test_inspector-scroll-into-view.html

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<!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>