1 /* 2 * Copyright (c) 2018, 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 org.testng.annotations.Test; 25 26 import java.foreign.layout.Layout; 27 import java.foreign.annotations.NativeStruct; 28 import java.nio.file.Path; 29 30 import static org.testng.Assert.assertEquals; 31 import static org.testng.Assert.assertNotNull; 32 import static org.testng.Assert.assertTrue; 33 34 /* 35 * @test 36 * @modules jdk.jextract 37 * @build JextractToolRunner 38 * @run testng EmptyStructTest 39 */ 40 public class EmptyStructTest extends JextractToolRunner { 41 @Test 42 public void emptyStruct() { 43 Path clzPath = getOutputFilePath("EmptyStructTest.jar"); 44 checkSuccess(null,"-o", clzPath.toString(), 45 getInputFilePath("emptyStruct.h").toString()); 46 Class<?> cls = loadClass("emptyStruct", clzPath); 47 Class<?>[] inners = cls.getDeclaredClasses(); 48 assertEquals(inners.length, 3); 49 Class<?> emptyStruct = findClass(inners, "EmptyStruct"); 50 Class<?> nothing = findClass(inners, "Nothing"); 51 assertTrue(nothing.isAnnotation()); 52 NativeStruct ns = emptyStruct.getAnnotation(NativeStruct.class); 53 assertNotNull(ns); 54 Layout layout = Layout.of(ns.value()); 55 assertEquals(layout.bitsSize(), 0); 56 deleteFile(clzPath); 57 } 58 } --- EOF ---