1 /*
   2  * Copyright (c) 2009, 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.bytecode;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /*
  30  */
  31 public class BC_checkcast01 extends JTTTest {
  32 
  33     private static class TestClass {
  34     }
  35 
  36     static Object object2 = new Object();
  37     static Object object3 = "";
  38     static Object object4 = new TestClass();
  39 
  40     public static int test(int arg) {
  41         Object obj;
  42         if (arg == 2) {
  43             obj = object2;
  44         } else if (arg == 3) {
  45             obj = object3;
  46         } else if (arg == 4) {
  47             obj = object4;
  48         } else {
  49             obj = null;
  50         }
  51         final TestClass bc = (TestClass) obj;
  52         if (bc != null) {
  53             return arg;
  54         }
  55         return -1;
  56     }
  57 
  58     @Test
  59     public void run0() throws Throwable {
  60         runTest("test", 0);
  61     }
  62 
  63     @Test
  64     public void run1() throws Throwable {
  65         runTest("test", 1);
  66     }
  67 
  68     @Test
  69     public void run2() throws Throwable {
  70         runTest("test", 4);
  71     }
  72 
  73 }