1 /*
   2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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  * @bug 6827009
  27  * @summary Positive tests for strings in switch.
  28  * @author  Joseph D. Darcy
  29  */
  30 
  31 public class StringSwitches {
  32 
  33     public static void main(String... args) {
  34         int failures = 0;
  35 
  36         failures += testPileup();
  37         failures += testSwitchingTwoWays();
  38         failures += testNamedBreak();

  39 
  40         if (failures > 0) {
  41             throw new RuntimeException();
  42         }
  43     }
  44 
  45     /*
  46      * A zero length string and all strings consisting only of the
  47      * zero character \u0000 have a hash code of zero.  This method
  48      * maps such strings to the number of times \u0000 appears for 0
  49      * through 6 occurrences.
  50      */
  51     private static int zeroHashes(String s) {
  52         int result = Integer.MAX_VALUE;
  53         switch(s) {
  54         case "":
  55             return 0;
  56 
  57         case "\u0000":
  58             result = 1; break;

 243                 break inner;
 244 
 245             case "cc":
 246                 break outer;
 247 
 248             default:
 249                 result |= (1<<2);
 250                 return result;
 251             }
 252 
 253         case "d":
 254             result |= (1<<3);
 255             break outer;
 256 
 257         default:
 258             return result |= (1<<4);
 259         }
 260         result |= (1<<5);
 261         return result;
 262     }















 263 }

   1 /*
   2  * Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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  * @bug 6827009 7071246
  27  * @summary Positive tests for strings in switch.
  28  * @author  Joseph D. Darcy
  29  */
  30 
  31 public class StringSwitches {
  32 
  33     public static void main(String... args) {
  34         int failures = 0;
  35 
  36         failures += testPileup();
  37         failures += testSwitchingTwoWays();
  38         failures += testNamedBreak();
  39         failures += testExtraParens();
  40 
  41         if (failures > 0) {
  42             throw new RuntimeException();
  43         }
  44     }
  45 
  46     /*
  47      * A zero length string and all strings consisting only of the
  48      * zero character \u0000 have a hash code of zero.  This method
  49      * maps such strings to the number of times \u0000 appears for 0
  50      * through 6 occurrences.
  51      */
  52     private static int zeroHashes(String s) {
  53         int result = Integer.MAX_VALUE;
  54         switch(s) {
  55         case "":
  56             return 0;
  57 
  58         case "\u0000":
  59             result = 1; break;

 244                 break inner;
 245 
 246             case "cc":
 247                 break outer;
 248 
 249             default:
 250                 result |= (1<<2);
 251                 return result;
 252             }
 253 
 254         case "d":
 255             result |= (1<<3);
 256             break outer;
 257 
 258         default:
 259             return result |= (1<<4);
 260         }
 261         result |= (1<<5);
 262         return result;
 263     }
 264 
 265     private static int testExtraParens() {
 266         int failures = 1;
 267         String s = "first";
 268 
 269         switch(s) {
 270         case (("first")):
 271             failures = 0;
 272             break;
 273         case ("second"):
 274             throw new RuntimeException("Should not be reached.");
 275         }
 276 
 277         return failures;
 278     }
 279 }