зеркало из https://github.com/mozilla/gecko-dev.git
27 строки
1.1 KiB
HTML
27 строки
1.1 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<style>
|
|
div { position: absolute; top: 0; left: 0; width: 100px; height: 100px; }
|
|
div.offset { left: 100px; }
|
|
div.offset2 { left: 200px; }
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<!-- Make sure the difference of the two z-index values overflows a 32-bit
|
|
signed int. So set the positive one to 2^30 + 1 and the negative one to
|
|
-(2^30 + 1). Then the difference is 2^31 + 2 which is negative when
|
|
treated as a 32-bit signed int. -->
|
|
<div style="background: green; z-index: 1073741825"></div>
|
|
<div style="background: red; z-index: -1073741825"></div>
|
|
<!-- Test clamping on the high end by setting the high z-index to
|
|
2^32 + 1 -->
|
|
<div class="offset" style="background: green; z-index: 4294967297"></div>
|
|
<div class="offset" style="background: red; z-index: 2"></div>
|
|
<!-- Test clamping on the low end by setting the low z-index to
|
|
-(2^32 + 1) -->
|
|
<div class="offset2" style="background: green; z-index: -2"></div>
|
|
<div class="offset2" style="background: red; z-index: -4294967297"></div>
|
|
</body>
|
|
</html>
|