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 /*
25  * @test
26  * @build JextractApiTestBase
27  * @run testng/othervm --enable-native-access=jdk.incubator.jextract Test8238712
28  */
29 
30 import jdk.incubator.jextract.Declaration;
31 import jdk.incubator.jextract.Type;
32 import org.testng.annotations.Test;
33 
34 import static org.testng.Assert.assertTrue;
35 
36 public class Test8238712 extends JextractApiTestBase {
37     @Test
38     public void test8238712() {
39         Declaration.Scoped d = parse("Test8238712.h");
40         Declaration.Scoped structFoo = checkStruct(d, "foo", "n", "ptr");
41         Type intType = ((Declaration.Variable) structFoo.members().get(0)).type();
42         Type fooType = Type.declared(structFoo);
43         checkFunction(d, "withRecordTypeArg", intType, intType, fooType);
44         checkFunction(d, "returnRecordType", fooType);
45         // Opaque struct, have no field
46         Declaration.Scoped structBar = checkStruct(d, "bar");
47         assertTrue(structBar.layout().isEmpty());
48         Type barType = Type.declared(structBar);
49         // Function with opaque struct won't work but should have cursor for tool to handle
50         checkFunction(d, "returnBar", barType);
51         checkFunction(d, "withBar", Type.void_(), barType);
52         // Function use pointer to opaque struct should be OK
53         Type barPointer = Type.pointer(barType);
54         checkFunction(d, "nextBar", barPointer, barPointer);
55     }
56 }