/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Tests that if we have tabs that are still in the "click to
 * restore" state, that if their browsers crash, that we don't
 * show the crashed state for those tabs (since selecting them
 * should restore them anyway).
 */

const PREF = "browser.sessionstore.restore_on_demand";
const PAGE = "data:text/html,<html><body>A%20regular,%20everyday,%20normal%20page.";

add_task(async function test() {
  await pushPrefs([PREF, true]);

  await BrowserTestUtils.withNewTab({
    gBrowser,
    url: PAGE,
  }, async function(browser) {
    await TabStateFlusher.flush(browser);

    // We'll create a second "pending" tab. This is the one we'll
    // ensure doesn't go to about:tabcrashed. We start it non-remote
    // since this is how SessionStore creates all browsers before
    // they are restored.
    let unrestoredTab = BrowserTestUtils.addTab(gBrowser, "about:blank", {
      skipAnimation: true,
      forceNotRemote: true,
    });

    let state = {
      entries: [{url: PAGE, triggeringPrincipal_base64}],
    };

    ss.setTabState(unrestoredTab, JSON.stringify(state));

    ok(!unrestoredTab.hasAttribute("crashed"), "tab is not crashed");
    ok(unrestoredTab.hasAttribute("pending"), "tab is pending");

    // Now crash the selected browser.
    await BrowserTestUtils.crashBrowser(browser);

    ok(!unrestoredTab.hasAttribute("crashed"), "tab is still not crashed");
    ok(unrestoredTab.hasAttribute("pending"), "tab is still pending");

    // Selecting the tab should now restore it.
    gBrowser.selectedTab = unrestoredTab;
    await promiseTabRestored(unrestoredTab);

    ok(!unrestoredTab.hasAttribute("crashed"), "tab is still not crashed");
    ok(!unrestoredTab.hasAttribute("pending"), "tab is no longer pending");

    // The original tab should still be crashed
    let originalTab = gBrowser.getTabForBrowser(browser);
    ok(originalTab.hasAttribute("crashed"), "original tab is crashed");
    ok(!originalTab.isRemoteBrowser, "Should not be remote");

    // We'd better be able to restore it still.
    gBrowser.selectedTab = originalTab;
    SessionStore.reviveCrashedTab(originalTab);
    await promiseTabRestored(originalTab);

    // Clean up.
    await BrowserTestUtils.removeTab(unrestoredTab);
  });
});
