Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/prefs/command_line_pref_store_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 <gtest/gtest.h>
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
+#include "chrome/browser/prefs/incognito_mode_availability_prefs.h"
 #include "chrome/browser/prefs/proxy_config_dictionary.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "ui/base/ui_base_switches.h"
 
 namespace {
 
 class TestCommandLinePrefStore : public CommandLinePrefStore {
  public:
   explicit TestCommandLinePrefStore(CommandLine* cl)
@@ skipping 185 matching lines @@
   cl3.AppendSwitchASCII(switches::kCipherSuiteBlacklist,
                         "0x0004;MOAR;0x0005");
   scoped_refptr<TestCommandLinePrefStore> store3 =
       new TestCommandLinePrefStore(&cl3);
   const char* const expected_ciphers3[] = {
     "0x0004;MOAR;0x0005"
   };
   store3->VerifySSLCipherSuites(expected_ciphers3,
                                 arraysize(expected_ciphers3));
 }
+
+// Tests setting incognito mode availability preference using command line
+// swithces.
+TEST(CommandLinePrefStoreTest,
+     SetIncognitoModeAvailabilityPrefViaSwitch) {
+  CommandLine cl1(CommandLine::NO_PROGRAM);
+  // No switches.
+  scoped_refptr<TestCommandLinePrefStore> store1 =
+      new TestCommandLinePrefStore(&cl1);
+  const Value* actual = NULL;
+  EXPECT_EQ(PrefStore::READ_NO_VALUE,
+            store1->GetValue(prefs::kIncognitoModeAvailability, &actual));
+
+  CommandLine cl2(CommandLine::NO_PROGRAM);
+  cl2.AppendSwitch(switches::kIncognito);
+  // No switches.
+  scoped_refptr<TestCommandLinePrefStore> store2 =
+      new TestCommandLinePrefStore(&cl2);
+  actual = NULL;
+  ASSERT_EQ(PrefStore::READ_OK,
+            store2->GetValue(prefs::kIncognitoModeAvailability, &actual));
+  int result;
+  ASSERT_TRUE(actual->GetAsInteger(&result));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::FORCED, result);
+}