public void TestClone(){
CodeParser parser1 = new CodeParser("abc__efg"){
IsWhiteSpace = chr => chr == '_'
};
parser1.SkipTo('_').SkipSpaces();
Assert.AreEqual('e', parser1.Char);
// cloned with same code
CodeParser parser2 = parser1.Clone();
Assert.AreEqual('a', parser2.Char);
parser2.SkipTo('_').SkipSpaces();
Assert.AreEqual('e', parser2.Char);
// cloned with different code
CodeParser parser3 = parser1.Clone("x_z");
Assert.AreEqual('x', parser3.Char);
parser3.Skip().SkipSpaces();
Assert.AreEqual('z', parser3.Char);
}
public void TestValidSkipAndRead(){
const string code = " \n x yz { content { more } abc }";
// base
CodeParser parser = new CodeParser(code);
Assert.AreEqual(' ', parser.Char);
Assert.IsFalse(parser.IsEOF);
parser.SkipSpaces();
Assert.AreEqual('x', parser.Char);
parser.SkipTo('y');
Assert.AreEqual('y', parser.Char);
Assert.AreEqual('z', parser.Next());
Assert.AreEqual('z', parser.Char);
// block 1
CodeParser block1 = parser.ReadBlock('{', '}');
CodeParser block1Cloned = block1.Clone();
Assert.AreEqual(" content { more } abc ", block1.Contents);
block1.SkipSpaces();
Assert.AreEqual('c', block1.Char);
block1Cloned.SkipTo('}').SkipTo('a').Skip();
Assert.AreEqual('b', block1Cloned.Char);
// block 2
CodeParser block2 = block1.ReadBlock('{', '}');
Assert.AreEqual(" more ", block2.Contents);
// block 1
Assert.AreEqual(' ', block1.Char);
Assert.IsFalse(block1.IsEOF);
// base
Assert.AreEqual('\0', parser.Char);
Assert.IsTrue(parser.IsEOF);
// reset + ReadTo
CodeParser parserNew1 = new CodeParser(code);
Assert.AreEqual("x y", parserNew1.SkipSpaces().ReadTo('z').Contents);
Assert.AreEqual('z', parserNew1.Char);
// reset + ReadToSkip
CodeParser parserNew2 = new CodeParser(code);
Assert.AreEqual("x y", parserNew2.SkipSpaces().ReadToSkip('z').Contents);
Assert.AreEqual(' ', parserNew2.Char);
}