1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-constructor-generator-1.js b/js/src/jit-test/tests/collections/Set-constructor-generator-1.js
new file mode 100644
index 0000000000..c9c760f7ef
--- /dev/null
+++ b/js/src/jit-test/tests/collections/Set-constructor-generator-1.js
@@ -0,0 +1,12 @@
+// The argument to Set can be a generator.
+
+function* hexData(n) {
+    for (var i = 0; i < n; i++)
+        yield i.toString(16);
+}
+
+var s = new Set(hexData(256));
+assertEq(s.size, 256);
+assertEq(s.has("0"), true);
+assertEq(s.has(0), false);
+assertEq(s.has("ff"), true);