2018-10-15 23:43:02 +00:00
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<!DOCTYPE html>
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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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2018-11-14 22:24:09 +00:00
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div {
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2018-10-15 23:43:02 +00:00
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background-color: red;
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color: text;
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}
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@media (prefers-color-scheme: light) {
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#test1 {
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background-color: lime;
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}
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}
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@media (prefers-color-scheme: dark) {
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#test1 {
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background-color: blue;
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}
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}
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2021-05-03 17:36:01 +00:00
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@media not (prefers-color-scheme) {
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2018-11-14 22:24:09 +00:00
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/* This is valid, but should not apply for us since there is no option for no user preference. */
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#test1 {
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background-color: cyan;
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}
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}
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2018-10-15 23:43:02 +00:00
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@media (prefers-color-scheme: foo) {
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/* This is invalid and should not apply. */
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#test1 {
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background-color: yellow;
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}
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}
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@media (prefers-color-scheme) {
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2018-11-14 22:24:09 +00:00
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/* This is valid and should always apply for us, since there is always a user preference currently. */
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#test2 {
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background-color: lime;
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2018-10-15 23:43:02 +00:00
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}
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}
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</style>
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<div id="test1"></div>
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2018-11-14 22:24:09 +00:00
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<div id="test2"></div>
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2018-10-15 23:43:02 +00:00
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<script>
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function test_prop(id, prop, expected) {
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assert_equals(window.getComputedStyle(document.getElementById(id)).getPropertyValue(prop).trim(), expected);
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}
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test(function() {
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// Styled background-color in media query should be lime green.
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test_prop("test1", "background-color", "rgb(0, 255, 0)");
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// The semantic text color should be black.
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test_prop("test1", "color", "rgb(0, 0, 0)");
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}, "Element colors are correct in light color scheme");
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2018-11-14 22:24:09 +00:00
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test(function() {
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// Styled background-color in media query should be lime green.
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test_prop("test2", "background-color", "rgb(0, 255, 0)");
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// The semantic text color should be black.
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test_prop("test2", "color", "rgb(0, 0, 0)");
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}, "Element colors are correct in light color scheme with boolean context query");
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2018-10-15 23:43:02 +00:00
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test(function() {
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if (window.internals)
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internals.settings.setUseDarkAppearance(true);
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}, "Dark color scheme enabled");
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test(function() {
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// Styled background-color in media query should be blue.
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test_prop("test1", "background-color", "rgb(0, 0, 255)");
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// The semantic text color should be black, and not change.
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test_prop("test1", "color", "rgb(0, 0, 0)");
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}, "Element colors are correct in dark color scheme");
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2018-11-14 22:24:09 +00:00
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test(function() {
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// Styled background-color in media query should be lime green.
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test_prop("test2", "background-color", "rgb(0, 255, 0)");
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// The semantic text color should be black.
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test_prop("test2", "color", "rgb(0, 0, 0)");
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}, "Element colors are correct in dark color scheme with boolean context query");
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2018-10-15 23:43:02 +00:00
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</script>
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