/*

 * Copyright (c) 2012, 2015, 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

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 * questions.

 */

/*

 * @test

 * @bug 7186925

 * @summary JavapTask passes null to java.io.Writer

 * @modules jdk.jdeps/com.sun.tools.classfile

 */

import java.io.*;

import java.util.*;

import javax.tools.*;

import com.sun.tools.javap.*;

public class T7186925

{

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

        new T7186925().run();

    }

    void run() {

        verify("java.lang.Object");

        if (errors > 0)

            throw new Error(errors + " found.");

    }

    void verify(String className) {

        try {

            JavaFileManager fileManager = JavapFileManager.create(null, null);

            JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);

            if (fo == null) {

                error("Can't find " + className);

            } else {

                JavapTask t = new JavapTask(null, fileManager, null);

                t.handleOptions(new String[] { "-sysinfo", className });

                JavapTask.ClassFileInfo cfInfo = t.read(fo);

                expectEqual(cfInfo.cf.byteLength(), cfInfo.size);

            }

        } catch (NullPointerException ee) {

            ee.printStackTrace();

            error("Exception: " + ee);

        } catch (Exception ee) {

            System.err.println("Caught exception: " + ee);

        }

    }

    void expectEqual(int found, int expected) {

        if (found != expected)

            error("bad value found: " + found + " expected: " + expected);

    }

    void error(String msg) {

        System.err.println(msg);

        errors++;

    }

    int errors;

}