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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 "webrtc/system_wrappers/include/logging.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/system_wrappers/include/condition_variable_wrapper.h"
#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
#include "webrtc/system_wrappers/include/sleep.h"
#include "webrtc/system_wrappers/include/trace.h"
namespace webrtc {
namespace {
class LoggingTest : public ::testing::Test, public TraceCallback {
public:
virtual void Print(TraceLevel level, const char* msg, int length) {
CriticalSectionScoped cs(crit_.get());
// We test the length here to ensure (with high likelihood) that only our
// traces will be tested.
if (level_ != kTraceNone && static_cast<int>(expected_log_.str().size()) ==
length - Trace::kBoilerplateLength - 1) {
EXPECT_EQ(level_, level);
EXPECT_EQ(expected_log_.str(), &msg[Trace::kBoilerplateLength]);
level_ = kTraceNone;
cv_->Wake();
}
}
protected:
LoggingTest()
: crit_(CriticalSectionWrapper::CreateCriticalSection()),
cv_(ConditionVariableWrapper::CreateConditionVariable()),
level_(kTraceNone),
expected_log_() {
}
void SetUp() {
Trace::CreateTrace();
Trace::SetTraceCallback(this);
}
void TearDown() {
Trace::SetTraceCallback(NULL);
Trace::ReturnTrace();
CriticalSectionScoped cs(crit_.get());
ASSERT_EQ(kTraceNone, level_) << "Print() was not called";
}
rtc::scoped_ptr<CriticalSectionWrapper> crit_;
rtc::scoped_ptr<ConditionVariableWrapper> cv_;
TraceLevel level_ GUARDED_BY(crit_);
std::ostringstream expected_log_ GUARDED_BY(crit_);
};
TEST_F(LoggingTest, LogStream) {
{
CriticalSectionScoped cs(crit_.get());
level_ = kTraceWarning;
std::string msg = "Important message";
expected_log_ << "(logging_unittest.cc:" << __LINE__ + 1 << "): " << msg;
LOG(LS_WARNING) << msg;
cv_->SleepCS(*crit_.get(), 2000);
}
}
} // namespace
} // namespace webrtc
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