forked from mirrors/gecko-dev
52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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function observeOneRestore(callback) {
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let topic = "sessionstore-browser-state-restored";
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Services.obs.addObserver(function onRestore() {
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Services.obs.removeObserver(onRestore, topic);
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callback();
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}, topic);
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}
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function test() {
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waitForExplicitFinish();
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// There should be one tab when we start the test
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let [origTab] = gBrowser.visibleTabs;
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let hiddenTab = BrowserTestUtils.addTab(gBrowser);
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is(gBrowser.visibleTabs.length, 2, "should have 2 tabs before hiding");
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gBrowser.showOnlyTheseTabs([origTab]);
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is(gBrowser.visibleTabs.length, 1, "only 1 after hiding");
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ok(hiddenTab.hidden, "sanity check that it's hidden");
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BrowserTestUtils.addTab(gBrowser);
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let state = ss.getBrowserState();
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let stateObj = JSON.parse(state);
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let tabs = stateObj.windows[0].tabs;
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is(tabs.length, 3, "just checking that browser state is correct");
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ok(!tabs[0].hidden, "first tab is visible");
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ok(tabs[1].hidden, "second is hidden");
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ok(!tabs[2].hidden, "third is visible");
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// Make the third tab hidden and then restore the modified state object
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tabs[2].hidden = true;
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observeOneRestore(function () {
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is(gBrowser.visibleTabs.length, 1, "only restored 1 visible tab");
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let restoredTabs = gBrowser.tabs;
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ok(!restoredTabs[0].hidden, "first is still visible");
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ok(restoredTabs[1].hidden, "second tab is still hidden");
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ok(restoredTabs[2].hidden, "third tab is now hidden");
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// Restore the original state and clean up now that we're done
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gBrowser.removeTab(gBrowser.tabs[1]);
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gBrowser.removeTab(gBrowser.tabs[1]);
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finish();
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});
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ss.setBrowserState(JSON.stringify(stateObj));
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}
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