base/threading/thread_id_name_manager_unittest.cc

   1 // Copyright (c) 2012 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 "base/threading/thread_id_name_manager.h"
   6
   7 #include "base/threading/platform_thread.h"
   8 #include "base/threading/thread.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "testing/platform_test.h"
  11
  12 typedef PlatformTest ThreadIdNameManagerTest;
  13
  14 namespace {
  15
  16 const char kAThread[] = "a thread";
  17 const char kBThread[] = "b thread";
  18
  19 TEST_F(ThreadIdNameManagerTest, AddThreads) {
  20   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
  21   base::Thread thread_a(kAThread);
  22   base::Thread thread_b(kBThread);
  23
  24   thread_a.Start();
  25   thread_b.Start();
  26
  27   EXPECT_STREQ(kAThread, manager->GetName(thread_a.thread_id()));
  28   EXPECT_STREQ(kBThread, manager->GetName(thread_b.thread_id()));
  29
  30   thread_b.Stop();
  31   thread_a.Stop();
  32 }
  33
  34 TEST_F(ThreadIdNameManagerTest, RemoveThreads) {
  35   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
  36   base::Thread thread_a(kAThread);
  37
  38   thread_a.Start();
  39   {
  40     base::Thread thread_b(kBThread);
  41     thread_b.Start();
  42     thread_b.Stop();
  43   }
  44   EXPECT_STREQ(kAThread, manager->GetName(thread_a.thread_id()));
  45
  46   thread_a.Stop();
  47   EXPECT_STREQ("", manager->GetName(thread_a.thread_id()));
  48 }
  49
  50 TEST_F(ThreadIdNameManagerTest, RestartThread) {
  51   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
  52   base::Thread thread_a(kAThread);
  53
  54   thread_a.Start();
  55   base::PlatformThreadId a_id = thread_a.thread_id();
  56   EXPECT_STREQ(kAThread, manager->GetName(a_id));
  57   thread_a.Stop();
  58
  59   thread_a.Start();
  60   EXPECT_STREQ("", manager->GetName(a_id));
  61   EXPECT_STREQ(kAThread, manager->GetName(thread_a.thread_id()));
  62   thread_a.Stop();
  63 }
  64
  65 TEST_F(ThreadIdNameManagerTest, ThreadNameInterning) {
  66   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
  67
  68   base::PlatformThreadId a_id = base::PlatformThread::CurrentId();
  69   base::PlatformThread::SetName("First Name");
  70   std::string version = manager->GetName(a_id);
  71
  72   base::PlatformThread::SetName("New name");
  73   EXPECT_NE(version, manager->GetName(a_id));
  74   base::PlatformThread::SetName("");
  75 }
  76
  77 TEST_F(ThreadIdNameManagerTest, ResettingNameKeepsCorrectInternedValue) {
  78   base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
  79
  80   base::PlatformThreadId a_id = base::PlatformThread::CurrentId();
  81   base::PlatformThread::SetName("Test Name");
  82   std::string version = manager->GetName(a_id);
  83
  84   base::PlatformThread::SetName("New name");
  85   EXPECT_NE(version, manager->GetName(a_id));
  86
  87   base::PlatformThread::SetName("Test Name");
  88   EXPECT_EQ(version, manager->GetName(a_id));
  89
  90   base::PlatformThread::SetName("");
  91 }
  92
  93 }  // namespace