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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "system_wrappers/interface/thread_wrapper.h"
#include "gtest/gtest.h"
#include "system_wrappers/interface/trace.h"
namespace webrtc {
const int kLogTrace = 0;
class TestTraceCallback : public TraceCallback {
public:
virtual void Print(const TraceLevel level,
const char* traceString,
const int length) {
if (traceString) {
char* cmd_print = new char[length+1];
memcpy(cmd_print, traceString, length);
cmd_print[length] = '\0';
printf("%s\n", cmd_print);
fflush(stdout);
delete[] cmd_print;
}
}
};
class ThreadTest : public ::testing::Test {
public:
ThreadTest() {
StartTrace();
}
~ThreadTest() {
StopTrace();
}
private:
void StartTrace() {
if (kLogTrace) {
Trace::CreateTrace();
Trace::SetLevelFilter(webrtc::kTraceAll);
Trace::SetTraceCallback(&trace_);
}
}
void StopTrace() {
if (kLogTrace) {
Trace::ReturnTrace();
}
}
TestTraceCallback trace_;
};
// Function that does nothing, and reports success.
bool NullRunFunction(void* /* obj */) {
return true;
}
TEST_F(ThreadTest, StartStop) {
ThreadWrapper* thread = ThreadWrapper::CreateThread(&NullRunFunction);
unsigned int id = 42;
ASSERT_TRUE(thread->Start(id));
EXPECT_TRUE(thread->Stop());
delete thread;
}
// Function that sets a boolean.
bool SetFlagRunFunction(void* obj) {
bool* obj_as_bool = static_cast<bool*> (obj);
*obj_as_bool = true;
return true;
}
TEST_F(ThreadTest, RunFunctionIsCalled) {
bool flag = false;
ThreadWrapper* thread = ThreadWrapper::CreateThread(&SetFlagRunFunction,
&flag);
unsigned int id = 42;
ASSERT_TRUE(thread->Start(id));
// At this point, the flag may be either true or false.
EXPECT_TRUE(thread->Stop());
// We expect the thread to have run at least once.
EXPECT_TRUE(flag);
delete thread;
}
} // namespace webrtc
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