软件单元测试(技能篇)

　附：注入私有属性的实现：

publicvoid setFieldObject(Object instance, String fieldName, Object value)

           throws IllegalArgumentException, IllegalAccessException,

           NoSuchFieldException {

       Field field = null;

       Class c = instance.getClass();

       do {

           try

           {

              field = c.getDeclaredField(fieldName);

           } catch (SecurityException e)

           {

              e.printStackTrace();

           } catch (NoSuchFieldException e)

           {

              c = c.getSuperclass();

           }

       }

       while (c.getName() != "java.lang.Object" && field == null);

       if (field != null)

       {

           field.setAccessible(true);

           field.set(instance, value);

       }

       else

       {

           new NoSuchFieldException(fieldName);

       }

    }

　　注：这是一个简单实现，实际中需要优化。

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