Add test for NullPointerException when setting null statusText

Author: eafalkens

src/test/java/org/juv25d/http/HttpResponseTest.java

@@ -1,7 +1,6 @@
 package org.juv25d.http;
 
 import org.junit.jupiter.api.Test;
-
 import static org.junit.jupiter.api.Assertions.*;
 
 public class HttpResponseTest {
@@ -32,6 +31,12 @@ void shouldSetAndReturnStatusText() {
         assertEquals("Not found", response.statusText());
     }
 
+    @Test
+    void shouldThrowExceptionWhenStatusTextIsNull() {
+        HttpResponse response = new HttpResponse();
+        assertThrows(NullPointerException.class, () -> response.setStatusText(null));
+    }
+
     @Test
     void shouldHaveEmptyHeaderByDefault() {
         HttpResponse response = new HttpResponse();