public void ReadNextReturnsNullWhenFileIsCompletelyRead()
{
//setup
using (var sut = new InputStreamReader("Configuration.txt"))
{
//execute
var line = sut.ReadNext();
while (line != null)
{
line = sut.ReadNext();
}
line = sut.ReadNext();
//assert
Assert.IsNull(line);
}
}
