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Diffstat (limited to 'comm/suite/components/tests/browser/browser_637020.js')
-rw-r--r-- | comm/suite/components/tests/browser/browser_637020.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/comm/suite/components/tests/browser/browser_637020.js b/comm/suite/components/tests/browser/browser_637020.js new file mode 100644 index 0000000000..b035a8c1f8 --- /dev/null +++ b/comm/suite/components/tests/browser/browser_637020.js @@ -0,0 +1,65 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +const TEST_URL = "http://mochi.test:8888/browser/browser/components/" + + "sessionstore/test/browser_637020_slow.sjs"; + +const TEST_STATE = { + windows: [{ + tabs: [ + { entries: [{ url: "about:mozilla" }] }, + { entries: [{ url: "about:robots" }] } + ] + }, { + tabs: [ + { entries: [{ url: TEST_URL }] }, + { entries: [{ url: TEST_URL }] } + ] + }] +}; + +function test() { + TestRunner.run(); +} + +/** + * This test ensures that windows that have just been restored will be marked + * as dirty, otherwise _getCurrentState() might ignore them when collecting + * state for the first time and we'd just save them as empty objects. + * + * The dirty state acts as a cache to not collect data from all windows all the + * time, so at the beginning, each window must be dirty so that we collect + * their state at least once. + */ + +async function runTests() { + let win; + + // Wait until the new window has been opened. + Services.obs.addObserver(function onOpened(subject) { + Services.obs.removeObserver(onOpened, "domwindowopened"); + win = subject; + executeSoon(next); + }, "domwindowopened"); + + // Set the new browser state that will + // restore a window with two slowly loading tabs. + await SessionStore.setBrowserState(JSON.stringify(TEST_STATE)); + + // The window has now been opened. Check the state that is returned, + // this should come from the cache while the window isn't restored, yet. + info("the window has been opened"); + checkWindows(); + + // The history has now been restored and the tabs are loading. The data must + // now come from the window, if it's correctly been marked as dirty before. + await whenDelayedStartupFinished(win, next); + info("the delayed startup has finished"); + checkWindows(); +} + +function checkWindows() { + let state = JSON.parse(SessionStore.getBrowserState()); + is(state.windows[0].tabs.length, 2, "first window has two tabs"); + is(state.windows[1].tabs.length, 2, "second window has two tabs"); +} |