public void ShouldReturnNullWhenPeekingAfterTheLastItem()
{
var items = new List <object> {
1
};
var tokenizableStreamBase = new TokenizableStreamBase <object>(() => items);
Assert.AreEqual(1, tokenizableStreamBase.Current);
Assert.IsNull(tokenizableStreamBase.Peek());
Assert.IsNull(tokenizableStreamBase.Peek(3));
}
public void ShouldBeAbleToPeekAtFutureItems()
{
var items = new List <object> {
1, 2, 3, 4, 5, 6
};
var tokenizableStreamBase = new TokenizableStreamBase <object>(() => items);
Assert.AreEqual(1, tokenizableStreamBase.Current);
Assert.AreEqual(4, tokenizableStreamBase.Peek(3));
Assert.AreEqual(6, tokenizableStreamBase.Peek(5));
}
public void ShouldBeAbleToPeekAtTheNextItem()
{
var items = new List <object> {
1, 2
};
var tokenizableStreamBase = new TokenizableStreamBase <object>(() => items);
Assert.AreEqual(1, tokenizableStreamBase.Current);
Assert.AreEqual(2, tokenizableStreamBase.Peek());
}
public void ShouldBeaBleToPeekWithoutConsumingTheCurrentItem()
{
var items = new List <object> {
1, 2
};
var tokenizableStreamBase = new TokenizableStreamBase <object>(() => items);
Assert.AreEqual(1, tokenizableStreamBase.Current);
Assert.AreEqual(2, tokenizableStreamBase.Peek());
Assert.AreEqual(1, tokenizableStreamBase.Current);
}