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75 lines
2.5 KiB
HTML
75 lines
2.5 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>CSS Values and Units Test: computed value of 'letter-spacing' when specified with calc() function</title>
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<!--
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Original test is:
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https://chromium.googlesource.com/chromium/src/+/c825d655f6aaf73484f9d56e9012793f5b9668cc/third_party/WebKit/LayoutTests/css3/calc/letter-spacing.html
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-->
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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/css3-values/#calc-computed-value">
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<meta name="flags" content="invalid">
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<meta content="This test verifies how 6 calc() functions are computed for 'letter-spacing'." name="assert">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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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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function verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description)
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{
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var elemTarget = document.getElementById("target");
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test(function()
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{
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elemTarget.style.setProperty(property_name, initial_value);
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/*
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In exactly 5 out of the 6 sub-tests, the initial_value will
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act as a fallback value because the calc() function in the
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specified value generates an invalid value. Since we are
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running 6 consecutive tests on the same element, then
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it is necessary to 'reset' its property to an initial
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value.
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*/
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elemTarget.style.setProperty(property_name, specified_value);
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assert_equals(getComputedStyle(elemTarget)[property_name], expected_value, specified_value + ' should compute to ' + expected_value);
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}, description);
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}
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/* verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) */
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verifyComputedStyle("letter-spacing", "20px", "calc(1 + 1px)", "20px", "testing letter-spacing: calc(1 + 1px)");
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verifyComputedStyle("letter-spacing", "20px", "calc(1 + 100%)", "20px", "testing letter-spacing: calc(1 + 100%)");
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verifyComputedStyle("letter-spacing", "20px", "calc(100%)", "20px", "testing letter-spacing: calc(100%)");
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verifyComputedStyle("letter-spacing", "20px", "calc(10px) bla", "20px", "testing letter-spacing: calc(10px) bla");
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verifyComputedStyle("letter-spacing", "20px", "calc(bla) 10px", "20px", "testing letter-spacing: calc(bla) 10px");
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verifyComputedStyle("letter-spacing", "initial", "calc(10px)", "10px", "testing letter-spacing: calc(10px)");
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}
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startTesting();
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</script>
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