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Test Info: Warnings
-
CI results over the last 21 days3,287Runs99.97%Pass1Failures0Timeouts0Crashes0Skips
Runs with issues per day (up to 0.2%) Oct 18Nov 7- Failures
- Manifest: dom/base/test/fullscreen/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { DOMFullscreenTestUtils } = ChromeUtils.importESModule(
);
DOMFullscreenTestUtils.init(this, window);
const supportsCustomTransition = AppConstants.platform == "win";
add_task(async function test_fullscreen_reduced_motion() {
await pushPrefs(["full-screen-api.allow-trusted-requests-only", false]);
let transitionStartCount = 0;
let previousStartCount = 0;
let startObserver = () => transitionStartCount++;
Services.obs.addObserver(startObserver, "fullscreen-transition-start");
registerCleanupFunction(() => {
Services.obs.removeObserver(startObserver, "fullscreen-transition-start");
});
await BrowserTestUtils.withNewTab(
async browser => {
for (let reducedMotion of [0, 1, 0]) {
await pushPrefs(["ui.prefersReducedMotion", reducedMotion]);
await SpecialPowers.spawn(browser, [reducedMotion], async value => {
await ContentTaskUtils.waitForCondition(
() =>
content.matchMedia("(prefers-reduced-motion: reduce)").matches ==
!!value,
"The reduced-motion preference has taken effect"
);
});
for (let enter of [true, false]) {
is(
transitionStartCount,
previousStartCount,
"No fullscreen transitions started between test steps"
);
let expectTransition = supportsCustomTransition && !reducedMotion;
let transitionEnd = expectTransition
? TestUtils.topicObserved("fullscreen-transition-end")
: Promise.resolve();
let fullscreenChanged = DOMFullscreenTestUtils.changeFullscreen(
browser,
enter
);
await Promise.all([fullscreenChanged, transitionEnd]);
is(window.fullScreen, enter, "The window's fullscreen state changed");
is(
transitionStartCount - previousStartCount,
expectTransition ? 1 : 0,
`${enter ? "Entering" : "Leaving"} fullscreen starts the expected transitions`
);
previousStartCount = transitionStartCount;
}
}
}
);
is(
transitionStartCount,
previousStartCount,
"No fullscreen transitions started after the last test step"
);
});