test_bug1443344-1.html

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<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=1443344

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 1443344</title>

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

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

  <script type="application/javascript">

  /** Test for Bug 1443344 **/

  SimpleTest.waitForExplicitFinish();

  var sheetURL = new URL("file_bug1443344.css", location.href);

  sheetURL.protocol = "http";

  var link = document.createElement("link");

  link.href = `data:text/css,@import url("${sheetURL}");`

  link.rel = "stylesheet";

  var loadFired = false, errorFired = false;

  link.onload = () => loadFired = true;

  link.onerror = () => errorFired = true;

  document.head.appendChild(link);

  addLoadEvent(() => {

    is(loadFired, false, "Should not fire onload for erroring @import");

    is(errorFired, true, "Should fire onerror for erroring @import");

    is(getComputedStyle($("importTarget")).color, "rgb(0, 255, 0)",

       "Erroring sheet should not load");

    SimpleTest.finish();

});

  </script>

  <style>

    #importTarget { color: rgb(0, 255, 0); }

  </style>

</head>

<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1443344">Mozilla Bug 1443344</a>

<p id="display"><div id="importTarget"></div></p>

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

</div>

<pre id="test">

</pre>

</body>

</html>