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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/Map-delete.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/Map-delete.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-delete.js | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-delete.js b/js/src/jit-test/tests/collections/Map-delete.js new file mode 100644 index 0000000000..d200eb873f --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-delete.js @@ -0,0 +1,18 @@ +// Map.prototype.delete works whether the key is present or not. + +var m = new Map; +var key = {}; + +// when the map is new +assertEq(m.delete(key), false); +assertEq(m.has(key), false); + +// when the key is present +assertEq(m.set(key, 'x'), m); +assertEq(m.delete(key), true); +assertEq(m.has(key), false); +assertEq(m.get(key), undefined); + +// when the key has already been deleted +assertEq(m.delete(key), false); +assertEq(m.has(key), false); |