diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index e9d522e..626fae4 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -30,13 +30,13 @@ fn bytes_from_str_array(src: Vec<String>) -> Result<Vec<u8>, ByteArrayParseErr>
             if element.starts_with("0x") || element.starts_with("0X") {
                 u8::from_str_radix(&element[2..], 16)
             } else if element.starts_with("0b") || element.starts_with("0B") {
-                u8::from_str_radix(&element[2..], 1)
-            } else if element.starts_with('h') || element.starts_with('h') {
+                u8::from_str_radix(&element[2..], 2)
+            } else if element.starts_with('h') || element.starts_with('H') {
                 u8::from_str_radix(&element[1..], 16)
-            } else if let Some(value) = element.strip_prefix('0') {
-                u8::from_str_radix(value, 8)
+            } else if element.len() > 1 && element.starts_with('0') {
+                u8::from_str_radix(&element[1..], 8)
             } else {
-                str::parse(element)
+                element.parse()
             }
         })
         .map(|e| e.map_err(ByteArrayParseErr::from))
@@ -62,3 +62,75 @@ pub fn parse_bytes_from_input_arg(src: Vec<String>) -> Result<Vec<u8>, ByteArray
 
     bytes_from_str_array(str_arr)
 }
+
+#[cfg(test)]
+mod tests {
+    use crate::parser::parse_bytes_from_input_arg;
+
+    #[test]
+    fn parse_base_10_array() {
+        let array = vec!["[0, 1, 2, 3, 4]".to_string()];
+
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_base_2_array() {
+        let array = vec!["[0b0, 0b1, 0b10, 0b11, 0b100]".to_string()];
+
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_base_8_array() {
+        let array = vec!["[00, 01, 02, 03, 04]".to_string()];
+
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_base_16_array() {
+        let array = vec!["[0x0, 0x1, 0x2, h3, H4]".to_string()];
+
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_base_mixed() {
+        let array = vec!["[00 0x1, 2, h3, H4]".to_string()];
+
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_no_braces_multi_args() {
+        let array = vec![
+            "0".to_string(),
+            "1".to_string(),
+            "2".to_string(),
+            "3".to_string(),
+            "4".to_string(),
+        ];
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+
+    #[test]
+    fn parse_no_braces_one_arg() {
+        let array = vec!["0 1 2 3 4".to_string()];
+        let out = parse_bytes_from_input_arg(array).unwrap();
+
+        assert_eq!(out, vec![0, 1, 2, 3, 4])
+    }
+}