public void TestReadUntil()
{
SeekableStringReader s = new SeekableStringReader("hello there");
s.Read();
Assert.AreEqual("ello", s.ReadUntil(' '));
Assert.AreEqual('t', s.Peek());
Assert.Throws <ParseException>(() => s.ReadUntil('x'));
Assert.AreEqual("there", s.Rest());
Assert.Throws <ParseException>(() => s.Rest());
s.Rewind(int.MaxValue);
Assert.AreEqual("hell", s.ReadUntil('x', 'y', 'z', ' ', 'o'));
Assert.Throws <ParseException>(() => s.ReadUntil('x', 'y', '@'));
}
public void TestStuff()
{
using (SeekableStringReader s = new SeekableStringReader("hello"))
{
Assert.AreEqual('h', s.Peek());
Assert.AreEqual("hel", s.Peek(3));
Assert.AreEqual('h', s.Read());
Assert.AreEqual("ell", s.Read(3));
Assert.AreEqual("o", s.Peek(999));
Assert.AreEqual("o", s.Read(999));
}
using (SeekableStringReader s2 = new SeekableStringReader(" skip.\t\n\rwhitespace. "))
{
s2.SkipWhitespace();
Assert.AreEqual("skip", s2.ReadUntil('.'));
s2.SkipWhitespace();
Assert.AreEqual("whitespace", s2.ReadUntil('.'));
s2.SkipWhitespace();
Assert.IsFalse(s2.HasMore());
Assert.Throws <IndexOutOfRangeException>(() => s2.Peek());
}
}