorNext(it, 1); +assertIteratorNext(ki, 0); +assertIteratorNext(ki, 1); +assertIteratorNext(ei, [0, 0]); +assertIteratorNext(ei, [1, 1]); +arr.length = 1; +assertIteratorDone(it, undefined); +assertIteratorDone(ki, undefined); +assertIteratorDone(ei, undefined); |