const kURL1 = "data:text/html,Should I stay or should I go?";
const kURL2 = "data:text/html,I shouldn't be here!";

/**
 * Verify that if we open a new tab and try to make it the selected tab while
 * print preview is up, that doesn't happen.
 * Also check that we switch back to the original tab on exiting Print Preview.
 */
add_task(async function() {
  await SpecialPowers.pushPrefEnv({
    set: [["print.tab_modal.enabled", false]],
  });
  await BrowserTestUtils.withNewTab(kURL1, async function(browser) {
    let originalTab = gBrowser.selectedTab;
    let tab = BrowserTestUtils.addTab(gBrowser, kURL2);
    document.getElementById("cmd_printPreview").doCommand();
    gBrowser.selectedTab = tab;
    await BrowserTestUtils.waitForCondition(
      () => gInPrintPreviewMode,
      "should be in print preview mode"
    );
    isnot(
      gBrowser.selectedTab,
      tab,
      "Selected tab should not be the tab we added"
    );
    is(
      gBrowser.selectedTab,
      PrintPreviewListener._printPreviewTab,
      "Selected tab should be the print preview tab"
    );
    gBrowser.selectedTab = tab;
    isnot(
      gBrowser.selectedTab,
      tab,
      "Selected tab should still not be the tab we added"
    );
    is(
      gBrowser.selectedTab,
      PrintPreviewListener._printPreviewTab,
      "Selected tab should still be the print preview tab"
    );
    let tabSwitched = BrowserTestUtils.switchTab(gBrowser, () => {
      PrintUtils.exitPrintPreview();
    });
    await BrowserTestUtils.waitForCondition(
      () => !gInPrintPreviewMode,
      "should no longer be in print preview mode"
    );
    await tabSwitched;
    is(
      gBrowser.selectedTab,
      originalTab,
      "Selected tab should be back to the original tab that we print previewed"
    );
    BrowserTestUtils.removeTab(tab);
  });
});