test/tools/javac/generics/wildcards/neg/CastFail10.java

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  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 4916607
  27  * @summary Test casts (legal, warning, and errors)
  28  * @author gafter
  29  *
  30  * @compile/fail -source 1.5 CastFail10.java
  31  */
  32 
  33 import java.util.*;
  34 
  35 class CastTest {
  36 
  37     // --- Inconsistent matches ---
  38 
  39     private class BA<T> { }
  40     private class BB<T, S> { }
  41 
  42     private class BC<T> extends BA<Integer> { }
  43     private class BD<T> extends BB<T, T> { }
  44 
  45     private void inconsistentMatches() {
  46         Object o;
  47 
  48         o = (BD<String>) (BB<Number, String>) null; // <<fail 10>>
  49     }
  50 


  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 4916607
  27  * @summary Test casts (legal, warning, and errors)
  28  * @author gafter
  29  *
  30  * @compile/fail  CastFail10.java
  31  */
  32 
  33 import java.util.*;
  34 
  35 class CastTest {
  36 
  37     // --- Inconsistent matches ---
  38 
  39     private class BA<T> { }
  40     private class BB<T, S> { }
  41 
  42     private class BC<T> extends BA<Integer> { }
  43     private class BD<T> extends BB<T, T> { }
  44 
  45     private void inconsistentMatches() {
  46         Object o;
  47 
  48         o = (BD<String>) (BB<Number, String>) null; // <<fail 10>>
  49     }
  50