1 /*
 2  * Copyright (c) 2022, 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  * @library ../ /test/lib
27  * @run testng/othervm --enable-native-access=ALL-UNNAMED TestPassHeapSegment
28  */
29 
30 import org.testng.annotations.DataProvider;
31 import org.testng.annotations.Test;
32 
33 import java.io.IOException;
34 import java.lang.foreign.FunctionDescriptor;
35 import java.lang.foreign.MemorySegment;
36 import java.lang.invoke.MethodHandle;
37 
38 import static java.lang.foreign.ValueLayout.ADDRESS;
39 
40 public class TestPassHeapSegment extends UpcallTestHelper  {
41 
42     static {
43         System.loadLibrary("PassHeapSegment");
44     }
45 
46     @Test(expectedExceptions = IllegalArgumentException.class,
47         expectedExceptionsMessageRegExp = ".*Heap segment not allowed.*")
48     public void testNoHeapArgs() throws Throwable {
49         MethodHandle handle = downcallHandle("test_args", FunctionDescriptor.ofVoid(ADDRESS));
50         MemorySegment segment = MemorySegment.ofArray(new byte[]{ 0, 1, 2 });
51         handle.invoke(segment); // should throw
52     }
53 
54     @Test(dataProvider = "specs")
55     public void testNoHeapReturns(boolean spec) throws IOException, InterruptedException {
56         runInNewProcess(Runner.class, spec).assertStdErrContains("Heap segment not allowed");
57     }
58 
59     public static class Runner {
60 
61         static {
62             System.loadLibrary("PassHeapSegment");
63         }
64 
65         public static void main(String[] args) throws Throwable {
66             MethodHandle handle = downcallHandle("test_return", FunctionDescriptor.ofVoid(ADDRESS));
67             MemorySegment upcallStub = upcallStub(Runner.class, "target", FunctionDescriptor.of(ADDRESS));
68             handle.invoke(upcallStub);
69         }
70 
71         public static MemorySegment target() {
72             return MemorySegment.ofArray(new byte[]{ 0, 1, 2 }); // should throw
73         }
74     }
75 
76     @DataProvider
77     public static Object[][] specs() {
78         return new Object[][]{
79             { true },
80             { false }
81         };
82     }
83 }