Java example source code file (T4975569.java)

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Java - Java tags/keywords

acc_annotation, acc_bridge, acc_enum, acc_super, anno, error, innerclasses:\n, list, printwriter, prot, string, stringwriter, t4975569, util

The T4975569.java Java example source code

/*
 * Copyright (c) 2008, 2009, 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 4975569 6622215
 * @summary javap doesn't print new flag bits
 */

import java.io.*;
import java.util.*;

public class T4975569
{
    public static void main(String... args) {
        new T4975569().run();
    }

    void run() {
        verify("T4975569$Anno", "flags: ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION");
        verify("T4975569$E",    "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM");
        verify("T4975569$S",    "flags: ACC_BRIDGE, ACC_SYNTHETIC",
                                "InnerClasses:\n       static");
        verify("T4975569$V",    "void m(java.lang.String...)",
                                "flags: ACC_VARARGS");
        verify("T4975569$Prot", "InnerClasses:\n       protected");
        //verify("T4975569$Priv", "InnerClasses");
        if (errors > 0)
            throw new Error(errors + " found.");
    }

    void verify(String className, String... expects) {
        String output = javap(className);
        for (String expect: expects) {
            if (output.indexOf(expect)< 0)
                error(expect + " not found");
        }
    }

    void error(String msg) {
        System.err.println(msg);
        errors++;
    }

    int errors;

    String javap(String className) {
        String newline = System.getProperty("line.separator");
        String testClasses = System.getProperty("test.classes", ".");
        StringWriter sw = new StringWriter();
        PrintWriter out = new PrintWriter(sw);
        String[] args = { "-v", "-classpath", testClasses, className };
        int rc = com.sun.tools.javap.Main.run(args, out);
        if (rc != 0)
            throw new Error("javap failed. rc=" + rc);
        out.close();
        String output = sw.toString().replaceAll(newline, "\n");
        System.out.println("class " + className);
        System.out.println(output);
        return output;
    }

    List x() { return null; };

    class V { void m(String... args) { } }
    enum E { e; }
    @interface Anno { }
    static class S extends T4975569 {
        ArrayList x() { return null; }
    }

    protected class Prot { }
    //private class Priv { int i; }
}