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 pattern: if (a.getClass() == D.class)
  31  */
  32 public class ClassIdentity<T extends TypeHierarchy.I> extends Scenario<T, Integer> {
  33     public ClassIdentity(ProfilingType profilingType,
  34                          TypeHierarchy<? extends T, ? extends T> hierarchy) {
  35         super("ClassIdentity", profilingType, hierarchy);
  36     }
  37 
  38     @Override
  39     public boolean isApplicable() {
  40         return hierarchy.getM() != null && hierarchy.getN() != null;
  41     }
  42 
  43     @Override
  44     public Integer run(T obj) {
  45         switch (profilingType) {
  46             case RETURN:
  47                 T t = collectReturnType(obj);
  48                 if (t.getClass() == TypeHierarchy.A.class) {
  49                     return inlinee(t);
  50                 }
  51                 return TypeHierarchy.TEMP;
  52             case ARGUMENTS:
  53                 field = obj;
  54                 if (field.getClass() == TypeHierarchy.A.class) {
  55                     return inlinee(field);
  56                 }
  57                 return TypeHierarchy.TEMP;
  58             case PARAMETERS:
  59                 if (obj.getClass() == TypeHierarchy.A.class) {
  60                     return inlinee(obj);
  61                 }
  62                 return TypeHierarchy.TEMP;
  63         }
  64         throw new RuntimeException("Should not reach here");
  65     }
  66 
  67     public int inlinee(T obj) {
  68         return obj.m();
  69     }
  70 
  71     @Override
  72     public void check(Integer result, T orig) {
  73         if (orig.getClass() == TypeHierarchy.A.class) {
  74             Asserts.assertEquals(result, orig.m(),
  75                     "Results are not equal for TypeHierarchy.A.class");
  76         } else {
  77             Asserts.assertEquals(result, TypeHierarchy.TEMP, "Result differs from expected");
  78         }
  79     }
  80 }