public void TestIdentifier()
{
// simple java annotation
CodeParser parser1 = new CodeParser("@MyIdentifier");
Assert.AreEqual(string.Empty, parser1.ReadIdentifier());
Assert.AreEqual('@', parser1.Char);
parser1.Next();
Assert.AreEqual("MyIdentifier", parser1.ReadIdentifier());
Assert.AreEqual('\0', parser1.Char);
Assert.IsTrue(parser1.IsEOF);
// complex java annotation
CodeParser parser2 = new CodeParser("@MyIdentifier(var = true)"){
IsValidIdentifier = str => str != "true"
};
Assert.AreEqual(string.Empty, parser2.ReadIdentifier());
Assert.AreEqual('@', parser2.Char);
parser2.Next();
Assert.AreEqual("MyIdentifier", parser2.ReadIdentifier());
// complex java annotation - variables
CodeParser parser2Vars = parser2.ReadBlock('(', ')');
Assert.AreEqual("var", parser2Vars.ReadIdentifier());
parser2Vars.SkipTo('=').Skip().SkipSpaces();
Assert.AreEqual('t', parser2Vars.Char);
Assert.AreEqual(string.Empty, parser2Vars.ReadIdentifier());
}
public void TestInvalidSkip()
{
const string code = "1 [ { my block } ] ";
// base
CodeParser parser = new CodeParser(code);
Assert.AreEqual('1', parser.Char);
Assert.IsFalse(parser.IsEOF);
parser.SkipTo('(');
Assert.AreEqual('1', parser.Char);
Assert.IsFalse(parser.IsEOF);
// block
CodeParser block = parser.ReadBlock('(', ')');
Assert.AreEqual('\0', block.Char);
Assert.IsTrue(block.IsEOF);
}
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);
}