--- /dev/null	2020-02-03 17:34:34.000000000 +0530
+++ new/test/jdk/tools/jextract/testStruct/LibStructTest.java	2020-02-03 17:34:34.000000000 +0530
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.incubator.foreign.*;
+import org.testng.annotations.Test;
+import test.jextract.struct.struct_h;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.fail;
+import static test.jextract.struct.struct_h.*;
+
+/*
+ * @test
+ * @library ..
+ * @modules jdk.incubator.jextract
+ * @run driver JtregJextract -l Struct -t test.jextract.struct -- struct.h
+ * @run testng LibStructTest
+ */
+public class LibStructTest {
+    @Test
+    public void func() {}
+
+    /*
+    @Test
+    public void testVoidArguments() {
+        libStruct.voidArguments();
+        assertEquals(Pointer.toString(libStruct.LastCalledMethod$get()), "voidArguments");
+    }
+
+    @Test
+    public void testEmptyArguments() {
+        libStruct.emptyArguments(1);
+        assertEquals(Pointer.toString(libStruct.LastCalledMethod$get()), "emptyArguments");
+    }
+
+    @Test
+    public void testCastAndAccess() {
+        Pointer<UndefinedStruct> ptr = libStruct.allocateUndefinedStruct();
+        Plain pt = libStruct.fromUndefinedStruct(ptr);
+        assertEquals(pt.x$get(), 0x1234);
+        assertEquals(pt.y$get(), 0x3412);
+
+        try {
+            Plain tmp = ptr.cast(LayoutType.ofStruct(Plain.class)).get();
+            fail("Should not be able to cast incompatible layout directly");
+        } catch (ClassCastException ex) {
+            // ignore expected
+        }
+
+        // This is working now as an escape, but should it really?
+        Plain tmp = ptr.cast(NativeTypes.VOID).cast(LayoutType.ofStruct(Plain.class)).get();
+        assertEquals(tmp.x$get(), 0x1234);
+        assertEquals(tmp.y$get(), 0x3412);
+    }*/
+}