добавлен тест на generic method

src/test/java/ru/dmitriymx/reflection/ReflectionObjectTest.java

@@ -139,6 +139,23 @@ public class ReflectionObjectTest {
         assertNotNull(refMethod);
     }
 
+    @Test
+    public void method_generic() {
+        SomeGenericObject<String, Integer> someGenericObject = new SomeGenericObject<>();
+        String key = "KEY!";
+        int value = 3306;
+
+        ReflectionObject refObj = new ReflectionObject(someGenericObject);
+
+        ReflectionMethod refMethod = refObj.method("genericMethod", Object.class, Object.class);
+        assertNotNull(refMethod);
+
+        refMethod.invoke(key, value);
+        assertFalse(someGenericObject.map.isEmpty());
+        assertTrue(someGenericObject.map.containsKey(key));
+        assertEquals(value, (int) someGenericObject.map.get(key));
+    }
+
     @Test(expected = ReflectionException.class)
     public void method_notExists() {
         ReflectionObject refObj = new ReflectionObject(new SomeObject());