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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /browser/base/content/test/general/browser_bug427559.js | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/base/content/test/general/browser_bug427559.js')
| -rw-r--r-- | browser/base/content/test/general/browser_bug427559.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug427559.js b/browser/base/content/test/general/browser_bug427559.js new file mode 100644 index 0000000000..29acf0862b --- /dev/null +++ b/browser/base/content/test/general/browser_bug427559.js @@ -0,0 +1,41 @@ +"use strict"; + +/* + * Test bug 427559 to make sure focused elements that are no longer on the page + * will have focus transferred to the window when changing tabs back to that + * tab with the now-gone element. + */ + +// Default focus on a button and have it kill itself on blur. +const URL = + "data:text/html;charset=utf-8," + + '<body><button onblur="this.remove()">' + + "<script>document.body.firstElementChild.focus()</script></body>"; + +function getFocusedLocalName(browser) { + return SpecialPowers.spawn(browser, [], async function () { + return content.document.activeElement.localName; + }); +} + +add_task(async function () { + let testTab = await BrowserTestUtils.openNewForegroundTab(gBrowser, URL); + + let browser = testTab.linkedBrowser; + + is(await getFocusedLocalName(browser), "button", "button is focused"); + + let blankTab = await BrowserTestUtils.openNewForegroundTab( + gBrowser, + "about:blank" + ); + + await BrowserTestUtils.switchTab(gBrowser, testTab); + + // Make sure focus is given to the window because the element is now gone. + is(await getFocusedLocalName(browser), "body", "body is focused"); + + // Cleanup. + gBrowser.removeTab(blankTab); + gBrowser.removeCurrentTab(); +}); |