diff -r 000000000000 -r 6474c204b198 browser/base/content/test/general/browser_sanitize-download-history.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/general/browser_sanitize-download-history.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,142 @@
+/* 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/. */
+
+
+function test()
+{
+  //////////////////////////////////////////////////////////////////////////////
+  //// Tests (defined locally for scope's sake)
+
+  function test_checkedAndDisabledAtStart(aWin)
+  {
+    let doc = aWin.document;
+    let downloads = doc.getElementById("downloads-checkbox");
+    let history = doc.getElementById("history-checkbox");
+
+    ok(history.checked, "history checkbox is checked");
+    ok(downloads.disabled, "downloads checkbox is disabled");
+    ok(downloads.checked, "downloads checkbox is checked");
+  }
+
+  function test_checkedAndDisabledOnHistoryToggle(aWin)
+  {
+    let doc = aWin.document;
+    let downloads = doc.getElementById("downloads-checkbox");
+    let history = doc.getElementById("history-checkbox");
+
+    EventUtils.synthesizeMouse(history, 0, 0, {}, aWin);
+    ok(!history.checked, "history checkbox is not checked");
+    ok(downloads.disabled, "downloads checkbox is disabled");
+    ok(downloads.checked, "downloads checkbox is checked");
+  }
+
+  function test_checkedAfterAddingDownload(aWin)
+  {
+    let doc = aWin.document;
+    let downloads = doc.getElementById("downloads-checkbox");
+    let history = doc.getElementById("history-checkbox");
+
+    // Add download to DB
+    let file = Cc["@mozilla.org/file/directory_service;1"].
+               getService(Ci.nsIProperties).get("TmpD", Ci.nsIFile);
+    file.append("sanitize-dm-test.file");
+    file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0666);
+    let testPath = Services.io.newFileURI(file).spec;
+    let data = {
+      name: "381603.patch",
+      source: "https://bugzilla.mozilla.org/attachment.cgi?id=266520",
+      target: testPath,
+      startTime: 1180493839859230,
+      endTime: 1180493839859239,
+      state: Ci.nsIDownloadManager.DOWNLOAD_FINISHED,
+      currBytes: 0, maxBytes: -1, preferredAction: 0, autoResume: 0,
+      guid: "a1bcD23eF4g5"
+    };
+    let db = Cc["@mozilla.org/download-manager;1"].
+             getService(Ci.nsIDownloadManager).DBConnection;
+    let stmt = db.createStatement(
+      "INSERT INTO moz_downloads (name, source, target, startTime, endTime, " +
+        "state, currBytes, maxBytes, preferredAction, autoResume, guid) " +
+      "VALUES (:name, :source, :target, :startTime, :endTime, :state, " +
+        ":currBytes, :maxBytes, :preferredAction, :autoResume, :guid)");
+    try {
+      for (let prop in data)
+        stmt.params[prop] = data[prop];
+      stmt.execute();
+    }
+    finally {
+      stmt.finalize();
+    }
+
+    // Toggle history to get everything to update
+    EventUtils.synthesizeMouse(history, 0, 0, {}, aWin);
+    EventUtils.synthesizeMouse(history, 0, 0, {}, aWin);
+
+    ok(!history.checked, "history checkbox is not checked");
+    ok(!downloads.disabled, "downloads checkbox is not disabled");
+    ok(downloads.checked, "downloads checkbox is checked");
+  }
+
+  function test_checkedAndDisabledWithHistoryChecked(aWin)
+  {
+    let doc = aWin.document;
+    let downloads = doc.getElementById("downloads-checkbox");
+    let history = doc.getElementById("history-checkbox");
+
+    EventUtils.synthesizeMouse(history, 0, 0, {}, aWin);
+    ok(history.checked, "history checkbox is checked");
+    ok(downloads.disabled, "downloads checkbox is disabled");
+    ok(downloads.checked, "downloads checkbox is checked");
+  }
+
+  let tests = [
+    test_checkedAndDisabledAtStart,
+    test_checkedAndDisabledOnHistoryToggle,
+    test_checkedAfterAddingDownload,
+    test_checkedAndDisabledWithHistoryChecked,
+  ];
+
+  //////////////////////////////////////////////////////////////////////////////
+  //// Run the tests
+
+  let dm = Cc["@mozilla.org/download-manager;1"].
+           getService(Ci.nsIDownloadManager);
+  let db = dm.DBConnection;
+
+  // Empty any old downloads
+  db.executeSimpleSQL("DELETE FROM moz_downloads");
+
+  // Close the UI if necessary
+  let win = Services.ww.getWindowByName("Sanitize", null);
+  if (win && (win instanceof Ci.nsIDOMWindow))
+    win.close();
+
+  // Start the test when the sanitize window loads
+  Services.ww.registerNotification(function (aSubject, aTopic, aData) {
+    Services.ww.unregisterNotification(arguments.callee);
+    aSubject.QueryInterface(Ci.nsIDOMEventTarget)
+            .addEventListener("DOMContentLoaded", doTest, false);
+  });
+
+  // Let the methods that run onload finish before we test
+  let doTest = function() setTimeout(function() {
+    let win = Services.ww.getWindowByName("Sanitize", null)
+                .QueryInterface(Ci.nsIDOMWindow);
+
+    for (let i = 0; i < tests.length; i++)
+      tests[i](win);
+
+    win.close();
+    finish();
+  }, 0);
+ 
+  // Show the UI
+  Services.ww.openWindow(window,
+                         "chrome://browser/content/sanitize.xul",
+                         "Sanitize",
+                         "chrome,titlebar,centerscreen",
+                         null);
+
+  waitForExplicitFinish();
+}