PropertyUtilsTest.java 文件源码

@Test
public void testGetPropertyDescriptorsWithAnnotation() {
    Map<PropertyDescriptor, Nullable> map = PropertyUtils.getPropertyDescriptorsWithAnnotation(TestEntity.class,
        Nullable.class);
    assertThat(map.keySet(), hasSize(1));
    PropertyDescriptor someObject = PropertyUtils.getPropertyDescriptor(TestEntity.class, TestEntity::getSomeObject);
    assertThat(map.get(someObject), instanceOf(Nullable.class));

    Map<PropertyDescriptor, Size> sizeProperties = PropertyUtils.getPropertyDescriptorsWithAnnotation(new DerivedClass(), Size.class);
    assertThat(collectPropertyNames(sizeProperties.keySet()), contains("baseClassStringProperty", "otherStringProperty"));
}