Sematic-Cartographer/cartographer-master/cartographer/io/fake_file_writer_test.cc

131 lines
4.1 KiB
C++
Executable File

/*
* Copyright 2018 The Cartographer Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cartographer/io/fake_file_writer.h"
#include <vector>
#include "glog/logging.h"
#include "gtest/gtest.h"
namespace cartographer {
namespace io {
namespace {
std::string toString(const std::vector<char>& data) {
return std::string(data.data(), data.size());
}
TEST(FakeFileWriter, Filename) {
auto content = std::make_shared<std::vector<char>>();
FakeFileWriter writer("file", content);
EXPECT_EQ("file", writer.GetFilename());
}
TEST(FakeFileWriter, CloseStream) {
auto content = std::make_shared<std::vector<char>>();
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.Close());
EXPECT_EQ("", toString(*content));
}
TEST(FakeFileWriter, WriteHeader) {
auto content = std::make_shared<std::vector<char>>();
const std::string header("dummy header");
const std::string header_2("dummy header 2");
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.WriteHeader(header.c_str(), header.size()));
EXPECT_EQ("dummy header", toString(*content));
EXPECT_TRUE(writer.WriteHeader(header_2.c_str(), header_2.size()));
EXPECT_EQ("dummy header 2", toString(*content));
EXPECT_TRUE(writer.Close());
EXPECT_EQ("dummy header 2", toString(*content));
}
TEST(FakeFileWriter, Write) {
auto content = std::make_shared<std::vector<char>>();
const std::vector<std::string> data_stream = {"data 1", "data 2"};
FakeFileWriter writer("file", content);
for (const auto& data : data_stream) {
EXPECT_TRUE(writer.Write(data.c_str(), data.size()));
}
EXPECT_EQ("data 1data 2", toString(*content));
EXPECT_TRUE(writer.Close());
EXPECT_EQ("data 1data 2", toString(*content));
}
TEST(FakeFileWriter, HeaderAndWrite) {
auto content = std::make_shared<std::vector<char>>();
const std::string header("dummy header");
const std::vector<std::string> data_stream = {"data 1", "data 2"};
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.WriteHeader(header.c_str(), header.size()));
EXPECT_EQ("dummy header", toString(*content));
for (const auto& data : data_stream) {
EXPECT_TRUE(writer.Write(data.c_str(), data.size()));
}
EXPECT_TRUE(writer.Close());
EXPECT_EQ("dummy headerdata 1data 2", toString(*content));
}
TEST(FakeFileWriter, WriteTerminatedString) {
auto content = std::make_shared<std::vector<char>>();
std::vector<char> data_stream = {'d', 'a', 't', 'a', '\0', ' ', '1'};
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.Write(data_stream.data(), data_stream.size()));
EXPECT_EQ(data_stream, *content);
}
TEST(FakeFileWriter, WriteTerminatedHeaderString) {
auto content = std::make_shared<std::vector<char>>();
std::vector<char> header = {'h', 'e', 'a', 'd', '\0', ' ', 'e', 'r'};
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.WriteHeader(header.data(), header.size()));
EXPECT_EQ(header, *content);
}
TEST(FakeFileWriter, HeaderAndWriteTerminatedString) {
auto content = std::make_shared<std::vector<char>>();
std::vector<char> header = {'d', 'a', 't', 'a', '\0', ' ', '1'};
std::vector<char> data = {'h', 'e', 'a', 'd', '\0', ' ', 'e', 'r'};
FakeFileWriter writer("file", content);
EXPECT_TRUE(writer.WriteHeader(header.data(), header.size()));
EXPECT_EQ(header, *content);
EXPECT_TRUE(writer.Write(data.data(), data.size()));
std::vector<char> expected_output = header;
expected_output.insert(expected_output.end(), data.begin(), data.end());
EXPECT_EQ(expected_output, *content);
EXPECT_TRUE(writer.Close());
EXPECT_EQ(expected_output, *content);
}
} // namespace
} // namespace io
} // namespace cartographer