77 lines
2.8 KiB
Java
77 lines
2.8 KiB
Java
/*
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* Copyright (c) 2016, 2018, 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 8196616
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* @summary Cannot list all the available display modes on Ubuntu linux in case
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* of two screen devices
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* @run main CompareToXrandrTest
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*/
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import java.awt.GraphicsEnvironment;
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import java.awt.GraphicsDevice;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.InputStreamReader;
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import java.util.Arrays;
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import java.util.Set;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.stream.Collectors;
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public class CompareToXrandrTest {
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public static void main(String[] args) throws Exception {
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if (!new File("/usr/bin/xrandr").exists()) {
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System.out.println("No xrandr tool to compare");
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return;
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}
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try (BufferedReader reader = new BufferedReader(new InputStreamReader(
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Runtime.getRuntime().exec("/usr/bin/xrandr").getInputStream()))) {
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Pattern pattern = Pattern.compile("^\\s*(\\d+x\\d+)");
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for (GraphicsDevice d : GraphicsEnvironment
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.getLocalGraphicsEnvironment().getScreenDevices()) {
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Set<String> xrandrModes = reader.lines().map(pattern::matcher)
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.filter(Matcher::find).map(m -> m.group(1))
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.collect(Collectors.toSet());
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Set<String> javaModes = Arrays.stream(d.getDisplayModes())
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.map(m -> m.getWidth() + "x" + m.getHeight())
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.collect(Collectors.toSet());
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if (!xrandrModes.equals(javaModes)) {
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throw new RuntimeException("Failed");
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} else {
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System.out.println("Device " + d + ": " + javaModes.size() +
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" modes found.");
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}
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}
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}
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}
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}
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