/*
 * This code is part of the Java FITS library developed 1996-2012 by T.A. McGlynn (NASA/GSFC)
 * The code is available in the public domain and may be copied, modified and used
 * by anyone in any fashion for any purpose without restriction. 
 * 
 * No warranty regarding correctness or performance of this code is given or implied.
 * Users may contact the author if they have questions or concerns.
 * 
 * The author would like to thank many who have contributed suggestions, 
 * enhancements and bug fixes including:
 * David Glowacki, R.J. Mathar, Laurent Michel, Guillaume Belanger,
 * Laurent Bourges, Rose Early, Jorgo Baker, A. Kovacs, V. Forchi, J.C. Segovia,
 * Booth Hartley and Jason Weiss.  
 * I apologize to any contributors whose names may have been inadvertently omitted.
 * 
 *      Tom McGlynn
 */

package nom.tam.util.test;

import org.junit.Test;
import static org.junit.Assert.assertEquals;
import junit.framework.JUnit4TestAdapter;

import nom.tam.util.*;
import nom.tam.util.ArrayFuncs;
import java.io.*;

/** This class provides runs tests of the
 *  BufferedI/O classes: BufferedFile, BufferedDataInputStream
 *  and BufferedDataOutputStream.  A limited comparison
 *  to the standard I/O classes can also be made.
 *  <p>
 *  Input and output of all primitive scalar and array types is
 *  tested, however input and output of String data is not.
 *  Users may choose to test the BufferedFile class, the
 *  BufferedDataXPUT classes array methods, the BufferedDataXPUT
 *  classes using the methods of DataXput, the traditional
 *  I/O classes, or any combination thereof.
 */
public class BufferedFileTester {

    /** Usage: java nom.tam.util.test.BufferedFileTester file [dim [iter [flags]]]
     *         where
     *	       file 	is the file to be read and written.
     *         dim 	is the dimension of the arrays to be written.
     *         iter 	is the number of times each array is written.
     *         flags	a string indicating what I/O to test
     *                  O  -- test old I/O (RandomAccessFile and standard streams)
     *                  R  -- BufferedFile (i.e., random access)
     *                  S  -- BufferedDataXPutStream
     *                  X  -- BufferedDataXPutStream using standard methods
     */
    public static void main(String[] args) throws Exception {

        String filename = args[0];
        int dim = 1000;
        if (args.length > 1) {
            dim = Integer.parseInt(args[1]);
        }
        int iter = 1;
        if (args.length > 2) {
            iter = Integer.parseInt(args[2]);
        }

        System.out.println("Allocating arrays.");
        double[] db = new double[dim];
        float[] fl = new float[dim];
        int[] in = new int[dim];
        long[] ln = new long[dim];
        short[] sh = new short[dim];
        byte[] by = new byte[dim];
        char[] ch = new char[dim];
        boolean[] bl = new boolean[dim];

        System.out.println("Initializing arrays -- may take a while");
        int sign = 1;
        for (int i = 0; i < dim; i += 1) {


            double x = sign * Math.pow(10., 20 * Math.random() - 10);
            db[i] = x;
            fl[i] = (float) x;

            if (Math.abs(x) < 1) {
                x = 1 / x;
            }

            in[i] = (int) x;
            ln[i] = (long) x;
            sh[i] = (short) x;
            by[i] = (byte) x;
            ch[i] = (char) x;
            bl[i] = x > 0;

            sign = -sign;
        }

        // Ensure special values are tested.

        by[0] = Byte.MIN_VALUE;
        by[1] = Byte.MAX_VALUE;
        by[2] = 0;
        ch[0] = Character.MIN_VALUE;
        ch[1] = Character.MAX_VALUE;
        ch[2] = 0;
        sh[0] = Short.MAX_VALUE;
        sh[1] = Short.MIN_VALUE;
        sh[0] = 0;
        in[0] = Integer.MAX_VALUE;
        in[1] = Integer.MIN_VALUE;
        in[2] = 0;
        ln[0] = Long.MIN_VALUE;
        ln[1] = Long.MAX_VALUE;
        ln[2] = 0;
        fl[0] = Float.MIN_VALUE;
        fl[1] = Float.MAX_VALUE;
        fl[2] = Float.POSITIVE_INFINITY;
        fl[3] = Float.NEGATIVE_INFINITY;
        fl[4] = Float.NaN;
        fl[5] = 0;
        db[0] = Double.MIN_VALUE;
        db[1] = Double.MAX_VALUE;
        db[2] = Double.POSITIVE_INFINITY;
        db[3] = Double.NEGATIVE_INFINITY;
        db[4] = Double.NaN;
        db[5] = 0;

        double[] db2 = new double[dim];
        float[] fl2 = new float[dim];
        int[] in2 = new int[dim];
        long[] ln2 = new long[dim];
        short[] sh2 = new short[dim];
        byte[] by2 = new byte[dim];
        char[] ch2 = new char[dim];
        boolean[] bl2 = new boolean[dim];

        int[][][][] multi = new int[10][10][10][10];
        int[][][][] multi2 = new int[10][10][10][10];
        for (int i = 0; i < 10; i += 1) {
            multi[i][i][i][i] = i;
        }

        if (args.length < 4 || args[3].indexOf('O') >= 0) {
            standardFileTest(filename, iter, in, in2);
            standardStreamTest(filename, iter, in, in2);
        }

        if (args.length < 4 || args[3].indexOf('X') >= 0) {
            buffStreamSimpleTest(filename, iter, in, in2);
        }

        if (args.length < 4 || args[3].indexOf('R') >= 0) {
            bufferedFileTest(filename, iter, db, db2, fl, fl2, ln, ln2, in, in2, sh, sh2,
                    ch, ch2, by, by2, bl, bl2, multi, multi2);
        }


        if (args.length < 4 || args[3].indexOf('S') >= 0) {
            bufferedStreamTest(filename, iter, db, db2, fl, fl2, ln, ln2, in, in2, sh, sh2,
                    ch, ch2, by, by2, bl, bl2, multi, multi2);
        }
    }

    public static void standardFileTest(String filename, int iter, int[] in, int[] in2)
            throws Exception {
        System.out.println("Standard I/O library: java.io.RandomAccessFile");

        RandomAccessFile f = new RandomAccessFile(filename, "rw");
        int dim = in.length;
        resetTime();
        f.seek(0);
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                f.writeInt(in[i]);
            }
        }
        System.out.println("  RAF Int write: " + (4 * dim * iter) / (1000 * deltaTime()));
        f.seek(0);
        resetTime();
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                in2[i] = f.readInt();
            }
        }
        System.out.println("  RAF Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));


        synchronized (f) {
            f.seek(0);
            for (int j = 0; j < iter; j += 1) {
                for (int i = 0; i < dim; i += 1) {
                    f.writeInt(in[i]);
                }
            }
            System.out.println("  SyncRAF Int write: " + (4 * dim * iter) / (1000 * deltaTime()));
            f.seek(0);
            resetTime();
            for (int j = 0; j < iter; j += 1) {
                for (int i = 0; i < dim; i += 1) {
                    in2[i] = f.readInt();
                }
            }
        }
        System.out.println("  SyncRAF Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));
    }

    public static void standardStreamTest(String filename, int iter, int[] in, int[] in2)
            throws Exception {
        System.out.println("Standard I/O library: java.io.DataXXputStream");
        System.out.println("                      layered atop a BufferedXXputStream");

        DataOutputStream f = new DataOutputStream(new BufferedOutputStream(
                new FileOutputStream(filename), 32768));
        resetTime();
        int dim = in.length;
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                f.writeInt(in[i]);
            }
        }
        f.flush();
        f.close();
        System.out.println("  DIS Int write: " + (4 * dim * iter) / (1000 * deltaTime()));

        DataInputStream is = new DataInputStream(new BufferedInputStream(
                new FileInputStream(filename), 32768));
        resetTime();
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                in2[i] = is.readInt();
            }
        }
        System.out.println("  DIS Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));


        f = new DataOutputStream(new BufferedOutputStream(
                new FileOutputStream(filename), 32768));
        resetTime();
        dim = in.length;
        synchronized (f) {
            for (int j = 0; j < iter; j += 1) {
                for (int i = 0; i < dim; i += 1) {
                    f.writeInt(in[i]);
                }
            }
            f.flush();
            f.close();
            System.out.println("  DIS Int write: " + (4 * dim * iter) / (1000 * deltaTime()));

            is = new DataInputStream(new BufferedInputStream(
                    new FileInputStream(filename), 32768));
            resetTime();
            for (int j = 0; j < iter; j += 1) {
                for (int i = 0; i < dim; i += 1) {
                    in2[i] = is.readInt();
                }
            }
        }
        System.out.println("  DIS Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));
    }

    public static void buffStreamSimpleTest(String filename, int iter, int[] in, int[] in2)
            throws Exception {

        System.out.println("New libraries:  nom.tam.BufferedDataXXputStream");
        System.out.println("                Using non-array I/O");
        BufferedDataOutputStream f = new BufferedDataOutputStream(
                new FileOutputStream(filename), 32768);
        resetTime();
        int dim = in.length;
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                f.writeInt(in[i]);
            }
        }
        f.flush();
        f.close();
        System.out.println("  BDS Int write: " + (4 * dim * iter) / (1000 * deltaTime()));

        BufferedDataInputStream is = new BufferedDataInputStream(new BufferedInputStream(
                new FileInputStream(filename), 32768));
        resetTime();
        for (int j = 0; j < iter; j += 1) {
            for (int i = 0; i < dim; i += 1) {
                in2[i] = is.readInt();
            }
        }
        System.out.println("  BDS Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));
    }

    public static void bufferedStreamTest(String filename, int iter, double[] db, double[] db2,
            float[] fl, float[] fl2, long[] ln, long[] ln2,
            int[] in, int[] in2, short[] sh, short[] sh2,
            char[] ch, char[] ch2, byte[] by, byte[] by2,
            boolean[] bl, boolean[] bl2,
            int[][][][] multi, int[][][][] multi2) throws Exception {

        int dim = db.length;

        double ds = Math.random() - 0.5;
        double ds2;
        float fs = (float) (Math.random() - 0.5);
        float fs2;
        int is = (int) (1000000 * (Math.random() - 500000));
        int is2;
        long ls = (long) (100000000000L * (Math.random() - 50000000000L));
        long ls2;
        short ss = (short) (60000 * (Math.random() - 30000));
        short ss2;
        char cs = (char) (60000 * Math.random());
        char cs2;
        byte bs = (byte) (256 * Math.random() - 128);
        byte bs2;
        boolean bls = (Math.random() > 0.5);
        boolean bls2;
        System.out.println("New libraries: nom.tam.util.BufferedDataXXputStream");
        System.out.println("               Using array I/O methods");

        {
            BufferedDataOutputStream f = new BufferedDataOutputStream(new FileOutputStream(filename));

            resetTime();
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(db);
            }
            System.out.println("  BDS Dbl write: " + (8 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(fl);
            }
            System.out.println("  BDS Flt write: " + (4 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(in);
            }
            System.out.println("  BDS Int write: " + (4 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(ln);
            }
            System.out.println("  BDS Lng write: " + (8 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(sh);
            }
            System.out.println("  BDS Sht write: " + (2 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(ch);
            }
            System.out.println("  BDS Chr write: " + (2 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray((byte[]) by);
            }
            System.out.println("  BDS Byt write: " + (1 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.writeArray(bl);
            }
            System.out.println("  BDS Boo write: " + (1 * dim * iter) / (1000 * deltaTime()));

            f.writeByte(bs);
            f.writeChar(cs);
            f.writeShort(ss);
            f.writeInt(is);
            f.writeLong(ls);
            f.writeFloat(fs);
            f.writeDouble(ds);
            f.writeBoolean(bls);

            f.writeArray(multi);
            f.flush();
            f.close();
        }

        {
            BufferedDataInputStream f = new BufferedDataInputStream(new FileInputStream(filename));


            resetTime();
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(db2);
            }
            System.out.println("  BDS Dbl read:  " + (8 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(fl2);
            }
            System.out.println("  BDS Flt read:  " + (4 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(in2);
            }
            System.out.println("  BDS Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(ln2);
            }
            System.out.println("  BDS Lng read:  " + (8 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(sh2);
            }
            System.out.println("  BDS Sht read:  " + (2 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(ch2);
            }
            System.out.println("  BDS Chr read:  " + (2 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray((byte[]) by2);
            }
            System.out.println("  BDS Byt read:  " + (1 * dim * iter) / (1000 * deltaTime()));
            for (int i = 0; i < iter; i += 1) {
                f.readLArray(bl2);
            }
            System.out.println("  BDS Boo read:  " + (1 * dim * iter) / (1000 * deltaTime()));

            bs2 = f.readByte();
            cs2 = f.readChar();
            ss2 = f.readShort();
            is2 = f.readInt();
            ls2 = f.readLong();
            fs2 = f.readFloat();
            ds2 = f.readDouble();
            bls2 = f.readBoolean();

            for (int i = 0; i < 10; i += 1) {
                multi2[i][i][i][i] = 0;
            }

            // Now read only pieces of the multidimensional array.
            for (int i = 0; i < 5; i += 1) {
                System.out.println("Multiread:" + i);
                // Skip the odd initial indices and
                // read the evens.
                f.skipBytes(4000);
                f.readLArray(multi2[2 * i + 1]);
            }
            f.close();
        }

        System.out.println("Stream Verification:");
        System.out.println("  An error should be reported for double and float NaN's");
        System.out.println("  Arrays:");

        for (int i = 0; i < dim; i += 1) {

            if (db[i] != db2[i]) {
                System.out.println("     Double error at " + i + " " + db[i] + " " + db2[i]);
            }
            if (fl[i] != fl2[i]) {
                System.out.println("     Float error at " + i + " " + fl[i] + " " + fl2[i]);
            }
            if (in[i] != in2[i]) {
                System.out.println("     Int error at " + i + " " + in[i] + " " + in2[i]);
            }
            if (ln[i] != ln2[i]) {
                System.out.println("     Long error at " + i + " " + ln[i] + " " + ln2[i]);
            }
            if (sh[i] != sh2[i]) {
                System.out.println("     Short error at " + i + " " + sh[i] + " " + sh2[i]);
            }
            if (ch[i] != ch2[i]) {
                System.out.println("     Char error at " + i + " " + (int) ch[i] + " " + (int) ch2[i]);
            }
            if (by[i] != by2[i]) {
                System.out.println("     Byte error at " + i + " " + by[i] + " " + by2[i]);
            }
            if (bl[i] != bl2[i]) {
                System.out.println("     Bool error at " + i + " " + bl[i] + " " + bl2[i]);
            }
        }

        System.out.println("  Scalars:");
        // Check the scalars.
        if (bls != bls2) {
            System.out.println("     Bool Scalar mismatch:" + bls + " " + bls2);
        }
        if (bs != bs2) {
            System.out.println("     Byte Scalar mismatch:" + bs + " " + bs2);
        }
        if (cs != cs2) {
            System.out.println("     Char Scalar mismatch:" + (int) cs + " " + (int) cs2);
        }
        if (ss != ss2) {
            System.out.println("     Short Scalar mismatch:" + ss + " " + ss2);
        }
        if (is != is2) {
            System.out.println("     Int Scalar mismatch:" + is + " " + is2);
        }
        if (ls != ls2) {
            System.out.println("     Long Scalar mismatch:" + ls + " " + ls2);
        }
        if (fs != fs2) {
            System.out.println("     Float Scalar mismatch:" + fs + " " + fs2);
        }
        if (ds != ds2) {
            System.out.println("     Double Scalar mismatch:" + ds + " " + ds2);
        }

        System.out.println("  Multi: odd rows should match");
        for (int i = 0; i < 10; i += 1) {
            System.out.println("      " + i + " " + multi[i][i][i][i] + " " + multi2[i][i][i][i]);
        }
        System.out.println("Done BufferedStream Tests");
    }

    public static void bufferedFileTest(String filename, int iter, double[] db, double[] db2,
            float[] fl, float[] fl2, long[] ln, long[] ln2,
            int[] in, int[] in2, short[] sh, short[] sh2,
            char[] ch, char[] ch2, byte[] by, byte[] by2,
            boolean[] bl, boolean[] bl2,
            int[][][][] multi, int[][][][] multi2) throws Exception {


        int dim = db.length;

        double ds = Math.random() - 0.5;
        double ds2;
        float fs = (float) (Math.random() - 0.5);
        float fs2;
        int is = (int) (1000000 * (Math.random() - 500000));
        int is2;
        long ls = (long) (100000000000L * (Math.random() - 50000000000L));
        long ls2;
        short ss = (short) (60000 * (Math.random() - 30000));
        short ss2;
        char cs = (char) (60000 * Math.random());
        char cs2;
        byte bs = (byte) (256 * Math.random() - 128);
        byte bs2;
        boolean bls = (Math.random() > 0.5);
        boolean bls2;

        System.out.println("New libraries: nom.tam.util.BufferedFile");
        System.out.println("               Using array I/O methods.");

        BufferedFile f = new BufferedFile(filename, "rw");

        resetTime();
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(db);
        }
        System.out.println("  BF  Dbl write: " + (8 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(fl);
        }
        System.out.println("  BF  Flt write: " + (4 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(in);
        }
        System.out.println("  BF  Int write: " + (4 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(ln);
        }
        System.out.println("  BF  Lng write: " + (8 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(sh);
        }
        System.out.println("  BF  Sht write: " + (2 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(ch);
        }
        System.out.println("  BF  Chr write: " + (2 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(by);
        }
        System.out.println("  BF  Byt write: " + (1 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.writeArray(bl);
        }
        System.out.println("  BF  Boo write: " + (1 * dim * iter) / (1000 * deltaTime()));

        f.writeByte(bs);
        f.writeChar(cs);
        f.writeShort(ss);
        f.writeInt(is);
        f.writeLong(ls);
        f.writeFloat(fs);
        f.writeDouble(ds);
        f.writeBoolean(bls);

        f.writeArray(multi);
        f.seek(0);


        resetTime();
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(db2);
        }
        System.out.println("  BF  Dbl read:  " + (8 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(fl2);
        }
        System.out.println("  BF  Flt read:  " + (4 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(in2);
        }
        System.out.println("  BF  Int read:  " + (4 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(ln2);
        }
        System.out.println("  BF  Lng read:  " + (8 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(sh2);
        }
        System.out.println("  BF  Sht read:  " + (2 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(ch2);
        }
        System.out.println("  BF  Chr read:  " + (2 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(by2);
        }
        System.out.println("  BF  Byt read:  " + (1 * dim * iter) / (1000 * deltaTime()));
        for (int i = 0; i < iter; i += 1) {
            f.readLArray(bl2);
        }
        System.out.println("  BF  Boo read:  " + (1 * dim * iter) / (1000 * deltaTime()));

        bs2 = f.readByte();
        cs2 = f.readChar();
        ss2 = f.readShort();
        is2 = f.readInt();
        ls2 = f.readLong();
        fs2 = f.readFloat();
        ds2 = f.readDouble();
        bls2 = f.readBoolean();

        // Now read only pieces of the multidimensional array.
        for (int i = 0; i < 5; i += 1) {
            // Skip the odd initial indices and
            // read the evens.
            f.skipBytes(4000);
            f.readLArray(multi2[2 * i + 1]);
        }

        System.out.println("BufferedFile Verification:");
        System.out.println("  An error should be reported for double and float NaN's");
        System.out.println("  Arrays:");

        for (int i = 0; i < dim; i += 1) {

            if (db[i] != db2[i]) {
                System.out.println("     Double error at " + i + " " + db[i] + " " + db2[i]);
            }
            if (fl[i] != fl2[i]) {
                System.out.println("     Float error at " + i + " " + fl[i] + " " + fl2[i]);
            }
            if (in[i] != in2[i]) {
                System.out.println("     Int error at " + i + " " + in[i] + " " + in2[i]);
            }
            if (ln[i] != ln2[i]) {
                System.out.println("     Long error at " + i + " " + ln[i] + " " + ln2[i]);
            }
            if (sh[i] != sh2[i]) {
                System.out.println("     Short error at " + i + " " + sh[i] + " " + sh2[i]);
            }
            if (ch[i] != ch2[i]) {
                System.out.println("     Char error at " + i + " " + (int) ch[i] + " " + (int) ch2[i]);
            }
            if (by[i] != by2[i]) {
                System.out.println("     Byte error at " + i + " " + by[i] + " " + by2[i]);
            }
            if (bl[i] != bl2[i]) {
                System.out.println("     Bool error at " + i + " " + bl[i] + " " + bl2[i]);
            }
        }

        System.out.println("  Scalars:");
        // Check the scalars.
        if (bls != bls2) {
            System.out.println("     Bool Scalar mismatch:" + bls + " " + bls2);
        }
        if (bs != bs2) {
            System.out.println("     Byte Scalar mismatch:" + bs + " " + bs2);
        }
        if (cs != cs2) {
            System.out.println("     Char Scalar mismatch:" + (int) cs + " " + (int) cs2);
        }
        if (ss != ss2) {
            System.out.println("     Short Scalar mismatch:" + ss + " " + ss2);
        }
        if (is != is2) {
            System.out.println("     Int Scalar mismatch:" + is + " " + is2);
        }
        if (ls != ls2) {
            System.out.println("     Long Scalar mismatch:" + ls + " " + ls2);
        }
        if (fs != fs2) {
            System.out.println("     Float Scalar mismatch:" + fs + " " + fs2);
        }
        if (ds != ds2) {
            System.out.println("     Double Scalar mismatch:" + ds + " " + ds2);
        }

        System.out.println("  Multi: odd rows should match");
        for (int i = 0; i < 10; i += 1) {
            System.out.println("      " + i + " " + multi[i][i][i][i] + " " + multi2[i][i][i][i]);
        }
        System.out.println("Done BufferedFile Tests");
    }
    static long lastTime;

    static void resetTime() {
        lastTime = new java.util.Date().getTime();
    }

    static double deltaTime() {
        long time = lastTime;
        lastTime = new java.util.Date().getTime();
        return (lastTime - time) / 1000.;
    }

    @Test
    public void testBufferedFile() throws Exception {

        double[][] td = new double[100][600];
        for (int i = 0; i < 100; i += 1) {
            for (int j = 0; j < 600; j += 1) {
                td[i][j] = i + 2 * j;
            }
        }
        int[][][] ti = new int[5][4][3];
        for (int i = 0; i < 5; i += 1) {
            for (int j = 0; j < 4; j += 1) {
                for (int k = 0; k < 3; k += 1) {
                    ti[i][j][k] = i * j * k;
                }
            }
        }

        float[][] tf = new float[10][];
        for (int i = 0; i < 10; i += 1) {
            tf[i] = new float[i];
            for (int j = 0; j < i; j += 1) {
                tf[i][j] = (float) Math.sin(i * j);
            }
        }

        boolean[] tb = new boolean[100];
        for (int i = 2; i < 100; i += 1) {
            tb[i] = !tb[i - 1];
        }

        short[][] ts = new short[5][5];
        ts[2][2] = 222;

        byte[] tbyte = new byte[1024];
        for (int i = 0; i < tbyte.length; i += 1) {
            tbyte[i] = (byte) i;
        }

        char[] tc = new char[10];
        tc[3] = 'c';

        long[][][] tl0 = new long[1][1][1];
        long[][][] tl1 = new long[1][1][0];

        BufferedFile bf = new BufferedFile("jtest.fil", "rw");

        bf.writeArray(td);
        bf.writeArray(tf);
        bf.writeArray(ti);
        bf.writeArray(ts);
        bf.writeArray(tb);
        bf.writeArray(tbyte);
        bf.writeArray(tc);
        bf.writeArray(tl0);
        bf.writeArray(tl1);
        bf.writeArray(ts);

        bf.close();

        bf = new BufferedFile("jtest.fil", "r");

        boolean thrown = false;

        try {
            bf.writeArray(td);
        } catch (Exception e) {
            thrown = true;
        }
        assertEquals("BufferedFile protections", true, thrown);
        try {
            bf.close();
        } catch (Exception e) {
        }

        bf = new BufferedFile("jtest.fil", "r");

        testArray(bf, "double", td);
        testArray(bf, "float", tf);
        testArray(bf, "int", ti);
        testArray(bf, "short", ts);
        testArray(bf, "bool", tb);
        testArray(bf, "byte", tbyte);
        testArray(bf, "char", tc);
        testArray(bf, "long1", tl0);
        testArray(bf, "longnull", tl1);
        testArray(bf, "short2", ts);
    }

    @Test
    public void testBufferedStreams() throws Exception {

        double[][] td = new double[100][600];
        for (int i = 0; i < 100; i += 1) {
            for (int j = 0; j < 600; j += 1) {
                td[i][j] = i + 2 * j;
            }
        }
        int[][][] ti = new int[5][4][3];
        for (int i = 0; i < 5; i += 1) {
            for (int j = 0; j < 4; j += 1) {
                for (int k = 0; k < 3; k += 1) {
                    ti[i][j][k] = i * j * k;
                }
            }
        }

        float[][] tf = new float[10][];
        for (int i = 0; i < 10; i += 1) {
            tf[i] = new float[i];
            for (int j = 0; j < i; j += 1) {
                tf[i][j] = (float) Math.sin(i * j);
            }
        }

        boolean[] tb = new boolean[100];
        for (int i = 2; i < 100; i += 1) {
            tb[i] = !tb[i - 1];
        }

        short[][] ts = new short[5][5];
        ts[2][2] = 222;

        byte[] tbyte = new byte[1024];
        for (int i = 0; i < tbyte.length; i += 1) {
            tbyte[i] = (byte) i;
        }

        char[] tc = new char[10];
        tc[3] = 'c';

        long[][][] tl0 = new long[1][1][1];
        long[][][] tl1 = new long[1][1][0];

        BufferedDataOutputStream bf = new BufferedDataOutputStream(
                new FileOutputStream("jtest.fil"));

        bf.writeArray(td);
        bf.writeArray(tf);
        bf.writeArray(ti);
        bf.writeArray(ts);
        bf.writeArray(tb);
        bf.writeArray(tbyte);
        bf.writeArray(tc);
        bf.writeArray(tl0);
        bf.writeArray(tl1);
        bf.writeArray(ts);

        bf.close();

        BufferedDataInputStream bi = new BufferedDataInputStream(
                new FileInputStream("jtest.fil"));

        testArray(bi, "sdouble", td);
        testArray(bi, "sfloat", tf);
        testArray(bi, "sint", ti);
        testArray(bi, "sshort", ts);
        testArray(bi, "sbool", tb);
        testArray(bi, "sbyte", tbyte);
        testArray(bi, "schar", tc);
        testArray(bi, "slong1", tl0);
        testArray(bi, "slongnull", tl1);
        testArray(bi, "sshort2", ts);
    }

    void testArray(ArrayDataInput bf, String label, Object array) throws Exception {
        Object newArray = ArrayFuncs.mimicArray(array, ArrayFuncs.getBaseClass(array));
        bf.readLArray(newArray);
        boolean state = ArrayFuncs.arrayEquals(array, newArray);
        assertEquals(label, true, state);
    }
}