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 jdk.incubator.foreign.MemoryAddress;
26 import jdk.incubator.foreign.MemorySegment;
27 import org.testng.annotations.Test;
28 import static org.testng.Assert.assertNull;
29 import static org.testng.Assert.assertNotNull;
30 
31 /*
32  * @test
33  * @library /test/lib
34  * @modules jdk.incubator.jextract
35  * @build JextractToolRunner
36  * @bug 8251943
37  * @summary jextract should not generate MemorySegment typed fields for variables, struct fields if layout size info is not available
38  * @run testng/othervm --enable-native-access=jdk.incubator.jextract Test8251943
39  */
40 public class Test8251943 extends JextractToolRunner {
41 
42     @Test
43     public void test() {
44         Path outputPath = getOutputFilePath("output");
45         Path headerFile = getInputFilePath("test8251943.h");
46         run("-d", outputPath.toString(), headerFile.toString()).checkSuccess();
47         try(Loader loader = classLoader(outputPath)) {
48             Class<?> headerClass = loader.loadClass("test8251943_h");
49             assertNull(findMethod(headerClass, "tzname$SEGMENT"));
50 
51             Class<?> fooClass = loader.loadClass("Foo");
52             assertNotNull(findMethod(fooClass, "bar$get", MemorySegment.class));
53             assertNull(findMethod(fooClass, "names$get", MemorySegment.class));
54         } finally {
55             deleteDir(outputPath);
56         }
57     }
58 }