<!DOCTYPE html> <meta charset="UTF-8"> <title>CSS Values and Units: calc() serialization of a summation (complex)</title> <link rel="author" title="GĂ©rard 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>