code_writer_unittest.cpp

/*
 * Copyright (C) 2018, The Android Open Source Project
 *
 * 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 "code_writer.h"

#include <gtest/gtest.h>
#include <string>

using android::aidl::CodeWriter;
using std::string;
using std::unique_ptr;

namespace android {
namespace aidl {

TEST(CodeWriterTest, AppendOperator) {
  string str;
  CodeWriterPtr ptr = CodeWriter::ForString(&str);
  CodeWriter& writer = *ptr;
  writer << "Write this";
  writer.Close();
  EXPECT_EQ(str, "Write this");
}

TEST(CodeWriterTest, AppendOperatorCascade) {
  string str;
  CodeWriterPtr ptr = CodeWriter::ForString(&str);
  CodeWriter& writer = *ptr;
  writer << "Write this " << "and that";
  writer.Close();
  EXPECT_EQ(str, "Write this and that");
}

TEST(CodeWriterTest, WorksWithNonAscii) {
  // Due to b/174366536(basic_stringbuf implicit-conversion), the following snippet crashes
  //   std::stringstream s;
  //   s << "가";
  std::string str;
  CodeWriterPtr ptr = CodeWriter::ForString(&str);
  CodeWriter& writer = *ptr;
  writer << "가";
  writer.Close();
  EXPECT_EQ(str, "가");
}

}  // namespace aidl
}  // namespace android