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<!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();
// 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();
// 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);
}, w2, true);
}, w1, true);
}, window, false);
</script>
</pre>
</body>
</html>
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