1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit-test/lib/range.js b/js/src/jit-test/lib/range.js
new file mode 100644
index 000000000..e37c6351e
--- /dev/null
+++ b/js/src/jit-test/lib/range.js
@@ -0,0 +1,22 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Library file for tests to load.
+
+function Range(start, stop) {
+    this.i = start;
+    this.stop = stop;
+}
+Range.prototype = {
+    __iterator__: function() { return this; },
+    next: function() {
+        if (this.i >= this.stop)
+            throw StopIteration;
+        return this.i++;
+    }
+};
+
+function range(start, stop) {
+    return new Range(start, stop);
+}