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-rw-r--r--js/src/tests/non262/Symbol/keyFor.js15
1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/non262/Symbol/keyFor.js b/js/src/tests/non262/Symbol/keyFor.js
new file mode 100644
index 0000000000..868c3bda74
--- /dev/null
+++ b/js/src/tests/non262/Symbol/keyFor.js
@@ -0,0 +1,15 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+assertEq(Symbol.keyFor(Symbol.for("moon")), "moon");
+assertEq(Symbol.keyFor(Symbol.for("")), "");
+assertEq(Symbol.keyFor(Symbol("moon")), undefined);
+assertEq(Symbol.keyFor(Symbol.iterator), undefined);
+
+assertThrowsInstanceOf(() => Symbol.keyFor(), TypeError);
+assertThrowsInstanceOf(() => Symbol.keyFor(Object(Symbol("moon"))), TypeError);
+
+assertEq(Symbol.keyFor.length, 1);
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);