/*

 * Copyright (c) 1997, 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 4030253 4030278 4030243

  @summary Test for correct parameter checking in read(byte[], int, int),

  readFully(byte[], int, int) and write(byte[], int, int) of RandomAccessFile

  */

import java.io.*;

public class ParameterCheck {

    static int off[] = {-1, -1,  0, 0, 33, 33, 0, 32,

                        32, 4, 1, 0, -1, Integer.MAX_VALUE, 1};

    static int len[] = {-1,  0, -1, 33, 0, 4, 32,

                        0, 4, 16, 31, 0, Integer.MAX_VALUE,

                        Integer.MAX_VALUE, Integer.MAX_VALUE};

    static boolean results[] = { false,  false,  false, false, false, false,

                                 true, true, false, true, true, true, false,

                                 false, false };

    static int numBad = 0;

    private static void doTest(String method) throws Exception {

        File fn = new File("x.ParameterCheck");

        try {

            byte b[] = new byte[32];

            int numCases = off.length;

            int[] got = new int[numCases];

            int numGood = 0;

            FileOutputStream fout = new FileOutputStream(fn);

            for (int i = 0; i < 32; i++) {

                fout.write(i);

            }

            fout.close();

            System.err.println("-----------------------------" +

                               "-----------------------------");

            System.err.println("\nRandomAccessFile." + method +

                               "\nTotal test cases = " + (off.length+1));

            System.err.println("-----------------------------" +

                               "-----------------------------");

            for(int i = 0; i < numCases; i++) {

                try {

                    if (method.equals("readFully")) {

                        raf.readFully(b , off[i] , len[i]);

                    }

                    if (method.equals("read")) {

                        raf.read(b , off[i] , len[i]);

                    }

                    if (method.equals("write")) {

                        raf.write(b , off[i] , len[i]);

                    }

                    raf.seek(0);

                } catch(IndexOutOfBoundsException aiobe) {

                    if (results[i]) {

                        printErr(method , numGood,

                                 i, "java.lang.IndexOutOfBoundsException");

                    } else {

                        numGood++;

                    }

                    continue;

                } catch(OutOfMemoryError ome) {

                    printErr(method, numGood,

                             i, "java.lang.OutOfMemoryError");

                    continue;

                }

                if (results[i]) {

                    numGood++;

                }

                else {

                    printErr(method, numGood,

                             i, "No java.lang.IndexOutOfBoundsException");

                }

            }

            raf.seek(0);

            boolean thrown = false;

            try {

                if (method.equals("readFully")) {

                    raf.readFully(null, 1, 2);

                }

                if (method.equals("read")) {

                    raf.read(null, 1, 2);

                }

                if (method.equals("write")) {

                    raf.write(null, 1, 2);

                }

            } catch(NullPointerException npe) {

                numGood++;

                thrown = true;

            }

            if (!thrown) {

                printErr(method, numGood, -1,

                         "no NullPointerException for null b");

            }

            System.err.println("\nTotal passed = " + numGood);

            System.err.println("-----------------------------" +

                               "-----------------------------");

        } finally {

            fn.delete();

        }

    }

    private static void printErr(String method, int numGood,

                                 int i, String expStr) {

        numBad++;

        System.err.println("\nNumber passed so far = " + numGood +

                           "\nUnexpected " + expStr);

        if ( i < 0 ) {

            System.err.println("for case : b = null");

        } else {

            System.err.println("for case : b.length = " + 32 +

                               " off = " + off[i] +

                               " len = " + len[i]);

        }

    }

    public static void main(String argv[]) throws Exception{

        doTest("read");

        doTest("readFully");

        doTest("write");

        if (numBad > 0) {

            throw new RuntimeException("Failed " + numBad + " tests");

        }

    }

}