Add m-esr52 at 52.6.0

1 files changed, 89 insertions, 0 deletions

diff --git a/browser/components/sessionstore/test/browser_600545.js b/browser/components/sessionstore/test/browser_600545.js
new file mode 100644
index 000000000..6852357c2
--- /dev/null
+++ b/browser/components/sessionstore/test/browser_600545.js
@@ -0,0 +1,89 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+requestLongerTimeout(2);
+
+var stateBackup = JSON.parse(ss.getBrowserState());
+
+function test() {
+  /** Test for Bug 600545 **/
+  waitForExplicitFinish();
+  testBug600545();
+}
+
+function testBug600545() {
+  // Set the pref to false to cause non-app tabs to be stripped out on a save
+  Services.prefs.setBoolPref("browser.sessionstore.resume_from_crash", false);
+  Services.prefs.setIntPref("browser.sessionstore.interval", 2000);
+
+  registerCleanupFunction(function () {
+    Services.prefs.clearUserPref("browser.sessionstore.resume_from_crash");
+    Services.prefs.clearUserPref("browser.sessionstore.interval");
+  });
+
+  // This tests the following use case: When multiple windows are open
+  // and browser.sessionstore.resume_from_crash preference is false,
+  // tab session data for non-active window is stripped for non-pinned
+  // tabs.  This occurs after "sessionstore-state-write-complete"
+  // fires which will only fire in this case if there is at least one
+  // pinned tab.
+  let state = { windows: [
+    {
+      tabs: [
+        { entries: [{ url: "http://example.org#0" }], pinned:true },
+        { entries: [{ url: "http://example.com#1" }] },
+        { entries: [{ url: "http://example.com#2" }] },
+      ],
+      selected: 2
+    },
+    {
+      tabs: [
+        { entries: [{ url: "http://example.com#3" }] },
+        { entries: [{ url: "http://example.com#4" }] },
+        { entries: [{ url: "http://example.com#5" }] },
+        { entries: [{ url: "http://example.com#6" }] }
+      ],
+      selected: 3
+    }
+  ] };
+
+  waitForBrowserState(state, function() {
+    // Need to wait for SessionStore's saveState function to be called
+    // so that non-pinned tabs will be stripped from non-active window
+    waitForSaveState(function () {
+      let expectedNumberOfTabs = getStateTabCount(state);
+      let retrievedState = JSON.parse(ss.getBrowserState());
+      let actualNumberOfTabs = getStateTabCount(retrievedState);
+
+      is(actualNumberOfTabs, expectedNumberOfTabs,
+        "Number of tabs in retreived session data, matches number of tabs set.");
+
+      done();
+    });
+  });
+}
+
+function done() {
+  // Enumerate windows and close everything but our primary window. We can't
+  // use waitForFocus() because apparently it's buggy. See bug 599253.
+  let windowsEnum = Services.wm.getEnumerator("navigator:browser");
+  let closeWinPromises = [];
+  while (windowsEnum.hasMoreElements()) {
+    let currentWindow = windowsEnum.getNext();
+    if (currentWindow != window)
+      closeWinPromises.push(BrowserTestUtils.closeWindow(currentWindow));
+  }
+
+  Promise.all(closeWinPromises).then(() => {
+    waitForBrowserState(stateBackup, finish);
+  });
+}
+
+// Count up the number of tabs in the state data
+function getStateTabCount(aState) {
+  let tabCount = 0;
+  for (let i in aState.windows)
+    tabCount += aState.windows[i].tabs.length;
+  return tabCount;
+}