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107 lines
3.3 KiB
HTML
107 lines
3.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>CSS Cascade Layers: !important </title>
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<meta name="assert" content="!important functionality of CSS Cascade Layers">
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<link rel="author" title="Romain Menke" href="mailto:romainmenke@gmail.com">
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<link rel="help" href="https://www.w3.org/TR/css-cascade-5/#cascade-layering">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<target class="first"></target>
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<target class="second"></target>
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<div id="log"></div>
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<script>
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// In all test cases, the rule specified as "color: green" should win.
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var testCases = [
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{
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title: 'A1 Unlayered !important style',
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style: `
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target { color: green !important; }
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target { color: red; }
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`
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},
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{
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title: 'B1 Same specificity, layered !important first',
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style: `
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@layer { target { color: green !important; } }
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target { color: red; }
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`,
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},
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{
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title: 'C1 Same specificity, layered !important second',
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style: `
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target { color: red; }
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@layer { target { color: green !important; } }
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`,
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},
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{
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title: 'D1 Same specificity, all !important',
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style: `
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@layer { target { color: green !important; } }
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@layer { target { color: red !important; } }
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target { color: red !important; }
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`,
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},
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{
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title: 'D2 Same specificity, all !important',
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style: `
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@layer { target { color: green !important; } }
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target { color: red !important; }
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@layer { target { color: red !important; } }
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`,
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},
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{
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title: 'D3 Same specificity, all !important',
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style: `
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target { color: red !important; }
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@layer { target { color: green !important; } }
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@layer { target { color: red !important; } }
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`,
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},
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{
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title: 'D4 Same specificity, all !important',
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style: `
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@layer A, B;
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@layer B { target { color: red !important; } }
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@layer A { target { color: green !important; } }
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target { color: red !important; }
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`,
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},
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{
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title: 'E1 Different specificity, all !important',
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style: `
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@layer { target { color: green !important; } }
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@layer { target { color: red !important; } }
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target.first { color: red !important; }
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`,
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},
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{
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title: 'E2 Different specificity, all !important',
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style: `
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@layer { target { color: green !important; } }
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@layer { target.first { color: red !important; } }
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target { color: red !important; }
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`,
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},
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];
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for (let testCase of testCases) {
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const styleElement = document.createElement('style');
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styleElement.textContent = testCase['style'];
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document.head.append(styleElement);
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test(function () {
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var targets = document.querySelectorAll('target');
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for (target of targets)
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assert_equals(window.getComputedStyle(target).color, 'rgb(0, 128, 0)',
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testCase['title'] + ", target '" + target.classList[0] + "'");
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}, testCase['title']);
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styleElement.remove();
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}
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</script>
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</body>
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</html>
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