test_sizetocontent_clamp.html

Enable keyboard shortcuts

<!DOCTYPE HTML>

<html>

<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=764240

-->

<head>

  <meta charset="utf-8">

  <title>Test for Bug 764240</title>

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

  <script src="/tests/SimpleTest/EventUtils.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=764240">Mozilla Bug 764240</a>

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

<div id="content">

  <button onclick="test();">run test</button>

</div>

<pre id="test">

<script type="application/javascript">

/** Test for Bug 764240 **/

SimpleTest.waitForExplicitFinish();

// Error margin allowed for the window's size. Windows has varying minimum

// sizes depending on the os due to outer window chrome. Unix is given 5

// pixels to protect against minor variances.

var epsilon =  !navigator.platform.includes("Win") ? 5 : 20;

// Windows 8 has a minimum 122 pixel inner window width due to

// outer window chrome.

var isWin8 = (navigator.userAgent.includes("Windows NT 6.2"));

var innerWidthMin = (isWin8 ? 120 : 100);

var innerWidthMax = (isWin8 ? 125 : 100);

// Window size with CSD decorations is 180 pixels

if (navigator.platform.includes("Linux")) {

  innerWidthMax = 180;

var isExecuted = false;

function test() {

  var w = window.open('file_empty.html', null, 'width=300,height=300');

  SimpleTest.waitForFocus(function() {

    w.onresize = function() {

      info(`got resize: ${w.innerWidth} ${w.innerHeight}`);

      if (w.innerWidth > 300 - epsilon || isExecuted) {

        return;

      isExecuted = true;

      ok(w.innerWidth + epsilon >= innerWidthMin && w.innerWidth - epsilon <= innerWidthMax,

         "innerWidth should be between " + innerWidthMin + " and " + innerWidthMax + " but it was: " + w.innerWidth);

      ok(w.innerHeight + epsilon >= 100 && w.innerHeight - epsilon <= 100,

         "innerHeight should be around 100" + " but it was: " + w.innerHeight);

      w.close();

      SimpleTest.waitForFocus(function() {

        SimpleTest.finish();

});

};

    w.sizeToContent();

  }, w);

SimpleTest.waitForFocus(function() {

  synthesizeMouseAtCenter(document.getElementsByTagName('button')[0], {});

});

</script>

</pre>

</body>

</html>