diff --git a/src/protocols/types.rs b/src/protocols/types.rs
index 5e0bac6..b0047fc 100644
--- a/src/protocols/types.rs
+++ b/src/protocols/types.rs
@@ -1,12 +1,12 @@
-use std::time::Duration;
-use crate::GDResult;
 use crate::GDError::InvalidInput;
+use crate::GDResult;
+use std::time::Duration;
 
 /// Timeout settings for socket operations
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct TimeoutSettings {
     read: Option<Duration>,
-    write: Option<Duration>
+    write: Option<Duration>,
 }
 
 impl TimeoutSettings {
@@ -14,20 +14,17 @@ impl TimeoutSettings {
     pub fn new(read: Option<Duration>, write: Option<Duration>) -> GDResult<Self> {
         if let Some(read_duration) = read {
             if read_duration == Duration::new(0, 0) {
-                return Err(InvalidInput)
+                return Err(InvalidInput);
             }
         }
 
         if let Some(write_duration) = write {
             if write_duration == Duration::new(0, 0) {
-                return Err(InvalidInput)
+                return Err(InvalidInput);
             }
         }
 
-        Ok(Self {
-            read,
-            write
-        })
+        Ok(Self { read, write })
     }
 
     /// Get the read timeout.
@@ -46,7 +43,56 @@ impl Default for TimeoutSettings {
     fn default() -> Self {
         Self {
             read: Some(Duration::from_secs(4)),
-            write: Some(Duration::from_secs(4))
+            write: Some(Duration::from_secs(4)),
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::time::Duration;
+
+    // Test creating new TimeoutSettings with valid durations
+    #[test]
+    fn test_new_with_valid_durations() -> GDResult<()> {
+        // Define valid read and write durations
+        let read_duration = Duration::from_secs(1);
+        let write_duration = Duration::from_secs(2);
+
+        // Create new TimeoutSettings with the valid durations
+        let timeout_settings = TimeoutSettings::new(Some(read_duration), Some(write_duration))?;
+
+        // Verify that the get_read and get_write methods return the expected values
+        assert_eq!(timeout_settings.get_read(), Some(read_duration));
+        assert_eq!(timeout_settings.get_write(), Some(write_duration));
+
+        Ok(())
+    }
+
+    // Test creating new TimeoutSettings with a zero duration
+    #[test]
+    fn test_new_with_zero_duration() {
+        // Define a zero read duration and a valid write duration
+        let read_duration = Duration::new(0, 0);
+        let write_duration = Duration::from_secs(2);
+
+        // Try to create new TimeoutSettings with the zero read duration (this should fail)
+        let result = TimeoutSettings::new(Some(read_duration), Some(write_duration));
+
+        // Verify that the function returned an error and that the error type is InvalidInput
+        assert!(result.is_err());
+        assert_eq!(result.unwrap_err(), InvalidInput);
+    }
+
+    // Test that the default TimeoutSettings values are correct
+    #[test]
+    fn test_default_values() {
+        // Get the default TimeoutSettings values
+        let default_settings = TimeoutSettings::default();
+
+        // Verify that the get_read and get_write methods return the expected default values
+        assert_eq!(default_settings.get_read(), Some(Duration::from_secs(4)));
+        assert_eq!(default_settings.get_write(), Some(Duration::from_secs(4)));
+    }
+}