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system-color-hightlights-vs-getSelection-002.html
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system-color-hightlights-vs-getSelection-002.html
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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Color Test: system color highlights values versus getSelection().addRange(targetRange)</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-color-4/#css-system-colors">
<link rel="help" href="https://www.w3.org/TR/css-pseudo-4/#highlight-styling">
<link rel="match" href="reference/system-color-hightlights-vs-getSelection-002-ref.html">
<!--
Created: March 29th 2023
Last modified: July 12th 2023
Chromium bug report 932343 comment #c20: Issue 932343: Support text decoration properties in ::selection
https://bugs.chromium.org/p/chromium/issues/detail?id=932343#c20
Chromium bug report 1429019: Issue 1429019: [CSS4 Color] [CSS4 Pseudo] getSelection() color and background color should match system color highlights
https://bugs.chromium.org/p/chromium/issues/detail?id=1429019
WebKit Bug report 254691: [CSS4 Color] [CSS4 Pseudo] getSelection() color and background color should match system color highlights
https://bugs.webkit.org/show_bug.cgi?id=254691
-->
<meta content="" name="flags">
<meta content="This test checks that color and background color generated by window.getSelection().addRange(targetRange) correspond to system color highlights values when there is a non-transparent background color behind the tested range of text." name="assert">
<style>
div
{
font-size: 40px;
line-height: 1;
}
/*
https://www.w3.org/TR/css-pseudo-4/#highlight-bounds
For text, the corresponding overlay must cover at least
the entire em box and may extend further above/below the
em box to the line box edges.
*/
span.system-color-highlight
{
background-color: Highlight;
color: HighlightText;
}
/*
Highlight
Background of item(s) selected in a control.
https://www.w3.org/TR/css-color-4/#valdef-system-color-highlight
HighlightText
Text of item(s) selected in a control.
https://www.w3.org/TR/css-color-4/#valdef-system-color-highlighttext
CSS4 Color Module
5.2 System Colors
https://www.w3.org/TR/css-color-4/#css-system-colors
*/
</style>
<script type="text/javascript">
function startTest()
{
/* We first create an empty range */
var targetRange = document.createRange();
/* Then we select the node */
targetRange.selectNode(document.getElementById("getSelection"));
/* Finally, we now select such range of content */
window.getSelection().addRange(targetRange);
}
</script>
<body onload="startTest();">
<div style="background-color: yellow;">
<span id="getSelection">With getSelection()</span>
</div>
<div style="background-color: yellow;">
<span class="system-color-highlight">With system-color-highlight</span>
</div>