1 files changed, 60 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_inspector-scroll-into-view.html b/devtools/server/tests/chrome/test_inspector-scroll-into-view.html
new file mode 100644
index 0000000000..a107f9ba4a
--- /dev/null
+++ b/devtools/server/tests/chrome/test_inspector-scroll-into-view.html
@@ -0,0 +1,60 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=901250
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug 901250</title>
+
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+  <script type="application/javascript" src="inspector-helpers.js"></script>
+  <script type="application/javascript">
+"use strict";
+
+window.onload = async function() {
+  SimpleTest.waitForExplicitFinish();
+
+  const url = document.getElementById("inspectorContent").href;
+  const { target, doc } = await attachURL(url);
+  const inspector = await target.getFront("inspector");
+  const walker = inspector.walker;
+
+  const id = "#scroll-into-view";
+  let rect = doc.querySelector(id).getBoundingClientRect();
+  const nodeFront = await walker.querySelector(walker.rootNode, id);
+  let inViewport = rect.x >= 0 &&
+                   rect.y >= 0 &&
+                   rect.y <= doc.defaultView.innerHeight &&
+                   rect.x <= doc.defaultView.innerWidth;
+
+  ok(!inViewport, "Element is not in viewport initially");
+
+  await nodeFront.scrollIntoView();
+
+  await new Promise(res => SimpleTest.executeSoon(res));
+
+  rect = doc.querySelector(id).getBoundingClientRect();
+  inViewport = rect.x >= 0 &&
+                rect.y >= 0 &&
+                rect.y <= doc.defaultView.innerHeight &&
+                rect.x <= doc.defaultView.innerWidth;
+  ok(inViewport, "Element is in viewport after calling nodeFront.scrollIntoView");
+
+  await target.destroy();
+  SimpleTest.finish();
+};
+  </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=901250">Mozilla Bug 901250</a>
+<a id="inspectorContent" target="_blank" href="inspector-traversal-data.html">Test Document</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>