test/tools/javac/InvalidIntfCast.java

Print this page




  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4023359 4948130
  27  * @summary The compiler should detect an invalid cast between interfaces.
  28  * @author turnidge
  29  *
  30  * @compile -source 1.5 InvalidIntfCast.java
  31  */
  32 
  33 interface I {
  34     void method();
  35 }
  36 
  37 interface J {
  38     int method();
  39 }
  40 
  41 public class InvalidIntfCast {
  42     public static void main(String[] args) {
  43         I i = null;
  44         J j = (J) i;
  45     }
  46 }


  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4023359 4948130
  27  * @summary The compiler should detect an invalid cast between interfaces.
  28  * @author turnidge
  29  *
  30  * @compile InvalidIntfCast.java
  31  */
  32 
  33 interface I {
  34     void method();
  35 }
  36 
  37 interface J {
  38     int method();
  39 }
  40 
  41 public class InvalidIntfCast {
  42     public static void main(String[] args) {
  43         I i = null;
  44         J j = (J) i;
  45     }
  46 }