1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/scroll-to-top.html b/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/scroll-to-top.html
new file mode 100644
index 0000000000..bf62e4cd55
--- /dev/null
+++ b/testing/web-platform/tests/html/browsers/browsing-the-web/scroll-to-fragid/scroll-to-top.html
@@ -0,0 +1,56 @@
+<!doctype html>
+<title>Fragment Navigation: When fragid is TOP scroll to the top of the document</title>
+<meta name=timeout content=long>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<div></div>
+<div id="not-the-top"></div>
+<div style="height:200em"></div>
+<script>
+var steps = [{
+    fragid:'not-the-top',
+    handler: function(){
+      assert_not_equals( document.scrollingElement.scrollTop, 0 );
+    }
+  },{
+    fragid:'top',
+    handler: function(){
+      assert_equals( document.scrollingElement.scrollTop, 0 );
+    }
+  },{
+    fragid:'not-the-top',
+    handler: function(){
+      assert_not_equals( document.scrollingElement.scrollTop, 0 );
+    }
+  },{
+    fragid:'TOP',
+    handler: function(){
+      assert_equals( document.scrollingElement.scrollTop, 0 );
+    }
+  }];
+
+function runNextStep(){
+    if( steps.length > 0 ) {
+      var step = steps.shift();
+      var listener = t.step_func( function(){
+        step.handler();
+        runNextStep();
+      });
+      scrollToFragmentThenDo( step.fragid, listener );
+    } else {
+      t.done();
+    }
+}
+
+function scrollToFragmentThenDo( fragid, then ){
+  location.hash = fragid;
+  setTimeout( then, 1 );
+}
+
+var t = async_test();
+t.step( function(){
+  assert_equals(location.hash, "", "Page must be loaded with no hash");
+  runNextStep();
+})
+</script>