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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /docshell/test/navigation/browser_test_bfcache_eviction.js | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docshell/test/navigation/browser_test_bfcache_eviction.js')
| -rw-r--r-- | docshell/test/navigation/browser_test_bfcache_eviction.js | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/docshell/test/navigation/browser_test_bfcache_eviction.js b/docshell/test/navigation/browser_test_bfcache_eviction.js new file mode 100644 index 0000000000..fe0db2742b --- /dev/null +++ b/docshell/test/navigation/browser_test_bfcache_eviction.js @@ -0,0 +1,98 @@ +add_task(async function() { + // We don't want the number of total viewers to be calculated by the available size + // for this test case. Instead, fix the number of viewers. + await SpecialPowers.pushPrefEnv({ + set: [ + ["browser.sessionhistory.max_total_viewers", 3], + ["docshell.shistory.testing.bfevict", true], + // If Fission is disabled, the pref is no-op. + ["fission.bfcacheInParent", true], + ], + }); + + // 1. Open a tab + var testPage = + "data:text/html,<html id='html1'><body id='body1'>First tab ever opened</body></html>"; + await BrowserTestUtils.withNewTab({ gBrowser, url: testPage }, async function( + browser + ) { + let testDone = {}; + if (!SpecialPowers.Services.appinfo.sessionHistoryInParent) { + // 2. Add a promise that will be resolved when the 'content viewer evicted' event goes off + testDone.promise = SpecialPowers.spawn(browser, [], async function() { + return new Promise(resolve => { + let webNavigation = content.docShell.QueryInterface( + Ci.nsIWebNavigation + ); + let { legacySHistory } = webNavigation.sessionHistory; + // 3. Register a session history listener to listen for a 'content viewer evicted' event. + let historyListener = { + OnContentViewerEvicted() { + ok( + true, + "History listener got called after a content viewer was evicted" + ); + legacySHistory.removeSHistoryListener(historyListener); + // 6. Resolve the promise when we got our 'content viewer evicted' event + resolve(); + }, + QueryInterface: ChromeUtils.generateQI([ + "nsISHistoryListener", + "nsISupportsWeakReference", + ]), + }; + legacySHistory.addSHistoryListener(historyListener); + // Keep the weak shistory listener alive + content._testListener = historyListener; + }); + }); + } else { + // 2. Add a promise that will be resolved when the 'content viewer evicted' event goes off + testDone.promise = new Promise(resolve => { + testDone.resolve = resolve; + }); + let shistory = browser.browsingContext.sessionHistory; + // 3. Register a session history listener to listen for a 'content viewer evicted' event. + let historyListener = { + OnContentViewerEvicted() { + ok( + true, + "History listener got called after a content viewer was evicted" + ); + shistory.removeSHistoryListener(historyListener); + delete window._testListener; + // 6. Resolve the promise when we got our 'content viewer evicted' event + testDone.resolve(); + }, + QueryInterface: ChromeUtils.generateQI([ + "nsISHistoryListener", + "nsISupportsWeakReference", + ]), + }; + shistory.addSHistoryListener(historyListener); + // Keep the weak shistory listener alive + window._testListener = historyListener; + } + + // 4. Open a second tab + testPage = `data:text/html,<html id='html1'><body id='body1'>I am a second tab!</body></html>`; + let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, testPage); + + // 5. Navigate the first tab to 4 different pages. + // We should get 1 content viewer evicted because it will be outside of the range. + // If we have the following pages in our session history: P1 P2 P3 P4 P5 + // and we are currently at P5, then P1 is outside of the range + // (it is more than 3 entries away from current entry) and thus will be evicted. + for (var i = 0; i < 4; i++) { + testPage = `data:text/html,<html id='html1'><body id='body1'>${i}</body></html>`; + let pagePromise = BrowserTestUtils.browserLoaded(browser); + BrowserTestUtils.loadURI(browser, testPage); + await pagePromise; + } + // 7. Wait for 'content viewer evicted' event to go off + await testDone.promise; + + // 8. Close the second tab + BrowserTestUtils.removeTab(tab2); + }); +}); |