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comparison test/runtime/contended/OopMaps.java @ 10348:3970971c91e0

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8015270: @Contended: fix multiple issues in the layout code Summary: field count handling fixed, has_nonstatic_fields invariant fixed, oop map overrun fixed; new asserts Reviewed-by: kvn, dcubed, coleenp
author shade
date Mon, 27 May 2013 12:49:08 -0700
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children 01c2bdd24bb5
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10347:6c138b9851fb 10348:3970971c91e0
1 /*
2 * Copyright (c) 2013, 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 import java.io.BufferedReader;
25 import java.io.InputStreamReader;
26 import java.lang.Class;
27 import java.lang.String;
28 import java.lang.System;
29 import java.lang.management.ManagementFactory;
30 import java.lang.management.RuntimeMXBean;
31 import java.util.ArrayList;
32 import java.util.List;
33 import java.util.concurrent.CyclicBarrier;
34 import java.util.regex.Matcher;
35 import java.util.regex.Pattern;
36 import java.lang.reflect.Field;
37 import java.lang.reflect.Modifier;
38 import sun.misc.Unsafe;
39 import sun.misc.Contended;
40
41 /*
42 * @test
43 * @bug 8015270
44 * @summary \@Contended: fix multiple issues in the layout code
45 *
46 * @run main/othervm -XX:-RestrictContended OopMaps
47 */
48 public class OopMaps {
49
50 public static void main(String[] args) throws Exception {
51 Object o01 = new Object();
52 Object o02 = new Object();
53 Object o03 = new Object();
54 Object o04 = new Object();
55 Object o05 = new Object();
56 Object o06 = new Object();
57 Object o07 = new Object();
58 Object o08 = new Object();
59 Object o09 = new Object();
60 Object o10 = new Object();
61 Object o11 = new Object();
62 Object o12 = new Object();
63 Object o13 = new Object();
64 Object o14 = new Object();
65
66 final int COUNT = 100000;
67 R1[] rs = new R1[COUNT];
68
69 for (int i = 0; i < COUNT; i++) {
70 R1 r1 = new R1();
71 r1.o01 = o01;
72 r1.o02 = o02;
73 r1.o03 = o03;
74 r1.o04 = o04;
75 r1.o05 = o05;
76 r1.o06 = o06;
77 r1.o07 = o07;
78 r1.o08 = o08;
79 r1.o09 = o09;
80 r1.o10 = o10;
81 r1.o11 = o11;
82 r1.o12 = o12;
83 r1.o13 = o13;
84 r1.o14 = o14;
85 r1.i1 = 1;
86 r1.i2 = 2;
87 r1.i3 = 3;
88 r1.i4 = 4;
89 rs[i] = r1;
90 }
91
92 System.gc();
93
94 for (int i = 0; i < COUNT; i++) {
95 R1 r1 = rs[i];
96 if (r1.o01 != o01) throw new Error("Test Error: o01");
97 if (r1.o02 != o02) throw new Error("Test Error: o02");
98 if (r1.o03 != o03) throw new Error("Test Error: o03");
99 if (r1.o04 != o04) throw new Error("Test Error: o04");
100 if (r1.o05 != o05) throw new Error("Test Error: o05");
101 if (r1.o06 != o06) throw new Error("Test Error: o06");
102 if (r1.o07 != o07) throw new Error("Test Error: o07");
103 if (r1.o08 != o08) throw new Error("Test Error: o08");
104 if (r1.o09 != o09) throw new Error("Test Error: o09");
105 if (r1.o10 != o10) throw new Error("Test Error: o10");
106 if (r1.o11 != o11) throw new Error("Test Error: o11");
107 if (r1.o12 != o12) throw new Error("Test Error: o12");
108 if (r1.o13 != o13) throw new Error("Test Error: o13");
109 if (r1.o14 != o14) throw new Error("Test Error: o14");
110 if (r1.i1 != 1) throw new Error("Test Error: i1");
111 if (r1.i2 != 2) throw new Error("Test Error: i2");
112 if (r1.i3 != 3) throw new Error("Test Error: i3");
113 if (r1.i4 != 4) throw new Error("Test Error: i4");
114 }
115 }
116
117 public static class R0 {
118 int i1;
119 int i2;
120
121 Object o01;
122 Object o02;
123
124 @Contended
125 Object o03;
126
127 @Contended
128 Object o04;
129
130 @Contended
131 Object o05;
132
133 @Contended
134 Object o06;
135
136 @Contended
137 Object o07;
138 }
139
140 public static class R1 extends R0 {
141 int i3;
142 int i4;
143
144 Object o08;
145 Object o09;
146
147 @Contended
148 Object o10;
149
150 @Contended
151 Object o11;
152
153 @Contended
154 Object o12;
155
156 @Contended
157 Object o13;
158
159 @Contended
160 Object o14;
161 }
162
163 }
164