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 }