package com.baeldung.string.tostring; import static org.junit.jupiter.api.Assertions.assertEquals; import org.junit.jupiter.api.Test; public class CustomerPrimitiveToStringTest { private static final String CUSTOMER_PRIMITIVE_TO_STRING = "Customer [balance=110, getFirstName()=Rajesh, getLastName()=Bhojwani]"; @Test public void givenPrimitive_whenToString_thenCustomerDetails() { CustomerPrimitiveToString customer = new CustomerPrimitiveToString(); customer.setFirstName("Rajesh"); customer.setLastName("Bhojwani"); customer.setBalance(110); assertEquals(CUSTOMER_PRIMITIVE_TO_STRING, customer.toString()); } }