1 /*
   2  * Copyright (c) 2014, 2015, 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 package scenarios;
  25 
  26 import jdk.test.lib.Asserts;
  27 import hierarchies.TypeHierarchy;
  28 
  29 /**
  30  * Tests {@link Class#isInstance(Object)}
  31  */
  32 public class ClassIsInstance<T extends TypeHierarchy.I> extends Scenario<T, Integer> {
  33     private final Class<?> baseClass;
  34 
  35     public ClassIsInstance(ProfilingType profilingType,
  36                            TypeHierarchy<? extends T, ? extends T> hierarchy) {
  37         super("ClassIsInstance", profilingType, hierarchy);
  38         this.baseClass = hierarchy.getClassM();
  39     }
  40 
  41     @Override
  42     public Integer run(T obj) {
  43         switch (profilingType) {
  44             case RETURN:
  45                 T t = collectReturnType(obj);
  46                 if (baseClass.isInstance(t)) {
  47                     return inlinee(t);
  48                 }
  49                 return TypeHierarchy.TEMP;
  50             case ARGUMENTS:
  51                 field = obj;
  52                 if (baseClass.isInstance(field)) {
  53                     return inlinee(field);
  54                 }
  55                 return TypeHierarchy.TEMP;
  56             case PARAMETERS:
  57                 if (baseClass.isInstance(obj)) {
  58                     return inlinee(obj);
  59                 }
  60                 return TypeHierarchy.TEMP;
  61         }
  62         throw new RuntimeException("Should not reach here");
  63     }
  64 
  65     public int inlinee(T obj) {
  66         return obj.m();
  67     }
  68 
  69     @Override
  70     public void check(Integer result, T orig) {
  71         if (baseClass.isInstance(orig)) {
  72             Asserts.assertEquals(result, orig.m(), "Results are not equal for base class");
  73         } else {
  74             Asserts.assertEquals(result, TypeHierarchy.TEMP, "Result differs from expected");
  75         }
  76     }
  77 }