diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js')
-rw-r--r-- | browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js b/browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js new file mode 100644 index 0000000000..f29b88edb6 --- /dev/null +++ b/browser/base/content/test/tabcrashed/browser_multipleCrashedTabs.js @@ -0,0 +1,136 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +// eslint-disable-next-line @microsoft/sdl/no-insecure-url +const PAGE_1 = "http://example.com"; +// eslint-disable-next-line @microsoft/sdl/no-insecure-url +const PAGE_2 = "http://example.org"; +// eslint-disable-next-line @microsoft/sdl/no-insecure-url +const PAGE_3 = "http://example.net"; + +/** + * Checks that a particular about:tabcrashed page has the attribute set to + * use the "multiple about:tabcrashed" UI. + * + * @param browser (<xul:browser>) + * The browser to check. + * @param expected (Boolean) + * True if we expect the "multiple" state to be set. + * @returns Promise + * @resolves undefined + * When the check has completed. + */ +async function assertShowingMultipleUI(browser, expected) { + let showingMultiple = await SpecialPowers.spawn(browser, [], async () => { + return ( + content.document.getElementById("main").getAttribute("multiple") == "true" + ); + }); + Assert.equal(showingMultiple, expected, "Got the expected 'multiple' state."); +} + +/** + * Takes a Telemetry histogram snapshot and returns the sum of all counts. + * + * @param snapshot (Object) + * The Telemetry histogram snapshot to examine. + * @return (int) + * The sum of all counts in the snapshot. + */ +function snapshotCount(snapshot) { + return Object.values(snapshot.values).reduce((a, b) => a + b, 0); +} + +/** + * Switches to a tab, crashes it, and waits for about:tabcrashed + * to load. + * + * @param tab (<xul:tab>) + * The tab to switch to and crash. + * @returns Promise + * @resolves undefined + * When about:tabcrashed is loaded. + */ +async function switchToAndCrashTab(tab) { + let browser = tab.linkedBrowser; + + await BrowserTestUtils.switchTab(gBrowser, tab); + let tabcrashed = BrowserTestUtils.waitForEvent( + browser, + "AboutTabCrashedReady", + false, + null, + true + ); + await BrowserTestUtils.crashFrame(browser); + await tabcrashed; +} + +/** + * Tests that the appropriate pieces of UI in the about:tabcrashed pages + * are updated to reflect how many other about:tabcrashed pages there + * are. + */ +add_task(async function test_multiple_tabcrashed_pages() { + let histogram = Services.telemetry.getHistogramById( + "FX_CONTENT_CRASH_NOT_SUBMITTED" + ); + histogram.clear(); + + let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE_1); + let browser1 = tab1.linkedBrowser; + + let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE_2); + let browser2 = tab2.linkedBrowser; + + let tab3 = await BrowserTestUtils.openNewForegroundTab(gBrowser, PAGE_3); + let browser3 = tab3.linkedBrowser; + + await switchToAndCrashTab(tab1); + Assert.ok(tab1.hasAttribute("crashed"), "tab1 has crashed"); + Assert.ok(!tab2.hasAttribute("crashed"), "tab2 has not crashed"); + Assert.ok(!tab3.hasAttribute("crashed"), "tab3 has not crashed"); + + // Should not be showing UI for multiple tabs in tab1. + await assertShowingMultipleUI(browser1, false); + + await switchToAndCrashTab(tab2); + Assert.ok(tab1.hasAttribute("crashed"), "tab1 is still crashed"); + Assert.ok(tab2.hasAttribute("crashed"), "tab2 has crashed"); + Assert.ok(!tab3.hasAttribute("crashed"), "tab3 has not crashed"); + + // tab1 and tab2 should now be showing UI for multiple tab crashes. + await assertShowingMultipleUI(browser1, true); + await assertShowingMultipleUI(browser2, true); + + await switchToAndCrashTab(tab3); + Assert.ok(tab1.hasAttribute("crashed"), "tab1 is still crashed"); + Assert.ok(tab2.hasAttribute("crashed"), "tab2 is still crashed"); + Assert.ok(tab3.hasAttribute("crashed"), "tab3 has crashed"); + + // tab1 and tab2 should now be showing UI for multiple tab crashes. + await assertShowingMultipleUI(browser1, true); + await assertShowingMultipleUI(browser2, true); + await assertShowingMultipleUI(browser3, true); + + BrowserTestUtils.removeTab(tab1); + await assertShowingMultipleUI(browser2, true); + await assertShowingMultipleUI(browser3, true); + + BrowserTestUtils.removeTab(tab2); + await assertShowingMultipleUI(browser3, false); + + BrowserTestUtils.removeTab(tab3); + + // We only record the FX_CONTENT_CRASH_NOT_SUBMITTED probe if there + // was a single about:tabcrashed page at unload time, so we expect + // only a single entry for the probe for when we removed the last + // crashed tab. + await BrowserTestUtils.waitForCondition(() => { + return snapshotCount(histogram.snapshot()) == 1; + }, `Collected value should become 1.`); + + histogram.clear(); +}); |