1// Protocol Buffers - Google's data interchange format 2// Copyright 2008 Google Inc. All rights reserved. 3// http://code.google.com/p/protobuf/ 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are 7// met: 8// 9// * Redistributions of source code must retain the above copyright 10// notice, this list of conditions and the following disclaimer. 11// * Redistributions in binary form must reproduce the above 12// copyright notice, this list of conditions and the following disclaimer 13// in the documentation and/or other materials provided with the 14// distribution. 15// * Neither the name of Google Inc. nor the names of its 16// contributors may be used to endorse or promote products derived from 17// this software without specific prior written permission. 18// 19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31// Author: kenton@google.com (Kenton Varda) 32// emulates google3/testing/base/public/googletest.h 33 34#ifndef GOOGLE_PROTOBUF_GOOGLETEST_H__ 35#define GOOGLE_PROTOBUF_GOOGLETEST_H__ 36 37#include <map> 38#include <vector> 39#include <google/protobuf/stubs/common.h> 40 41namespace google { 42namespace protobuf { 43 44// When running unittests, get the directory containing the source code. 45string TestSourceDir(); 46 47// When running unittests, get a directory where temporary files may be 48// placed. 49string TestTempDir(); 50 51// Capture all text written to stdout or stderr. 52void CaptureTestStdout(); 53void CaptureTestStderr(); 54 55// Stop capturing stdout or stderr and return the text captured. 56string GetCapturedTestStdout(); 57string GetCapturedTestStderr(); 58 59// For use with ScopedMemoryLog::GetMessages(). Inside Google the LogLevel 60// constants don't have the LOGLEVEL_ prefix, so the code that used 61// ScopedMemoryLog refers to LOGLEVEL_ERROR as just ERROR. 62#undef ERROR // defend against promiscuous windows.h 63static const LogLevel ERROR = LOGLEVEL_ERROR; 64static const LogLevel WARNING = LOGLEVEL_WARNING; 65 66// Receives copies of all LOG(ERROR) messages while in scope. Sample usage: 67// { 68// ScopedMemoryLog log; // constructor registers object as a log sink 69// SomeRoutineThatMayLogMessages(); 70// const vector<string>& warnings = log.GetMessages(ERROR); 71// } // destructor unregisters object as a log sink 72// This is a dummy implementation which covers only what is used by protocol 73// buffer unit tests. 74class ScopedMemoryLog { 75 public: 76 ScopedMemoryLog(); 77 virtual ~ScopedMemoryLog(); 78 79 // Fetches all messages with the given severity level. 80 const vector<string>& GetMessages(LogLevel error); 81 82 private: 83 map<LogLevel, vector<string> > messages_; 84 LogHandler* old_handler_; 85 86 static void HandleLog(LogLevel level, const char* filename, int line, 87 const string& message); 88 89 static ScopedMemoryLog* active_log_; 90 91 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ScopedMemoryLog); 92}; 93 94} // namespace protobuf 95} // namespace google 96 97#endif // GOOGLE_PROTOBUF_GOOGLETEST_H__ 98