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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Values and Units: calc() serialization of a summation (complex)</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-values-4/#compat">
<link rel="help" href="https://www.w3.org/TR/css-values-4/#calc-serialize">
<meta content="This test verifies how 11 summations of mixed length units are serialized. Absolute length units, relative length units, font-relative length units, viewport-percentage length units and percentage units are tested." name="assert">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="target"></div>
<script>
function startTesting()
{
var targetElement = document.getElementById("target");
function verifySerialization(specified_value, serialization_expected, description)
{
test(function()
{
targetElement.style.height = specified_value;
assert_equals(targetElement.style.height, serialization_expected);
}, description);
}
/*
"
Sort the terms in the following order:
The number, if present
The percentage, if present
The dimensions, ordered by their units ASCII case-insensitive alphabetically
"
https://www.w3.org/TR/css-values-4/#math-function-serialize-a-summation
cm centimeters 1cm = 96px/2.54
mm millimeters 1mm = 1/10th of 1cm
Q quarter-millimeters 1Q = 1/40th of 1cm
in inches 1in = 2.54cm = 96px
pc picas 1pc = 1/6th of 1in
pt points 1pt = 1/72th of 1in
px pixels 1px = 1/96th of 1in
*/
verifySerialization("calc(1vh + 2px + 3%)", "calc(3% + 2px + 1vh)", "testing calc(1vh + 2px + 3%)");
verifySerialization("calc(4px + 1vh)", "calc(4px + 1vh)", "testing calc(4px + 1vh)");
verifySerialization("calc(5px + 6em + 1vh)", "calc(6em + 5px + 1vh)", "testing calc(5px + 6em + 1vh)");
verifySerialization("calc(1vh - 7px)", "calc(-7px + 1vh)", "testing calc(1vh - 7px)");
verifySerialization("calc(-8px + 9em + 1vh)", "calc(9em - 8px + 1vh)", "testing calc(-8px + 9em + 1vh)");
verifySerialization("calc(1pc + 1in + 1vh + 10%)", "calc(10% + 112px + 1vh)", "testing calc(1pc + 1in + 1vh + 10%)");
/* verifySerialization(specified_value, serialization_expected, description) */
verifySerialization("calc(25.4q + 1vh + 12%)", "calc(12% + 24px + 1vh)", "testing calc(25.4q + 1vh + 12%)");
verifySerialization("calc(1em + 1.27cm + 13% + 3em)", "calc(13% + 4em + 48px)", "testing calc(1em + 1.27cm + 13% + 3em)");
verifySerialization("calc(1vmin - 14%)", "calc(-14% + 1vmin)", "testing calc(1vmin - 14%)");
verifySerialization("calc(15vw + 16vmin - 17vh)", "calc(-17vh + 16vmin + 15vw)", "testing calc(15vw + 16vmin - 17vh)");
verifySerialization("calc(-80px + 25.4mm)", "calc(16px)", "testing calc(-80px + 25.4mm)");
/*
This calc(-80px + 25.4mm) test is on purpose last. We want the
div#target to occupy 16px and to not cause document box height
to be unneedlessly tall.
*/
}
startTesting();
</script>
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