gecko-dev/layout/reftests/image-rect/background-draw-nothing-emp...

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<!DOCTYPE html>
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/licenses/publicdomain/
Makes sure that no image is drawn when an empty region of the source image
is specified by -moz-image-rect().
-->
<html>
<head>
<title>Testcases: -moz-image-rect() [bug 113577]</title>
<style>
div.wrapper {
width: 32px;
height: 32px;
margin: 10px;
background-color: red;
}
div.wrapper div {
width: 32px;
height: 32px;
background: no-repeat;
}
/* Zero width and height */
#test1 {
background-image: -moz-image-rect(url(green-16x16-in-blue-32x32.png), 0, 0, 0, 0);
}
/* Negative height */
#test2 {
background-image: -moz-image-rect(url(green-16x16-in-blue-32x32.png), 32, 32, 0, 0);
}
/* Image rect outside the source image */
#test3 {
background-image: -moz-image-rect(url(green-16x16-in-blue-32x32.png), 100, 200, 200, 100);
}
/* Negative height */
#test4 {
/* It is only after the source image size is available that it can be
determined if this image is empty or not. */
background-image: -moz-image-rect(url(green-16x16-in-blue-32x32.png), 16, 32, 50%, 16);
}
</style>
</head>
<body>
<div class="wrapper"><div id="test1"></div></div>
<div class="wrapper"><div id="test2"></div></div>
<div class="wrapper"><div id="test3"></div></div>
<div class="wrapper"><div id="test4"></div></div>
</body>
</html>