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Update web-platform-tests to revision 2d42384cf21efd71843295d319c1bab85b3acf4a

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WPT Sync Bot 2019-01-11 20:32:19 -05:00
parent f2b224d610
commit e851ef0cd2
1014 changed files with 5653 additions and 1590 deletions
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49
tests/wpt/web-platform-tests/css/mediaqueries/prefers-color-scheme.html Normal file
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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#prefers-color-scheme" />
<script type="text/javascript" src="/resources/testharness.js"></script>
<script type="text/javascript" src="/resources/testharnessreport.js"></script>
<style id="testStyle"> </style>
<script>
var sheet = testStyle.sheet;
function query_is_parseable(query) {
try {
sheet.insertRule("@media " + query + "{}", 0);
return sheet.cssRules.length == 1 &&
sheet.cssRules[0].media.mediaText != "not all";
} finally {
while (sheet.cssRules.length)
sheet.deleteRule(0);
}
}
function query_should_be_parseable(query) {
test(() => {
assert_true(query_is_parseable(query));
}, "Should be parseable: '" + query + "'");
}
function query_should_not_be_parseable(query) {
test(() => {
assert_false(query_is_parseable(query));
}, "Should not be parseable: '" + query + "'");
}
query_should_be_parseable("(prefers-color-scheme)");
query_should_be_parseable("(prefers-color-scheme: no-preference)");
query_should_be_parseable("(prefers-color-scheme: light)");
query_should_be_parseable("(prefers-color-scheme: dark)");
query_should_not_be_parseable("(prefers-color-scheme: 0)");
query_should_not_be_parseable("(prefers-color-scheme: none)");
query_should_not_be_parseable("(prefers-color-scheme: 10px)");
query_should_not_be_parseable("(prefers-color-scheme: dark 0)");
query_should_not_be_parseable("(prefers-color-scheme: dark light)");
query_should_not_be_parseable("(prefers-color-scheme: light/dark)");
test(() => {
let booleanContext = window.matchMedia("(prefers-color-scheme)");
let noPreference = window.matchMedia("(prefers-color-scheme: no-preference)");
assert_equals(booleanContext.matches, !noPreference.matches);
}, "Check that no-preference evaluates to false in the boolean context");
</script>