/thirdparty/breakpad/third_party/protobuf/protobuf/src/google/protobuf/compiler/cpp/cpp_plugin_unittest.cc

http://github.com/tomahawk-player/tomahawk · C++ · 121 lines · 69 code · 15 blank · 37 comment · 0 complexity · b8bd3f7033f2c8f5911d9945cc2bddf3 MD5 · raw file

  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. // Author: kenton@google.com (Kenton Varda)
  31. //
  32. // TODO(kenton): Share code with the versions of this test in other languages?
  33. // It seemed like parameterizing it would add more complexity than it is
  34. // worth.
  35. #include <google/protobuf/compiler/cpp/cpp_generator.h>
  36. #include <google/protobuf/compiler/command_line_interface.h>
  37. #include <google/protobuf/io/zero_copy_stream.h>
  38. #include <google/protobuf/io/printer.h>
  39. #include <google/protobuf/testing/googletest.h>
  40. #include <gtest/gtest.h>
  41. #include <google/protobuf/testing/file.h>
  42. namespace google {
  43. namespace protobuf {
  44. namespace compiler {
  45. namespace cpp {
  46. namespace {
  47. class TestGenerator : public CodeGenerator {
  48. public:
  49. TestGenerator() {}
  50. ~TestGenerator() {}
  51. virtual bool Generate(const FileDescriptor* file,
  52. const string& parameter,
  53. GeneratorContext* context,
  54. string* error) const {
  55. TryInsert("test.pb.h", "includes", context);
  56. TryInsert("test.pb.h", "namespace_scope", context);
  57. TryInsert("test.pb.h", "global_scope", context);
  58. TryInsert("test.pb.h", "class_scope:foo.Bar", context);
  59. TryInsert("test.pb.h", "class_scope:foo.Bar.Baz", context);
  60. TryInsert("test.pb.cc", "includes", context);
  61. TryInsert("test.pb.cc", "namespace_scope", context);
  62. TryInsert("test.pb.cc", "global_scope", context);
  63. return true;
  64. }
  65. void TryInsert(const string& filename, const string& insertion_point,
  66. GeneratorContext* context) const {
  67. scoped_ptr<io::ZeroCopyOutputStream> output(
  68. context->OpenForInsert(filename, insertion_point));
  69. io::Printer printer(output.get(), '$');
  70. printer.Print("// inserted $name$\n", "name", insertion_point);
  71. }
  72. };
  73. // This test verifies that all the expected insertion points exist. It does
  74. // not verify that they are correctly-placed; that would require actually
  75. // compiling the output which is a bit more than I care to do for this test.
  76. TEST(CppPluginTest, PluginTest) {
  77. File::WriteStringToFileOrDie(
  78. "syntax = \"proto2\";\n"
  79. "package foo;\n"
  80. "message Bar {\n"
  81. " message Baz {}\n"
  82. "}\n",
  83. TestTempDir() + "/test.proto");
  84. google::protobuf::compiler::CommandLineInterface cli;
  85. cli.SetInputsAreProtoPathRelative(true);
  86. CppGenerator cpp_generator;
  87. TestGenerator test_generator;
  88. cli.RegisterGenerator("--cpp_out", &cpp_generator, "");
  89. cli.RegisterGenerator("--test_out", &test_generator, "");
  90. string proto_path = "-I" + TestTempDir();
  91. string cpp_out = "--cpp_out=" + TestTempDir();
  92. string test_out = "--test_out=" + TestTempDir();
  93. const char* argv[] = {
  94. "protoc",
  95. proto_path.c_str(),
  96. cpp_out.c_str(),
  97. test_out.c_str(),
  98. "test.proto"
  99. };
  100. EXPECT_EQ(0, cli.Run(5, argv));
  101. }
  102. } // namespace
  103. } // namespace cpp
  104. } // namespace compiler
  105. } // namespace protobuf
  106. } // namespace google