
This should hopefully fix static initializer warnings when rolling webrtc in Chromium. TEST=logging_unittest succeeds with enable_tracing==1 and fails appropriately with enable_tracing==0. Review URL: https://webrtc-codereview.appspot.com/939026 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3159 4adac7df-926f-26a2-2b94-8c16560cd09d
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/system_wrappers/interface/logging.h"
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#include "gtest/gtest.h"
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#include "webrtc/system_wrappers/interface/condition_variable_wrapper.h"
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#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
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#include "webrtc/system_wrappers/interface/scoped_ptr.h"
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#include "webrtc/system_wrappers/interface/sleep.h"
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#include "webrtc/system_wrappers/interface/trace.h"
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namespace webrtc {
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namespace {
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const size_t kBoilerplateLength = 71;
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class LoggingTest : public ::testing::Test, public TraceCallback {
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public:
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virtual void Print(TraceLevel level, const char* msg, int length) {
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CriticalSectionScoped cs(crit_.get());
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// We test the length here to ensure (with high likelihood) that only our
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// traces will be tested.
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if (level_ != kTraceNone &&
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expected_log_.str().size() == length - kBoilerplateLength - 1) {
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EXPECT_EQ(level_, level);
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EXPECT_EQ(expected_log_.str(), &msg[kBoilerplateLength]);
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level_ = kTraceNone;
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cv_->Wake();
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}
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}
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protected:
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LoggingTest()
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: crit_(CriticalSectionWrapper::CreateCriticalSection()),
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cv_(ConditionVariableWrapper::CreateConditionVariable()),
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level_(kTraceNone),
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expected_log_() {
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}
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void SetUp() {
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Trace::CreateTrace();
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Trace::SetTraceCallback(this);
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// Reduce the chance that spurious traces will ruin the test.
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Trace::SetLevelFilter(kTraceWarning | kTraceError);
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}
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void TearDown() {
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CriticalSectionScoped cs(crit_.get());
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Trace::SetTraceCallback(NULL);
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Trace::ReturnTrace();
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ASSERT_EQ(kTraceNone, level_) << "Print() was not called";
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}
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scoped_ptr<CriticalSectionWrapper> crit_;
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scoped_ptr<ConditionVariableWrapper> cv_;
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TraceLevel level_;
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int length_;
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std::ostringstream expected_log_;
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};
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TEST_F(LoggingTest, LogStream) {
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{
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CriticalSectionScoped cs(crit_.get());
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level_ = kTraceWarning;
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std::string msg = "Important message";
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expected_log_ << "(logging_unittest.cc:" << __LINE__ + 1 << "): " << msg;
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LOG(LS_WARNING) << msg;
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cv_->SleepCS(*crit_.get(), 2000);
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}
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}
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TEST_F(LoggingTest, LogFunctionError) {
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{
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CriticalSectionScoped cs(crit_.get());
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int bar = 42;
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int baz = 99;
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level_ = kTraceError;
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expected_log_ << "(logging_unittest.cc:" << __LINE__ + 2
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<< "): Foo failed: bar=" << bar << ", baz=" << baz;
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LOG_FERR2(LS_ERROR, Foo, bar, baz);
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cv_->SleepCS(*crit_.get(), 2000);
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}
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}
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} // namespace
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} // namespace webrtc
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