jdk-24/test/langtools/tools/javap/T6715753.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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
 * @bug 6715753
 * @summary Use javap to inquire about a specific inner class
 * @modules jdk.jdeps/com.sun.tools.javap
 */

import java.io.*;

public class T6715753 {
    public static void main(String... args) throws Exception {
        new T6715753().run();
    }

    void run() throws Exception {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        String[] args = { "-notAnOption" };
        int rc = com.sun.tools.javap.Main.run(args, pw);
        String log = sw.toString();
        if (rc == 0
            || log.indexOf("-notAnOption") == -1
            || log.indexOf("javap") == -1) { // locale-independent indication of usage message
            System.err.println("rc: " + rc + ", log=\n" + log);
            throw new Exception("test failed");
        }
    }
}