| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file or at |
| // https://developers.google.com/open-source/licenses/bsd |
| |
| #include <cstddef> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "google/protobuf/testing/file.h" |
| #include "google/protobuf/testing/file.h" |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| #include "absl/log/absl_check.h" |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/str_split.h" |
| #include "google/protobuf/compiler/command_line_interface.h" |
| #include "google/protobuf/compiler/java/generator.h" |
| #include "google/protobuf/test_util2.h" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace java { |
| namespace { |
| |
| using ::testing::ElementsAre; |
| |
| // Generates Java code for the specified Java proto, returning the compiler's |
| // exit status. |
| int CompileJavaProto(std::string proto_file_name) { |
| JavaGenerator java_generator; |
| |
| CommandLineInterface cli; |
| cli.RegisterGenerator("--java_out", &java_generator, /*help_text=*/""); |
| |
| std::string proto_path = absl::StrCat( |
| "--proto_path=", |
| TestUtil::GetTestDataPath("google/protobuf/compiler/java")); |
| std::string java_out = absl::StrCat("--java_out=", ::testing::TempDir()); |
| |
| const char* argv[] = { |
| "protoc", |
| proto_path.c_str(), |
| java_out.c_str(), |
| proto_file_name.c_str(), |
| }; |
| |
| return cli.Run(4, argv); |
| } |
| |
| TEST(MessageSerializationTest, CollapseAdjacentExtensionRanges) { |
| ABSL_CHECK_EQ(CompileJavaProto("message_serialization_unittest.proto"), 0); |
| |
| std::string java_source; |
| ABSL_CHECK_OK(File::GetContents( |
| // Open-source codebase does not support file::JoinPath, so we manually |
| // concatenate instead. |
| absl::StrCat(::testing::TempDir(), |
| "/TestMessageWithManyExtensionRanges.java"), |
| &java_source, true)); |
| |
| // Open-source codebase does not support constexpr absl::string_view. |
| static constexpr const char kWriteUntilCall[] = "extensionWriter.writeUntil("; |
| |
| std::vector<std::string> range_ends; |
| |
| // Open-source codebase does not have absl::StrSplit overload taking a single |
| // char delimiter. |
| // |
| // NOLINTNEXTLINE(abseil-faster-strsplit-delimiter) |
| for (const auto& line : absl::StrSplit(java_source, "\n")) { |
| // Extract end position from writeUntil call. (Open-source codebase does not |
| // support RE2.) |
| std::size_t write_until_pos = line.find(kWriteUntilCall); |
| if (write_until_pos == std::string::npos) { |
| continue; |
| } |
| write_until_pos += (sizeof(kWriteUntilCall) - 1); |
| |
| std::size_t comma_pos = line.find(',', write_until_pos); |
| if (comma_pos == std::string::npos) { |
| continue; |
| } |
| |
| range_ends.push_back( |
| std::string(line.substr(write_until_pos, comma_pos - write_until_pos))); |
| } |
| |
| EXPECT_THAT(range_ends, ElementsAre("3", "13", "43")); |
| } |
| |
| } // namespace |
| } // namespace java |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |