public void ConsumeToEnd() {
string @in = "one two three";
CharacterReader r = new CharacterReader(@in);
string toEnd = r.ConsumeToEnd();
Assert.AreEqual(@in, toEnd);
Assert.IsTrue(r.IsEmpty());
}
public void NextIndexOfChar() {
string @in = "blah blah";
CharacterReader r = new CharacterReader(@in);
Assert.AreEqual(-1, r.NextIndexOf('x'));
Assert.AreEqual(3, r.NextIndexOf('h'));
string pull = r.ConsumeTo('h');
Assert.AreEqual("bla", pull);
r.Consume();
Assert.AreEqual(2, r.NextIndexOf('l'));
Assert.AreEqual(" blah", r.ConsumeToEnd());
Assert.AreEqual(-1, r.NextIndexOf('x'));
}
public void NextIndexOfString() {
string @in = "One Two something Two Three Four";
CharacterReader r = new CharacterReader(@in);
Assert.AreEqual(-1, r.NextIndexOf("Foo"));
Assert.AreEqual(4, r.NextIndexOf("Two"));
Assert.AreEqual("One Two ", r.ConsumeTo("something"));
Assert.AreEqual(10, r.NextIndexOf("Two"));
Assert.AreEqual("something Two Three Four", r.ConsumeToEnd());
Assert.AreEqual(-1, r.NextIndexOf("Two"));
}
public void MatchesIgnoreCase()
{
CharacterReader r = new CharacterReader("One Two Three");
Assert.IsTrue(r.MatchesIgnoreCase("O"));
Assert.IsTrue(r.MatchesIgnoreCase("o"));
Assert.IsTrue(r.Matches('O'));
Assert.IsFalse(r.Matches('o'));
Assert.IsTrue(r.MatchesIgnoreCase("One Two Three"));
Assert.IsTrue(r.MatchesIgnoreCase("ONE two THREE"));
Assert.IsTrue(r.MatchesIgnoreCase("One"));
Assert.IsTrue(r.MatchesIgnoreCase("one"));
Assert.AreEqual('O', r.Consume());
Assert.IsFalse(r.MatchesIgnoreCase("One"));
Assert.IsTrue(r.MatchesIgnoreCase("NE Two Three"));
Assert.IsFalse(r.MatchesIgnoreCase("ne Two Three Four"));
Assert.AreEqual("ne Two Three", r.ConsumeToEnd());
Assert.IsFalse(r.MatchesIgnoreCase("ne"));
}
public void Matches()
{
CharacterReader r = new CharacterReader("One Two Three");
Assert.IsTrue(r.Matches('O'));
Assert.IsTrue(r.Matches("One Two Three"));
Assert.IsTrue(r.Matches("One"));
Assert.IsFalse(r.Matches("one"));
Assert.AreEqual('O', r.Consume());
Assert.IsFalse(r.Matches("One"));
Assert.IsTrue(r.Matches("ne Two Three"));
Assert.IsFalse(r.Matches("ne Two Three Four"));
Assert.AreEqual("ne Two Three", r.ConsumeToEnd());
Assert.IsFalse(r.Matches("ne"));
}
public void ConsumeLetterThenDigitSequence()
{
CharacterReader r = new CharacterReader("One12 Two &bar; qux");
Assert.AreEqual("One12", r.ConsumeLetterThenDigitSequence());
Assert.AreEqual(' ', r.Consume());
Assert.AreEqual("Two", r.ConsumeLetterThenDigitSequence());
Assert.AreEqual(" &bar; qux", r.ConsumeToEnd());
}
public void ConsumeLetterSequence()
{
CharacterReader r = new CharacterReader("One &bar; qux");
Assert.AreEqual("One", r.ConsumeLetterSequence());
Assert.AreEqual(" &", r.ConsumeTo("bar;"));
Assert.AreEqual("bar", r.ConsumeLetterSequence());
Assert.AreEqual("; qux", r.ConsumeToEnd());
}