222 lines
3.7 KiB
HTML
222 lines
3.7 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>CSS Values Test: computed value of 8 calc() values that involve mixed units</title>
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" href="https://www.w3.org/TR/css-values-4/#calc-computed-value">
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<meta name="flags" content="">
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<meta content="This meta-test verifies that terms with a length value that can be resolved at computed-value time must be resolved and must be absolutized to 'px'. In this meta-test, we test percentage unit (%), three font-relative length units (em, rem, lh) and some absolute length units (pc, pt, px, cm, mm, Q, in). " name="assert">
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<!--
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NOT Tested in this test are:
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Viewport-percentage Length units:
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vh, svh, lvh, dvh,
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vw, svw, lvw, dvw,
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vmin, svmin, lvmin, dvmin,
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vmax, svmax, lvmax, dvmax,
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vi, svi, lvi, dvi,
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vb, svb, lvb, dvb
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and these of font-relative length units:
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ex, rex,
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cap, rcap,
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ch, rch,
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ic, ric,
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rlh
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-->
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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html
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{
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font-size: 30px; /* for checking rem unit */
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}
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body
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{
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font-size: 16px;
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line-height: 1.25; /* computed value: 20px; for checking lh unit */
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height: 500px;
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margin: 20px;
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width: 520px;
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}
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div#target
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{
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height: 100px;
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width: 100px;
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}
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</style>
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<div id="target"></div>
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<script>
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function startTesting()
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{
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var targetElement = document.getElementById("target");
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function verifyComputedStyle(property_name, specified_value, expected_value)
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{
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test(function()
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{
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targetElement.style.setProperty(property_name, "initial");
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targetElement.style.setProperty(property_name, specified_value);
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assert_equals(getComputedStyle(targetElement)[property_name], expected_value);
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}, `testing ${property_name}: ${specified_value}`);
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}
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verifyComputedStyle("width", "calc(10% + 2em)", "84px");
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/*
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520px mult 10% == 52px
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+
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16px mult 2 == 32px
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=======
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84px
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*/
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verifyComputedStyle("width", "calc(5% + 4rem)", "146px");
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/*
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520px mult 5% == 26px
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+
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30px mult 4 == 120px
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=======
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146px
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*/
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verifyComputedStyle("width", "calc(8lh + 7px)", "167px");
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/*
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8 mult 20px == 160px
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+
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7px
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=======
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167px
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*/
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verifyComputedStyle("height", "calc(10% + 6pt)", "58px");
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/*
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10% mult 500 == 50px
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+
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6pt == 8px
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========
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58px
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*/
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verifyComputedStyle("width", "calc(4em + 2.6458333cm)", "164px");
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/*
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4 mult 16px == 64px
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+
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2.6458333cm == 100px
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========
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164px
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*/
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verifyComputedStyle("height", "calc(5em + 26.458333mm)", "180px");
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/*
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5 mult 16px == 80px
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+
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26.458333mm == 100px
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========
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180px
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*/
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verifyComputedStyle("width", "calc(2in + 101.6Q)", "288px");
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/*
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2 mult 96px == 192px
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+
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101.6Q == 96px
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========
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288px
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*/
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verifyComputedStyle("height", "calc(1pc + 3pt)", "20px");
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/*
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1pc == 16px
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+
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3pt == 4px
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=======
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20px
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*/
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}
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startTesting();
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</script>
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