1 /*
   2  * Copyright (c) 2016, 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 /* @test
  25  * @bug 8156121
  26  * @summary "Fail forward" fails for GTK3 if no GTK2 available
  27  * @modules java.desktop/sun.awt
  28  * @requires (os.family == "linux")
  29  * @run main GtkVersionTest
  30  */
  31 
  32 import sun.awt.UNIXToolkit;
  33 
  34 import java.awt.*;
  35 import java.io.*;
  36 
  37 public class GtkVersionTest {
  38     public static class LoadGtk {
  39         public static void main(String[] args) {
  40             ((UNIXToolkit)Toolkit.getDefaultToolkit()).loadGTK();
  41         }
  42     }
  43 
  44     public static void main(String[] args) throws Exception {
  45         test(null, "2");
  46         test("2", "2");
  47         test("2.2", "2");
  48         test("3", "3");
  49     }
  50 
  51     private static void test(String version, String expect) throws Exception {
  52         System.out.println( "Test " +
  53                 (version == null ? "no" : " GTK" + version) + " preference.");
  54         Process p = Runtime.getRuntime().exec(System.getProperty("java.home") +
  55                 "/bin/java " +
  56                 (version == null ? "" : "-Djdk.gtk.version=" + version) +
  57                 " -Djdk.gtk.verbose=true " +
  58                 "-XaddExports:java.desktop/sun.awt=ALL-UNNAMED " +
  59                 "-cp " + System.getProperty("java.class.path", ".") +
  60                 " GtkVersionTest$LoadGtk");
  61         p.waitFor();
  62 
  63         try (BufferedReader br = new BufferedReader(
  64                 new InputStreamReader(p.getErrorStream()))) {
  65             String line;
  66             while ((line = br.readLine()) != null) {
  67                 System.out.println(line);
  68                 if (line.contains("Looking for GTK" + expect + " library")) {
  69                     return;
  70                 } else if (line.contains("Looking for GTK")) {
  71                     break;
  72                 }
  73             }
  74             throw new RuntimeException("Wrong GTK library version: \n" + line);
  75         }
  76     }
  77 
  78 }