Quelle  InfoStreams.java

/*
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test
 * @library /test/lib
 * @build InfoStreams jdk.test.lib.process.ProcessTools
 * @run main InfoStreams
 * @summary Test that informational options use the correct streams
 */

import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class InfoStreams {

    public static OutputAnalyzer run(String ... opts) throws Exception {
        return ProcessTools.executeTestJava(opts).shouldHaveExitValue(0);
    }

    private static final String
        java_version = System.getProperty("java.version"),
        USAGE = "^Usage: java ",
        VERSION_ERR = "^(java|openjdk) version \"" + java_version + "\"",
        VERSION_OUT = "^(java|openjdk) " + java_version,
        FULLVERSION_ERR = "^(java|openjdk) full version \"" + java_version + ".*\"",
        FULLVERSION_OUT = "^(java|openjdk) " + java_version,
        NONSTD = ".*These extra options are subject to change";

    public static void main(String ... args) throws Exception {

        String classPath = System.getProperty("java.class.path");

        run("-help").stderrShouldMatch(USAGE).stdoutShouldNotMatch(USAGE);
        run("--help").stdoutShouldMatch(USAGE).stderrShouldNotMatch(USAGE);

        run("-version").stderrShouldMatch(VERSION_ERR)
                       .stdoutShouldNotMatch(VERSION_ERR)
                       .stdoutShouldNotMatch(VERSION_OUT);
        run("--version").stdoutShouldMatch(VERSION_OUT)
                        .stderrShouldNotMatch(VERSION_OUT)
                        .stderrShouldNotMatch(VERSION_ERR);

        run("-showversion", "--dry-run", "-cp", classPath, "InfoStreams")
            .stderrShouldMatch(VERSION_ERR)
            .stdoutShouldNotMatch(VERSION_ERR)
            .stdoutShouldNotMatch(VERSION_OUT);
        run("--show-version", "--dry-run", "-cp", classPath, "InfoStreams")
            .stdoutShouldMatch(VERSION_OUT)
            .stderrShouldNotMatch(VERSION_OUT)
            .stderrShouldNotMatch(VERSION_ERR);

        run("-fullversion").stderrShouldMatch(FULLVERSION_ERR)
                           .stdoutShouldNotMatch(FULLVERSION_ERR)
                           .stdoutShouldNotMatch(FULLVERSION_OUT);
        run("--full-version").stdoutShouldMatch(FULLVERSION_OUT)
                             .stderrShouldNotMatch(FULLVERSION_OUT)
                             .stderrShouldNotMatch(FULLVERSION_ERR);

        run("-X").stderrShouldMatch(NONSTD).stdoutShouldNotMatch(NONSTD);
        run("--help-extra").stdoutShouldMatch(NONSTD).stderrShouldNotMatch(NONSTD);
    }
}