"use strict";

const SLOW_PAGE = "http://www.example.com/browser/browser/base/content/test/urlbar/slow-page.sjs";
const SLOW_PAGE2 = "http://mochi.test:8888/browser/browser/base/content/test/urlbar/slow-page.sjs?faster";

/**
 * Check that if we:
 * 1) have a loaded page
 * 2) load a separate URL
 * 3) before the URL for step 2 has finished loading, load a third URL
 * we don't revert to the URL from (1).
 */
add_task(function*() {
  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, "http://example.com", true, true);

  let expectedURLBarChange = SLOW_PAGE;
  let sawChange = false;
  let handler = e => {
    sawChange = true;
    is(gURLBar.value, expectedURLBarChange, "Should not change URL bar value!");
  };

  let obs = new MutationObserver(handler);

  obs.observe(gURLBar, {attributes: true});
  gURLBar.value = SLOW_PAGE;
  gURLBar.handleCommand();

  // If this ever starts going intermittent, we've broken this.
  yield new Promise(resolve => setTimeout(resolve, 200));
  expectedURLBarChange = SLOW_PAGE2;
  let pageLoadPromise = BrowserTestUtils.browserLoaded(tab.linkedBrowser);
  gURLBar.value = expectedURLBarChange;
  gURLBar.handleCommand();
  is(gURLBar.value, expectedURLBarChange, "Should not have changed URL bar value synchronously.");
  yield pageLoadPromise;
  ok(sawChange, "The URL bar change handler should have been called by the time the page was loaded");
  obs.disconnect();
  obs = null;
  yield BrowserTestUtils.removeTab(tab);
});

/**
 * Check that if we:
 * 1) middle-click a link to a separate page whose server doesn't respond
 * 2) we switch to that tab and stop the request
 *
 * The URL bar continues to contain the URL of the page we wanted to visit.
 */
add_task(function*() {
  let socket = Cc["@mozilla.org/network/server-socket;1"].createInstance(Ci.nsIServerSocket);
  socket.init(-1, true, -1);
  const PORT = socket.port;
  registerCleanupFunction(() => { socket.close(); });

  const TEST_PATH = getRootDirectory(gTestPath).replace("chrome://mochitests/content", "https://example.com");
  const BASE_PAGE = TEST_PATH + "dummy_page.html";
  const SLOW_HOST = `https://localhost:${PORT}/`;
  info("Using URLs: " + SLOW_HOST);
  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_PAGE);
  info("opened tab");
  yield ContentTask.spawn(tab.linkedBrowser, SLOW_HOST, URL => {
    let link = content.document.createElement("a");
    link.href = URL;
    link.textContent = "click me to open a slow page";
    link.id = "clickme"
    content.document.body.appendChild(link);
  });
  info("added link");
  let newTabPromise = BrowserTestUtils.waitForEvent(gBrowser.tabContainer, "TabOpen");
  // Middle click the link:
  yield BrowserTestUtils.synthesizeMouseAtCenter("#clickme", { button: 1 }, tab.linkedBrowser);
  // get new tab, switch to it
  let newTab = (yield newTabPromise).target;
  yield BrowserTestUtils.switchTab(gBrowser, newTab);
  is(gURLBar.value, SLOW_HOST, "Should have slow page in URL bar");
  let browserStoppedPromise = BrowserTestUtils.browserStopped(newTab.linkedBrowser);
  BrowserStop();
  yield browserStoppedPromise;

  is(gURLBar.value, SLOW_HOST, "Should still have slow page in URL bar after stop");
  yield BrowserTestUtils.removeTab(newTab);
  yield BrowserTestUtils.removeTab(tab);
});
/**
 * Check that if we:
 * 1) middle-click a link to a separate page whose server doesn't respond
 * 2) we alter the URL on that page to some other server that doesn't respond
 * 3) we stop the request
 *
 * The URL bar continues to contain the second URL.
 */
add_task(function*() {
  let socket = Cc["@mozilla.org/network/server-socket;1"].createInstance(Ci.nsIServerSocket);
  socket.init(-1, true, -1);
  const PORT1 = socket.port;
  let socket2 = Cc["@mozilla.org/network/server-socket;1"].createInstance(Ci.nsIServerSocket);
  socket2.init(-1, true, -1);
  const PORT2 = socket2.port;
  registerCleanupFunction(() => { socket.close(); socket2.close(); });

  const TEST_PATH = getRootDirectory(gTestPath).replace("chrome://mochitests/content", "https://example.com");
  const BASE_PAGE = TEST_PATH + "dummy_page.html";
  const SLOW_HOST1 = `https://localhost:${PORT1}/`;
  const SLOW_HOST2 = `https://localhost:${PORT2}/`;
  info("Using URLs: " + SLOW_HOST1 + " and " + SLOW_HOST2);
  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser, BASE_PAGE);
  info("opened tab");
  yield ContentTask.spawn(tab.linkedBrowser, SLOW_HOST1, URL => {
    let link = content.document.createElement("a");
    link.href = URL;
    link.textContent = "click me to open a slow page";
    link.id = "clickme"
    content.document.body.appendChild(link);
  });
  info("added link");
  let newTabPromise = BrowserTestUtils.waitForEvent(gBrowser.tabContainer, "TabOpen");
  // Middle click the link:
  yield BrowserTestUtils.synthesizeMouseAtCenter("#clickme", { button: 1 }, tab.linkedBrowser);
  // get new tab, switch to it
  let newTab = (yield newTabPromise).target;
  yield BrowserTestUtils.switchTab(gBrowser, newTab);
  is(gURLBar.value, SLOW_HOST1, "Should have slow page in URL bar");
  let browserStoppedPromise = BrowserTestUtils.browserStopped(newTab.linkedBrowser);
  gURLBar.value = SLOW_HOST2;
  gURLBar.handleCommand();
  yield browserStoppedPromise;

  is(gURLBar.value, SLOW_HOST2, "Should have second slow page in URL bar");
  browserStoppedPromise = BrowserTestUtils.browserStopped(newTab.linkedBrowser);
  BrowserStop();
  yield browserStoppedPromise;

  is(gURLBar.value, SLOW_HOST2, "Should still have second slow page in URL bar after stop");
  yield BrowserTestUtils.removeTab(newTab);
  yield BrowserTestUtils.removeTab(tab);
});