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56 lines
2.3 KiB
HTML
56 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>CSS Variables Test: Style changes on properties using variables</title>
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<link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:jfernandez@igalia.com">
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<link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables">
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<meta name="assert" content="A change in the custom property declaration must be propagated to all the descendants">
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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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.test1 > div > div { color: var(--x); }
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.test2 > div > div { background-color: var(--x); }
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.test3 > div > div { white-space: var(--x); }
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</style>
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<div id="outer">
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<div>
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<div id="inner1"></div>
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</div>
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<div>
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<div id="inner2"></div>
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</div>
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<div>
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<div id="inner3"></div>
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</div>
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</div>
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<script>
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"use strict";
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let colorValues = [
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{ Id: "case1", value: "red", expected: "rgb(255, 0, 0)" },
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{ Id: "case2", value: "green", expected: "rgb(0, 128, 0)" },
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];
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let whiteSpaceValues = [
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{ Id: "case1", value: "pre-wrap", expected: "pre-wrap" },
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{ Id: "case2", value: "nowrap", expected: "nowrap" },
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];
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let testcases = [
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{ property: "color", className: "test1", values: colorValues, },
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{ property: "background-color", className: "test2", values: colorValues, },
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{ property: "white-space", className: "test3", values: whiteSpaceValues},
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];
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testcases.forEach(function (testcase) {
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test( function () {
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outer.className = testcase.className;
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testcase.values.forEach(function (entry) {
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document.body.style.cssText = "--x: " + entry.value;
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let actualValue = getComputedStyle(inner1).getPropertyValue(testcase.property);
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assert_equals(actualValue, entry.expected, entry.Id + "-1");
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actualValue = getComputedStyle(inner2).getPropertyValue(testcase.property);
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assert_equals(actualValue, entry.expected, entry.Id + "-2");
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actualValue = getComputedStyle(inner3).getPropertyValue(testcase.property);
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assert_equals(actualValue, entry.expected, entry.Id + "-3");
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});
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}, "Declaration changes on '" + testcase.property + "' propagate to all variable references");
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});
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</script>
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