ported almost all methods, start adding tests

Author: qkniep

src/lib.rs

@@ -1,12 +1,30 @@
+// Copyright (C) 2020 Quentin M. Kniep <[email protected]>
+// Distributed under terms of the MIT license.
+
 mod reader;
 mod validator;
 
-pub use validator::EcmaRegexValidator;
+pub use validator::{EcmaRegexValidator, EcmaVersion};
 
 #[cfg(test)]
 mod tests {
+    use super::*;
+
+    #[test]
+    fn validate_flags_test() {
+        let validator = EcmaRegexValidator::new(EcmaVersion::ES2018);
+        assert_eq!(validator.validate_flags("gimuys"), Ok(()));
+        assert_eq!(validator.validate_flags("gimgu"), Err("Duplicated flag g".to_string()));
+        assert_eq!(validator.validate_flags("gimuf"), Err("Invalid flag f".to_string()));
+    }
+
     #[test]
-    fn it_works() {
-        assert_eq!(2 + 2, 4);
+    fn validate_pattern_test() {
+        let mut validator = EcmaRegexValidator::new(EcmaVersion::ES2018);
+        assert_eq!(validator.validate_pattern("[abc]de|fg", false), Ok(()));
+
+        assert_ne!(validator.validate_pattern("^[z-a]$", false), Ok(()));
+        assert_ne!(validator.validate_pattern("0{2,1}", false), Ok(()));
+        assert_ne!(validator.validate_pattern("\\", false), Ok(()));
     }
 }

src/reader.rs

@@ -33,8 +33,8 @@ impl Reader {
         self.index
     }
 
-    pub fn code_point_with_offset(&self, offset: usize) -> Option<&char> {
-        self.cps.get(offset)
+    pub fn code_point_with_offset(&self, offset: usize) -> Option<char> {
+        self.cps.get(offset).cloned()
     }
 
     pub fn reset(&mut self, source: &str, start: usize, end: usize, u_flag: bool) {
@@ -70,8 +70,6 @@ impl Reader {
                 self.cps.push_back(c);
             }
         }
-        println!("{:?}", self.cps);
-        println!("{:?}", self.widths);
     }
 
     pub fn eat(&mut self, cp: char) -> bool {