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-rw-r--r--js/src/jit-test/tests/collections/Map-surfaces-3.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Map-surfaces-3.js b/js/src/jit-test/tests/collections/Map-surfaces-3.js
new file mode 100644
index 000000000..41e072c91
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Map-surfaces-3.js
@@ -0,0 +1,14 @@
+// Map methods work when arguments are omitted.
+
+var m = new Map;
+assertEq(m.has(), false);
+assertEq(m.get(), undefined);
+assertEq(m.delete(), false);
+assertEq(m.has(), false);
+assertEq(m.get(), undefined);
+assertEq(m.set(), m);
+assertEq(m.has(), true);
+assertEq(m.get(), undefined);
+assertEq(m.delete(), true);
+assertEq(m.has(), false);
+assertEq(m.get(), undefined);