--- /dev/null
+extern crate base64;
+
+use base64::*;
+
+pub fn compare_decode(expected: &str, target: &str) {
+ assert_eq!(
+ expected,
+ String::from_utf8(decode(target).unwrap()).unwrap()
+ );
+ assert_eq!(
+ expected,
+ String::from_utf8(decode(target.as_bytes()).unwrap()).unwrap()
+ );
+}