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
TEST_F(ThreadIdNameManagerTest,AddThreads)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.StartAndWaitForTesting();
25 thread_b.StartAndWaitForTesting();
26
27 EXPECT_STREQ(kAThread, manager->GetName(thread_a.GetThreadId()));
28 EXPECT_STREQ(kBThread, manager->GetName(thread_b.GetThreadId()));
29
30 thread_b.Stop();
31 thread_a.Stop();
32 }
33
TEST_F(ThreadIdNameManagerTest,RemoveThreads)34 TEST_F(ThreadIdNameManagerTest, RemoveThreads) {
35 base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
36 base::Thread thread_a(kAThread);
37
38 thread_a.StartAndWaitForTesting();
39 {
40 base::Thread thread_b(kBThread);
41 thread_b.StartAndWaitForTesting();
42 thread_b.Stop();
43 }
44 EXPECT_STREQ(kAThread, manager->GetName(thread_a.GetThreadId()));
45
46 thread_a.Stop();
47 EXPECT_STREQ("", manager->GetName(thread_a.GetThreadId()));
48 }
49
TEST_F(ThreadIdNameManagerTest,RestartThread)50 TEST_F(ThreadIdNameManagerTest, RestartThread) {
51 base::ThreadIdNameManager* manager = base::ThreadIdNameManager::GetInstance();
52 base::Thread thread_a(kAThread);
53
54 thread_a.StartAndWaitForTesting();
55 base::PlatformThreadId a_id = thread_a.GetThreadId();
56 EXPECT_STREQ(kAThread, manager->GetName(a_id));
57 thread_a.Stop();
58
59 thread_a.StartAndWaitForTesting();
60 EXPECT_STREQ("", manager->GetName(a_id));
61 EXPECT_STREQ(kAThread, manager->GetName(thread_a.GetThreadId()));
62 thread_a.Stop();
63 }
64
TEST_F(ThreadIdNameManagerTest,ThreadNameInterning)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
TEST_F(ThreadIdNameManagerTest,ResettingNameKeepsCorrectInternedValue)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
94