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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Author: kenton@google.com (Kenton Varda)
// emulates google3/testing/base/public/googletest.h
#ifndef GOOGLE_PROTOBUF_GOOGLETEST_H__
#define GOOGLE_PROTOBUF_GOOGLETEST_H__
#include <vector>
#include <google/protobuf/stubs/common.h>
namespace google {
namespace protobuf {
// When running unittests, get the directory containing the source code.
string TestSourceDir();
// When running unittests, get a directory where temporary files may be
// placed.
string TestTempDir();
// Capture all text written to stdout or stderr.
void CaptureTestStdout();
void CaptureTestStderr();
// Stop capturing stdout or stderr and return the text captured.
string GetCapturedTestStdout();
string GetCapturedTestStderr();
// For use with ScopedMemoryLog::GetMessages(). Inside Google the LogLevel
// constants don't have the LOGLEVEL_ prefix, so the code that used
// ScopedMemoryLog refers to LOGLEVEL_ERROR as just ERROR.
static const LogLevel ERROR = LOGLEVEL_ERROR;
// Receives copies of all LOG(ERROR) messages while in scope. Sample usage:
// {
// ScopedMemoryLog log; // constructor registers object as a log sink
// SomeRoutineThatMayLogMessages();
// const vector<string>& warnings = log.GetMessages(ERROR);
// } // destructor unregisters object as a log sink
// This is a dummy implementation which covers only what is used by protocol
// buffer unit tests.
class ScopedMemoryLog {
public:
ScopedMemoryLog();
virtual ~ScopedMemoryLog();
// Fetches all messages logged. The internal version of this class
// would only fetch messages at the given security level, but the protobuf
// open source version ignores the argument since we always pass ERROR
// anyway.
const vector<string>& GetMessages(LogLevel dummy) const;
private:
vector<string> messages_;
LogHandler* old_handler_;
static void HandleLog(LogLevel level, const char* filename, int line,
const string& message);
static ScopedMemoryLog* active_log_;
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ScopedMemoryLog);
};
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_GOOGLETEST_H__
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