1 /*
 2  * Copyright (c) 2019, 2020, 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 /**
25  * @test
26  * @bug 8209687
27  * @summary Verify that Parse::optimize_cmp_with_klass() works with inline types.
28  * @library /test/lib
29  * @compile TestOptimizeKlassCmp.java
30  * @run main/othervm -Xbatch compiler.valhalla.inlinetypes.TestOptimizeKlassCmp
31  */
32 
33 package compiler.valhalla.inlinetypes;
34 
35 import jdk.test.lib.Asserts;
36 
37 primitive class MyValue {
38     public final int x;
39 
40     public MyValue(int x) {
41         this.x = x;
42     }
43 }
44 
45 public class TestOptimizeKlassCmp {
46 
47     public static boolean test1(MyValue v1, MyValue v2) {
48         return v1.equals(v2);
49     }
50 
51     public static boolean test2(MyValue v1, MyValue v2) {
52         return v1.getClass().equals(v2.getClass());
53     }
54 
55     public static boolean test3(Object o1, Object o2) {
56         return o1.getClass().equals(o2.getClass());
57     }
58 
59     public static void main(String[] args) {
60         MyValue v1 = new MyValue(0);
61         MyValue v2 = new MyValue(1);
62         for (int i = 0; i < 10_000; ++i) {
63             Asserts.assertFalse(test1(v1, v2));
64             Asserts.assertTrue(test1(v1, v1));
65             Asserts.assertTrue(test2(v1, v2));
66             Asserts.assertTrue(test2(v1, v1));
67             Asserts.assertTrue(test3(v1, v2));
68             Asserts.assertTrue(test3(v1, v1));
69         }
70     }
71 }