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 import java.util.Objects;
  30 
  31 /**
  32  * Checkcast scenario
  33  * @param <T> profiling parameter
  34  */
  35 public class CheckCast<T extends TypeHierarchy.I> extends Scenario<T, Integer> {
  36     public CheckCast(ProfilingType profilingType, TypeHierarchy<? extends T, ? extends T> hierarchy) {
  37         super("CheckCast", profilingType, hierarchy);
  38     }
  39 
  40     /**
  41      * Returns type profiling.
  42      * @param obj is a profiled parameter for the test
  43      * @return parameter casted to the type R
  44      */
  45     @Override
  46     public Integer run(T obj) {
  47         switch (profilingType) {
  48             case RETURN:
  49                 T t = collectReturnType(obj);
  50                 if (t != null) {
  51                     return t.m();
  52                 }
  53                 return null;
  54             case ARGUMENTS:
  55                 field = obj;
  56                 if (field != null) {
  57                     return field.m();
  58                 }
  59                 return null;
  60             case PARAMETERS:
  61                 if (obj != null) {
  62                     return obj.m();
  63                 }
  64                 return null;
  65         }
  66         throw new RuntimeException("Should not reach here");
  67     }
  68 
  69     @Override
  70     public void check(Integer result, T orig) {
  71         if (result != null || orig != null) {
  72             Objects.requireNonNull(result);
  73             Objects.requireNonNull(orig);
  74             Asserts.assertEquals(result, orig.m(), "Results mismatch");
  75         }
  76     }
  77 }