rawGenerateAndBuildRecognizer("X1.g4", grammar, "X1Parser", "X1Lexer", false);
assertTrue(ok);
ParseTreePatternMatcher m = getPatternMatcher("X1");
List<? extends Token> tokens = m.tokenize("<ID> = <expr> ;");
String results = tokens.toString();
String expected = "[ID:3, [@-1,1:1='=',<1>,1:1], expr:7, [@-1,1:1=';',<2>,1:1]]";
assertEquals(expected, results);
}