1 /*
   2  * Copyright (c) 2008, 2012, 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 package org.graalvm.compiler.jtt.loop;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /*
  30  */
  31 public class LoopSwitch01 extends JTTTest {
  32 
  33     static int count = 0;
  34 
  35     @SuppressWarnings("unused")
  36     public static String test() {
  37         String line;
  38         while ((line = string()) != null) {
  39             switch (line.charAt(0)) {
  40                 case 'a':
  41                     new Object();
  42                     break;
  43                 case 'b':
  44                     new Object();
  45                     break;
  46                 default:
  47                     new Object();
  48                     break;
  49             }
  50         }
  51         return "ok" + count;
  52     }
  53 
  54     private static String string() {
  55         if (count == 0) {
  56             return null;
  57         }
  58         count--;
  59         return "" + ('a' + count);
  60     }
  61 
  62     @Test
  63     public void run0() throws Throwable {
  64         runTest("test");
  65     }
  66 
  67 }