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Base: Add test for a box placed over links with negative z-index

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In this test, a set of links has a background box placed behind them via
a negative z-index. The expectation is that a hit test on a link during
a mouse-move event should select that link, and not the background box.
This commit is contained in:
Timothy Flynn 2021-03-31 10:23:39 -04:00 • committed by Andreas Kling
parent cbd62c472e
commit 2cc10c62ee
2 changed files with 48 additions and 0 deletions
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47
Base/res/html/misc/link-over-zindex-block.html Normal file
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@ -0,0 +1,47 @@
<style>
ul {
margin: 0;
padding: 0;
text-align: center;
list-style-type: none;
}
a {
color: black;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
#contents {
position: relative;
overflow: hidden;
}
#links {
width: 110px;
float: left;
padding: 5px;
}
#background {
width: 120px;
position: absolute;
float: left;
left: 0;
bottom: 0;
top: 0;
background: cyan;
border: 1px solid black;
z-index: -10000;
}
</style>
<body>
<div id=contents>
<div id=links>
<ul>
<li><a href="welcome.html">Home 1</a></li>
<li><a href="welcome.html">Home 2</a></li>
<li><a href="welcome.html">Home 3</a></li>
</ul>
</div>
<div id=background></div>
</div>
</body>

1
Base/res/html/misc/welcome.html
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@ -38,6 +38,7 @@ span#loadtime {
<p>This page loaded in <b><span id="loadtime"></span></b> ms</p>
<p>Some small test pages:</p>
<ul>
<li><a href="link-over-zindex-block.html">link elements with background box placed with z-index</a></li>
<li><a href="contenteditable.html">contenteditable</a></li>
<li><a href="clear-1.html">clearing floats</a></li>
<li><a href="float-1.html">floating boxes</a></li>