public void CommentStreamPosition()
{
using (var stream = new CommentlessStream(new StringReader("he /*blah*/ wo")))
{
Assert.AreEqual(0, stream.Position);
Assert.AreEqual('h', stream.Read());
Assert.AreEqual(1, stream.Position);
Assert.AreEqual('e', stream.Read());
Assert.AreEqual(2, stream.Position);
Assert.AreEqual(' ', stream.Read());
Assert.AreEqual(3, stream.Position);
Assert.AreEqual(' ', stream.Read());
Assert.AreEqual(12, stream.Position);
Assert.AreEqual('w', stream.Read());
Assert.AreEqual(13, stream.Position);
Assert.AreEqual('o', stream.Read());
Assert.AreEqual(14, stream.Position);
Assert.AreEqual(-1, stream.Peek());
}
using (var stream = new CommentlessStream(new StringReader("hello\n//blah\nworld")))
{
Assert.AreEqual(0, stream.Position);
Assert.AreEqual('h', stream.Read());
Assert.AreEqual(1, stream.Position);
Assert.AreEqual('e', stream.Read());
Assert.AreEqual(2, stream.Position);
Assert.AreEqual('l', stream.Read());
Assert.AreEqual(3, stream.Position);
Assert.AreEqual('l', stream.Read());
Assert.AreEqual(4, stream.Position);
Assert.AreEqual('o', stream.Read());
Assert.AreEqual(5, stream.Position);
Assert.AreEqual('\n', stream.Read());
Assert.AreEqual(6, stream.Position);
Assert.AreEqual('w', stream.Read());
Assert.AreEqual(14, stream.Position);
Assert.AreEqual('o', stream.Read());
Assert.AreEqual(15, stream.Position);
Assert.AreEqual('r', stream.Read());
Assert.AreEqual(16, stream.Position);
Assert.AreEqual('l', stream.Read());
Assert.AreEqual(17, stream.Position);
Assert.AreEqual('d', stream.Read());
Assert.AreEqual(-1, stream.Peek());
}
}
private static string TryStripComments(string str)
{
var read = new StringBuilder();
using (var stream = new CommentlessStream(new StringReader(str)))
{
int i;
while ((i = stream.Read()) != -1)
{
read.Append((char)i);
}
}
var peek = new StringBuilder();
using (var stream = new CommentlessStream(new StringReader(str)))
{
int i;
while ((i = stream.Peek()) != -1)
{
peek.Append((char)i);
stream.Read();
}
}
using (var stream = new CommentlessStream(new StringReader(str)))
{
int i;
while ((i = stream.Peek()) != -1)
{
Assert.AreEqual(i, stream.Read());
}
Assert.AreEqual(-1, stream.Read());
}
Assert.AreEqual(read.ToString(), peek.ToString());
return read.ToString();
}