1/*
2 * Copyright (c) 2008, 2016, 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 6761678 8162817
27 * @summary Check properties of Annotations returned from
28 * getParameterAnnotations, including freedom from security
29 * exceptions.
30 * @run main/othervm ParameterAnnotations
31 * @author Martin Buchholz
32 */
33
34import java.lang.annotation.Annotation;
35import java.lang.annotation.ElementType;
36import java.lang.annotation.Retention;
37import java.lang.annotation.RetentionPolicy;
38import java.lang.annotation.Target;
39import java.lang.reflect.Method;
40import java.security.Permission;
41import java.security.Policy;
42import java.security.ProtectionDomain;
43
44@Retention(RetentionPolicy.RUNTIME)
45@Target({ ElementType.FIELD, ElementType.PARAMETER })
46@interface Named {
47  String value();
48}
49
50public class ParameterAnnotations {
51
52    // A security policy that differs from the default only in that it
53    // allows a security manager to be uninstalled.
54    static class MyPolicy extends Policy {
55        final Policy defaultPolicy;
56        MyPolicy(Policy defaultPolicy) {
57            this.defaultPolicy = defaultPolicy;
58        }
59        public boolean implies(ProtectionDomain pd, Permission p) {
60            return p.getName().equals("setSecurityManager") ||
61                defaultPolicy.implies(pd, p);
62        }
63    }
64
65    public void nop(@Named("foo") Object foo,
66                    @Named("bar") Object bar) {
67    }
68
69    void test(String[] args) throws Throwable {
70        // Test without a security manager
71        test1();
72
73        // Test with a security manager
74        Policy defaultPolicy = Policy.getPolicy();
75        Policy.setPolicy(new MyPolicy(defaultPolicy));
76        System.setSecurityManager(new SecurityManager());
77        try {
78            test1();
79        } finally {
80            System.setSecurityManager(null);
81            Policy.setPolicy(defaultPolicy);
82        }
83    }
84
85    void test1() throws Throwable {
86        for (Method m : thisClass.getMethods()) {
87            if (m.getName().equals("nop")) {
88                Annotation[][] ann = m.getParameterAnnotations();
89                equal(ann.length, 2);
90                Annotation foo = ann[0][0];
91                Annotation bar = ann[1][0];
92                equal(foo.toString(), "@Named(value=\"foo\")");
93                equal(bar.toString(), "@Named(value=\"bar\")");
94                check(foo.equals(foo));
95                check(! foo.equals(bar));
96            }
97        }
98    }
99
100    //--------------------- Infrastructure ---------------------------
101    volatile int passed = 0, failed = 0;
102    void pass() {passed++;}
103    void fail() {failed++; Thread.dumpStack();}
104    void fail(String msg) {System.err.println(msg); fail();}
105    void unexpected(Throwable t) {failed++; t.printStackTrace();}
106    void check(boolean cond) {if (cond) pass(); else fail();}
107    void equal(Object x, Object y) {
108        if (x == null ? y == null : x.equals(y)) pass();
109        else fail(x + " not equal to " + y);}
110    static Class<?> thisClass = new Object(){}.getClass().getEnclosingClass();
111    public static void main(String[] args) throws Throwable {
112        try {thisClass.getMethod("instanceMain",String[].class)
113                .invoke(thisClass.newInstance(), (Object) args);}
114        catch (Throwable e) {throw e.getCause();}}
115    public void instanceMain(String[] args) throws Throwable {
116        try {test(args);} catch (Throwable t) {unexpected(t);}
117        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
118        if (failed > 0) throw new AssertionError("Some tests failed");}
119}
120