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Bug 1939180 - Add test to ensure expanded sidebar remains expanded after exiting DOMFullscreen r=sidebar-reviewers,sfoster

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Differential Revision: https://phabricator.services.mozilla.com/D233273
This commit is contained in:
Nikki Sharpley
2025-01-07 15:52:14 +00:00
parent 126c23f8df
commit 2f35a317dc
1 changed files with 27 additions and 21 deletions
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48
browser/components/sidebar/tests/browser/browser_domfullscreen_sidebar.js
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@@ -18,30 +18,36 @@ registerCleanupFunction(async () => {
add_task(async function test_dom_fullscreen() {
// ensure the sidebar becomes hidden in dom fullscreen
const url = "https://example.com/";
const sidebarLauncher = win.document.getElementById("sidebar-main");
const { SidebarController, gBrowser } = win;
const { sidebarMain } = SidebarController;
await SidebarController.promiseInitialized;
ok(
BrowserTestUtils.isVisible(sidebarLauncher),
"Sidebar launcher is initially visible"
BrowserTestUtils.isVisible(sidebarMain),
"Sidebar main is initially visible"
);
await BrowserTestUtils.withNewTab(
{ gBrowser: win.gBrowser, url },
async browser => {
// the newly opened tab should have focus
await DOMFullscreenTestUtils.changeFullscreen(browser, true);
is(win.document.fullscreenElement, browser, "Entered DOM fullscreen");
ok(
BrowserTestUtils.isHidden(sidebarLauncher),
"Sidebar launcher is hidden in DOMFullscreen"
);
await DOMFullscreenTestUtils.changeFullscreen(browser, false);
ok(
BrowserTestUtils.isVisible(sidebarLauncher),
"Sidebar launcher becomes visible when we exit DOMFullscreen"
);
}
sidebarMain.expanded = true;
await TestUtils.waitForCondition(
() => sidebarMain.expanded,
"Sidebar main is expanded"
);
await BrowserTestUtils.withNewTab({ gBrowser, url }, async browser => {
// the newly opened tab should have focus
await DOMFullscreenTestUtils.changeFullscreen(browser, true);
is(win.document.fullscreenElement, browser, "Entered DOM fullscreen");
ok(
BrowserTestUtils.isHidden(sidebarMain),
"Sidebar main is hidden in DOMFullscreen"
);
await DOMFullscreenTestUtils.changeFullscreen(browser, false);
ok(
BrowserTestUtils.isVisible(sidebarMain),
"Sidebar main becomes visible when we exit DOMFullscreen"
);
ok(sidebarMain.expanded, "Sidebar main is still expanded");
});
});