1 /*
 2  * Copyright (c) 2020, 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.MemoryAddress;
25 import jdk.incubator.foreign.NativeAllocationScope;
26 import org.testng.annotations.Test;
27 import test.jextract.test8246341.*;
28 import static org.testng.Assert.assertEquals;
29 import static org.testng.Assert.assertTrue;
30 import static test.jextract.test8246341.test8246341_h.*;
31 
32 /*
33  * @test
34  * @library ..
35  * @modules jdk.incubator.jextract
36  * @bug 8246341
37  * @summary jextract should generate Cpointer utilities class
38  * @run driver JtregJextract -l Test8246341 -t test.jextract.test8246341 -- test8246341.h
39  * @run testng/othervm -Dforeign.restricted=permit LibTest8246341Test
40  */
41 public class LibTest8246341Test {
42     @Test
43     public void testPointerArray() {
44         boolean[] callbackCalled = new boolean[1];
45         try (var callback = func$callback.allocate((argc, argv) -> {
46             callbackCalled[0] = true;
47             var addr = Cpointer.asArray(argv, argc);
48             assertEquals(argc, 4);
49             assertEquals(Cstring.toJavaString(Cpointer.get(addr, 0)), "java");
50             assertEquals(Cstring.toJavaString(Cpointer.get(addr, 1)), "python");
51             assertEquals(Cstring.toJavaString(Cpointer.get(addr, 2)), "javascript");
52             assertEquals(Cstring.toJavaString(Cpointer.get(addr, 3)), "c++");
53         })) {
54             func(callback.baseAddress());
55         }
56         assertTrue(callbackCalled[0]);
57     }
58 
59     @Test
60     public void testPointerAllocate() {
61         try (var scope = NativeAllocationScope.boundedScope(Cpointer.sizeof())) {
62             var addr = Cpointer.allocate(MemoryAddress.NULL, scope);
63             fillin(addr);
64             assertEquals(Cstring.toJavaString(Cpointer.get(addr)), "hello world");
65         }
66 
67         try (var seg = Cpointer.allocate(MemoryAddress.NULL)) {
68             var addr = seg.baseAddress();
69             fillin(addr);
70             assertEquals(Cstring.toJavaString(Cpointer.get(addr)), "hello world");
71         }
72     }
73 }