test_bug462789.html

mozilla-central/layout/inspector/tests/test_bug462789.html

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Test Info:

Manifest: layout/inspector/tests/mochitest.toml

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=462789

-->

<head>

  <title>Test for Bug 462789</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462789">Mozilla Bug 462789</a>

<p id="display"><iframe id="bug462789_iframe" srcdoc="<html><head><style>*{color:black;}</style></head><body>xxx" style="display: none;"></iframe></p>

<div id="content" style="display: none">

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 462789 **/

const InspectorUtils = SpecialPowers.InspectorUtils;

function do_test() {

  const DOCUMENT_NODE_TYPE = 9;

  var iframe = document.getElementById("bug462789_iframe");

  var docElement = iframe.contentDocument.documentElement;

  var body = docElement.children[1];

  var rule = iframe.contentDocument.styleSheets[0].cssRules[0];

  var text = body.firstChild;

  try {

    var res = InspectorUtils.getCSSStyleRules(docElement);

    is(res.length, 0, "getCSSStyleRules");

    res = InspectorUtils.getCSSStyleRules(body);

    is(res.length, 0, "getCSSStyleRules");

  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {

    var res = InspectorUtils.getRuleLine(rule);

    is(res, 1, "getRuleLine");

  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {

    var res = InspectorUtils.isIgnorableWhitespace(text);

    is(res, false, "isIgnorableWhitespace");

  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {

    var res = InspectorUtils.getParentForNode(docElement, true);

    is(res.nodeType, DOCUMENT_NODE_TYPE, "getParentForNode(docElement, true)");

    res = InspectorUtils.getParentForNode(text, true);

    is(res.tagName, "BODY", "getParentForNode(text, true)");

  catch(e) { ok(false, "got an unexpected exception:" + e); }

  try {

    InspectorUtils.getContentState(docElement);

    ok(true, "Should not throw");

  catch(e) { ok(false, "Got an exception: " + e); }

  SimpleTest.finish();

SimpleTest.waitForExplicitFinish();

addLoadEvent(do_test);

</script>

</pre>

</body>

</html>