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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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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/collections/Set-iterator-remove-1.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/collections/Set-iterator-remove-1.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Set-iterator-remove-1.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-iterator-remove-1.js b/js/src/jit-test/tests/collections/Set-iterator-remove-1.js new file mode 100644 index 0000000000..31ac12f1ac --- /dev/null +++ b/js/src/jit-test/tests/collections/Set-iterator-remove-1.js @@ -0,0 +1,26 @@ +// A set iterator can cope with removing the current entry. + +function test(letters, toRemove) { + var set = new Set(letters); + toRemove = new Set(toRemove); + + var leftovers = [...set].filter(x => !toRemove.has(x)).join(""); + + var log = ""; + for (let x of set) { + log += x; + if (toRemove.has(x)) + set.delete(x); + } + assertEq(log, letters); + + var remaining = [...set].join(""); + assertEq(remaining, leftovers); +} + +test('a', 'a'); // removing the only entry +test('abc', 'a'); // removing the first entry +test('abc', 'b'); // removing a middle entry +test('abc', 'c'); // removing the last entry +test('abc', 'abc') // removing all entries + |