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.MemorySegment;
26 import jdk.incubator.foreign.ResourceScope;
27 import jdk.incubator.foreign.SegmentAllocator;
28 import org.testng.annotations.Test;
29 import test.jextract.test8246341.*;
30 import static org.testng.Assert.assertEquals;
31 import static org.testng.Assert.assertTrue;
32 import static test.jextract.test8246341.test8246341_h.*;
33 import static jdk.incubator.foreign.CLinker.*;
34 
35 /*
36  * @test id=classes
37  * @bug 8246341
38  * @summary jextract should generate Cpointer utilities class
39  * @library ..
40  * @modules jdk.incubator.jextract
41  * @run driver JtregJextract -l Test8246341 -t test.jextract.test8246341 -- test8246341.h
42  * @run testng/othervm --enable-native-access=jdk.incubator.jextract,ALL-UNNAMED LibTest8246341Test
43  */
44 /*
45  * @test id=sources
46  * @bug 8246341
47  * @summary jextract should generate Cpointer utilities class
48  * @library ..
49  * @modules jdk.incubator.jextract
50  * @run driver JtregJextractSources -l Test8246341 -t test.jextract.test8246341 -- test8246341.h
51  * @run testng/othervm --enable-native-access=jdk.incubator.jextract,ALL-UNNAMED LibTest8246341Test
52  */
53 public class LibTest8246341Test {
54     @Test
55     public void testPointerArray() {
56         boolean[] callbackCalled = new boolean[1];
57         try (ResourceScope scope = ResourceScope.newConfinedScope()) {
58             var callback = func$callback.allocate((argc, argv) -> {
59                 callbackCalled[0] = true;
60                 var addr = MemorySegment.ofAddressNative(argv, C_POINTER.byteSize() * argc, scope);
61                 assertEquals(argc, 4);
62                 assertEquals(addr.get(C_POINTER, 0).getUtf8String(0), "java");
63                 assertEquals(addr.get(C_POINTER, C_POINTER.byteSize() * 1).getUtf8String(0), "python");
64                 assertEquals(addr.get(C_POINTER, C_POINTER.byteSize() * 2).getUtf8String(0), "javascript");
65                 assertEquals(addr.get(C_POINTER, C_POINTER.byteSize() * 3).getUtf8String(0), "c++");
66             }, scope);
67             func(callback);
68         }
69         assertTrue(callbackCalled[0]);
70     }
71 
72     @Test
73     public void testPointerAllocate() {
74         try (var scope = ResourceScope.newConfinedScope()) {
75             var allocator = SegmentAllocator.newNativeArena(C_POINTER.byteSize(), scope);
76             var addr = allocator.allocate(C_POINTER);
77             addr.set(C_POINTER, 0, MemoryAddress.NULL);
78             fillin(addr);
79             assertEquals(addr.get(C_POINTER, 0).getUtf8String(0), "hello world");
80         }
81     }
82 }