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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// TODO(kenton): Share code with the versions of this test in other languages?
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// It seemed like parameterizing it would add more complexity than it is
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#include <google/protobuf/compiler/cpp/cpp_generator.h>
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#include <google/protobuf/compiler/command_line_interface.h>
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#include <google/protobuf/io/zero_copy_stream.h>
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/testing/googletest.h>
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#include <gtest/gtest.h>
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#include <google/protobuf/testing/file.h>
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class TestGenerator : public CodeGenerator {
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virtual bool Generate(const FileDescriptor* file,
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const string& parameter,
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OutputDirectory* output_directory,
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string* error) const {
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TryInsert("test.pb.h", "includes", output_directory);
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TryInsert("test.pb.h", "namespace_scope", output_directory);
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TryInsert("test.pb.h", "global_scope", output_directory);
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TryInsert("test.pb.h", "class_scope:foo.Bar", output_directory);
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TryInsert("test.pb.h", "class_scope:foo.Bar.Baz", output_directory);
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TryInsert("test.pb.cc", "includes", output_directory);
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TryInsert("test.pb.cc", "namespace_scope", output_directory);
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TryInsert("test.pb.cc", "global_scope", output_directory);
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void TryInsert(const string& filename, const string& insertion_point,
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OutputDirectory* output_directory) const {
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scoped_ptr<io::ZeroCopyOutputStream> output(
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output_directory->OpenForInsert(filename, insertion_point));
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io::Printer printer(output.get(), '$');
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printer.Print("// inserted $name$\n", "name", insertion_point);
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// This test verifies that all the expected insertion points exist. It does
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// not verify that they are correctly-placed; that would require actually
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// compiling the output which is a bit more than I care to do for this test.
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TEST(CppPluginTest, PluginTest) {
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File::WriteStringToFileOrDie(
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"syntax = \"proto2\";\n"
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TestTempDir() + "/test.proto");
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google::protobuf::compiler::CommandLineInterface cli;
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cli.SetInputsAreProtoPathRelative(true);
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CppGenerator cpp_generator;
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TestGenerator test_generator;
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cli.RegisterGenerator("--cpp_out", &cpp_generator, "");
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cli.RegisterGenerator("--test_out", &test_generator, "");
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string proto_path = "-I" + TestTempDir();
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string cpp_out = "--cpp_out=" + TestTempDir();
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string test_out = "--test_out=" + TestTempDir();
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const char* argv[] = {
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EXPECT_EQ(0, cli.Run(5, argv));
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} // namespace compiler
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} // namespace protobuf
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} // namespace google