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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include <memory> | |
6 | |
5 #include "base/atomic_sequence_num.h" | 7 #include "base/atomic_sequence_num.h" |
6 #include "base/strings/string_number_conversions.h" | 8 #include "base/strings/string_number_conversions.h" |
7 #include "base/synchronization/waitable_event.h" | 9 #include "base/synchronization/waitable_event.h" |
10 #include "base/test/gtest_util.h" | |
11 #include "base/threading/platform_thread.h" | |
8 #include "base/threading/simple_thread.h" | 12 #include "base/threading/simple_thread.h" |
13 #include "base/time/time.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | 14 #include "testing/gtest/include/gtest/gtest.h" |
10 | 15 |
11 namespace base { | 16 namespace base { |
12 | 17 |
13 namespace { | 18 namespace { |
14 | 19 |
20 // Sleeps a tiny amount to augment chances of tests using it running in races | |
21 // should there be any while the tested thread is alive. | |
22 class SleepRunner : public DelegateSimpleThread::Delegate { | |
23 void Run() override { | |
24 PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(20)); | |
Lei Zhang
2016/08/03 23:24:12
no need for base:: inside base.
gab
2016/08/04 14:35:01
Done.
| |
25 } | |
26 }; | |
27 | |
15 class SetIntRunner : public DelegateSimpleThread::Delegate { | 28 class SetIntRunner : public DelegateSimpleThread::Delegate { |
16 public: | 29 public: |
17 SetIntRunner(int* ptr, int val) : ptr_(ptr), val_(val) { } | 30 SetIntRunner(int* ptr, int val) : ptr_(ptr), val_(val) { } |
18 ~SetIntRunner() override {} | 31 ~SetIntRunner() override {} |
19 | 32 |
20 void Run() override { *ptr_ = val_; } | 33 void Run() override { *ptr_ = val_; } |
21 | 34 |
22 private: | 35 private: |
23 int* ptr_; | 36 int* ptr_; |
24 int val_; | 37 int val_; |
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126 | 139 |
127 EXPECT_TRUE(event.IsSignaled()); | 140 EXPECT_TRUE(event.IsSignaled()); |
128 thread.Join(); | 141 thread.Join(); |
129 | 142 |
130 // We keep the name and tid, even after the thread is gone. | 143 // We keep the name and tid, even after the thread is gone. |
131 EXPECT_EQ(thread.name_prefix(), "event_waiter"); | 144 EXPECT_EQ(thread.name_prefix(), "event_waiter"); |
132 EXPECT_EQ(thread.name(), | 145 EXPECT_EQ(thread.name(), |
133 std::string("event_waiter/") + IntToString(thread.tid())); | 146 std::string("event_waiter/") + IntToString(thread.tid())); |
134 } | 147 } |
135 | 148 |
149 TEST(SimpleThreadTest, JoinNonJoinableThreadDeath) { | |
150 SleepRunner runner; | |
151 SimpleThread::Options options; | |
152 options.joinable = false; | |
153 DelegateSimpleThread thread(&runner, "noop_runner", options); | |
154 | |
155 thread.Start(); | |
156 EXPECT_DCHECK_DEATH(thread.Join(), ""); | |
157 } | |
158 | |
159 TEST(SimpleThreadTest, DeleteNonJoinableWithoutJoinIsSafe) { | |
160 SleepRunner runner; | |
161 SimpleThread::Options options; | |
162 options.joinable = false; | |
163 DelegateSimpleThread thread(&runner, "noop_runner", options); | |
164 thread.Start(); | |
165 // Nothing blows up when |thread| goes out of scope. | |
166 } | |
167 | |
136 TEST(SimpleThreadTest, ThreadPool) { | 168 TEST(SimpleThreadTest, ThreadPool) { |
137 AtomicSequenceNumber seq; | 169 AtomicSequenceNumber seq; |
138 SeqRunner runner(&seq); | 170 SeqRunner runner(&seq); |
139 DelegateSimpleThreadPool pool("seq_runner", 10); | 171 DelegateSimpleThreadPool pool("seq_runner", 10); |
140 | 172 |
141 // Add work before we're running. | 173 // Add work before we're running. |
142 pool.AddWork(&runner, 300); | 174 pool.AddWork(&runner, 300); |
143 | 175 |
144 EXPECT_EQ(seq.GetNext(), 0); | 176 EXPECT_EQ(seq.GetNext(), 0); |
145 pool.Start(); | 177 pool.Start(); |
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160 VerifyPoolRunner verifier(&seq2, 9, &event); | 192 VerifyPoolRunner verifier(&seq2, 9, &event); |
161 pool.Start(); | 193 pool.Start(); |
162 | 194 |
163 pool.AddWork(&verifier, 10); | 195 pool.AddWork(&verifier, 10); |
164 | 196 |
165 pool.JoinAll(); | 197 pool.JoinAll(); |
166 EXPECT_EQ(seq2.GetNext(), 10); | 198 EXPECT_EQ(seq2.GetNext(), 10); |
167 } | 199 } |
168 | 200 |
169 } // namespace base | 201 } // namespace base |
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