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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/tests/collections/key-equality-0.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/collections/key-equality-0.js')
-rw-r--r--js/src/jit-test/tests/collections/key-equality-0.js43
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/key-equality-0.js b/js/src/jit-test/tests/collections/key-equality-0.js
new file mode 100644
index 0000000000..7f9da8c2bd
--- /dev/null
+++ b/js/src/jit-test/tests/collections/key-equality-0.js
@@ -0,0 +1,43 @@
+// -0 is treated as the same key as +0.
+
+var s = new Set;
+s.add(-0);
+assertEq(s.has(0), true);
+assertEq(s.has(-0), true);
+
+assertEq(s.delete(0), true);
+assertEq(s.has(-0), false);
+assertEq(s.has(0), false);
+
+s.add(0);
+assertEq(s.has(0), true);
+assertEq(s.has(-0), true);
+assertEq(s.delete(-0), true);
+assertEq(s.has(-0), false);
+assertEq(s.has(0), false);
+
+var m = new Map;
+m.set(-0, 'x');
+assertEq(m.has(0), true);
+assertEq(m.get(0), 'x');
+assertEq(m.has(-0), true);
+assertEq(m.get(-0), 'x');
+
+assertEq(m.delete(0), true);
+assertEq(m.has(-0), false);
+assertEq(m.get(-0), undefined);
+assertEq(m.has(0), false);
+assertEq(m.get(0), undefined);
+
+m.set(-0, 'x');
+m.set(0, 'y');
+assertEq(m.has(0), true);
+assertEq(m.get(0), 'y');
+assertEq(m.has(-0), true);
+assertEq(m.get(-0), 'y');
+
+assertEq(m.delete(-0), true);
+assertEq(m.has(0), false);
+assertEq(m.get(0), undefined);
+assertEq(m.has(-0), false);
+assertEq(m.get(-0), undefined);