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[css-values] Add tests for basic min() / max() support #19819

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Oct 22, 2019
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28 changes: 28 additions & 0 deletions css/css-values/attr-in-max.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Values and Units Test: attr() in max()</title>

<meta name="assert" content="The attr() function notation is allowed inside a max() notation.">
<link rel="author" title="Fuqiao Xue" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-values/#attr-notation">
<link rel="help" href="https://drafts.csswg.org/css-values/#calc-notation">
<link rel="match" href="reference/200-200-green.html">

<style>
html, body { margin: 0px; padding: 0px; }

html { background: white; overflow: hidden; }
#outer { position: relative; background: green; }

#outer { width: max(attr(data-test length)); height: 200px; }
</style>

</head>
<body>

<div id="outer" data-test="200px"></div>

</body>
</html>
27 changes: 27 additions & 0 deletions css/css-values/calc-in-max.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Values and Units Test: calc() in max()</title>

<meta name="assert" content="The calc() function notation is allowed inside a max() notation.">
<link rel="author" title="Fuqiao Xue" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-syntax">
<link rel="match" href="reference/all-green.html">

<style>
html, body { margin: 0px; padding: 0px; }

html { background: red; overflow: hidden; }
#outer { position: absolute; top: 0px; left: 0px; background: green; width: 100%; }

#outer { height: max(calc(100%)); }
</style>

</head>
<body>

<div id="outer"></div>

</body>
</html>
27 changes: 27 additions & 0 deletions css/css-values/max-20-arguments.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Values and Units Test: max() with 20 arguments</title>

<meta name="assert" content="UAs must support math function expressions of at least 20 terms.">
<link rel="author" title="Fuqiao Xue" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-syntax">
<link rel="match" href="reference/all-green.html">

<style>
html, body { margin: 0px; padding: 0px; }
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This is indented very deeply. It's probably best to replace tabs with spaces so that we're all seeing the same thing, since tabs can be any number of spaces...


html { background: red; overflow: hidden; }
#outer { position: absolute; top: 0px; left: 0px; background: green; width: 100%; }

#outer { height: max(5%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, 100%); }
</style>

</head>
<body>

<div id="outer"></div>

</body>
</html>
33 changes: 33 additions & 0 deletions css/css-values/max-unitless-zero-invalid.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,33 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Values and Units Test: min() with unitless 0</title>

<meta name="assert" content="Unitless 0 isn't supported in math functions.">
<link rel="author" title="Fuqiao Xue" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-values/#calc-type-checking">
<link rel="match" href="reference/all-green.html">

<style>
html, body { margin: 0px; padding: 0px; }

html { background: red; overflow: hidden; }
#outer { position: absolute; top: 0px; left: 0px; background: green; width: 100%; }

#outer {
/* Assert that min() is supported */
height: min(100%);

/* The min() expression (thus the declaration) should be invalid */
height: min(0, 100%);
}
</style>

</head>
<body>

<div id="outer"></div>

</body>
</html>