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 java.nio.file.Path;
25 import org.testng.annotations.Test;
26 import static org.testng.Assert.assertNotNull;
27 
28 /*
29  * @test
30  * @modules jdk.incubator.jextract
31  * @library /test/lib
32  * @build JextractToolRunner
33  * @bug 8258405
34  * @summary functional interfaces are not generated for struct fields/global variables with function pointers
35  * @run testng/othervm --enable-native-access=jdk.incubator.jextract Test8258405
36  */
37 public class Test8258405 extends JextractToolRunner {
38     @Test
39     public void test() {
40         Path test8258405Output = getOutputFilePath("test8258405_gen");
41         Path test8258405H = getInputFilePath("test8258405.h");
42         run("-d", test8258405Output.toString(), test8258405H.toString()).checkSuccess();
43         try(Loader loader = classLoader(test8258405Output)) {
44             Class<?> cls = loader.loadClass("test8258405_h");
45             assertNotNull(cls);
46             // check global function pointer variable 'func'
47             cls = loader.loadClass("func");
48             assertNotNull(cls);
49             assertNotNull(findMethod(cls, "apply", int.class));
50             // check function pointer member 'bar' of struct 'Foo'
51             cls = loader.loadClass("Foo$bar");
52             assertNotNull(cls);
53             assertNotNull(findMethod(cls, "apply", float.class, double.class));
54         } finally {
55             deleteDir(test8258405Output);
56         }
57     }
58 }