1 files changed, 18 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/nodes/getElementsByClassName-04.htm b/testing/web-platform/tests/dom/nodes/getElementsByClassName-04.htm
new file mode 100644
index 0000000000..0c62fed2c5
--- /dev/null
+++ b/testing/web-platform/tests/dom/nodes/getElementsByClassName-04.htm
@@ -0,0 +1,18 @@
+<!doctype html>
+<html class="a">
+ <head>
+  <title>document.getElementsByClassName(): changing classes</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body class="a">
+  <div id="log"></div>
+  <script>
+   test(function() {
+          var collection = document.getElementsByClassName("a");
+          document.body.className += "\tb";
+          assert_array_equals(collection, [document.documentElement, document.body]);
+        })
+  </script>
+ </body>
+</html>