1 /*
   2  * Copyright (c) 2019, 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  * @library ..
  27  * @modules jdk.jextract
  28  * @build IncompleteArrayTest
  29  *
  30  * @run testng/othervm IncompleteArrayTest
  31  */
  32 
  33 import org.testng.annotations.Test;
  34 import static org.testng.Assert.*;
  35 
  36 import java.nio.file.Path;
  37 
  38 public class IncompleteArrayTest extends JextractToolRunner {
  39 
  40     static final boolean IS_WINDOWS = System.getProperty("os.name").startsWith("Windows");
  41 
  42     @Test
  43     public void testIncompleteArraySimple() {
  44         Path jar = getOutputFilePath("incompleteArray1.jar");
  45         Path input = getInputFilePath("incompleteArray1.h");
  46         run("-o", jar.toString(),
  47                 input.toString())
  48                 .checkSuccess()
  49                 .checkMatchesOutput(".*WARNING: can not compute layout for type .+" +
  50                         " with flexible array member\\. Emitting undefined layout reference\\..*");
  51         try (Loader loader = classLoader(jar)) {
  52             // check if we can still load the class without NoClassDefFound
  53             assertNotNull(loader.loadClass(headerInterfaceName("incompleteArray1.h")));
  54         } finally {
  55             deleteFile(jar);
  56         }
  57     }
  58 
  59     @Test
  60     public void testIncompleteArrayNested() {
  61         Path jar = getOutputFilePath("incompleteArray2.jar");
  62         Path input = getInputFilePath("incompleteArray2.h");
  63         run("-o", jar.toString(),
  64                 input.toString())
  65                 .checkSuccess()
  66                 .checkMatchesOutput(".*WARNING: can not compute layout for type .+" +
  67                         " with flexible array member\\. Emitting undefined layout reference\\..*");
  68         try (Loader loader = classLoader(jar)) {
  69             assertNotNull(loader.loadClass(headerInterfaceName("incompleteArray2.h")));
  70         } finally {
  71             deleteFile(jar);
  72         }
  73     }
  74 
  75     @Test
  76     public void testIncompleteArrayUnion() {
  77         if (IS_WINDOWS) { // MSVC extension
  78             Path jar = getOutputFilePath("incompleteArray3.jar");
  79             Path input = getInputFilePath("incompleteArray3.h");
  80             run("-o", jar.toString(),
  81                     input.toString())
  82                     .checkSuccess()
  83                     .checkMatchesOutput(".*WARNING: can not compute layout for type .+" +
  84                             " with flexible array member\\. Emitting undefined layout reference\\..*");
  85             try (Loader loader = classLoader(jar)) {
  86                 assertNotNull(loader.loadClass(headerInterfaceName("incompleteArray3.h")));
  87             } finally {
  88                 deleteFile(jar);
  89             }
  90         }
  91     }
  92 
  93 }