forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			464 lines
		
	
	
	
		
			13 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			464 lines
		
	
	
	
		
			13 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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add_task(async function () {
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  await SpecialPowers.pushPrefEnv({
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    set: [["browser.ctrlTab.sortByRecentlyUsed", true]],
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  });
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  BrowserTestUtils.addTab(gBrowser);
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  BrowserTestUtils.addTab(gBrowser);
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  BrowserTestUtils.addTab(gBrowser);
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  // While doing this test, we should make sure the selected tab in the tab
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  // preview is not changed by mouse events.  That may happen after closing
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  // the selected tab with ctrl+W.  Disable all mouse events to prevent it.
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  for (let node of ctrlTab.previews) {
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    node.style.pointerEvents = "none";
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  }
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  registerCleanupFunction(function () {
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    for (let node of ctrlTab.previews) {
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      try {
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        node.style.removeProperty("pointer-events");
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      } catch (e) {}
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    }
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  });
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  checkTabs(4);
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  await ctrlTabTest([2], 1, 0);
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  await ctrlTabTest([2, 3, 1], 2, 2);
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  await ctrlTabTest([], 4, 2);
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  {
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    let selectedIndex = gBrowser.tabContainer.selectedIndex;
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    await pressCtrlTab();
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    await pressCtrlTab(true);
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    await releaseCtrl();
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    is(
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      gBrowser.tabContainer.selectedIndex,
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      selectedIndex,
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      "Ctrl+Tab -> Ctrl+Shift+Tab keeps the selected tab"
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    );
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  }
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  {
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    info("test for bug 445369");
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    let tabs = gBrowser.tabs.length;
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    await pressCtrlTab();
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    await synthesizeCtrlW();
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    is(gBrowser.tabs.length, tabs - 1, "Ctrl+Tab -> Ctrl+W removes one tab");
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    await releaseCtrl();
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  }
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  {
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    info("test for bug 667314");
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    let tabs = gBrowser.tabs.length;
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    await pressCtrlTab();
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    await pressCtrlTab(true);
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    await synthesizeCtrlW();
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    is(
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      gBrowser.tabs.length,
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      tabs - 1,
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      "Ctrl+Tab -> Ctrl+W removes the selected tab"
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    );
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    await releaseCtrl();
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  }
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  BrowserTestUtils.addTab(gBrowser);
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  checkTabs(3);
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  await ctrlTabTest([2, 1, 0], 7, 1);
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  {
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    info("test for bug 1292049");
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    let tabToClose = await BrowserTestUtils.openNewForegroundTab(
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      gBrowser,
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      "about:buildconfig"
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    );
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    checkTabs(4);
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    selectTabs([0, 1, 2, 3]);
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    let promise = BrowserTestUtils.waitForSessionStoreUpdate(tabToClose);
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    BrowserTestUtils.removeTab(tabToClose);
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    await promise;
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    checkTabs(3);
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    undoCloseTab();
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    checkTabs(4);
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    is(
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      gBrowser.tabContainer.selectedIndex,
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      3,
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      "tab is selected after closing and restoring it"
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    );
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    await ctrlTabTest([], 1, 2);
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  }
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  {
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    info("test for bug 445369");
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    checkTabs(4);
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    selectTabs([1, 2, 0]);
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    let selectedTab = gBrowser.selectedTab;
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    let tabToRemove = gBrowser.tabs[1];
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    await pressCtrlTab();
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    await pressCtrlTab();
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    await synthesizeCtrlW();
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    ok(
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      !tabToRemove.parentNode,
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      "Ctrl+Tab*2 -> Ctrl+W removes the second most recently selected tab"
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    );
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    await pressCtrlTab(true);
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    await pressCtrlTab(true);
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    await releaseCtrl();
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    ok(
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      selectedTab.selected,
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      "Ctrl+Tab*2 -> Ctrl+W -> Ctrl+Shift+Tab*2 keeps the selected tab"
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    );
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  }
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  gBrowser.removeTab(gBrowser.tabs[gBrowser.tabs.length - 1]);
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  checkTabs(2);
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  await ctrlTabTest([1], 1, 0);
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  gBrowser.removeTab(gBrowser.tabs[gBrowser.tabs.length - 1]);
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  checkTabs(1);
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  {
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    info("test for bug 445768");
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    let focusedWindow = document.commandDispatcher.focusedWindow;
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    let eventConsumed = true;
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    let detectKeyEvent = function (event) {
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      eventConsumed = event.defaultPrevented;
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    };
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    document.addEventListener("keypress", detectKeyEvent);
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    await pressCtrlTab();
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    document.removeEventListener("keypress", detectKeyEvent);
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    ok(
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      eventConsumed,
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      "Ctrl+Tab consumed by the tabbed browser if one tab is open"
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    );
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    is(
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      focusedWindow,
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      document.commandDispatcher.focusedWindow,
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      "Ctrl+Tab doesn't change focus if one tab is open"
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    );
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  }
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  // eslint-disable-next-line no-lone-blocks
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  {
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    info("Bug 1731050: test hidden tabs");
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    checkTabs(1);
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    await BrowserTestUtils.addTab(gBrowser);
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    await BrowserTestUtils.addTab(gBrowser);
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    await BrowserTestUtils.addTab(gBrowser);
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    await BrowserTestUtils.addTab(gBrowser);
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    FirefoxViewHandler.tab = await BrowserTestUtils.addTab(gBrowser);
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    gBrowser.hideTab(FirefoxViewHandler.tab);
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    FirefoxViewHandler.openTab();
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    selectTabs([1, 2, 3, 4, 3]);
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    gBrowser.hideTab(gBrowser.tabs[4]);
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    selectTabs([2]);
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    gBrowser.hideTab(gBrowser.tabs[3]);
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    is(gBrowser.tabs[5].hidden, true, "Tab at index 5 is hidden");
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    is(gBrowser.tabs[4].hidden, true, "Tab at index 4 is hidden");
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    is(gBrowser.tabs[3].hidden, true, "Tab at index 3 is hidden");
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    is(gBrowser.tabs[2].hidden, false, "Tab at index 2 is still shown");
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    is(gBrowser.tabs[1].hidden, false, "Tab at index 1 is still shown");
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    is(gBrowser.tabs[0].hidden, false, "Tab at index 0 is still shown");
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    await ctrlTabTest([], 1, 1);
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    await ctrlTabTest([], 2, 0);
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    gBrowser.showTab(gBrowser.tabs[4]);
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    await ctrlTabTest([2], 3, 4);
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    await ctrlTabTest([], 4, 4);
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    gBrowser.showTab(gBrowser.tabs[3]);
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    await ctrlTabTest([], 4, 3);
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    await ctrlTabTest([], 6, 4);
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    FirefoxViewHandler.openTab();
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    // Fx View tab should be visible in the panel while selected.
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    await ctrlTabTest([], 5, 1);
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    // Fx View tab should no longer be visible.
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    await ctrlTabTest([], 1, 4);
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    for (let i = 5; i > 0; i--) {
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      await BrowserTestUtils.removeTab(gBrowser.tabs[i]);
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    }
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    FirefoxViewHandler.tab = null;
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    info("End hidden tabs test");
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  }
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  {
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    info("Bug 1293692: Test asynchronous tab previews");
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    checkTabs(1);
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    await SpecialPowers.pushPrefEnv({
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      set: [["browser.pagethumbnails.capturing_disabled", false]],
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    });
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    await BrowserTestUtils.addTab(gBrowser);
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    await BrowserTestUtils.addTab(gBrowser);
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    let tab = await BrowserTestUtils.openNewForegroundTab(
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      gBrowser,
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      `${getRootDirectory(gTestPath)}dummy_page.html`
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    );
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    info("Pressing Ctrl+Tab to open the panel");
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    ok(canOpen(), "Ctrl+Tab can open the preview panel");
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    let panelShown = BrowserTestUtils.waitForEvent(ctrlTab.panel, "popupshown");
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    EventUtils.synthesizeKey("VK_TAB", { ctrlKey: true });
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    await TestUtils.waitForTick();
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    let observedPreview = ctrlTab.previews[0];
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    is(observedPreview._tab, tab, "The observed preview is for the new tab");
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    ok(
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      !observedPreview._canvas.firstElementChild,
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      "The preview <canvas> does not exist yet"
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    );
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    let emptyCanvas = PageThumbs.createCanvas(window);
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    let emptyImageData = emptyCanvas
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      .getContext("2d")
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      .getImageData(0, 0, ctrlTab.canvasWidth, ctrlTab.canvasHeight)
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      .data.slice(0, 15)
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      .toString();
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    info("Waiting for the preview <canvas> to be loaded");
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    await BrowserTestUtils.waitForMutationCondition(
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      observedPreview._canvas,
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      {
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        childList: true,
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        attributes: true,
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        subtree: true,
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      },
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      () =>
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        HTMLCanvasElement.isInstance(observedPreview._canvas.firstElementChild)
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    );
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    // Ensure the image is not blank (see bug 1293692). The canvas shouldn't be
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    // rendered at all until it has image data, but this will allow us to catch
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    // any regressions in the future.
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    await BrowserTestUtils.waitForCondition(
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      () =>
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        emptyImageData !==
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        observedPreview._canvas.firstElementChild
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          .getContext("2d")
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          .getImageData(0, 0, ctrlTab.canvasWidth, ctrlTab.canvasHeight)
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          .data.slice(0, 15)
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          .toString(),
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      "The preview <canvas> should be filled with a thumbnail"
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    );
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    // Wait for the panel to be shown.
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    await panelShown;
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    ok(isOpen(), "The preview panel is open");
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    // Keep the same tab selected.
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    await pressCtrlTab(true);
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    await releaseCtrl();
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    // The next time the panel is open, our preview should now be an <img>, the
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    // thumbnail that was previously drawn in a <canvas> having been cached and
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    // now being immediately available for reuse.
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    info("Pressing Ctrl+Tab to open the panel again");
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    let imgExists = BrowserTestUtils.waitForMutationCondition(
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      observedPreview._canvas,
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      {
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        childList: true,
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        attributes: true,
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        subtree: true,
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      },
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      () => {
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        let img = observedPreview._canvas.firstElementChild;
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        return (
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          img &&
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          HTMLImageElement.isInstance(img) &&
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          img.src &&
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          img.complete &&
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          img.naturalWidth
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        );
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      }
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    );
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    let panelShownAgain = BrowserTestUtils.waitForEvent(
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      ctrlTab.panel,
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      "popupshown"
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    );
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    EventUtils.synthesizeKey("VK_TAB", { ctrlKey: true });
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    info("Waiting for the preview <img> to be loaded");
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    await imgExists;
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    ok(
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      true,
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      `The preview image is an <img> with src="${observedPreview._canvas.firstElementChild.src}"`
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    );
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    await panelShownAgain;
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    await releaseCtrl();
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    for (let i = gBrowser.tabs.length - 1; i > 0; i--) {
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      await BrowserTestUtils.removeTab(gBrowser.tabs[i]);
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    }
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    checkTabs(1);
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  }
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  /* private utility functions */
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  /**
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   * @return the number of times (Shift+)Ctrl+Tab was pressed
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   */
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  async function pressCtrlTab(aShiftKey = false) {
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    let promise;
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    if (!isOpen() && canOpen()) {
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      ok(
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        !aShiftKey,
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        "Shouldn't attempt to open the panel by pressing Shift+Ctrl+Tab"
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      );
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      info("Pressing Ctrl+Tab to open the panel");
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      promise = BrowserTestUtils.waitForEvent(ctrlTab.panel, "popupshown");
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    } else {
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      info(
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        `Pressing ${aShiftKey ? "Shift+" : ""}Ctrl+Tab while the panel is open`
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      );
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      promise = BrowserTestUtils.waitForEvent(document, "keyup");
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    }
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    EventUtils.synthesizeKey("VK_TAB", {
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      ctrlKey: true,
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      shiftKey: !!aShiftKey,
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    });
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    await promise;
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    if (document.activeElement == ctrlTab.showAllButton) {
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      info("Repeating keypress to skip over the 'List all tabs' button");
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      return 1 + (await pressCtrlTab(aShiftKey));
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    }
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    return 1;
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  }
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  async function releaseCtrl() {
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    let promise;
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    if (isOpen()) {
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      promise = BrowserTestUtils.waitForEvent(ctrlTab.panel, "popuphidden");
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    } else {
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      promise = BrowserTestUtils.waitForEvent(document, "keyup");
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    }
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    EventUtils.synthesizeKey("VK_CONTROL", { type: "keyup" });
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    await promise;
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  }
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  async function synthesizeCtrlW() {
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    let promise = BrowserTestUtils.waitForEvent(
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      gBrowser.tabContainer,
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      "TabClose"
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    );
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    EventUtils.synthesizeKey("w", { ctrlKey: true });
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    await promise;
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  }
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  function isOpen() {
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    return ctrlTab.isOpen;
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  }
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  function canOpen() {
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    return (
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      Services.prefs.getBoolPref("browser.ctrlTab.sortByRecentlyUsed") &&
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      gBrowser.tabs.length > 2
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    );
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  }
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  function checkTabs(aTabs) {
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    is(gBrowser.tabs.length, aTabs, "number of open tabs should be " + aTabs);
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  }
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  function selectTabs(tabs) {
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    tabs.forEach(function (index) {
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      gBrowser.selectedTab = gBrowser.tabs[index];
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    });
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  }
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  async function ctrlTabTest(tabsToSelect, tabTimes, expectedIndex) {
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    selectTabs(tabsToSelect);
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    var indexStart = gBrowser.tabContainer.selectedIndex;
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    var tabCount = gBrowser.visibleTabs.length;
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    var normalized = tabTimes % tabCount;
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    var where =
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      normalized == 1
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        ? "back to the previously selected tab"
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        : normalized + " tabs back in most-recently-selected order";
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    // Add keyup listener to all content documents.
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    await Promise.all(
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      gBrowser.tabs.map(tab =>
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        SpecialPowers.spawn(tab.linkedBrowser, [], () => {
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          if (!content.windowGlobalChild?.isInProcess) {
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            content.window.addEventListener("keyup", () => {
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              content.window._ctrlTabTestKeyupHappend = true;
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            });
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          }
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        })
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      )
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    );
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    let numTimesPressed = 0;
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    for (let i = 0; i < tabTimes; i++) {
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      numTimesPressed += await pressCtrlTab();
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      if (tabCount > 2) {
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        is(
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          gBrowser.tabContainer.selectedIndex,
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          indexStart,
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          "Selected tab doesn't change while tabbing"
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        );
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      }
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    }
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    if (tabCount > 2) {
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      ok(
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        isOpen(),
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        "With " + tabCount + " visible tabs, Ctrl+Tab opens the preview panel"
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      );
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      await releaseCtrl();
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      ok(!isOpen(), "Releasing Ctrl closes the preview panel");
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    } else {
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      ok(
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        !isOpen(),
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        "With " +
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          tabCount +
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          " visible tabs, Ctrl+Tab doesn't open the preview panel"
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      );
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    }
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    is(
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      gBrowser.tabContainer.selectedIndex,
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      expectedIndex,
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      "With " +
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        tabCount +
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        " visible tabs and tab " +
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        indexStart +
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        " selected, Ctrl+Tab*" +
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        numTimesPressed +
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        " goes " +
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        where
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    );
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    const keyupEvents = await Promise.all(
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      gBrowser.tabs.map(tab =>
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        SpecialPowers.spawn(
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          tab.linkedBrowser,
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          [],
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          () => !!content.window._ctrlTabTestKeyupHappend
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        )
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      )
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    );
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    ok(
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						|
      keyupEvents.every(isKeyupHappned => !isKeyupHappned),
 | 
						|
      "Content document doesn't capture Keyup event during cycling tabs"
 | 
						|
    );
 | 
						|
  }
 | 
						|
});
 |