comments

lexer/lexer_test.go

@@ -6,13 +6,15 @@ import (
 )
 
 func TestNextToken(t *testing.T) {
-	input := `let five = 5;
+	input := `#!./monkey-lang
+				let five = 5;
 				let ten = 10;
 				
 				let add = fn(x, y) {
 				  x + y;
 				};
 				
+				# this is a comment
 				let result = add(five, ten);
 				!-/*5;
 				5 < 10 > 5;
@@ -23,6 +25,7 @@ func TestNextToken(t *testing.T) {
 					return false;
 				}
 				
+				// this is another comment
 				10 == 10;
 				10 != 9;
 				"foobar"
@@ -35,6 +38,7 @@ func TestNextToken(t *testing.T) {
 		expectedType    token.TokenType
 		expectedLiteral string
 	}{
+		{token.COMMENT, "!./monkey-lang"},
 		{token.LET, "let"},
 		{token.IDENT, "five"},
 		{token.ASSIGN, "="},
@@ -61,6 +65,7 @@ func TestNextToken(t *testing.T) {
 		{token.SEMICOLON, ";"},
 		{token.RBRACE, "}"},
 		{token.SEMICOLON, ";"},
+		{token.COMMENT, " this is a comment"},
 		{token.LET, "let"},
 		{token.IDENT, "result"},
 		{token.ASSIGN, "="},
@@ -106,7 +111,7 @@ func TestNextToken(t *testing.T) {
 		{token.SEMICOLON, ";"},
 
 		{token.RBRACE, "}"},
-
+		{token.COMMENT, " this is another comment"},
 		{token.INT, "10"},
 		{token.EQ, "=="},
 		{token.INT, "10"},