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test/langtools/tools/javac/diags/examples/IncompatibleTypesInSwitchExpression.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 // key: compiler.err.prob.found.req
  25 // key: compiler.misc.incompatible.type.in.switch.expression
  26 // key: compiler.misc.inconvertible.types
  27 // key: compiler.note.preview.filename
  28 // key: compiler.note.preview.recompile
  29 // options: --enable-preview -source ${jdk.version}
  30 
  31 
  32 class IncompatibleTypesInSwitchExpression {
  33 
  34     interface A { }
  35     interface B { }
  36 
  37     B b = switch (0) { case 0 -> (A)null; default -> (B)null; };
  38 }


   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 // key: compiler.err.prob.found.req
  25 // key: compiler.misc.incompatible.type.in.switch.expression
  26 // key: compiler.misc.inconvertible.types



  27 
  28 
  29 class IncompatibleTypesInSwitchExpression {
  30 
  31     interface A { }
  32     interface B { }
  33 
  34     B b = switch (0) { case 0 -> (A)null; default -> (B)null; };
  35 }
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