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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-set-size.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.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-set-size.js')
-rw-r--r-- | js/src/jit-test/tests/collections/Map-set-size.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-set-size.js b/js/src/jit-test/tests/collections/Map-set-size.js new file mode 100644 index 0000000000..3c4a13c85e --- /dev/null +++ b/js/src/jit-test/tests/collections/Map-set-size.js @@ -0,0 +1,14 @@ +// map.set(k, v) increments the map size iff map didn't already have an entry for k. + +var m = new Map(); +m.set('a', 0); +assertEq(m.size, 1); +m.set('a', 0); +assertEq(m.size, 1); +m.set('a', undefined); +assertEq(m.size, 1); + +m.set('b', 2); +assertEq(m.size, 2); +m.set('a', 1); +assertEq(m.size, 2); |