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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/jit-test/tests/collections/key-equality-0.js
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
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Adding upstream version 86.0.1.upstream/86.0.1upstream
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);