diff --git a/src/lib.rs b/src/lib.rs
index e826cea..6c4e2c5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -6,7 +6,7 @@ use std::error::Error;
 use std::fmt::{self, Display};
 use time::{Date, Duration, OffsetDateTime};
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub enum ParseDurationError {
     InvalidRegex(RegexError),
     InvalidInput,
diff --git a/tests/simple.rs b/tests/simple.rs
index 43015ee..2177d99 100644
--- a/tests/simple.rs
+++ b/tests/simple.rs
@@ -5,16 +5,10 @@ use time::{Duration, OffsetDateTime};
 fn test_invalid_input() {
     let result = from_str("foobar");
     println!("{result:?}");
-    match result {
-        Err(ParseDurationError::InvalidInput) => assert!(true),
-        _ => assert!(false),
-    }
+    assert_eq!(result, Err(ParseDurationError::InvalidInput));
 
     let result = from_str("invalid 1");
-    match result {
-        Err(ParseDurationError::InvalidInput) => assert!(true),
-        _ => assert!(false),
-    }
+    assert_eq!(result, Err(ParseDurationError::InvalidInput));
 }
 
 #[test]
@@ -151,14 +145,8 @@ fn test_invalid_input_at_date() {
     let today = OffsetDateTime::now_utc().date();
     let result = from_str_at_date(today, "foobar");
     println!("{result:?}");
-    match result {
-        Err(ParseDurationError::InvalidInput) => assert!(true),
-        _ => assert!(false),
-    }
+    assert_eq!(result, Err(ParseDurationError::InvalidInput));
 
     let result = from_str_at_date(today, "invalid 1r");
-    match result {
-        Err(ParseDurationError::InvalidInput) => assert!(true),
-        _ => assert!(false),
-    }
+    assert_eq!(result, Err(ParseDurationError::InvalidInput));
 }