1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/WeakSet-error.js b/js/src/jit-test/tests/collections/WeakSet-error.js
new file mode 100644
index 0000000000..4125aaba79
--- /dev/null
+++ b/js/src/jit-test/tests/collections/WeakSet-error.js
@@ -0,0 +1,22 @@
+load(libdir + "asserts.js");
+load(libdir + "iteration.js");
+
+function testMethod(name) {
+    var method = WeakSet.prototype[name];
+
+    assertThrowsInstanceOf(function() { method.call(1); }, TypeError);
+    assertThrowsInstanceOf(function() { method.call({}); }, TypeError);
+    assertThrowsInstanceOf(function() { method.call(new WeakMap); }, TypeError);
+    assertThrowsInstanceOf(function() { method.call(WeakSet.prototype); }, TypeError);
+}
+
+testMethod("has");
+testMethod("add");
+testMethod("delete");
+testMethod("clear");
+
+assertThrowsInstanceOf(function() { var ws = new WeakSet(); ws.add(1); }, TypeError);
+assertThrowsInstanceOf(function() { new WeakSet({[Symbol.iterator]: 2}) }, TypeError);
+assertEq(typeof [][Symbol.iterator], "function");
+
+assertThrowsInstanceOf(function() { WeakSet(); }, TypeError);