public void TestGetBalance()
{
CategoryModel categoryModel = new CategoryModel(); // TODO: 初始化為適當值
Category categoryMovie = new Category(CATEGORY_NAME_MOVIE);
Category categoryWork = new Category(CATEGORY_NAME_WORK);
categoryModel.AddCategory(categoryMovie);
categoryModel.AddCategory(categoryWork);
RecordModel recordModel = new RecordModel(categoryModel); // TODO: 初始化為適當值
DateTime now = DateTime.Now;
DateTime date = new DateTime(now.Year, now.Month, now.Day);
Record movieRecord = new Record(date, categoryMovie, -1000);
recordModel.AddRecord(movieRecord);
movieRecord = new Record(date, categoryMovie, -2000);
recordModel.AddRecord(movieRecord);
movieRecord = new Record(date, categoryMovie, -3000);
recordModel.AddRecord(movieRecord);
Record workRecord = new Record(date, categoryWork, 1000);
recordModel.AddRecord(workRecord);
workRecord = new Record(date, categoryWork, 2000);
recordModel.AddRecord(workRecord);
workRecord = new Record(date, categoryWork, 3000);
recordModel.AddRecord(workRecord);
workRecord = new Record(date, categoryWork, 4000);
recordModel.AddRecord(workRecord);
StatisticModel statisticModel = new StatisticModel(categoryModel, recordModel); // TODO: 初始化為適當值
int balance = statisticModel.GetBalance(recordModel.Records);
Assert.AreEqual(4000, balance);
}