chrome/browser/chrome_process_singleton_win_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_process_singleton.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/files/file_path.h"
  11 #include "base/files/scoped_temp_dir.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace {
  15
  16 bool ServerCallback(int* callback_count,
  17                     const base::CommandLine& command_line,
  18                     const base::FilePath& current_directory) {
  19   ++(*callback_count);
  20   return true;
  21 }
  22
  23 bool ClientCallback(const base::CommandLine& command_line,
  24                     const base::FilePath& current_directory) {
  25   ADD_FAILURE();
  26   return false;
  27 }
  28
  29 }  // namespace
  30
  31 TEST(ChromeProcessSingletonTest, Basic) {
  32   base::ScopedTempDir profile_dir;
  33   ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
  34
  35   int callback_count = 0;
  36
  37   ChromeProcessSingleton ps1(
  38       profile_dir.path(),
  39       base::Bind(&ServerCallback, base::Unretained(&callback_count)));
  40   ps1.Unlock();
  41
  42   ChromeProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
  43   ps2.Unlock();
  44
  45   ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
  46
  47   ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
  48   ASSERT_EQ(0, callback_count);
  49
  50   result = ps2.NotifyOtherProcessOrCreate();
  51   ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
  52
  53   ASSERT_EQ(1, callback_count);
  54 }
  55
  56 TEST(ChromeProcessSingletonTest, Lock) {
  57   base::ScopedTempDir profile_dir;
  58   ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
  59
  60   int callback_count = 0;
  61
  62   ChromeProcessSingleton ps1(
  63       profile_dir.path(),
  64       base::Bind(&ServerCallback, base::Unretained(&callback_count)));
  65
  66   ChromeProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
  67   ps2.Unlock();
  68
  69   ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
  70
  71   ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
  72   ASSERT_EQ(0, callback_count);
  73
  74   result = ps2.NotifyOtherProcessOrCreate();
  75   ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
  76
  77   ASSERT_EQ(0, callback_count);
  78   ps1.Unlock();
  79   ASSERT_EQ(1, callback_count);
  80 }
  81
  82 #if defined(OS_WIN) && !defined(USE_AURA)
  83 namespace {
  84
  85 void SetForegroundWindowHandler(bool* flag,
  86                                 gfx::NativeWindow /* target_window */) {
  87   *flag = true;
  88 }
  89
  90 }  // namespace
  91
  92 TEST(ChromeProcessSingletonTest, LockWithModalDialog) {
  93   base::ScopedTempDir profile_dir;
  94   ASSERT_TRUE(profile_dir.CreateUniqueTempDir());
  95
  96   int callback_count = 0;
  97   bool called_set_foreground_window = false;
  98
  99   ChromeProcessSingleton ps1(
 100       profile_dir.path(),
 101       base::Bind(&ServerCallback, base::Unretained(&callback_count)),
 102       base::Bind(&SetForegroundWindowHandler,
 103                  base::Unretained(&called_set_foreground_window)));
 104   ps1.SetActiveModalDialog(::GetShellWindow());
 105
 106   ChromeProcessSingleton ps2(profile_dir.path(), base::Bind(&ClientCallback));
 107   ps2.Unlock();
 108
 109   ProcessSingleton::NotifyResult result = ps1.NotifyOtherProcessOrCreate();
 110
 111   ASSERT_EQ(ProcessSingleton::PROCESS_NONE, result);
 112   ASSERT_EQ(0, callback_count);
 113
 114   ASSERT_FALSE(called_set_foreground_window);
 115   result = ps2.NotifyOtherProcessOrCreate();
 116   ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
 117   ASSERT_TRUE(called_set_foreground_window);
 118
 119   ASSERT_EQ(0, callback_count);
 120   ps1.SetActiveModalDialog(NULL);
 121   ps1.Unlock();
 122   // The notification sent while a modal dialog was present was silently
 123   // dropped.
 124   ASSERT_EQ(0, callback_count);
 125
 126   // But now that the active modal dialog is NULL notifications will be handled.
 127   result = ps2.NotifyOtherProcessOrCreate();
 128   ASSERT_EQ(ProcessSingleton::PROCESS_NOTIFIED, result);
 129   ASSERT_EQ(1, callback_count);
 130 }
 131 #endif  // defined(OS_WIN) && !defined(USE_AURA)