public void LiteralTests()
{
string txt = "1";
AntlrInputStream inputStream = new AntlrInputStream(txt);
BogieLangLexer lexer = new BogieLangLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
BogieLangParser parser = new BogieLangParser(commonTokenStream);
BogieLangParser.LiteralContext literalContext = parser.literal();
BogieLangBaseVisitor <object> visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(literalContext);
Literal literal = Literal.Compile(literalContext);
Assert.True(literal.Real == null);
Assert.True(literal.Integer == 1);
Assert.True(literal.Bool == null);
Assert.True(literal.String == null);
txt = "1.0";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
literalContext = parser.literal();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(literalContext);
literal = Literal.Compile(literalContext);
Assert.True(literal.Real == 1.0);
Assert.True(literal.Integer == null);
Assert.True(literal.Bool == null);
Assert.True(literal.String == null);
txt = "false";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
literalContext = parser.literal();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(literalContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
literal = Literal.Compile(literalContext);
Assert.True(literal.Real == null);
Assert.True(literal.Integer == null);
Assert.True(literal.Bool == false);
Assert.True(literal.String == null);
txt = "\"asd8 99asd\"";
inputStream = new AntlrInputStream(txt);
lexer = new BogieLangLexer(inputStream);
lexer.AddErrorListener(new ParserErrorHandler <int>());
commonTokenStream = new CommonTokenStream(lexer);
parser = new BogieLangParser(commonTokenStream);
parser.AddErrorListener(new ParserErrorHandler <object>());
literalContext = parser.literal();
visitor = new BogieLangBaseVisitor <object>();
visitor.Visit(literalContext);
Assert.True(parser.NumberOfSyntaxErrors == 0);
literal = Literal.Compile(literalContext);
Assert.True(literal.Real == null);
Assert.True(literal.Integer == null);
Assert.True(literal.Bool == null);
Assert.True(literal.String == "asd8 99asd");
}
