Added new test for string and rune literals (which it passes)

lexer/lexer_test.go

@@ -117,3 +117,21 @@ func TestTokenizeNumbers (test *testing.T) {
 		Token { kind: TokenKindNewline },
 	}, test)
 }
+
+func TestTokenizeText (test *testing.T) {
+	checkTokenSlice("../tests/lexer/text", []Token {
+		Token { kind: TokenKindString, value: "hello world!\a\b\f\n\r\t\v'\"\\" },
+		Token { kind: TokenKindNewline },
+		Token { kind: TokenKindRune, value: '\a' },
+		Token { kind: TokenKindRune, value: '\b' },
+		Token { kind: TokenKindRune, value: '\f' },
+		Token { kind: TokenKindRune, value: '\n' },
+		Token { kind: TokenKindRune, value: '\r' },
+		Token { kind: TokenKindRune, value: '\t' },
+		Token { kind: TokenKindRune, value: '\v' },
+		Token { kind: TokenKindRune, value: '\'' },
+		Token { kind: TokenKindRune, value: '"'  },
+		Token { kind: TokenKindRune, value: '\\' },
+		Token { kind: TokenKindNewline },
+	}, test)
+}

lexer/numbers.go

@@ -101,6 +101,8 @@ func (lexer *LexingOperation) tokenizeNumber (
 		if err != nil { return }
 	}
 
+	// TODO: increase accuracy of this so that TestTokenizeNumbers is
+	// passed.
 	if lexer.char == '.' {
 		isFloat = true
 		err = lexer.nextRune()

tests/lexer/text

@@ -0,0 +1,2 @@
+"hello world!\a\b\f\n\r\t\v\'\"\\"
+'\a' '\b' '\f' '\n' '\r' '\t' '\v' '\'' '\"' '\\'