package dev.lions.user.manager.validation; import org.junit.jupiter.api.Test; import java.lang.reflect.Constructor; import java.lang.reflect.Modifier; import static org.junit.jupiter.api.Assertions.*; class ValidationConstantsTest { @Test void testPrivateConstructor() throws Exception { Constructor constructor = ValidationConstants.class.getDeclaredConstructor(); assertTrue(Modifier.isPrivate(constructor.getModifiers())); constructor.setAccessible(true); ValidationConstants instance = constructor.newInstance(); assertNotNull(instance); } }