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-rw-r--r--js/src/jit-test/tests/collections/WeakSet-constructor-1.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/WeakSet-constructor-1.js b/js/src/jit-test/tests/collections/WeakSet-constructor-1.js
new file mode 100644
index 000000000..ce03f22de
--- /dev/null
+++ b/js/src/jit-test/tests/collections/WeakSet-constructor-1.js
@@ -0,0 +1,11 @@
+// The WeakSet constructor creates an empty WeakSet by default.
+
+load(libdir + "asserts.js");
+
+new WeakSet();
+new WeakSet(undefined);
+new WeakSet(null);
+
+assertThrowsInstanceOf(() => WeakSet(), TypeError);
+assertThrowsInstanceOf(() => WeakSet(undefined), TypeError);
+assertThrowsInstanceOf(() => WeakSet(null), TypeError);