--- /dev/null 2016-10-12 09:42:07.401815906 +0300 +++ new/test/java/awt/FullScreen/CurrentDisplayModeTest/CurrentDisplayModeTest.java 2016-10-12 10:21:56.065731562 +0300 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test + * @bug 8022810 + * @summary Device.getDisplayMode() doesn't report refresh rate on Linux in case of dual screen + * @run main CurrentDisplayModeTest + */ + +import java.awt.*; +import java.util.Arrays; +import java.util.HashSet; +import java.util.Set; + +public class CurrentDisplayModeTest { + public static void main(String[] args) { + GraphicsDevice[] screenDevices = GraphicsEnvironment. + getLocalGraphicsEnvironment().getScreenDevices(); + for (GraphicsDevice screenDevice : screenDevices) { + DisplayMode currentMode = screenDevice.getDisplayMode(); + System.out.println("current mode " + currentMode); + Set set = new HashSet<>( + Arrays.asList(screenDevice.getDisplayModes())); + if (!set.contains(currentMode)) { + throw new RuntimeException("Mode " + currentMode + + " is not found in the modes list " + set); + } + } + } +}