1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/jit-test/lib/iteration.js b/js/src/jit-test/lib/iteration.js
new file mode 100644
index 0000000000..b679014f7d
--- /dev/null
+++ b/js/src/jit-test/lib/iteration.js
@@ -0,0 +1,30 @@
+/* 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/. */
+
+
+load(libdir + "asserts.js");
+
+if (typeof assertIteratorResult === 'undefined') {
+    var assertIteratorResult = function assertIteratorResult(result, value, done) {
+        assertEq(typeof result, "object");
+        var expectedProps = ['done', 'value'];
+        var actualProps = Object.getOwnPropertyNames(result);
+        actualProps.sort(), expectedProps.sort();
+        assertDeepEq(actualProps, expectedProps);
+        assertDeepEq(result.value, value);
+        assertDeepEq(result.done, done);
+    }
+}
+
+if (typeof assertIteratorNext === 'undefined') {
+    var assertIteratorNext = function assertIteratorNext(iter, value) {
+        assertIteratorResult(iter.next(), value, false);
+    }
+}
+
+if (typeof assertIteratorDone === 'undefined') {
+    var assertIteratorDone = function assertIteratorDone(iter, value) {
+        assertIteratorResult(iter.next(), value, true);
+    }
+}