test/jdk/java/util/Arrays/ParallelSorting.java
branchaefimov-dns-client-branch
changeset 59099 fcdb8e7ead8f
parent 58984 15e026239a6c
parent 59075 355f4f42dda5
child 59100 b92aac38b046
--- a/test/jdk/java/util/Arrays/ParallelSorting.java	Fri Nov 08 14:54:17 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,2067 +0,0 @@
-/*
- * Copyright (c) 2011, 2013, 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.
- */
-
-/* Adapted from test/java/util/Arrays/Sorting.java
- *
- * Where that test checks Arrays.sort against manual quicksort routines,
- * this test checks parallelSort against either Arrays.sort or manual
- * quicksort routines.
- */
-
-/*
- * @test
- * @bug 8003981
- * @run main ParallelSorting -shortrun
- * @summary Exercise Arrays.parallelSort (adapted from test Sorting)
- *
- * @author Vladimir Yaroslavskiy
- * @author Jon Bentley
- * @author Josh Bloch
- */
-
-import java.util.Arrays;
-import java.util.Random;
-import java.io.PrintStream;
-import java.util.Comparator;
-
-public class ParallelSorting {
-    private static final PrintStream out = System.out;
-    private static final PrintStream err = System.err;
-
-    // Array lengths used in a long run (default)
-    private static final int[] LONG_RUN_LENGTHS = {
-        1000, 10000, 100000, 1000000 };
-
-    // Array lengths used in a short run
-    private static final int[] SHORT_RUN_LENGTHS = {
-        5000, 9000, 10000, 12000 };
-
-    // Random initial values used in a long run (default)
-    private static final long[] LONG_RUN_RANDOMS = { 666, 0xC0FFEE, 999 };
-
-    // Random initial values used in a short run
-    private static final long[] SHORT_RUN_RANDOMS = { 666 };
-
-    public static void main(String[] args) {
-        boolean shortRun = args.length > 0 && args[0].equals("-shortrun");
-        long start = System.currentTimeMillis();
-
-        if (shortRun) {
-            testAndCheck(SHORT_RUN_LENGTHS, SHORT_RUN_RANDOMS);
-        } else {
-            testAndCheck(LONG_RUN_LENGTHS, LONG_RUN_RANDOMS);
-        }
-        long end = System.currentTimeMillis();
-
-        out.format("PASSED in %d sec.\n", Math.round((end - start) / 1E3));
-    }
-
-    private static void testAndCheck(int[] lengths, long[] randoms) {
-        testEmptyAndNullIntArray();
-        testEmptyAndNullLongArray();
-        testEmptyAndNullShortArray();
-        testEmptyAndNullCharArray();
-        testEmptyAndNullByteArray();
-        testEmptyAndNullFloatArray();
-        testEmptyAndNullDoubleArray();
-
-        for (int length : lengths) {
-            testMergeSort(length);
-            testAndCheckRange(length);
-            testAndCheckSubArray(length);
-        }
-        for (long seed : randoms) {
-            for (int length : lengths) {
-                testAndCheckWithInsertionSort(length, new MyRandom(seed));
-                testAndCheckWithCheckSum(length, new MyRandom(seed));
-                testAndCheckWithScrambling(length, new MyRandom(seed));
-                testAndCheckFloat(length, new MyRandom(seed));
-                testAndCheckDouble(length, new MyRandom(seed));
-                testStable(length, new MyRandom(seed));
-            }
-        }
-    }
-
-    private static void testEmptyAndNullIntArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new int[]{});
-        Arrays.parallelSort(new int[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((int[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((int[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(int[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(int[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullLongArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new long[]{});
-        Arrays.parallelSort(new long[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((long[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((long[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(long[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(long[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullShortArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new short[]{});
-        Arrays.parallelSort(new short[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((short[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((short[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(short[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(short[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullCharArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new char[]{});
-        Arrays.parallelSort(new char[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((char[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((char[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(char[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(char[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullByteArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new byte[]{});
-        Arrays.parallelSort(new byte[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((byte[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((byte[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(byte[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(byte[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullFloatArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new float[]{});
-        Arrays.parallelSort(new float[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((float[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((float[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(float[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(float[]) shouldn't catch null array");
-    }
-
-    private static void testEmptyAndNullDoubleArray() {
-        ourDescription = "Check empty and null array";
-        Arrays.parallelSort(new double[]{});
-        Arrays.parallelSort(new double[]{}, 0, 0);
-
-        try {
-            Arrays.parallelSort((double[]) null);
-        } catch (NullPointerException expected) {
-            try {
-                Arrays.parallelSort((double[]) null, 0, 0);
-            } catch (NullPointerException expected2) {
-                return;
-            }
-            failed("Arrays.parallelSort(double[],fromIndex,toIndex) shouldn't " +
-                "catch null array");
-        }
-        failed("Arrays.parallelSort(double[]) shouldn't catch null array");
-    }
-
-    private static void testAndCheckSubArray(int length) {
-        ourDescription = "Check sorting of subarray";
-        int[] golden = new int[length];
-        boolean newLine = false;
-
-        for (int m = 1; m < length / 2; m *= 2) {
-            newLine = true;
-            int fromIndex = m;
-            int toIndex = length - m;
-
-            prepareSubArray(golden, fromIndex, toIndex, m);
-            int[] test = golden.clone();
-
-            for (TypeConverter converter : TypeConverter.values()) {
-                out.println("Test 'subarray': " + converter +
-                   " length = " + length + ", m = " + m);
-                Object convertedGolden = converter.convert(golden);
-                Object convertedTest = converter.convert(test);
-                sortSubArray(convertedTest, fromIndex, toIndex);
-                checkSubArray(convertedTest, fromIndex, toIndex, m);
-            }
-        }
-        if (newLine) {
-            out.println();
-        }
-    }
-
-    private static void testAndCheckRange(int length) {
-        ourDescription = "Check range check";
-        int[] golden = new int[length];
-
-        for (int m = 1; m < 2 * length; m *= 2) {
-            for (int i = 1; i <= length; i++) {
-                golden[i - 1] = i % m + m % i;
-            }
-            for (TypeConverter converter : TypeConverter.values()) {
-                out.println("Test 'range': " + converter +
-                   ", length = " + length + ", m = " + m);
-                Object convertedGolden = converter.convert(golden);
-                checkRange(convertedGolden, m);
-            }
-        }
-        out.println();
-    }
-
-    private static void testStable(int length, MyRandom random) {
-        ourDescription = "Check if sorting is stable";
-        Pair[] a = build(length, random);
-
-        out.println("Test 'stable': " + "random = " + random.getSeed() +
-            ", length = " + length);
-        Arrays.parallelSort(a);
-        checkSorted(a);
-        checkStable(a);
-        out.println();
-
-        a = build(length, random);
-
-        out.println("Test 'stable' comparator: " + "random = " + random.getSeed() +
-            ", length = " + length);
-        Arrays.parallelSort(a, pairCmp);
-        checkSorted(a);
-        checkStable(a);
-        out.println();
-
-    }
-
-    private static void checkSorted(Pair[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i].getKey() > a[i + 1].getKey()) {
-                failedSort(i, "" + a[i].getKey(), "" + a[i + 1].getKey());
-            }
-        }
-    }
-
-    private static void checkStable(Pair[] a) {
-        for (int i = 0; i < a.length / 4; ) {
-            int key1 = a[i].getKey();
-            int value1 = a[i++].getValue();
-            int key2 = a[i].getKey();
-            int value2 = a[i++].getValue();
-            int key3 = a[i].getKey();
-            int value3 = a[i++].getValue();
-            int key4 = a[i].getKey();
-            int value4 = a[i++].getValue();
-
-            if (!(key1 == key2 && key2 == key3 && key3 == key4)) {
-                failed("On position " + i + " keys are different " +
-                    key1 + ", " + key2 + ", " + key3 + ", " + key4);
-            }
-            if (!(value1 < value2 && value2 < value3 && value3 < value4)) {
-                failed("Sorting is not stable at position " + i +
-                    ". Second values have been changed: " +  value1 + ", " +
-                    value2 + ", " + value3 + ", " + value4);
-            }
-        }
-    }
-
-    private static Pair[] build(int length, Random random) {
-        Pair[] a = new Pair[length * 4];
-
-        for (int i = 0; i < a.length; ) {
-            int key = random.nextInt();
-            a[i++] = new Pair(key, 1);
-            a[i++] = new Pair(key, 2);
-            a[i++] = new Pair(key, 3);
-            a[i++] = new Pair(key, 4);
-        }
-        return a;
-    }
-
-    private static Comparator<Pair> pairCmp = new Comparator<Pair>() {
-        public int compare(Pair p1, Pair p2) {
-            return p1.compareTo(p2);
-        }
-    };
-
-    private static final class Pair implements Comparable<Pair> {
-        Pair(int key, int value) {
-            myKey = key;
-            myValue = value;
-        }
-
-        int getKey() {
-            return myKey;
-        }
-
-        int getValue() {
-            return myValue;
-        }
-
-        public int compareTo(Pair pair) {
-            if (myKey < pair.myKey) {
-                return -1;
-            }
-            if (myKey > pair.myKey) {
-                return 1;
-            }
-            return 0;
-        }
-
-        @Override
-        public String toString() {
-            return "(" + myKey + ", " + myValue + ")";
-        }
-
-        private int myKey;
-        private int myValue;
-    }
-
-
-    private static void testAndCheckWithInsertionSort(int length, MyRandom random) {
-        if (length > 1000) {
-            return;
-        }
-        ourDescription = "Check sorting with insertion sort";
-        int[] golden = new int[length];
-
-        for (int m = 1; m < 2 * length; m *= 2) {
-            for (UnsortedBuilder builder : UnsortedBuilder.values()) {
-                builder.build(golden, m, random);
-                int[] test = golden.clone();
-
-                for (TypeConverter converter : TypeConverter.values()) {
-                    out.println("Test 'insertion sort': " + converter +
-                        " " + builder + "random = " + random.getSeed() +
-                        ", length = " + length + ", m = " + m);
-                    Object convertedGolden = converter.convert(golden);
-                    Object convertedTest1 = converter.convert(test);
-                    Object convertedTest2 = converter.convert(test);
-                    sort(convertedTest1);
-                    sortByInsertionSort(convertedTest2);
-                    compare(convertedTest1, convertedTest2);
-                }
-            }
-        }
-        out.println();
-    }
-
-    private static void testMergeSort(int length) {
-        if (length < 1000) {
-            return;
-        }
-        ourDescription = "Check merge sorting";
-        int[] golden = new int[length];
-        int period = 67; // java.util.DualPivotQuicksort.MAX_RUN_COUNT
-
-        for (int m = period - 2; m <= period + 2; m++) {
-            for (MergeBuilder builder : MergeBuilder.values()) {
-                builder.build(golden, m);
-                int[] test = golden.clone();
-
-                for (TypeConverter converter : TypeConverter.values()) {
-                    out.println("Test 'merge sort': " + converter + " " +
-                        builder + "length = " + length + ", m = " + m);
-                    Object convertedGolden = converter.convert(golden);
-                    sort(convertedGolden);
-                    checkSorted(convertedGolden);
-                }
-            }
-        }
-        out.println();
-    }
-
-    private static void testAndCheckWithCheckSum(int length, MyRandom random) {
-        ourDescription = "Check sorting with check sum";
-        int[] golden = new int[length];
-
-        for (int m = 1; m < 2 * length; m *= 2) {
-            for (UnsortedBuilder builder : UnsortedBuilder.values()) {
-                builder.build(golden, m, random);
-                int[] test = golden.clone();
-
-                for (TypeConverter converter : TypeConverter.values()) {
-                    out.println("Test 'check sum': " + converter +
-                        " " + builder + "random = " + random.getSeed() +
-                        ", length = " + length + ", m = " + m);
-                    Object convertedGolden = converter.convert(golden);
-                    Object convertedTest = converter.convert(test);
-                    sort(convertedTest);
-                    checkWithCheckSum(convertedTest, convertedGolden);
-                }
-            }
-        }
-        out.println();
-    }
-
-    private static void testAndCheckWithScrambling(int length, MyRandom random) {
-        ourDescription = "Check sorting with scrambling";
-        int[] golden = new int[length];
-
-        for (int m = 1; m <= 7; m++) {
-            if (m > length) {
-                break;
-            }
-            for (SortedBuilder builder : SortedBuilder.values()) {
-                builder.build(golden, m);
-                int[] test = golden.clone();
-                scramble(test, random);
-
-                for (TypeConverter converter : TypeConverter.values()) {
-                    out.println("Test 'scrambling': " + converter +
-                       " " + builder + "random = " + random.getSeed() +
-                       ", length = " + length + ", m = " + m);
-                    Object convertedGolden = converter.convert(golden);
-                    Object convertedTest = converter.convert(test);
-                    sort(convertedTest);
-                    compare(convertedTest, convertedGolden);
-                }
-            }
-        }
-        out.println();
-    }
-
-    private static void testAndCheckFloat(int length, MyRandom random) {
-        ourDescription = "Check float sorting";
-        float[] golden = new float[length];
-        final int MAX = 10;
-        boolean newLine = false;
-
-        for (int a = 0; a <= MAX; a++) {
-            for (int g = 0; g <= MAX; g++) {
-                for (int z = 0; z <= MAX; z++) {
-                    for (int n = 0; n <= MAX; n++) {
-                        for (int p = 0; p <= MAX; p++) {
-                            if (a + g + z + n + p > length) {
-                                continue;
-                            }
-                            if (a + g + z + n + p < length) {
-                                continue;
-                            }
-                            for (FloatBuilder builder : FloatBuilder.values()) {
-                                out.println("Test 'float': random = " + random.getSeed() +
-                                   ", length = " + length + ", a = " + a + ", g = " +
-                                   g + ", z = " + z + ", n = " + n + ", p = " + p);
-                                builder.build(golden, a, g, z, n, p, random);
-                                float[] test = golden.clone();
-                                scramble(test, random);
-                                sort(test);
-                                compare(test, golden, a, n, g);
-                            }
-                            newLine = true;
-                        }
-                    }
-                }
-            }
-        }
-        if (newLine) {
-            out.println();
-        }
-    }
-
-    private static void testAndCheckDouble(int length, MyRandom random) {
-        ourDescription = "Check double sorting";
-        double[] golden = new double[length];
-        final int MAX = 10;
-        boolean newLine = false;
-
-        for (int a = 0; a <= MAX; a++) {
-            for (int g = 0; g <= MAX; g++) {
-                for (int z = 0; z <= MAX; z++) {
-                    for (int n = 0; n <= MAX; n++) {
-                        for (int p = 0; p <= MAX; p++) {
-                            if (a + g + z + n + p > length) {
-                                continue;
-                            }
-                            if (a + g + z + n + p < length) {
-                                continue;
-                            }
-                            for (DoubleBuilder builder : DoubleBuilder.values()) {
-                                out.println("Test 'double': random = " + random.getSeed() +
-                                   ", length = " + length + ", a = " + a + ", g = " +
-                                   g + ", z = " + z + ", n = " + n + ", p = " + p);
-                                builder.build(golden, a, g, z, n, p, random);
-                                double[] test = golden.clone();
-                                scramble(test, random);
-                                sort(test);
-                                compare(test, golden, a, n, g);
-                            }
-                            newLine = true;
-                        }
-                    }
-                }
-            }
-        }
-        if (newLine) {
-            out.println();
-        }
-    }
-
-    private static void prepareSubArray(int[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            a[i] = 0xDEDA;
-        }
-        int middle = (fromIndex + toIndex) >>> 1;
-        int k = 0;
-
-        for (int i = fromIndex; i < middle; i++) {
-            a[i] = k++;
-        }
-        for (int i = middle; i < toIndex; i++) {
-            a[i] = k--;
-        }
-        for (int i = toIndex; i < a.length; i++) {
-            a[i] = 0xBABA;
-        }
-    }
-
-    private static void scramble(int[] a, Random random) {
-        for (int i = 0; i < a.length * 7; i++) {
-            swap(a, random.nextInt(a.length), random.nextInt(a.length));
-        }
-    }
-
-    private static void scramble(float[] a, Random random) {
-        for (int i = 0; i < a.length * 7; i++) {
-            swap(a, random.nextInt(a.length), random.nextInt(a.length));
-        }
-    }
-
-    private static void scramble(double[] a, Random random) {
-        for (int i = 0; i < a.length * 7; i++) {
-            swap(a, random.nextInt(a.length), random.nextInt(a.length));
-        }
-    }
-
-    private static void swap(int[] a, int i, int j) {
-        int t = a[i];
-        a[i] = a[j];
-        a[j] = t;
-    }
-
-    private static void swap(float[] a, int i, int j) {
-        float t = a[i];
-        a[i] = a[j];
-        a[j] = t;
-    }
-
-    private static void swap(double[] a, int i, int j) {
-        double t = a[i];
-        a[i] = a[j];
-        a[j] = t;
-    }
-
-    private static enum TypeConverter {
-        INT {
-            Object convert(int[] a) {
-                return a.clone();
-            }
-        },
-        LONG {
-            Object convert(int[] a) {
-                long[] b = new long[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (long) a[i];
-                }
-                return b;
-            }
-        },
-        BYTE {
-            Object convert(int[] a) {
-                byte[] b = new byte[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (byte) a[i];
-                }
-                return b;
-            }
-        },
-        SHORT {
-            Object convert(int[] a) {
-                short[] b = new short[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (short) a[i];
-                }
-                return b;
-            }
-        },
-        CHAR {
-            Object convert(int[] a) {
-                char[] b = new char[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (char) a[i];
-                }
-                return b;
-            }
-        },
-        FLOAT {
-            Object convert(int[] a) {
-                float[] b = new float[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (float) a[i];
-                }
-                return b;
-            }
-        },
-        DOUBLE {
-            Object convert(int[] a) {
-                double[] b = new double[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = (double) a[i];
-                }
-                return b;
-            }
-        },
-        INTEGER {
-            Object convert(int[] a) {
-                Integer[] b = new Integer[a.length];
-
-                for (int i = 0; i < a.length; i++) {
-                    b[i] = new Integer(a[i]);
-                }
-                return b;
-            }
-        };
-
-        abstract Object convert(int[] a);
-
-        @Override public String toString() {
-            String name = name();
-
-            for (int i = name.length(); i < 9; i++) {
-                name += " ";
-            }
-            return name;
-        }
-    }
-
-    private static enum FloatBuilder {
-        SIMPLE {
-            void build(float[] x, int a, int g, int z, int n, int p, Random random) {
-                int fromIndex = 0;
-                float negativeValue = -random.nextFloat();
-                float positiveValue =  random.nextFloat();
-
-                writeValue(x, negativeValue, fromIndex, n);
-                fromIndex += n;
-
-                writeValue(x, -0.0f, fromIndex, g);
-                fromIndex += g;
-
-                writeValue(x, 0.0f, fromIndex, z);
-                fromIndex += z;
-
-                writeValue(x, positiveValue, fromIndex, p);
-                fromIndex += p;
-
-                writeValue(x, Float.NaN, fromIndex, a);
-            }
-        };
-
-        abstract void build(float[] x, int a, int g, int z, int n, int p, Random random);
-    }
-
-    private static enum DoubleBuilder {
-        SIMPLE {
-            void build(double[] x, int a, int g, int z, int n, int p, Random random) {
-                int fromIndex = 0;
-                double negativeValue = -random.nextFloat();
-                double positiveValue =  random.nextFloat();
-
-                writeValue(x, negativeValue, fromIndex, n);
-                fromIndex += n;
-
-                writeValue(x, -0.0d, fromIndex, g);
-                fromIndex += g;
-
-                writeValue(x, 0.0d, fromIndex, z);
-                fromIndex += z;
-
-                writeValue(x, positiveValue, fromIndex, p);
-                fromIndex += p;
-
-                writeValue(x, Double.NaN, fromIndex, a);
-            }
-        };
-
-        abstract void build(double[] x, int a, int g, int z, int n, int p, Random random);
-    }
-
-    private static void writeValue(float[] a, float value, int fromIndex, int count) {
-        for (int i = fromIndex; i < fromIndex + count; i++) {
-            a[i] = value;
-        }
-    }
-
-    private static void compare(float[] a, float[] b, int numNaN, int numNeg, int numNegZero) {
-        for (int i = a.length - numNaN; i < a.length; i++) {
-            if (a[i] == a[i]) {
-                failed("On position " + i + " must be NaN instead of " + a[i]);
-            }
-        }
-        final int NEGATIVE_ZERO = Float.floatToIntBits(-0.0f);
-
-        for (int i = numNeg; i < numNeg + numNegZero; i++) {
-            if (NEGATIVE_ZERO != Float.floatToIntBits(a[i])) {
-                failed("On position " + i + " must be -0.0 instead of " + a[i]);
-            }
-        }
-        for (int i = 0; i < a.length - numNaN; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void writeValue(double[] a, double value, int fromIndex, int count) {
-        for (int i = fromIndex; i < fromIndex + count; i++) {
-            a[i] = value;
-        }
-    }
-
-    private static void compare(double[] a, double[] b, int numNaN, int numNeg, int numNegZero) {
-        for (int i = a.length - numNaN; i < a.length; i++) {
-            if (a[i] == a[i]) {
-                failed("On position " + i + " must be NaN instead of " + a[i]);
-            }
-        }
-        final long NEGATIVE_ZERO = Double.doubleToLongBits(-0.0d);
-
-        for (int i = numNeg; i < numNeg + numNegZero; i++) {
-            if (NEGATIVE_ZERO != Double.doubleToLongBits(a[i])) {
-                failed("On position " + i + " must be -0.0 instead of " + a[i]);
-            }
-        }
-        for (int i = 0; i < a.length - numNaN; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static enum SortedBuilder {
-        REPEATED {
-            void build(int[] a, int m) {
-                int period = a.length / m;
-                int i = 0;
-                int k = 0;
-
-                while (true) {
-                    for (int t = 1; t <= period; t++) {
-                        if (i >= a.length) {
-                            return;
-                        }
-                        a[i++] = k;
-                    }
-                    if (i >= a.length) {
-                        return;
-                    }
-                    k++;
-                }
-            }
-        },
-        ORGAN_PIPES {
-            void build(int[] a, int m) {
-                int i = 0;
-                int k = m;
-
-                while (true) {
-                    for (int t = 1; t <= m; t++) {
-                        if (i >= a.length) {
-                            return;
-                        }
-                        a[i++] = k;
-                    }
-                }
-            }
-        };
-
-        abstract void build(int[] a, int m);
-
-        @Override public String toString() {
-            String name = name();
-
-            for (int i = name.length(); i < 12; i++) {
-                name += " ";
-            }
-            return name;
-        }
-    }
-
-    private static enum MergeBuilder {
-        ASCENDING {
-            void build(int[] a, int m) {
-                int period = a.length / m;
-                int v = 1, i = 0;
-
-                for (int k = 0; k < m; k++) {
-                    v = 1;
-                    for (int p = 0; p < period; p++) {
-                        a[i++] = v++;
-                    }
-                }
-                for (int j = i; j < a.length - 1; j++) {
-                    a[j] = v++;
-                }
-                a[a.length - 1] = 0;
-            }
-        },
-        DESCENDING {
-            void build(int[] a, int m) {
-                int period = a.length / m;
-                int v = -1, i = 0;
-
-                for (int k = 0; k < m; k++) {
-                    v = -1;
-                    for (int p = 0; p < period; p++) {
-                        a[i++] = v--;
-                    }
-                }
-                for (int j = i; j < a.length - 1; j++) {
-                    a[j] = v--;
-                }
-                a[a.length - 1] = 0;
-            }
-        };
-
-        abstract void build(int[] a, int m);
-
-        @Override public String toString() {
-            String name = name();
-
-            for (int i = name.length(); i < 12; i++) {
-                name += " ";
-            }
-            return name;
-        }
-    }
-
-    private static enum UnsortedBuilder {
-        RANDOM {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = random.nextInt();
-                }
-            }
-        },
-        ASCENDING {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = m + i;
-                }
-            }
-        },
-        DESCENDING {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = a.length - m - i;
-                }
-            }
-        },
-        ALL_EQUAL {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = m;
-                }
-            }
-        },
-        SAW {
-            void build(int[] a, int m, Random random) {
-                int incCount = 1;
-                int decCount = a.length;
-                int i = 0;
-                int period = m--;
-
-                while (true) {
-                    for (int k = 1; k <= period; k++) {
-                        if (i >= a.length) {
-                            return;
-                        }
-                        a[i++] = incCount++;
-                    }
-                    period += m;
-
-                    for (int k = 1; k <= period; k++) {
-                        if (i >= a.length) {
-                            return;
-                        }
-                        a[i++] = decCount--;
-                    }
-                    period += m;
-                }
-            }
-        },
-        REPEATED {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = i % m;
-                }
-            }
-        },
-        DUPLICATED {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = random.nextInt(m);
-                }
-            }
-        },
-        ORGAN_PIPES {
-            void build(int[] a, int m, Random random) {
-                int middle = a.length / (m + 1);
-
-                for (int i = 0; i < middle; i++) {
-                    a[i] = i;
-                }
-                for (int i = middle; i < a.length; i++) {
-                    a[i] = a.length - i - 1;
-                }
-            }
-        },
-        STAGGER {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = (i * m + i) % a.length;
-                }
-            }
-        },
-        PLATEAU {
-            void build(int[] a, int m, Random random) {
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = Math.min(i, m);
-                }
-            }
-        },
-        SHUFFLE {
-            void build(int[] a, int m, Random random) {
-                int x = 0, y = 0;
-                for (int i = 0; i < a.length; i++) {
-                    a[i] = random.nextBoolean() ? (x += 2) : (y += 2);
-                }
-            }
-        };
-
-        abstract void build(int[] a, int m, Random random);
-
-        @Override public String toString() {
-            String name = name();
-
-            for (int i = name.length(); i < 12; i++) {
-                name += " ";
-            }
-            return name;
-        }
-    }
-
-    private static void checkWithCheckSum(Object test, Object golden) {
-        checkSorted(test);
-        checkCheckSum(test, golden);
-    }
-
-    private static void failed(String message) {
-        err.format("\n*** TEST FAILED - %s.\n\n%s.\n\n", ourDescription, message);
-        throw new RuntimeException("Test failed - see log file for details");
-    }
-
-    private static void failedSort(int index, String value1, String value2) {
-        failed("Array is not sorted at " + index + "-th position: " +
-            value1 + " and " + value2);
-    }
-
-    private static void failedCompare(int index, String value1, String value2) {
-        failed("On position " + index + " must be " + value2 + " instead of " + value1);
-    }
-
-    private static void compare(Object test, Object golden) {
-        if (test instanceof int[]) {
-            compare((int[]) test, (int[]) golden);
-        } else if (test instanceof long[]) {
-            compare((long[]) test, (long[]) golden);
-        } else if (test instanceof short[]) {
-            compare((short[]) test, (short[]) golden);
-        } else if (test instanceof byte[]) {
-            compare((byte[]) test, (byte[]) golden);
-        } else if (test instanceof char[]) {
-            compare((char[]) test, (char[]) golden);
-        } else if (test instanceof float[]) {
-            compare((float[]) test, (float[]) golden);
-        } else if (test instanceof double[]) {
-            compare((double[]) test, (double[]) golden);
-        } else if (test instanceof Integer[]) {
-            compare((Integer[]) test, (Integer[]) golden);
-        } else {
-            failed("Unknow type of array: " + test + " of class " +
-                test.getClass().getName());
-        }
-    }
-
-    private static void compare(int[] a, int[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(long[] a, long[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(short[] a, short[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(byte[] a, byte[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(char[] a, char[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(float[] a, float[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(double[] a, double[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i] != b[i]) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void compare(Integer[] a, Integer[] b) {
-        for (int i = 0; i < a.length; i++) {
-            if (a[i].compareTo(b[i]) != 0) {
-                failedCompare(i, "" + a[i], "" + b[i]);
-            }
-        }
-    }
-
-    private static void checkSorted(Object object) {
-        if (object instanceof int[]) {
-            checkSorted((int[]) object);
-        } else if (object instanceof long[]) {
-            checkSorted((long[]) object);
-        } else if (object instanceof short[]) {
-            checkSorted((short[]) object);
-        } else if (object instanceof byte[]) {
-            checkSorted((byte[]) object);
-        } else if (object instanceof char[]) {
-            checkSorted((char[]) object);
-        } else if (object instanceof float[]) {
-            checkSorted((float[]) object);
-        } else if (object instanceof double[]) {
-            checkSorted((double[]) object);
-        } else if (object instanceof Integer[]) {
-            checkSorted((Integer[]) object);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void checkSorted(int[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(long[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(short[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(byte[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(char[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(float[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(double[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkSorted(Integer[] a) {
-        for (int i = 0; i < a.length - 1; i++) {
-            if (a[i].intValue() > a[i + 1].intValue()) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-    }
-
-    private static void checkCheckSum(Object test, Object golden) {
-        if (checkSumXor(test) != checkSumXor(golden)) {
-            failed("Original and sorted arrays are not identical [xor]");
-        }
-        if (checkSumPlus(test) != checkSumPlus(golden)) {
-            failed("Original and sorted arrays are not identical [plus]");
-        }
-    }
-
-    private static int checkSumXor(Object object) {
-        if (object instanceof int[]) {
-            return checkSumXor((int[]) object);
-        } else if (object instanceof long[]) {
-            return checkSumXor((long[]) object);
-        } else if (object instanceof short[]) {
-            return checkSumXor((short[]) object);
-        } else if (object instanceof byte[]) {
-            return checkSumXor((byte[]) object);
-        } else if (object instanceof char[]) {
-            return checkSumXor((char[]) object);
-        } else if (object instanceof float[]) {
-            return checkSumXor((float[]) object);
-        } else if (object instanceof double[]) {
-            return checkSumXor((double[]) object);
-        } else if (object instanceof Integer[]) {
-            return checkSumXor((Integer[]) object);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-            return -1;
-        }
-    }
-
-    private static int checkSumXor(Integer[] a) {
-        int checkSum = 0;
-
-        for (Integer e : a) {
-            checkSum ^= e.intValue();
-        }
-        return checkSum;
-    }
-
-    private static int checkSumXor(int[] a) {
-        int checkSum = 0;
-
-        for (int e : a) {
-            checkSum ^= e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumXor(long[] a) {
-        long checkSum = 0;
-
-        for (long e : a) {
-            checkSum ^= e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumXor(short[] a) {
-        short checkSum = 0;
-
-        for (short e : a) {
-            checkSum ^= e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumXor(byte[] a) {
-        byte checkSum = 0;
-
-        for (byte e : a) {
-            checkSum ^= e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumXor(char[] a) {
-        char checkSum = 0;
-
-        for (char e : a) {
-            checkSum ^= e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumXor(float[] a) {
-        int checkSum = 0;
-
-        for (float e : a) {
-            checkSum ^= (int) e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumXor(double[] a) {
-        int checkSum = 0;
-
-        for (double e : a) {
-            checkSum ^= (int) e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumPlus(Object object) {
-        if (object instanceof int[]) {
-            return checkSumPlus((int[]) object);
-        } else if (object instanceof long[]) {
-            return checkSumPlus((long[]) object);
-        } else if (object instanceof short[]) {
-            return checkSumPlus((short[]) object);
-        } else if (object instanceof byte[]) {
-            return checkSumPlus((byte[]) object);
-        } else if (object instanceof char[]) {
-            return checkSumPlus((char[]) object);
-        } else if (object instanceof float[]) {
-            return checkSumPlus((float[]) object);
-        } else if (object instanceof double[]) {
-            return checkSumPlus((double[]) object);
-        } else if (object instanceof Integer[]) {
-            return checkSumPlus((Integer[]) object);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-            return -1;
-        }
-    }
-
-    private static int checkSumPlus(int[] a) {
-        int checkSum = 0;
-
-        for (int e : a) {
-            checkSum += e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumPlus(long[] a) {
-        long checkSum = 0;
-
-        for (long e : a) {
-            checkSum += e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumPlus(short[] a) {
-        short checkSum = 0;
-
-        for (short e : a) {
-            checkSum += e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumPlus(byte[] a) {
-        byte checkSum = 0;
-
-        for (byte e : a) {
-            checkSum += e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumPlus(char[] a) {
-        char checkSum = 0;
-
-        for (char e : a) {
-            checkSum += e;
-        }
-        return (int) checkSum;
-    }
-
-    private static int checkSumPlus(float[] a) {
-        int checkSum = 0;
-
-        for (float e : a) {
-            checkSum += (int) e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumPlus(double[] a) {
-        int checkSum = 0;
-
-        for (double e : a) {
-            checkSum += (int) e;
-        }
-        return checkSum;
-    }
-
-    private static int checkSumPlus(Integer[] a) {
-        int checkSum = 0;
-
-        for (Integer e : a) {
-            checkSum += e.intValue();
-        }
-        return checkSum;
-    }
-
-    private static void sortByInsertionSort(Object object) {
-        if (object instanceof int[]) {
-            sortByInsertionSort((int[]) object);
-        } else if (object instanceof long[]) {
-            sortByInsertionSort((long[]) object);
-        } else if (object instanceof short[]) {
-            sortByInsertionSort((short[]) object);
-        } else if (object instanceof byte[]) {
-            sortByInsertionSort((byte[]) object);
-        } else if (object instanceof char[]) {
-            sortByInsertionSort((char[]) object);
-        } else if (object instanceof float[]) {
-            sortByInsertionSort((float[]) object);
-        } else if (object instanceof double[]) {
-            sortByInsertionSort((double[]) object);
-        } else if (object instanceof Integer[]) {
-            sortByInsertionSort((Integer[]) object);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void sortByInsertionSort(int[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            int ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(long[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            long ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(short[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            short ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(byte[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            byte ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(char[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            char ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(float[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            float ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(double[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            double ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sortByInsertionSort(Integer[] a) {
-        for (int j, i = 1; i < a.length; i++) {
-            Integer ai = a[i];
-            for (j = i - 1; j >= 0 && ai < a[j]; j--) {
-                a[j + 1] = a[j];
-            }
-            a[j + 1] = ai;
-        }
-    }
-
-    private static void sort(Object object) {
-        if (object instanceof int[]) {
-            Arrays.parallelSort((int[]) object);
-        } else if (object instanceof long[]) {
-            Arrays.parallelSort((long[]) object);
-        } else if (object instanceof short[]) {
-            Arrays.parallelSort((short[]) object);
-        } else if (object instanceof byte[]) {
-            Arrays.parallelSort((byte[]) object);
-        } else if (object instanceof char[]) {
-            Arrays.parallelSort((char[]) object);
-        } else if (object instanceof float[]) {
-            Arrays.parallelSort((float[]) object);
-        } else if (object instanceof double[]) {
-            Arrays.parallelSort((double[]) object);
-        } else if (object instanceof Integer[]) {
-            Arrays.parallelSort((Integer[]) object);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void sortSubArray(Object object, int fromIndex, int toIndex) {
-        if (object instanceof int[]) {
-            Arrays.parallelSort((int[]) object, fromIndex, toIndex);
-        } else if (object instanceof long[]) {
-            Arrays.parallelSort((long[]) object, fromIndex, toIndex);
-        } else if (object instanceof short[]) {
-            Arrays.parallelSort((short[]) object, fromIndex, toIndex);
-        } else if (object instanceof byte[]) {
-            Arrays.parallelSort((byte[]) object, fromIndex, toIndex);
-        } else if (object instanceof char[]) {
-            Arrays.parallelSort((char[]) object, fromIndex, toIndex);
-        } else if (object instanceof float[]) {
-            Arrays.parallelSort((float[]) object, fromIndex, toIndex);
-        } else if (object instanceof double[]) {
-            Arrays.parallelSort((double[]) object, fromIndex, toIndex);
-        } else if (object instanceof Integer[]) {
-            Arrays.parallelSort((Integer[]) object, fromIndex, toIndex);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void checkSubArray(Object object, int fromIndex, int toIndex, int m) {
-        if (object instanceof int[]) {
-            checkSubArray((int[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof long[]) {
-            checkSubArray((long[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof short[]) {
-            checkSubArray((short[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof byte[]) {
-            checkSubArray((byte[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof char[]) {
-            checkSubArray((char[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof float[]) {
-            checkSubArray((float[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof double[]) {
-            checkSubArray((double[]) object, fromIndex, toIndex, m);
-        } else if (object instanceof Integer[]) {
-            checkSubArray((Integer[]) object, fromIndex, toIndex, m);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void checkSubArray(Integer[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i].intValue() != 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i].intValue() > a[i + 1].intValue()) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i].intValue() != 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(int[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(byte[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (byte) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (byte) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(long[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (long) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (long) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(char[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (char) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (char) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(short[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (short) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (short) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(float[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (float) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (float) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkSubArray(double[] a, int fromIndex, int toIndex, int m) {
-        for (int i = 0; i < fromIndex; i++) {
-            if (a[i] != (double) 0xDEDA) {
-                failed("Range sort changes left element on position " + i +
-                    ": " + a[i] + ", must be " + 0xDEDA);
-            }
-        }
-
-        for (int i = fromIndex; i < toIndex - 1; i++) {
-            if (a[i] > a[i + 1]) {
-                failedSort(i, "" + a[i], "" + a[i + 1]);
-            }
-        }
-
-        for (int i = toIndex; i < a.length; i++) {
-            if (a[i] != (double) 0xBABA) {
-                failed("Range sort changes right element on position " + i +
-                    ": " + a[i] + ", must be " + 0xBABA);
-            }
-        }
-    }
-
-    private static void checkRange(Object object, int m) {
-        if (object instanceof int[]) {
-            checkRange((int[]) object, m);
-        } else if (object instanceof long[]) {
-            checkRange((long[]) object, m);
-        } else if (object instanceof short[]) {
-            checkRange((short[]) object, m);
-        } else if (object instanceof byte[]) {
-            checkRange((byte[]) object, m);
-        } else if (object instanceof char[]) {
-            checkRange((char[]) object, m);
-        } else if (object instanceof float[]) {
-            checkRange((float[]) object, m);
-        } else if (object instanceof double[]) {
-            checkRange((double[]) object, m);
-        } else if (object instanceof Integer[]) {
-            checkRange((Integer[]) object, m);
-        } else {
-            failed("Unknow type of array: " + object + " of class " +
-                object.getClass().getName());
-        }
-    }
-
-    private static void checkRange(Integer[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(int[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(long[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(byte[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(short[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(char[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(float[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void checkRange(double[] a, int m) {
-        try {
-            Arrays.parallelSort(a, m + 1, m);
-
-            failed("ParallelSort does not throw IllegalArgumentException " +
-                " as expected: fromIndex = " + (m + 1) +
-                " toIndex = " + m);
-        }
-        catch (IllegalArgumentException iae) {
-            try {
-                Arrays.parallelSort(a, -m, a.length);
-
-                failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                    " as expected: fromIndex = " + (-m));
-            }
-            catch (ArrayIndexOutOfBoundsException aoe) {
-                try {
-                    Arrays.parallelSort(a, 0, a.length + m);
-
-                    failed("ParallelSort does not throw ArrayIndexOutOfBoundsException " +
-                        " as expected: toIndex = " + (a.length + m));
-                }
-                catch (ArrayIndexOutOfBoundsException aie) {
-                    return;
-                }
-            }
-        }
-    }
-
-    private static void outArray(Object[] a) {
-        for (int i = 0; i < a.length; i++) {
-            out.print(a[i] + " ");
-        }
-        out.println();
-    }
-
-    private static void outArray(int[] a) {
-        for (int i = 0; i < a.length; i++) {
-            out.print(a[i] + " ");
-        }
-        out.println();
-    }
-
-    private static void outArray(float[] a) {
-        for (int i = 0; i < a.length; i++) {
-            out.print(a[i] + " ");
-        }
-        out.println();
-    }
-
-    private static void outArray(double[] a) {
-        for (int i = 0; i < a.length; i++) {
-            out.print(a[i] + " ");
-        }
-        out.println();
-    }
-
-    private static class MyRandom extends Random {
-        MyRandom(long seed) {
-            super(seed);
-            mySeed = seed;
-        }
-
-        long getSeed() {
-            return mySeed;
-        }
-
-        private long mySeed;
-    }
-
-    private static String ourDescription;
-}