add check for test case using strinf literal

Author: martcpp

src/lexericals/lexer.rs

@@ -88,15 +88,43 @@ mod test {
         "#;
 
         let expect_token = vec![
-            Token::new (Tokenkind::Assign,String::from("=")),
-            Token::new (Tokenkind::Plus, String::from("+")),
-            Token::new (Tokenkind::Lparen, String::from("(")),
-            Token::new (Tokenkind::Rparen, String::from(")")),
-            Token::new (Tokenkind::Lbrace, String::from("{")),
-            Token::new (Tokenkind::Rbrace, String::from("}")),
-            Token::new (Tokenkind::Comma, String::from(",")),
-            Token::new (Tokenkind::Semicolon,String::from(";")),
-            Token::new (Tokenkind::Eof, String::new()), // Eof token
+            Token::new(Tokenkind::Let, String::from("let")),
+            Token::new(Tokenkind::Ident, String::from("five")),
+            Token::new(Tokenkind::Assign, String::from("=")),
+            Token::new(Tokenkind::Int, String::from("5")),
+            Token::new(Tokenkind::Semicolon, String::from(";")),
+            Token::new(Tokenkind::Let, String::from("let")),
+            Token::new(Tokenkind::Ident, String::from("ten")),
+            Token::new(Tokenkind::Assign, String::from("=")),
+            Token::new(Tokenkind::Int, String::from("10")),
+            Token::new(Tokenkind::Semicolon, String::from(";")),
+            Token::new(Tokenkind::Let, String::from("let")),
+            Token::new(Tokenkind::Ident, String::from("add")),
+            Token::new(Tokenkind::Assign, String::from("=")),
+            Token::new(Tokenkind::Function, String::from("fn")),
+            Token::new(Tokenkind::Lparen, String::from("(")),
+            Token::new(Tokenkind::Ident, String::from("x")),
+            Token::new(Tokenkind::Comma, String::from(",")),
+            Token::new(Tokenkind::Ident, String::from("y")),
+            Token::new(Tokenkind::Rparen, String::from(")")),
+            Token::new(Tokenkind::Lbrace, String::from("{")),
+            Token::new(Tokenkind::Ident, String::from("x")),
+            Token::new(Tokenkind::Plus, String::from("+")),
+            Token::new(Tokenkind::Ident, String::from("y")),
+            Token::new(Tokenkind::Semicolon, String::from(";")),
+            Token::new(Tokenkind::Rbrace, String::from("}")),
+            Token::new(Tokenkind::Semicolon, String::from(";")),
+            Token::new(Tokenkind::Let, String::from("let")),
+            Token::new(Tokenkind::Ident, String::from("result")),
+            Token::new(Tokenkind::Assign, String::from("=")),
+            Token::new(Tokenkind::Ident, String::from("add")),
+            Token::new(Tokenkind::Lparen, String::from("(")),
+            Token::new(Tokenkind::Ident, String::from("five")),
+            Token::new(Tokenkind::Comma, String::from(",")),
+            Token::new(Tokenkind::Ident, String::from("ten")),
+            Token::new(Tokenkind::Rparen, String::from(")")),
+            Token::new(Tokenkind::Semicolon, String::from(";")),
+            Token::new(Tokenkind::Eof, String::new()),
         ];
         let mut lexer = Lexer::new(input);
         for (idx,exp_token) in expect_token.iter().enumerate() {