1 /*
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 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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
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24  */
25 
26 /*
27  * @test
28  * @bug 8207330
29  * @summary Check that flattenable flag is set for synthetic fields as needed.
30  * @modules jdk.jdeps/com.sun.tools.classfile
31  * @compile -XDenablePrimitiveClasses CheckFlattenableSyntheticFields.java
32  * @run main/othervm -XX:+EnableValhalla -XX:+EnablePrimitiveClasses CheckFlattenableSyntheticFields
33  */
34 
35 import com.sun.tools.classfile.*;
36 
37 public class CheckFlattenableSyntheticFields {
38     public class RefOuter {
39         primitive  class Inner {
40             private final int value2;
41             public Inner(int value2) {
42                 this.value2 = value2;
43             }
44         }
45     }
46     public primitive class ValueOuter {
47         int x = 10;
48         primitive  class Inner {
49             private final int value2;
50             public Inner(int value2) {
51                 this.value2 = value2;
52             }
53         }
54     }
55 
56     public static void main(String[] args) throws Exception {
57         ClassFile cls = ClassFile.read(CheckFlattenableSyntheticFields.class.getResourceAsStream("CheckFlattenableSyntheticFields$ValueOuter$Inner.class"));
58 
59         if (!cls.access_flags.is(AccessFlags.ACC_PRIMITIVE))
60             throw new Exception("Value flag not set");
61 
62         if (!cls.access_flags.is(AccessFlags.ACC_FINAL))
63             throw new Exception("Final flag not set");
64 
65         cls = ClassFile.read(CheckFlattenableSyntheticFields.class.getResourceAsStream("CheckFlattenableSyntheticFields$RefOuter$Inner.class"));
66 
67         if (!cls.access_flags.is(AccessFlags.ACC_PRIMITIVE))
68             throw new Exception("Value flag not set");
69 
70         if (!cls.access_flags.is(AccessFlags.ACC_FINAL))
71             throw new Exception("Final flag not set");
72 
73     }
74 }