public void ExecuteSumTaskTimeTest() { string dbfile = "taskaludb21.sqlite"; string path = Path.GetTempPath() + "\\" + dbfile; TouchTestDB(dbfile); InsertTableTaskList(dbfile, "hoge", 0); // tasklist id = 1 SQLiteClass.InsertOrUpdateTaskTime( path, false, 1, new DateTime(2019, 2, 1, 0, 0, 0, DateTimeKind.Utc), new DateTime(2019, 2, 1, 16, 0, 0, DateTimeKind.Utc)); TimeSpan result = SQLiteClass.ExecuteSumTaskTime(path, 1); Debug.Assert(TimeSpan.Compare(result, new TimeSpan(16, 0, 0)) == 0); }