blob: 10183535669f61109211417b99a0af8f7714facb [file] [log] [blame]
// 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