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  1. JDK
  2. JDK-4972885

XMLGregorianCalendar.isValid() is wrong for FEBRUARY, 29 and for year 0000

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    • Subcomponent:
    • Resolved In Build:
      b36
    • CPU:
      generic
    • OS:
      generic
    • Verification:
      Verified

      Description

      Name: erR10175 Date: 12/26/2003


       
        The following method of the class javax.xml.datatype.XMLGregorianCalendar
        
      public boolean isValid()

      allows year 0000 and does not account for leap days in FEBRUARY.

      According to the javadoc of the method, it must validate instance by
      appropriate XML Schema type constraints. XML Schema type 'date' prohibits
      29th of FEBRUARY if the year is not leap. XML Schema 1.0 Specification Errata
      prohibits the year 0000. So, the method must return false for both '1999-02-29'
      and '0000-01-01'.

      This bug affects new test in JCK 1.5 (not integrated yet)
          api/javax_xml/datatype/XMLGregorianCalendar/index.html#IsValid[IsValid001]

      The bug is found in jdk1.5.0/beta/b32.

      To reproduce the bug compile and run the following code as shown
      in the log below.
      ------------------------------------------ test.java
      import javax.xml.datatype.XMLGregorianCalendar;

      class test {
          public static void main(String [] args) {
              XMLGregorianCalendar c
                  = XMLGregorianCalendar.createDate(1999,2,29,0);
              boolean valid = c.isValid();
              if (valid) {
                  System.out.println("Failed: '1999-02-29'.isValid()"
                      + " returns true, expected false");
              } else {
                  System.out.println("OK: '1999-02-29'.isValid() returns false");
              }
              c = XMLGregorianCalendar.createDate(0,1,1,0);
              valid = c.isValid();
              if (valid) {
                  System.out.println("Failed: '0000-01-01'.isValid()"
                      + " returns true, expected false");
              } else {
                  System.out.println("OK: '0000-01-01'.isValid() returns false");
              }
          }
      }
      ----------------------------------------------------

      ------------------------------------------------ log
      $javac test.java && java -cp . -showversion test
      java version "1.5.0-beta"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32)
      Java HotSpot(TM) Client VM (build 1.5.0-beta-b32, mixed mode)

      Failed: '1999-02-29'.isValid() returns true, expected false
      Failed: '0000-01-01'.isValid() returns true, expected false
      ----------------------------------------------------

      ======================================================================

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            Assignee:
            jfialli Joe Fialli
            Reporter:
            reysunw Rey Rey (Inactive)
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