embedding/test/test_window_open_position_constraint.html
author Jonathan Kew <jkew@mozilla.com>
Thu, 20 Mar 2014 09:46:43 +0000
changeset 174431 9456eb36466e46e21568d20856680f87524878aa
child 174996 11de6e9e48d4a7f442597d5bebd7bde22f5f2f3a
permissions -rw-r--r--
bug 978847 - test for window opened at extreme off-screen coordinates. r=roc

<!DOCTYPE HTML>
<html>
<head>
  <title>Test for Bug 978847</title>
  <script type="text/javascript" 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=978847">Mozilla Bug 978847</a>
<p id="display"></p>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();

SimpleTest.waitForFocus(function() {
  var x;
  var y;

  // window should be constrained to the screen rect,
  // which we assume is less than 10000px square
  var w1 = window.open("about:blank", "", "left=16000,top=16000,width=100,height=100");
  SimpleTest.waitForFocus(function() {
    ok(w1.screenX < 10000 && w1.screenY < 10000,
       "window should not be opened off-screen: got location " +
       w1.screenX + "," + w1.screenY);
    x = w1.screenX;
    y = w1.screenY;
    w1.close();
  }, w1, true);

  // larger window dimensions should result in a shift of the constrained location
  var w2 = window.open("about:blank", "", "left=16000,top=16000,width=150,height=150");
  SimpleTest.waitForFocus(function() {
    ok(w2.screenX == x - 50 && w2.screenY == y - 50,
       "constrained window position did not depend on size as expected: got " +
       w2.screenX + "," + w2.screenY + ", expected " + (x - 50) + "," + (y - 50));
    w2.close();
  }, w2, true);

  // now try with coordinates that are close to MAXINT,
  // so adding width/height risks 32-bit integer overflow
  var w3 = window.open("about:blank", "", "left=2147483600,top=2147483600,width=100,height=100");
  SimpleTest.waitForFocus(function() {
    ok(w3.screenX < 10000 && w3.screenY < 10000,
       "window should not be opened off-screen: got location " +
       w3.screenX + "," + w3.screenY);
    w3.close();
    SimpleTest.finish();
  }, w3, true);

}, window, false);

</script>
</pre>
</body>
</html>