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 <vector> 38#include <google/protobuf/stubs/common.h> 39 40namespace google { 41namespace protobuf { 42 43// When running unittests, get the directory containing the source code. 44string TestSourceDir(); 45 46// When running unittests, get a directory where temporary files may be 47// placed. 48string TestTempDir(); 49 50// Capture all text written to stdout or stderr. 51void CaptureTestStdout(); 52void CaptureTestStderr(); 53 54// Stop capturing stdout or stderr and return the text captured. 55string GetCapturedTestStdout(); 56string GetCapturedTestStderr(); 57 58// For use with ScopedMemoryLog::GetMessages(). Inside Google the LogLevel 59// constants don't have the LOGLEVEL_ prefix, so the code that used 60// ScopedMemoryLog refers to LOGLEVEL_ERROR as just ERROR. 61#undef ERROR // defend against promiscuous windows.h 62static const LogLevel ERROR = LOGLEVEL_ERROR; 63 64// Receives copies of all LOG(ERROR) messages while in scope. Sample usage: 65// { 66// ScopedMemoryLog log; // constructor registers object as a log sink 67// SomeRoutineThatMayLogMessages(); 68// const vector<string>& warnings = log.GetMessages(ERROR); 69// } // destructor unregisters object as a log sink 70// This is a dummy implementation which covers only what is used by protocol 71// buffer unit tests. 72class ScopedMemoryLog { 73 public: 74 ScopedMemoryLog(); 75 virtual ~ScopedMemoryLog(); 76 77 // Fetches all messages logged. The internal version of this class 78 // would only fetch messages at the given security level, but the protobuf 79 // open source version ignores the argument since we always pass ERROR 80 // anyway. 81 const vector<string>& GetMessages(LogLevel dummy) const; 82 83 private: 84 vector<string> messages_; 85 LogHandler* old_handler_; 86 87 static void HandleLog(LogLevel level, const char* filename, int line, 88 const string& message); 89 90 static ScopedMemoryLog* active_log_; 91 92 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ScopedMemoryLog); 93}; 94 95} // namespace protobuf 96} // namespace google 97 98#endif // GOOGLE_PROTOBUF_GOOGLETEST_H__ 99