Track which apps the user has re-ordered on the NTP.

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"
@@ skipping 532 matching lines @@
 
     // This extension doesn't exist, so it should return -1.
     EXPECT_EQ(-1, prefs()->GetAppLaunchIndex("foo"));
   }
 
  private:
   scoped_refptr<Extension> extension_;
 };
 TEST_F(ExtensionPrefsAppLaunchIndex, ExtensionPrefsAppLaunchIndex) {}
 
+class ExtensionPrefsAppDraggedByUser : public ExtensionPrefsTest {
+ public:
+  virtual void Initialize() {
+    extension_ = prefs_.AddExtension("on_extension_installed");
+    EXPECT_FALSE(prefs()->WasAppDraggedByUser(extension_->id()));
+    prefs()->OnExtensionInstalled(extension_.get(),
+        Extension::ENABLED, false);
+  }
+
+  virtual void Verify() {
+    // Set the flag and see if it persisted.
+    prefs()->SetAppDraggedByUser(extension_->id());
+    EXPECT_TRUE(prefs()->WasAppDraggedByUser(extension_->id()));
+
+    // Make sure it doesn't change on consecutive calls.
+    prefs()->SetAppDraggedByUser(extension_->id());
+    EXPECT_TRUE(prefs()->WasAppDraggedByUser(extension_->id()));
+  }
+
+ private:
+  scoped_refptr<Extension> extension_;
+};
+TEST_F(ExtensionPrefsAppDraggedByUser, ExtensionPrefsAppDraggedByUser) {}
+
 namespace keys = extension_manifest_keys;
 
 class ExtensionPrefsPreferencesBase : public ExtensionPrefsTest {
  public:
   ExtensionPrefsPreferencesBase()
       : ExtensionPrefsTest(),
         ext1_(NULL),
         ext2_(NULL),
         ext3_(NULL),
         installed() {
@@ skipping 290 matching lines @@
     testing::Mock::VerifyAndClearExpectations(v1i);
     testing::Mock::VerifyAndClearExpectations(v2);
     testing::Mock::VerifyAndClearExpectations(v2i);
   }
 
   virtual void Verify() {
   }
 };
 TEST_F(ExtensionPrefsSetExtensionControlledPref,
     ExtensionPrefsSetExtensionControlledPref) {}