mozilla-central/toolkit/components/thumbnails/test/browser_thumbnails_bg_crash_during_capture.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
add_task(async function thumbnails_bg_crash_during_capture() {
// make a good capture first - this ensures we have the <browser>
let goodUrl = bgTestPageURL();
await bgCapture(goodUrl);
ok(thumbnailExists(goodUrl), "Thumbnail should be cached after capture");
removeThumbnail(goodUrl);
// queue up 2 captures - the first has a wait, so this is the one that
// will die. The second one should immediately capture after the crash.
let waitUrl = bgTestPageURL({ wait: 30000 });
let sawWaitUrlCapture = false;
let failCapture = bgCapture(waitUrl, {
onDone: () => {
sawWaitUrlCapture = true;
ok(
!thumbnailExists(waitUrl),
"Thumbnail should not have been saved due to the crash"
);
},
});
let goodCapture = bgCapture(goodUrl, {
onDone: () => {
ok(sawWaitUrlCapture, "waitUrl capture should have finished first");
ok(
thumbnailExists(goodUrl),
"We should have recovered and completed the 2nd capture after the crash"
);
removeThumbnail(goodUrl);
},
});
let crashPromise = bgAddPageThumbObserver(waitUrl).catch(err => {
ok(/page-thumbnail:error/.test(err), "Got the right kind of error");
});
let capturePromise = bgAddPageThumbObserver(goodUrl);
info("Crashing the thumbnail content process.");
let crash = await BrowserTestUtils.crashFrame(
BackgroundPageThumbs._thumbBrowser,
false
);
ok(crash.CrashTime, "Saw a crash from this test");
await crashPromise;
await Promise.all([failCapture, goodCapture, capturePromise]);
});