1 files changed, 104 insertions, 0 deletions
diff --git a/browser/base/content/test/urlbar/browser_urlbarAboutHomeLoading.js b/browser/base/content/test/urlbar/browser_urlbarAboutHomeLoading.js
new file mode 100644
index 000000000..792826eb1
--- /dev/null
+++ b/browser/base/content/test/urlbar/browser_urlbarAboutHomeLoading.js
@@ -0,0 +1,104 @@
+"use strict";
+
+const {TabStateFlusher} = Cu.import("resource:///modules/sessionstore/TabStateFlusher.jsm", {});
+
+/**
+ * Test what happens if loading a URL that should clear the
+ * location bar after a parent process URL.
+ */
+add_task(function* clearURLBarAfterParentProcessURL() {
+  let tab = yield new Promise(resolve => {
+    gBrowser.selectedTab = gBrowser.addTab("about:preferences");
+    let newTabBrowser = gBrowser.getBrowserForTab(gBrowser.selectedTab);
+    newTabBrowser.addEventListener("Initialized", function onInit() {
+      newTabBrowser.removeEventListener("Initialized", onInit, true);
+      resolve(gBrowser.selectedTab);
+    }, true);
+  });
+  document.getElementById("home-button").click();
+  yield BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+  is(gURLBar.value, "", "URL bar should be empty");
+  is(tab.linkedBrowser.userTypedValue, null, "The browser should have no recorded userTypedValue");
+  yield BrowserTestUtils.removeTab(tab);
+});
+
+/**
+ * Same as above, but open the tab without passing the URL immediately
+ * which changes behaviour in tabbrowser.xml.
+ */
+add_task(function* clearURLBarAfterParentProcessURLInExistingTab() {
+  let tab = yield new Promise(resolve => {
+    gBrowser.selectedTab = gBrowser.addTab();
+    let newTabBrowser = gBrowser.getBrowserForTab(gBrowser.selectedTab);
+    newTabBrowser.addEventListener("Initialized", function onInit() {
+      newTabBrowser.removeEventListener("Initialized", onInit, true);
+      resolve(gBrowser.selectedTab);
+    }, true);
+    newTabBrowser.loadURI("about:preferences");
+  });
+  document.getElementById("home-button").click();
+  yield BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+  is(gURLBar.value, "", "URL bar should be empty");
+  is(tab.linkedBrowser.userTypedValue, null, "The browser should have no recorded userTypedValue");
+  yield BrowserTestUtils.removeTab(tab);
+});
+
+/**
+ * Load about:home directly from an about:newtab page. Because it is an
+ * 'initial' page, we need to treat this specially if the user actually
+ * loads a page like this from the URL bar.
+ */
+add_task(function* clearURLBarAfterManuallyLoadingAboutHome() {
+  let promiseTabOpenedAndSwitchedTo = BrowserTestUtils.switchTab(gBrowser, () => {});
+  // This opens about:newtab:
+  BrowserOpenTab();
+  let tab = yield promiseTabOpenedAndSwitchedTo;
+  is(gURLBar.value, "", "URL bar should be empty");
+  is(tab.linkedBrowser.userTypedValue, null, "userTypedValue should be null");
+
+  gURLBar.value = "about:home";
+  gURLBar.select();
+  let aboutHomeLoaded = BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser, false, "about:home");
+  EventUtils.sendKey("return");
+  yield aboutHomeLoaded;
+
+  is(gURLBar.value, "", "URL bar should be empty");
+  is(tab.linkedBrowser.userTypedValue, null, "userTypedValue should be null");
+  yield BrowserTestUtils.removeTab(tab);
+});
+
+/**
+ * Ensure we don't show 'about:home' in the URL bar temporarily in new tabs
+ * while we're switching remoteness (when the URL we're loading and the
+ * default content principal are different).
+ */
+add_task(function* dontTemporarilyShowAboutHome() {
+  yield SpecialPowers.pushPrefEnv({set: [["browser.startup.page", 1]]});
+  let windowOpenedPromise = BrowserTestUtils.waitForNewWindow();
+  let win = OpenBrowserWindow();
+  yield windowOpenedPromise;
+  let promiseTabSwitch = BrowserTestUtils.switchTab(win.gBrowser, () => {});
+  win.BrowserOpenTab();
+  yield promiseTabSwitch;
+  yield TabStateFlusher.flush(win.gBrowser.selectedBrowser);
+  yield BrowserTestUtils.closeWindow(win);
+  ok(SessionStore.getClosedWindowCount(), "Should have a closed window");
+
+  windowOpenedPromise = BrowserTestUtils.waitForNewWindow();
+  win = SessionStore.undoCloseWindow(0);
+  yield windowOpenedPromise;
+  let wpl = {
+    onLocationChange(wpl, request, location, flags) {
+      is(win.gURLBar.value, "", "URL bar value should stay empty.");
+    },
+  };
+  win.gBrowser.addProgressListener(wpl);
+  let otherTab = win.gBrowser.selectedTab.previousSibling;
+  let tabLoaded = BrowserTestUtils.browserLoaded(otherTab.linkedBrowser, false, "about:home");
+  yield BrowserTestUtils.switchTab(win.gBrowser, otherTab);
+  yield tabLoaded;
+  win.gBrowser.removeProgressListener(wpl);
+  is(win.gURLBar.value, "", "URL bar value should be empty.");
+
+  yield BrowserTestUtils.closeWindow(win);
+});