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 40 namespace google { 41 namespace protobuf { 42 43 // When running unittests, get the directory containing the source code. 44 string TestSourceDir(); 45 46 // When running unittests, get a directory where temporary files may be 47 // placed. 48 string TestTempDir(); 49 50 // Capture all text written to stdout or stderr. 51 void CaptureTestStdout(); 52 void CaptureTestStderr(); 53 54 // Stop capturing stdout or stderr and return the text captured. 55 string GetCapturedTestStdout(); 56 string 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 62 static 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. 72 class 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