Add equality test for parse_map and parse_generictree

Author: ratmice

lrpar/src/lib/parser.rs

@@ -1561,6 +1561,18 @@ Factor : 'INT';";
 ",
         );
 
+        assert_eq!(
+            rt_parser.parse_generictree(&lexer).0.unwrap(),
+            rt_parser
+                .parse_map(
+                    &lexer,
+                    &|lexeme: TestLexeme| { Node::Term { lexeme } },
+                    &|ridx, nodes| { Node::Nonterm { ridx, nodes } },
+                )
+                .0
+                .unwrap()
+        );
+
         let expected_parse_map = {
             use TestParseMap::*;
             NonTerm(