public void AllItems()
{
var libraryService = new LibraryService();
Assert.AreEqual(true, libraryService.Add("1,ddddddd,2", out message));
Assert.AreEqual(true, libraryService.Add("2,bbbbb,2", out message));
Assert.AreEqual(true, libraryService.Add("3,bbbbb,0", out message));
Assert.AreEqual(true, libraryService.Add("4,aaaa,2", out message));
Assert.AreEqual(4, libraryService.Count());
Assert.AreEqual("Id already checked in, start again with different ID", libraryService.CheckIn("4"));
Assert.AreEqual("Lent out", libraryService.Lent("4"));
Assert.AreEqual("Checked In", libraryService.CheckIn("4"));
Assert.AreEqual("Id not exists, start again with different ID", libraryService.CheckIn("5"));
Assert.AreEqual(0, libraryService.LentOutItems().Count());
Assert.AreEqual("Lent out", libraryService.Lent("1"));
Assert.AreEqual(4, libraryService.AllItems().Count());
Assert.AreEqual("3", libraryService.AllItems().FirstOrDefault().Id);
Assert.AreEqual("4", libraryService.AllItems().ElementAt(1).Id);
}
public void CheckIn()
{
var libraryService = new LibraryService();
Assert.AreEqual(true, libraryService.Add("1,ddddddd,0", out message));
Assert.AreEqual(true, libraryService.Add("2,cccccc,1", out message));
Assert.AreEqual(true, libraryService.Add("3,bbbbb,2", out message));
Assert.AreEqual(true, libraryService.Add("4,aaaa,2", out message));
Assert.AreEqual(4, libraryService.Count());
Assert.AreEqual("Id already checked in, start again with different ID", libraryService.CheckIn("4"));
Assert.AreEqual("Lent out", libraryService.Lent("4"));
Assert.AreEqual("Checked In", libraryService.CheckIn("4"));
Assert.AreEqual("Id not exists, start again with different ID", libraryService.CheckIn("5"));
}
