import com.rental.Car; public class TestCar { public static void main(String[] args) { try { // 测试1:创建车辆对象 System.out.println("=== 测试1:创建车辆对象 ==="); Car car1 = new Car("沪A12345", "奥迪", "A6", 500.0); Car car2 = new Car("沪B67890", "宝马", "5系"); // 使用默认日租金 // 测试2:展示车辆信息 System.out.println("=== 测试2:展示车辆信息 ==="); car1.displayInfo(); car2.displayInfo(); // 测试3:租车操作 System.out.println("=== 测试3:租车操作 ==="); boolean rentResult1 = car1.rentCar(); System.out.println("租车结果: " + (rentResult1 ? "成功" : "失败")); // 测试4:重复租车 System.out.println("=== 测试4:重复租车 ==="); boolean rentResult2 = car1.rentCar(); System.out.println("重复租车结果: " + (rentResult2 ? "成功" : "失败")); // 测试5:还车操作 System.out.println("=== 测试5:还车操作 ==="); boolean returnResult = car1.returnCar(); System.out.println("还车结果: " + (returnResult ? "成功" : "失败")); // 测试6:计算租金 System.out.println("=== 测试6:计算租金 ==="); double rent = car1.calculateRent(7); System.out.println("7天租金: " + rent + "元"); // 测试7:获取车辆总数 System.out.println("=== 测试7:获取车辆总数 ==="); System.out.println("车辆总数: " + Car.getTotalCars()); // 测试8:测试toString方法 System.out.println("=== 测试8:测试toString方法 ==="); System.out.println(car1.toString()); System.out.println(car2.toString()); // 测试9:测试参数验证 System.out.println("=== 测试9:测试参数验证 ==="); try { new Car(null, "奔驰", "C级"); } catch (IllegalArgumentException e) { System.out.println("空车牌号测试: " + e.getMessage()); } try { car1.calculateRent(0); } catch (IllegalArgumentException e) { System.out.println("天数为0测试: " + e.getMessage()); } System.out.println("\n=== 所有测试完成 ==="); } catch (Exception e) { System.out.println("测试过程中出现错误: " + e.getMessage()); e.printStackTrace(); } } }