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Diffstat (limited to '')
-rw-r--r-- | docshell/test/navigation/browser_test_simultaneous_normal_and_history_loads.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/docshell/test/navigation/browser_test_simultaneous_normal_and_history_loads.js b/docshell/test/navigation/browser_test_simultaneous_normal_and_history_loads.js new file mode 100644 index 0000000000..c6b13afd5e --- /dev/null +++ b/docshell/test/navigation/browser_test_simultaneous_normal_and_history_loads.js @@ -0,0 +1,57 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; + +add_task(async function test_normal_and_history_loads() { + // This test is for the case when session history lives in the parent process. + // BFCache is disabled to get more asynchronousness. + await SpecialPowers.pushPrefEnv({ + set: [["fission.bfcacheInParent", false]], + }); + + let testPage = + getRootDirectory(gTestPath).replace( + "chrome://mochitests/content", + // eslint-disable-next-line @microsoft/sdl/no-insecure-url + "http://example.com" + ) + "blank.html"; + await BrowserTestUtils.withNewTab( + { gBrowser, url: testPage }, + async function (browser) { + for (let i = 0; i < 2; ++i) { + BrowserTestUtils.startLoadingURIString(browser, testPage + "?" + i); + await BrowserTestUtils.browserLoaded(browser); + } + + let sh = browser.browsingContext.sessionHistory; + is(sh.count, 3, "Should have 3 entries in the session history."); + is(sh.index, 2, "index should be 2"); + is(sh.requestedIndex, -1, "requestedIndex should be -1"); + + // The following part is racy by definition. It is testing that + // eventually requestedIndex should become -1 again. + browser.browsingContext.goToIndex(1); + let historyLoad = BrowserTestUtils.browserLoaded(browser); + /* eslint-disable mozilla/no-arbitrary-setTimeout */ + await new Promise(r => { + setTimeout(r, 10); + }); + browser.browsingContext.loadURI( + Services.io.newURI(testPage + "?newload"), + { + triggeringPrincipal: browser.nodePrincipal, + } + ); + let newLoad = BrowserTestUtils.browserLoaded(browser); + // Note, the loads are racy. + await historyLoad; + await newLoad; + is(sh.requestedIndex, -1, "requestedIndex should be -1"); + + browser.browsingContext.goBack(); + await BrowserTestUtils.browserLoaded(browser); + is(sh.requestedIndex, -1, "requestedIndex should be -1"); + } + ); +}); |