/****************************************
*  NOTICE
*  ______________________________________
*
*  Copyright 2023 Tony Nguyen
*  
*  Project:
*      Name: to_snake_case
*      Links:
*         - https://gitlab.com/t101/to_snake_case
*
*      Modified: 20-Feb-2023
*  ______________________________________
* 
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
* 
*      http://www.apache.org/licenses/LICENSE-2.0
* 
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*
******************************************/

#[cfg(test)]
mod test_camel_case {
    use to_snake_case::ToSnakeCase;


    #[test]
    fn test_camel_case() {
        let expected = "to_snake_case";

        let input = String::from("toSnakeCase");
        let output = input.to_snake_case();
        assert_eq!(expected, &output);
    }

    #[test]
    fn test_camel_case_short_text_two_word() {
        let expected = "a_b";

        let input = String::from("aB");
        let output = input.to_snake_case();
        assert_eq!(expected, &output);
    }

    #[test]
    fn test_camel_case_short_text_one_word_one_letter() {
        let expected = "a";

        let input = String::from("a");
        let output = input.to_snake_case();
        assert_eq!(expected, &output);
    }
}