DefaultErrorAttributesTests.java 文件源码

@Test
public void extractMethodArgumentNotValidExceptionBindingResultErrors()
        throws Exception {
    BindingResult bindingResult = new MapBindingResult(
            Collections.singletonMap("a", "b"), "objectName");
    bindingResult.addError(new ObjectError("c", "d"));
    Exception ex = new MethodArgumentNotValidException(null, bindingResult);
    testBindingResult(bindingResult, ex);
}