1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-clear-3.js b/js/src/jit-test/tests/collections/Set-clear-3.js
new file mode 100644
index 000000000..0fe138212
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-clear-3.js
@@ -0,0 +1,10 @@
+// Clearing a Set with a nontrivial number of elements works.
+
+var s = new Set();
+for (var i = 0; i < 100; i++)
+    s.add(i);
+assertEq(s.size, i);
+s.clear();
+assertEq(s.size, 0);
+s.add(12);
+assertEq(s.has(12), true);