ImportantFileWriter: check return value of PostTask...

chrome/browser/extensions/extension_prefs_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/scoped_temp_dir.h"
 #include "base/stl_util-inl.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/test_extension_prefs.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/common/notification_details.h"
 #include "content/common/notification_observer_mock.h"
 #include "content/common/notification_source.h"
+#include "content/browser/browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 using base::TimeDelta;
 
 namespace {
 
 const char kPref1[] = "path1.subpath";
 const char kPref2[] = "path2";
 const char kPref3[] = "path3";
@@ skipping 25 matching lines @@
   std::set<std::string> strings2;
   for (size_t i = 0; i < patterns2.size(); ++i)
     strings2.insert(patterns2.at(i).GetAsString());
 
   EXPECT_EQ(strings1, strings2);
 }
 
 // Base class for tests.
 class ExtensionPrefsTest : public testing::Test {
  public:
-  ExtensionPrefsTest() {}
+  ExtensionPrefsTest()
+      : ui_thread_(BrowserThread::UI, &message_loop_),
+        file_thread_(BrowserThread::FILE, &message_loop_) {
+  }
 
   // This function will get called once, and is the right place to do operations
   // on ExtensionPrefs that write data.
   virtual void Initialize() = 0;
 
   // This function will be called twice - once while the original ExtensionPrefs
   // object is still alive, and once after recreation. Thus, it tests that
   // things don't break after any ExtensionPrefs startup work.
   virtual void Verify() = 0;
 
@@ skipping 10 matching lines @@
 
     // Reset ExtensionPrefs, and re-verify.
     prefs_.RecreateExtensionPrefs();
     RegisterPreferences();
     Verify();
   }
 
  protected:
   ExtensionPrefs* prefs() { return prefs_.prefs(); }
 
+  MessageLoop message_loop_;
+  BrowserThread ui_thread_;
+  BrowserThread file_thread_;
+
   TestExtensionPrefs prefs_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefsTest);
 };
 
 // Tests the LastPingDay/SetLastPingDay functions.
 class ExtensionPrefsLastPingDay : public ExtensionPrefsTest {
  public:
   ExtensionPrefsLastPingDay()
@@ skipping 799 matching lines @@
     testing::Mock::VerifyAndClearExpectations(v1i);
     testing::Mock::VerifyAndClearExpectations(v2);
     testing::Mock::VerifyAndClearExpectations(v2i);
   }
 
   virtual void Verify() {
   }
 };
 TEST_F(ExtensionPrefsSetExtensionControlledPref,
     ExtensionPrefsSetExtensionControlledPref) {}