| OLD | NEW |
|---|
| (Empty) |
| 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/logging.h" | |
| 6 #include "base/threading/simple_thread.h" | |
| 7 #include "base/threading/thread_local.h" | |
| 8 #include "base/synchronization/waitable_event.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 namespace base { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 class ThreadLocalTesterBase : public base::DelegateSimpleThreadPool::Delegate { | |
| 16 public: | |
| 17 typedef base::ThreadLocalPointer<char> TLPType; | |
| 18 | |
| 19 ThreadLocalTesterBase(TLPType* tlp, base::WaitableEvent* done) | |
| 20 : tlp_(tlp), | |
| 21 done_(done) { | |
| 22 } | |
| 23 ~ThreadLocalTesterBase() override {} | |
| 24 | |
| 25 protected: | |
| 26 TLPType* tlp_; | |
| 27 base::WaitableEvent* done_; | |
| 28 }; | |
| 29 | |
| 30 class SetThreadLocal : public ThreadLocalTesterBase { | |
| 31 public: | |
| 32 SetThreadLocal(TLPType* tlp, base::WaitableEvent* done) | |
| 33 : ThreadLocalTesterBase(tlp, done), | |
| 34 val_(NULL) { | |
| 35 } | |
| 36 ~SetThreadLocal() override {} | |
| 37 | |
| 38 void set_value(char* val) { val_ = val; } | |
| 39 | |
| 40 void Run() override { | |
| 41 DCHECK(!done_->IsSignaled()); | |
| 42 tlp_->Set(val_); | |
| 43 done_->Signal(); | |
| 44 } | |
| 45 | |
| 46 private: | |
| 47 char* val_; | |
| 48 }; | |
| 49 | |
| 50 class GetThreadLocal : public ThreadLocalTesterBase { | |
| 51 public: | |
| 52 GetThreadLocal(TLPType* tlp, base::WaitableEvent* done) | |
| 53 : ThreadLocalTesterBase(tlp, done), | |
| 54 ptr_(NULL) { | |
| 55 } | |
| 56 ~GetThreadLocal() override {} | |
| 57 | |
| 58 void set_ptr(char** ptr) { ptr_ = ptr; } | |
| 59 | |
| 60 void Run() override { | |
| 61 DCHECK(!done_->IsSignaled()); | |
| 62 *ptr_ = tlp_->Get(); | |
| 63 done_->Signal(); | |
| 64 } | |
| 65 | |
| 66 private: | |
| 67 char** ptr_; | |
| 68 }; | |
| 69 | |
| 70 } // namespace | |
| 71 | |
| 72 // In this test, we start 2 threads which will access a ThreadLocalPointer. We | |
| 73 // make sure the default is NULL, and the pointers are unique to the threads. | |
| 74 TEST(ThreadLocalTest, Pointer) { | |
| 75 base::DelegateSimpleThreadPool tp1("ThreadLocalTest tp1", 1); | |
| 76 base::DelegateSimpleThreadPool tp2("ThreadLocalTest tp1", 1); | |
| 77 tp1.Start(); | |
| 78 tp2.Start(); | |
| 79 | |
| 80 base::ThreadLocalPointer<char> tlp; | |
| 81 | |
| 82 static char* const kBogusPointer = reinterpret_cast<char*>(0x1234); | |
| 83 | |
| 84 char* tls_val; | |
| 85 base::WaitableEvent done(true, false); | |
| 86 | |
| 87 GetThreadLocal getter(&tlp, &done); | |
| 88 getter.set_ptr(&tls_val); | |
| 89 | |
| 90 // Check that both threads defaulted to NULL. | |
| 91 tls_val = kBogusPointer; | |
| 92 done.Reset(); | |
| 93 tp1.AddWork(&getter); | |
| 94 done.Wait(); | |
| 95 EXPECT_EQ(static_cast<char*>(NULL), tls_val); | |
| 96 | |
| 97 tls_val = kBogusPointer; | |
| 98 done.Reset(); | |
| 99 tp2.AddWork(&getter); | |
| 100 done.Wait(); | |
| 101 EXPECT_EQ(static_cast<char*>(NULL), tls_val); | |
| 102 | |
| 103 | |
| 104 SetThreadLocal setter(&tlp, &done); | |
| 105 setter.set_value(kBogusPointer); | |
| 106 | |
| 107 // Have thread 1 set their pointer value to kBogusPointer. | |
| 108 done.Reset(); | |
| 109 tp1.AddWork(&setter); | |
| 110 done.Wait(); | |
| 111 | |
| 112 tls_val = NULL; | |
| 113 done.Reset(); | |
| 114 tp1.AddWork(&getter); | |
| 115 done.Wait(); | |
| 116 EXPECT_EQ(kBogusPointer, tls_val); | |
| 117 | |
| 118 // Make sure thread 2 is still NULL | |
| 119 tls_val = kBogusPointer; | |
| 120 done.Reset(); | |
| 121 tp2.AddWork(&getter); | |
| 122 done.Wait(); | |
| 123 EXPECT_EQ(static_cast<char*>(NULL), tls_val); | |
| 124 | |
| 125 // Set thread 2 to kBogusPointer + 1. | |
| 126 setter.set_value(kBogusPointer + 1); | |
| 127 | |
| 128 done.Reset(); | |
| 129 tp2.AddWork(&setter); | |
| 130 done.Wait(); | |
| 131 | |
| 132 tls_val = NULL; | |
| 133 done.Reset(); | |
| 134 tp2.AddWork(&getter); | |
| 135 done.Wait(); | |
| 136 EXPECT_EQ(kBogusPointer + 1, tls_val); | |
| 137 | |
| 138 // Make sure thread 1 is still kBogusPointer. | |
| 139 tls_val = NULL; | |
| 140 done.Reset(); | |
| 141 tp1.AddWork(&getter); | |
| 142 done.Wait(); | |
| 143 EXPECT_EQ(kBogusPointer, tls_val); | |
| 144 | |
| 145 tp1.JoinAll(); | |
| 146 tp2.JoinAll(); | |
| 147 } | |
| 148 | |
| 149 TEST(ThreadLocalTest, Boolean) { | |
| 150 { | |
| 151 base::ThreadLocalBoolean tlb; | |
| 152 EXPECT_FALSE(tlb.Get()); | |
| 153 | |
| 154 tlb.Set(false); | |
| 155 EXPECT_FALSE(tlb.Get()); | |
| 156 | |
| 157 tlb.Set(true); | |
| 158 EXPECT_TRUE(tlb.Get()); | |
| 159 } | |
| 160 | |
| 161 // Our slot should have been freed, we're all reset. | |
| 162 { | |
| 163 base::ThreadLocalBoolean tlb; | |
| 164 EXPECT_FALSE(tlb.Get()); | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 } // namespace base | |
| OLD | NEW |
|---|
Chromium Code Reviews
