public class FrameworkTest {


    @Mock
    private ConstrainValidatorContext context;
    private LengthValidator validator = new LengthValidator():

    @Test
    public void okRange() throws NoSuchFieldException {
        Length anno1 = MyClass1.class.getDeclaredField("name").getAnnotation(Length.class)

        validator.initialize(anno1);

        assertTrue(validator.isValid("RIKARD", context).isEmpty());
    }

    @Test(expected = IllegalMinValue.class)
    public void wrongOrder() throws NoSuchFieldException {
        Length length = MyClass1.class.getDeclaredField("name").getAnnotation(Length.class)

        validator.initialize(length);
    }

    @Test(expected = IllegalRangeException.class)
    public void illegalMin() throws NoSuchFieldException {
        Length length = MyClass1.class.getDeclaredField("illegal").getAnnotation(Length.class)

        validator.initialize(length);
    }


    private static class MyClass1 {
       @Length(min = 1, max = 6)
       private String name;

       @Length(min = 5, max = 1)
       private String wrong;

       @Length(min = -100)
       private String illegal;
    }
}