v0.1.0 -> uswitch::decode tests

Decode now includes 2 tests that in normal situations would fail...

- base64 padding error
- Invalid UTF-8

src/lib.rs

@@ -55,4 +55,24 @@ mod tests {
             Err(err) => panic!("{}", err),
         }
     }
+
+    #[test]
+    fn decode_fail_test() {
+        let t1: String = String::from("yAyL3WlysPBdTEnPDs+JnWlytjv"); // Invalid base64
+        let t2 = decode(&t1);
+        match t2 {
+            Ok(s) => panic!("Expected failure! Got '{}'", s),
+            Err(_) => ()
+        }
+    }
+
+    #[test]
+    fn decode_fail_utf8_test() {
+        let t1: String = String::from("woXChQ=="); // Invalid UTF-8
+        let t2 = decode(&t1);
+        match t2 {
+            Ok(s) => panic!("Expected failure! Got '{}'", s),
+            Err(_) => ()
+        }
+    }
 }