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annotate test/compiler/types/correctness/scenarios/CheckCast.java @ 17881:534fbe3d90f0

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8038418: New tests development for type profiling and speculation Reviewed-by: roland, iignatyev Contributed-by: Pavel Punegov <pavel.punegov@oracle.com>
author iignatyev
date Fri, 11 Apr 2014 18:46:35 +0400
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 package scenarios;
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25
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26 import com.oracle.java.testlibrary.Asserts;
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27 import hierarchies.TypeHierarchy;
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28
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29 import java.util.Objects;
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30
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31 /**
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32 * Checkcast scenario
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33 * @param <T> profiling parameter
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34 */
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35 public class CheckCast<T extends TypeHierarchy.I> extends Scenario<T, Integer> {
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36 public CheckCast(ProfilingType profilingType, TypeHierarchy<? extends T, ? extends T> hierarchy) {
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37 super("CheckCast", profilingType, hierarchy);
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38 }
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39
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40 /**
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41 * Returns type profiling.
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42 * @param obj is a profiled parameter for the test
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43 * @return parameter casted to the type R
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44 */
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45 @Override
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46 public Integer run(T obj) {
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47 switch (profilingType) {
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48 case RETURN:
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49 T t = collectReturnType(obj);
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50 if (t != null) {
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51 return t.m();
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52 }
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53 return null;
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54 case ARGUMENTS:
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55 field = obj;
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56 if (field != null) {
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57 return field.m();
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58 }
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59 return null;
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60 case PARAMETERS:
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61 if (obj != null) {
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62 return obj.m();
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63 }
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64 return null;
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65 }
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66 throw new RuntimeException("Should not reach here");
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67 }
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68
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69 @Override
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70 public void check(Integer result, T orig) {
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71 if (result != null || orig != null) {
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72 Objects.requireNonNull(result);
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73 Objects.requireNonNull(orig);
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74 Asserts.assertEquals(result, orig.m(), "Results mismatch");
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75 }
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76 }
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77 }