haikuwebkit/LayoutTests/fast/media/mq-prefers-contrast-live-up...

53 lines
1.3 KiB
HTML

<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script>
description('This tests listeners on MediaQueryList get called when contrast settings are turned on when there are no relevant style rules');
jsTestIsAsync = true;
if (window.testRunner)
testRunner.waitUntilDone();
let didCallListener = false;
let timer;
window.onload = () => {
requestAnimationFrame(() => {
window.matchMedia('(prefers-contrast)').addListener((e) => {
didCallListener = true;
finalize();
});
if (!window.internals || !testRunner.runUIScript) {
testFailed('This test requires runUIScript');
finishJSTest();
return;
}
window.internals.settings.forcedPrefersContrastAccessibilityValue = "on";
testRunner.runUIScript(`
uiController.simulateAccessibilitySettingsChangeNotification(() => {
uiController.uiScriptComplete("Done");
})`, () => {
if (!didCallListener)
timer = setTimeout(finalize, 1000);
});
});
}
function finalize() {
if (timer)
clearTimeout(timer);
shouldBeTrue('didCallListener');
shouldBeTrue('matchMedia("(prefers-contrast)").matches');
finishJSTest();
}
</script>
</body>
</html>