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comparison test/compiler/types/correctness/scenarios/ClassIdentity.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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17880:e1fc9306859a 17881:534fbe3d90f0
1 /*
2 * Copyright (c) 2014, 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 com.oracle.java.testlibrary.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 }