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test/langtools/tools/javac/switchextra/DefiniteAssignment1.java

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rev 56806 : 8232684: Make switch expressions final
Reviewed-by: TBD


   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @summary Verify that definite assignment works (legal code)
  27  * @compile --enable-preview -source ${jdk.version} DefiniteAssignment1.java
  28  * @run main/othervm --enable-preview DefiniteAssignment1
  29  */
  30 public class DefiniteAssignment1 {
  31     public static void main(String[] args) {
  32         int a = 0;
  33 
  34         {
  35         int x;
  36 
  37         switch(a) {
  38             case 0: x = 0; break;
  39             default: x = 1; break;
  40         }
  41 
  42         if (x != 0)
  43             throw new IllegalStateException("Unexpected value.");
  44         }
  45 
  46         {
  47         int x;
  48 




   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @summary Verify that definite assignment works (legal code)
  27  * @compile DefiniteAssignment1.java
  28  * @run main DefiniteAssignment1
  29  */
  30 public class DefiniteAssignment1 {
  31     public static void main(String[] args) {
  32         int a = 0;
  33 
  34         {
  35         int x;
  36 
  37         switch(a) {
  38             case 0: x = 0; break;
  39             default: x = 1; break;
  40         }
  41 
  42         if (x != 0)
  43             throw new IllegalStateException("Unexpected value.");
  44         }
  45 
  46         {
  47         int x;
  48 


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