forked from mirrors/gecko-dev
638f28425f
_captureRemoteThumbnail was already checking that the provided browser hadn't been removed at the beginning, but due to using "await" this could also happen in the middle, causing an exception. That was the reason for flakyness in browser_adoptTab_failure.js This patch adds extra checks, and replaces "aBrowser.parentNode" with the more meaningful "aBrowser.isConnected", since there is no need to use "parentNode" to get the "ownerDocument". Differential Revision: https://phabricator.services.mozilla.com/D166264
13 lines
447 B
JavaScript
13 lines
447 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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add_task(async function thumbnails_bug1775638() {
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const tab = await BrowserTestUtils.openNewForegroundTab(
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gBrowser,
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"https://example.com"
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);
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const canvas = document.createElement("canvas");
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const promise = PageThumbs.captureToCanvas(tab.linkedBrowser, canvas);
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gBrowser.removeTab(tab);
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is(await promise, canvas);
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});
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