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css mediaqueries : add tests for negated conditions #36911

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Dec 5, 2022
Merged

css mediaqueries : add tests for negated conditions #36911

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40 changes: 40 additions & 0 deletions css/mediaqueries/negation-001.html
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<!doctype html>
<html>
<head>
<title>Test: support for negated conditions in Media Queries</title>
<link rel="author" title="Romain Menke" href="https://github.com/romainmenke">
<link rel="help" href="https://www.w3.org/TR/mediaqueries-4/#media-conditions">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="Test passes if negated conditions are correctly evaluated.">
<style>
div {
background-color: red;
height: 20px;
width: 100px;
}
@media not print {
.test1 { background: green; }
}
@media not (monochrome) {
.test2 { background: green; }
}
@media (not (monochrome)) {
.test3 { background: green; }
}
@media not (not (color)) {
.test4 { background: green; }
}
@media not ((unknown) or (monochrome)) {
.test5 { background: green; }
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="test1"></div>
<div class="test2"></div>
<div class="test3"></div>
<div class="test4"></div>
<div class="test5"></div>
</body>
</html>
44 changes: 44 additions & 0 deletions css/mediaqueries/negation-002.html
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<!doctype html>
<html>
<head>
<title>Test: It is invalid to mix "and" and "or" and "not" at the same level of a media query.</title>
<link rel="author" title="Romain Menke" href="https://github.com/romainmenke">
<link rel="help" href="https://www.w3.org/TR/mediaqueries-4/#media-conditions">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="Test passes if invalid combinations with 'not' do not apply.">
<style>
div {
background-color: red;
height: 25px;
width: 100px;
}

@media ((color) and (color)) {
/* Only green when the browser supports the general syntax */
div {
background-color: green;
}
}

@media (not (monochrome) and (color)) {
.test1 { background: red; }
}
@media (not (monochrome) or (color)) {
.test2 { background: red; }
}
@media ((color) and not (monochrome)) {
.test3 { background: red; }
}
@media ((color) or not (monochrome)) {
.test4 { background: red; }
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="test1"></div>
<div class="test2"></div>
<div class="test3"></div>
<div class="test4"></div>
</body>
</html>