1 /*
 2  * Copyright (c) 2021, 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 jdk.incubator.foreign.CLinker;
25 import jdk.incubator.foreign.MemoryAddress;
26 import jdk.incubator.foreign.MemorySegment;
27 import jdk.incubator.foreign.ResourceScope;
28 import org.testng.annotations.Test;
29 
30 import java.lang.invoke.MethodHandles;
31 import java.lang.invoke.MethodType;
32 import java.lang.reflect.Method;
33 import java.lang.reflect.InvocationTargetException;
34 
35 /*
36  * @test
37  * @run testng TestRestricted
38  */
39 public class TestRestricted {
40     @Test(expectedExceptions = InvocationTargetException.class)
41     public void testReflection() throws Throwable {
42         Method method = CLinker.class.getDeclaredMethod("systemCLinker");
43         method.invoke(null);
44     }
45 
46     @Test(expectedExceptions = IllegalCallerException.class)
47     public void testInvoke() throws Throwable {
48         var mh = MethodHandles.lookup().findStatic(CLinker.class,
49                 "systemCLinker", MethodType.methodType(CLinker.class));
50         var seg = (CLinker)mh.invokeExact();
51     }
52 
53     @Test(expectedExceptions = IllegalCallerException.class)
54     public void testDirectAccess() throws Throwable {
55         CLinker.systemCLinker();
56     }
57 
58     @Test(expectedExceptions = InvocationTargetException.class)
59     public void testReflection2() throws Throwable {
60         Method method = MemorySegment.class.getDeclaredMethod("ofAddressNative", MemoryAddress.class, long.class, ResourceScope.class);
61         method.invoke(null, MemoryAddress.NULL, 4000L, ResourceScope.globalScope());
62     }
63 
64     @Test(expectedExceptions = IllegalCallerException.class)
65     public void testInvoke2() throws Throwable {
66         var mh = MethodHandles.lookup().findStatic(MemorySegment.class, "ofAddressNative",
67             MethodType.methodType(MemorySegment.class, MemoryAddress.class, long.class, ResourceScope.class));
68         var seg = (MemorySegment)mh.invokeExact(MemoryAddress.NULL, 4000L, ResourceScope.globalScope());
69     }
70 
71     @Test(expectedExceptions = IllegalCallerException.class)
72     public void testDirectAccess2() throws Throwable {
73         MemorySegment.ofAddressNative(MemoryAddress.NULL, 4000, ResourceScope.globalScope());
74     }
75 }