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70 lines
3.9 KiB
HTML
70 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CSS Backgrounds and Borders: getComputedStyle().background with multiple layers</title>
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<link rel="help" href="https://drafts.csswg.org/css-backgrounds/#background">
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<meta name="assert" content="The number of layers is determined by the number of comma-separated values in the background-image property. .">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/computed-testcommon.js"></script>
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<style>
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#target {
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background-image: none, none, none;
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font-size: 40px;
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}
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</style>
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</head>
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<body>
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<div id="target"></div>
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<script>
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test_computed_value("background-attachment", "local", "local, local, local");
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test_computed_value("background-attachment", "scroll, fixed", "scroll, fixed, scroll");
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test_computed_value("background-attachment", "local, fixed, scroll");
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test_computed_value("background-attachment", "local, fixed, scroll, fixed", "local, fixed, scroll");
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test_computed_value("background-clip", "border-box", "border-box, border-box, border-box");
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test_computed_value("background-clip", "content-box, border-box", "content-box, border-box, content-box");
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test_computed_value("background-clip", "border-box, padding-box, content-box");
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test_computed_value("background-clip", "content-box, border-box, padding-box, content-box", "content-box, border-box, padding-box");
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// background-color always computes as a single color.
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test_computed_value("background-color", "rgb(255, 0, 0)");
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test_computed_value("background-origin", "border-box", "border-box, border-box, border-box");
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test_computed_value("background-origin", "content-box, border-box", "content-box, border-box, content-box");
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test_computed_value("background-origin", "border-box, padding-box, content-box");
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test_computed_value("background-origin", "content-box, border-box, padding-box, content-box", "content-box, border-box, padding-box");
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test_computed_value("background-position", "50% 6px", "50% 6px, 50% 6px, 50% 6px");
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test_computed_value("background-position", "12px 13px, 50% 6px", "12px 13px, 50% 6px, 12px 13px");
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test_computed_value("background-position", "12px 13px, 50% 6px, 30px -10px");
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test_computed_value("background-position", "12px 13px, 50% 6px, 30px -10px, -7px 8px", "12px 13px, 50% 6px, 30px -10px");
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test_computed_value("background-position-x", "0.5em", "20px, 20px, 20px");
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test_computed_value("background-position-x", "-20%, 10px", "-20%, 10px, -20%");
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test_computed_value("background-position-x", "center, left, right", "50%, 0%, 100%");
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test_computed_value("background-position-x", "calc(10px - 0.5em), -20%, right, 15%", "-10px, -20%, 100%");
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test_computed_value("background-position-y", "0.5em", "20px, 20px, 20px");
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test_computed_value("background-position-y", "-20%, 10px", "-20%, 10px, -20%");
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test_computed_value("background-position-y", "center, top, bottom", "50%, 0%, 100%");
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test_computed_value("background-position-y", "calc(10px - 0.5em), -20%, bottom, 15%", "-10px, -20%, 100%");
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test_computed_value("background-repeat", "round", "round, round, round");
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test_computed_value("background-repeat", "repeat-x, repeat", "repeat-x, repeat, repeat-x");
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test_computed_value("background-repeat", "repeat space, round no-repeat, repeat-x");
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test_computed_value("background-repeat", "repeat-y, round no-repeat, repeat-x, repeat", "repeat-y, round no-repeat, repeat-x");
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test_computed_value("background-size", "contain", "contain, contain, contain");
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test_computed_value("background-size", "auto 1px, 2% 3%", "auto 1px, 2% 3%, auto 1px");
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test_computed_value("background-size", "auto 1px, 2% 3%, contain");
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test_computed_value("background-size", "auto 1px, 2% 3%, contain, 7px 8px", "auto 1px, 2% 3%, contain");
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// Open issue: Define serialization for background shorthand
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// https://github.com/w3c/csswg-drafts/issues/418
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// test_computed_value("background", "rgb(1, 2, 3) none 4px 5px / 6px 7px repeat space scroll border-box padding-box");
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</script>
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</body>
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</html>
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