1 /*
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 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 9  * This code is distributed in the hope that it will be useful, but WITHOUT
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24 
25 /**
26  * @ignore Fix 8328162
27  * @test
28  * @bug 8291360 8293448
29  * @summary Test getting a class's raw access flags using java.lang.Class API
30  * @modules java.base/java.lang:open
31  * @enablePreview
32  * @compile classAccessFlagsRaw.jcod
33  * @run main/othervm ClassAccessFlagsRawTest
34  */
35 
36 import java.lang.reflect.*;
37 
38 public class ClassAccessFlagsRawTest {
39 
40     static Method m;
41 
42     public static void testIt(String className, int expectedResult) throws Exception {
43         Class<?> testClass = Class.forName(className);
44         int flags = (int)m.invoke(testClass);
45         if (flags != expectedResult) {
46             throw new RuntimeException(
47                 "expected 0x" + Integer.toHexString(expectedResult) + ", got 0x" + Integer.toHexString(flags) + " for class " + className);
48         }
49     }
50 
51     public static void main(String argv[]) throws Throwable {
52         Class<?> cl = java.lang.Class.class;
53         m = cl.getDeclaredMethod("getClassAccessFlagsRaw", new Class[0]);
54         m.setAccessible(true);
55 
56         testIt("SUPERset", Modifier.PUBLIC | Modifier.IDENTITY);
57         // Because of the repurposing of ACC_SUPER into ACC_IDENTITY by JEP 401, the VM now fixes missing ACC_IDENTITY flags in old class files
58         testIt("SUPERnotset", Modifier.PUBLIC | Modifier.IDENTITY);
59 
60         // test primitive array.  should return ACC_ABSTRACT | ACC_FINAL | ACC_PUBLIC.
61         int flags = (int)m.invoke((new int[3]).getClass());
62         if (flags != (Modifier.ABSTRACT | Modifier.FINAL | Modifier.PUBLIC)) {
63             throw new RuntimeException(
64                 "expected 0x411, got 0x" + Integer.toHexString(flags) + " for primitive array");
65         }
66 
67         // test object array.  should return flags of component.
68         flags = (int)m.invoke((new SUPERnotset[2]).getClass());
69         // Because of the repurposing of ACC_SUPER into ACC_IDENTITY by JEP 401, the VM now fixes missing ACC_IDENTITY flags in old class files
70         if (flags != (Modifier.PUBLIC | Modifier.IDENTITY)) {
71             throw new RuntimeException(
72                 "expected 0x1, got 0x" + Integer.toHexString(flags) + " for object array");
73         }
74 
75         // test multi-dimensional object array.  should return flags of component.
76         flags = (int)m.invoke((new SUPERnotset[4][2]).getClass());
77         // Because of the repurposing of ACC_SUPER into ACC_IDENTITY by JEP 401, the VM now fixes missing ACC_IDENTITY flags in old class files
78         if (flags != (Modifier.PUBLIC | Modifier.IDENTITY)) {
79             throw new RuntimeException(
80                 "expected 0x1, got 0x" + Integer.toHexString(flags) + " for object array");
81         }
82     }
83 }