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  * @key headful
  26  * @bug 8156121
  27  * @summary "Fail forward" fails for GTK3 if no GTK2 available
  28  * @modules java.desktop/sun.awt
  29  * @requires (os.family == "linux")
  30  * @run main GtkVersionTest
  31  */
  32 
  33 import sun.awt.UNIXToolkit;
  34 
  35 import java.awt.*;
  36 import java.io.*;
  37 
  38 public class GtkVersionTest {
  39     public static class LoadGtk {
  40         public static void main(String[] args) {
  41             ((UNIXToolkit)Toolkit.getDefaultToolkit()).loadGTK();
  42         }
  43     }
  44 
  45     public static void main(String[] args) throws Exception {
  46         test(null, "2");
  47         test("2", "2");
  48         test("2.2", "2");
  49         test("3", "3");
  50     }
  51 
  52     private static void test(String version, String expect) throws Exception {
  53         System.out.println( "Test " +
  54                 (version == null ? "no" : " GTK" + version) + " preference.");
  55         Process p = Runtime.getRuntime().exec(System.getProperty("java.home") +
  56                 "/bin/java " +
  57                 (version == null ? "" : "-Djdk.gtk.version=" + version) +
  58                 " -Djdk.gtk.verbose=true " +
  59                 "--add-exports=java.desktop/sun.awt=ALL-UNNAMED " +
  60                 "-cp " + System.getProperty("java.class.path", ".") +
  61                 " GtkVersionTest$LoadGtk");
  62         p.waitFor();
  63 
  64         try (BufferedReader br = new BufferedReader(
  65                 new InputStreamReader(p.getErrorStream()))) {
  66             String line;
  67             while ((line = br.readLine()) != null) {
  68                 System.out.println(line);
  69                 if (line.contains("Looking for GTK" + expect + " library")) {
  70                     return;
  71                 } else if (line.contains("Looking for GTK")) {
  72                     break;
  73                 }
  74             }
  75             throw new RuntimeException("Wrong GTK library version: \n" + line);
  76         }
  77     }
  78 
  79 }