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-rw-r--r--js/src/jit-test/tests/collections/WeakMap-constructor-4.js6
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/WeakMap-constructor-4.js b/js/src/jit-test/tests/collections/WeakMap-constructor-4.js
new file mode 100644
index 000000000..6b87d66f5
--- /dev/null
+++ b/js/src/jit-test/tests/collections/WeakMap-constructor-4.js
@@ -0,0 +1,6 @@
+// new WeakMap(x) throws if x is not iterable (unless x is undefined).
+
+load(libdir + "asserts.js");
+var nonIterables = [true, 1, -0, 3.14, NaN, {}, Math, this];
+for (let k of nonIterables)
+ assertThrowsInstanceOf(function () { new WeakMap(k); }, TypeError);