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test/langtools/tools/javac/switchexpr/ExpressionSwitchEmbedding.java

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


   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  * @bug 8214031 8214114
  27  * @summary Verify switch expressions embedded in various statements work properly.
  28  * @compile --enable-preview -source ${jdk.version} ExpressionSwitchEmbedding.java
  29  * @run main/othervm --enable-preview ExpressionSwitchEmbedding
  30  */
  31 
  32 public class ExpressionSwitchEmbedding {
  33     public static void main(String... args) {
  34         new ExpressionSwitchEmbedding().run();
  35     }
  36 
  37     private void run() {
  38         {
  39             int i = 6;
  40             int o = 0;
  41             while (switch (i) {
  42                 case 1: i = 0; yield true;
  43                 case 2: i = 1; yield true;
  44                 case 3, 4: i--;
  45                     if (i == 2 || i == 4) {
  46                         yield switch (i) {
  47                             case 2 -> true;
  48                             case 4 -> false;
  49                             default -> throw new IllegalStateException();




   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  * @bug 8214031 8214114
  27  * @summary Verify switch expressions embedded in various statements work properly.
  28  * @compile ExpressionSwitchEmbedding.java
  29  * @run main ExpressionSwitchEmbedding
  30  */
  31 
  32 public class ExpressionSwitchEmbedding {
  33     public static void main(String... args) {
  34         new ExpressionSwitchEmbedding().run();
  35     }
  36 
  37     private void run() {
  38         {
  39             int i = 6;
  40             int o = 0;
  41             while (switch (i) {
  42                 case 1: i = 0; yield true;
  43                 case 2: i = 1; yield true;
  44                 case 3, 4: i--;
  45                     if (i == 2 || i == 4) {
  46                         yield switch (i) {
  47                             case 2 -> true;
  48                             case 4 -> false;
  49                             default -> throw new IllegalStateException();


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