54 lines
2.1 KiB
Java
54 lines
2.1 KiB
Java
/*
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* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @key headful
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* @bug 8022810
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* @summary Device.getDisplayMode() doesn't report refresh rate on Linux in case
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* of dual screen
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* @run main CurrentDisplayModeTest
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*/
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import java.awt.*;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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public class CurrentDisplayModeTest {
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public static void main(String[] args) {
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GraphicsDevice[] screenDevices = GraphicsEnvironment.
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getLocalGraphicsEnvironment().getScreenDevices();
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for (GraphicsDevice screenDevice : screenDevices) {
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DisplayMode currentMode = screenDevice.getDisplayMode();
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System.out.println("current mode " + currentMode);
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Set<DisplayMode> set = new HashSet<>(
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Arrays.asList(screenDevice.getDisplayModes()));
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if (!set.contains(currentMode)) {
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throw new RuntimeException("Mode " + currentMode +
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" is not found in the modes list " + set);
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}
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}
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}
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}
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