public void ReadLineRemembersWhatWasAlreadyRead()
{
var reader = new StubTextReader();
reader.WriteLine("First Line");
reader.WriteLine("Second Line");
reader.ReadLine();
Assert.AreEqual(reader.ReadLine(), "Second Line");
}
public void ReadLineReturnsFirstLineOfWhatWasWritten()
{
var reader = new StubTextReader();
reader.WriteLine("First Line");
reader.WriteLine("Second Line");
Assert.AreEqual(reader.ReadLine(), "First Line");
}
public void ReadLineReturnsEmptyStringIfNothingWritten()
{
var reader = new StubTextReader();
Assert.AreEqual(reader.ReadLine(), "");
}