< prev index next >

test/jdk/java/util/Arrays/Sorting.java

Print this page

        

*** 1,16 **** /* ! * Copyright (c) 2009, 2011, 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, --- 1,16 ---- /* ! * Copyright (c) 2009, 2019, 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,
*** 21,296 **** * questions. */ /* * @test ! * @bug 6880672 6896573 6899694 6976036 7013585 7018258 ! * @summary Exercise Arrays.sort * @build Sorting * @run main Sorting -shortrun * * @author Vladimir Yaroslavskiy * @author Jon Bentley * @author Josh Bloch */ import java.util.Arrays; import java.util.Random; ! import java.io.PrintStream; public class Sorting { 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 = { ! 1, 2, 3, 5, 8, 13, 21, 34, 55, 100, 1000, 10000, 100000, 1000000 }; // Array lengths used in a short run private static final int[] SHORT_RUN_LENGTHS = { ! 1, 2, 3, 21, 55, 1000, 10000 }; // 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.sort(new int[] {}); ! Arrays.sort(new int[] {}, 0, 0); try { ! Arrays.sort((int[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((int[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(int[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(int[]) shouldn't catch null array"); } private static void testEmptyAndNullLongArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new long[] {}); ! Arrays.sort(new long[] {}, 0, 0); try { ! Arrays.sort((long[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((long[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(long[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(long[]) shouldn't catch null array"); } ! private static void testEmptyAndNullShortArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new short[] {}); ! Arrays.sort(new short[] {}, 0, 0); try { ! Arrays.sort((short[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((short[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(short[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(short[]) shouldn't catch null array"); } private static void testEmptyAndNullCharArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new char[] {}); ! Arrays.sort(new char[] {}, 0, 0); try { ! Arrays.sort((char[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((char[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(char[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(char[]) shouldn't catch null array"); } ! private static void testEmptyAndNullByteArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new byte[] {}); ! Arrays.sort(new byte[] {}, 0, 0); try { ! Arrays.sort((byte[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((byte[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(byte[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(byte[]) shouldn't catch null array"); } private static void testEmptyAndNullFloatArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new float[] {}); ! Arrays.sort(new float[] {}, 0, 0); try { ! Arrays.sort((float[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((float[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(float[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(float[]) shouldn't catch null array"); } private static void testEmptyAndNullDoubleArray() { ! ourDescription = "Check empty and null array"; ! Arrays.sort(new double[] {}); ! Arrays.sort(new double[] {}, 0, 0); try { ! Arrays.sort((double[]) null); } catch (NullPointerException expected) { try { ! Arrays.sort((double[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! failed("Arrays.sort(double[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! failed("Arrays.sort(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.sort(a); - 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) { --- 21,371 ---- * questions. */ /* * @test ! * @compile/module=java.base java/util/SortingHelper.java ! * @bug 6880672 6896573 6899694 6976036 7013585 7018258 8003981 8226297 * @build Sorting * @run main Sorting -shortrun + * @summary Exercise Arrays.sort, Arrays.parallelSort * * @author Vladimir Yaroslavskiy * @author Jon Bentley * @author Josh Bloch */ + import java.io.PrintStream; import java.util.Arrays; + import java.util.Comparator; import java.util.Random; ! import java.util.SortingHelper; public class Sorting { + 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 = { ! 1, 2, 3, 5, 8, 13, 21, 34, 55, 88, 100, 1000, 10000, 100000, 1000000 }; // Array lengths used in a short run private static final int[] SHORT_RUN_LENGTHS = { ! 1, 2, 3, 21, 55, 1000, 10000, 17000 }; // Random initial values used in a long run (default) ! private static final long[] LONG_RUN_RANDOMS = { 0xBABA, 0xDEDA, 0xC0FFEE }; // Random initial values used in a short run ! private static final long[] SHORT_RUN_RANDOMS = { 0xC0FFEE }; ! ! // Constants used in subarray sorting ! private static final int A380 = 0xA380; ! private static final int B747 = 0xB747; ! ! private static SortingHelper sortingHelper; ! private static String name; public static void main(String[] args) { boolean shortRun = args.length > 0 && args[0].equals("-shortrun"); long start = System.currentTimeMillis(); + // Check Dual-Pivot Quicksort + sortingHelper = SortingHelper.getDualPivotQuicksortHelper(); + if (shortRun) { ! testQuicksort(SHORT_RUN_LENGTHS, SHORT_RUN_RANDOMS); } else { ! testQuicksort(LONG_RUN_LENGTHS, LONG_RUN_RANDOMS); ! } ! ! // Check Parallel sort ! sortingHelper = SortingHelper.getParallelSortHelper(); ! ! if (shortRun) { ! testQuicksort(SHORT_RUN_LENGTHS, SHORT_RUN_RANDOMS); ! } else { ! testQuicksort(LONG_RUN_LENGTHS, LONG_RUN_RANDOMS); } ! // Check Heap sort ! sortingHelper = SortingHelper.getHeapSortHelper(); ! testHeapSort(shortRun ? SHORT_RUN_RANDOMS : LONG_RUN_RANDOMS); ! ! // Check Object sort ! if (shortRun) { ! testObject(SHORT_RUN_LENGTHS, SHORT_RUN_RANDOMS); ! } else { ! testObject(LONG_RUN_LENGTHS, LONG_RUN_RANDOMS); ! } ! ! long end = System.currentTimeMillis(); ! out.format("\nPASSED in %d sec.\n", (end - start) / 1000); } ! private static void testQuicksort(int[] lengths, long[] randoms) { testEmptyAndNullIntArray(); testEmptyAndNullLongArray(); testEmptyAndNullByteArray(); + testEmptyAndNullCharArray(); + testEmptyAndNullShortArray(); testEmptyAndNullFloatArray(); testEmptyAndNullDoubleArray(); for (int length : lengths) { ! testMergingSort(length); testAndCheckRange(length); testAndCheckSubArray(length); } ! ! for (long random : randoms) { for (int length : lengths) { ! testAndCheckWithInsertionSort(length, new TestRandom(random)); ! testAndCheckWithCheckSum(length, new TestRandom(random)); ! testAndCheckWithScrambling(length, new TestRandom(random)); ! testFloatNegativeZero(length, new TestRandom(random)); ! testAndCheckFloat(length, new TestRandom(random)); ! testDoubleNegativeZero(length, new TestRandom(random)); ! testAndCheckDouble(length, new TestRandom(random)); } } } + private static void testHeapSort(long[] randoms) { + for (long random : randoms) { + for (int length : SHORT_RUN_LENGTHS) { + testAndCheckWithCheckSum(length, new TestRandom(random)); + testAndCheckWithScrambling(length, new TestRandom(random)); + } + } + } + + private static void testObject(int[] lengths, long[] randoms) { + for (long random : randoms) { + for (int length : lengths) { + testObject(length, new TestRandom(random)); + testParallelObject(length, new TestRandom(random)); + } + } + } + + private static void testObject(int length, TestRandom random) { + name = "sorting is stable"; + Pair[] a = build(length, random); + out.println("[Object Sorting] 'stable' random = " + + random.getSeed() + ", length = " + length); + Arrays.sort(a); + checkSorted(a); + checkStable(a); + + a = build(length, random); + out.println("[Object Sorting] 'comparator' " + + " random = " + random.getSeed() + ", length = " + length); + Arrays.sort(a, pairComparator); + checkSorted(a); + checkStable(a); + } + + private static void testParallelObject(int length, TestRandom random) { + name = "parallel sorting is stable"; + Pair[] a = build(length, random); + out.println("[Object Sorting] 'parallel stable' random = " + + random.getSeed() + ", length = " + length); + Arrays.parallelSort(a); + checkSorted(a); + checkStable(a); + + a = build(length, random); + out.println("[Object Sorting] 'parallel comparator'" + + " random = " + random.getSeed() + ", length = " + length); + Arrays.parallelSort(a, pairComparator); + checkSorted(a); + checkStable(a); + } + private static void testEmptyAndNullIntArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new int[] {}); ! sortingHelper.sort(new int[] {}, 0, 0); try { ! sortingHelper.sort((int[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((int[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(int[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(int[]) shouldn't catch null array"); } private static void testEmptyAndNullLongArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new long[] {}); ! sortingHelper.sort(new long[] {}, 0, 0); try { ! sortingHelper.sort((long[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((long[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(long[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(long[]) shouldn't catch null array"); } ! private static void testEmptyAndNullByteArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new byte[] {}); ! sortingHelper.sort(new byte[] {}, 0, 0); try { ! sortingHelper.sort((byte[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((byte[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(byte[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(byte[]) shouldn't catch null array"); } private static void testEmptyAndNullCharArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new char[] {}); ! sortingHelper.sort(new char[] {}, 0, 0); try { ! sortingHelper.sort((char[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((char[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(char[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(char[]) shouldn't catch null array"); } ! private static void testEmptyAndNullShortArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new short[] {}); ! sortingHelper.sort(new short[] {}, 0, 0); try { ! sortingHelper.sort((short[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((short[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(short[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(short[]) shouldn't catch null array"); } private static void testEmptyAndNullFloatArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new float[] {}); ! sortingHelper.sort(new float[] {}, 0, 0); try { ! sortingHelper.sort((float[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((float[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(float[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(float[]) shouldn't catch null array"); } private static void testEmptyAndNullDoubleArray() { ! name = "Empty and null array"; ! sortingHelper.sort(new double[] {}); ! sortingHelper.sort(new double[] {}, 0, 0); try { ! sortingHelper.sort((double[]) null); } catch (NullPointerException expected) { try { ! sortingHelper.sort((double[]) null, 0, 0); } catch (NullPointerException expected2) { return; } ! fail(sortingHelper + "(double[],fromIndex,toIndex) shouldn't " + "catch null array"); } ! fail(sortingHelper + "(double[]) shouldn't catch null array"); } private static void testAndCheckSubArray(int length) { ! name = "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); int[] test = golden.clone(); for (TypeConverter converter : TypeConverter.values()) { ! out.println(getTestName() + converter + ! " length = " + length + ", m = " + m); Object convertedTest = converter.convert(test); sortSubArray(convertedTest, fromIndex, toIndex); ! checkSubArray(convertedTest, fromIndex, toIndex); } } if (newLine) { out.println(); } } private static void testAndCheckRange(int length) { ! name = "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(getTestName() + converter + ! " length = " + length + ", m = " + m); Object convertedGolden = converter.convert(golden); checkRange(convertedGolden, m); } } 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()) { ! failSort(i, "" + a[i].getKey(), "" + a[i + 1].getKey()); } } } private static void checkStable(Pair[] a) {
*** 303,318 **** 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); } } } --- 378,393 ---- int value3 = a[i++].getValue(); int key4 = a[i].getKey(); int value4 = a[i++].getValue(); if (!(key1 == key2 && key2 == key3 && key3 == key4)) { ! fail("On position " + i + " keys are different " + key1 + ", " + key2 + ", " + key3 + ", " + key4); } if (!(value1 < value2 && value2 < value3 && value3 < value4)) { ! fail("Sorting is not stable at position " + i + ! ". Second values have been changed: " + value1 + ", " + value2 + ", " + value3 + ", " + value4); } } }
*** 327,387 **** a[i++] = new Pair(key, 4); } return a; } ! 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); --- 402,464 ---- a[i++] = new Pair(key, 4); } return a; } ! private static Comparator<Pair> pairComparator = new Comparator<Pair>() { ! ! @Override ! public int compare(Pair p1, Pair p2) { ! return p1.compareTo(p2); ! } ! }; ! ! private static class Pair implements Comparable<Pair> { ! ! private Pair(int key, int value) { ! this.key = key; ! this.value = value; } int getKey() { ! return key; } int getValue() { ! return value; } + @Override public int compareTo(Pair pair) { ! return Integer.compare(key, pair.key); } @Override public String toString() { ! return "(" + key + ", " + value + ")"; } ! private int key; ! private int value; } ! private static void testAndCheckWithInsertionSort(int length, TestRandom random) { if (length > 1000) { return; } ! name = "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(getTestName() + converter + " " + ! builder + "random = " + random.getSeed() + ", length = " + ! length + ", m = " + m); Object convertedTest1 = converter.convert(test); Object convertedTest2 = converter.convert(test); sort(convertedTest1); sortByInsertionSort(convertedTest2); compare(convertedTest1, convertedTest2);
*** 389,434 **** } } 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); --- 466,510 ---- } } out.println(); } ! private static void testMergingSort(int length) { if (length < 1000) { return; } ! name = "Merging sort"; int[] golden = new int[length]; ! final int PERIOD = 50; ! for (int m = PERIOD - 2; m <= PERIOD + 2; ++m) { ! for (MergingBuilder builder : MergingBuilder.values()) { builder.build(golden, m); for (TypeConverter converter : TypeConverter.values()) { ! out.println(getTestName() + converter + ! " " + builder + "length = " + length + ", m = " + m); Object convertedGolden = converter.convert(golden); sort(convertedGolden); checkSorted(convertedGolden); } } } out.println(); } ! private static void testAndCheckWithCheckSum(int length, TestRandom random) { ! name = "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(getTestName() + converter + " " + builder + "random = " + random.getSeed() + ", length = " + length + ", m = " + m); Object convertedGolden = converter.convert(golden); Object convertedTest = converter.convert(test); sort(convertedTest);
*** 437,494 **** } } 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); --- 513,568 ---- } } out.println(); } ! private static void testAndCheckWithScrambling(int length, TestRandom random) { ! name = "Sorting with scrambling"; int[] golden = new int[length]; ! for (int m = 1; m < 8; ++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(getTestName() + 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, TestRandom random) { ! name = "Float sorting"; float[] golden = new float[length]; boolean newLine = false; + final int MAX = 13; ! 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; } for (FloatBuilder builder : FloatBuilder.values()) { ! out.println(getTestName() + "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);
*** 500,532 **** } } 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); --- 574,636 ---- } } if (newLine) { out.println(); } + + for (int m = 13; m > 4; --m) { + int t = length / m; + int g = t, z = t, n = t, p = t; + int a = length - g - z - n - p; + + for (FloatBuilder builder : FloatBuilder.values()) { + out.println(getTestName() + "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); + } + } + out.println(); } ! private static void testFloatNegativeZero(int length, TestRandom random) { ! name = "Float -0.0"; ! out.println(getTestName() + "random = " + random.getSeed() + " length = " + length); ! float[] a = new float[length]; ! ! for (int i = 0; i < length; ++i) { ! a[i] = random.nextBoolean() ? -0.0f : 0.0f; ! } ! sort(a); ! checkNegativeZero(a); ! out.println(); ! } ! ! private static void testAndCheckDouble(int length, TestRandom random) { ! name = "Double sorting"; double[] golden = new double[length]; boolean newLine = false; + final int MAX = 13; ! 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; } for (DoubleBuilder builder : DoubleBuilder.values()) { ! out.println(getTestName() + "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);
*** 538,581 **** } } 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) { --- 642,717 ---- } } if (newLine) { out.println(); } + + for (int m = 13; m > 4; --m) { + int t = length / m; + int g = t, z = t, n = t, p = t; + int a = length - g - z - n - p; + + for (DoubleBuilder builder : DoubleBuilder.values()) { + out.println(getTestName() + "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); + } + } + out.println(); + } + + private static void testDoubleNegativeZero(int length, TestRandom random) { + name = "Double -0.0"; + out.println(getTestName() + "random = " + random.getSeed() + " length = " + length); + double[] a = new double[length]; + + for (int i = 0; i < length; ++i) { + a[i] = random.nextBoolean() ? -0.0d : 0.0d; + } + sort(a); + checkNegativeZero(a); + out.println(); } ! private static void prepareSubArray(int[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! a[i] = A380; } 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] = B747; } } 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) {
*** 594,693 **** 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(); --- 730,828 ---- double t = a[i]; a[i] = a[j]; a[j] = t; } ! private 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; } }; abstract Object convert(int[] a); ! @Override ! public String toString() { String name = name(); ! for (int i = name.length(); i < 9; ++i) { name += " "; } return name; } } ! private 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();
*** 709,719 **** }; 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(); --- 844,855 ---- }; abstract void build(float[] x, int a, int g, int z, int n, int p, Random random); } ! private 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();
*** 736,1026 **** 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); --- 872,1245 ---- 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]) { ! fail("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])) { ! fail("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]) { ! failCompare(i, "" + a[i], "" + b[i]); ! } ! } ! } ! ! private static void checkNegativeZero(float[] a) { ! for (int i = 0; i < a.length - 1; ++i) { ! if (Float.floatToRawIntBits(a[i]) == 0 && Float.floatToRawIntBits(a[i + 1]) < 0) { ! fail(a[i] + " goes before " + a[i + 1] + " at " + 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]) { ! fail("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])) { ! fail("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]) { ! failCompare(i, "" + a[i], "" + b[i]); } } } ! private static void checkNegativeZero(double[] a) { ! for (int i = 0; i < a.length - 1; ++i) { ! if (Double.doubleToRawLongBits(a[i]) == 0 && Double.doubleToRawLongBits(a[i + 1]) < 0) { ! fail(a[i] + " goes before " + a[i + 1] + " at " + i); ! } ! } ! } ! ! private enum SortedBuilder { ! ! STEPS { 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; } } }; 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 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; } } }, ! ! 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); } } + }, + + LATCH { + void build(int[] a, int m, Random random) { + int max = a.length / m; + max = max < 2 ? 2 : max; + + for (int i = 0; i < a.length; ++i) { + a[i] = i % max; + } + } }; 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 enum MergingBuilder { ! ! 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; ! } ! }, ! ! POINT { ! void build(int[] a, int m) { ! for (int i = 0; i < a.length; ++i) { ! a[i] = 0; ! } ! a[a.length / 2] = m; ! } ! }, ! ! LINE { ! void build(int[] a, int m) { ! for (int i = 0; i < a.length; ++i) { ! a[i] = i; ! } ! reverse(a, 0, a.length - 1); ! } ! }, ! ! PEARL { ! void build(int[] a, int m) { ! for (int i = 0; i < a.length; ++i) { ! a[i] = i; ! } ! reverse(a, 0, 2); ! } ! }, ! ! RING { ! void build(int[] a, int m) { ! int k1 = a.length / 3; ! int k2 = a.length / 3 * 2; ! int level = a.length / 3; ! ! for (int i = 0, k = level; i < k1; ++i) { ! a[i] = k--; ! } ! for (int i = k1; i < k2; ++i) { ! a[i] = 0; ! } ! for (int i = k2, k = level; i < a.length; ++i) { ! 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 void reverse(int[] a, int lo, int hi) { + for (--hi; lo < hi; ) { + int tmp = a[lo]; + a[lo++] = a[hi]; + a[hi--] = tmp; + } + } + private static void checkWithCheckSum(Object test, Object golden) { checkSorted(test); checkCheckSum(test, golden); } ! private static void fail(String message) { ! err.format("\n*** TEST FAILED *** %s.\n\n%s.\n\n", name, message); throw new RuntimeException("Test failed - see log file for details"); } ! private static void failSort(int index, String value1, String value2) { ! fail("Array is not sorted at " + index + "-th position: " + value1 + " and " + value2); } ! private static void failCompare(int index, String value1, String value2) { ! fail("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);
*** 1034,1111 **** 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) { --- 1253,1320 ---- 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 { ! fail("Unknown 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]) { ! failCompare(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]) { ! failCompare(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]) { ! failCompare(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]) { ! failCompare(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]) { ! failCompare(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]) { ! failCompare(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]) { ! failCompare(i, "" + a[i], "" + b[i]); } } } private static void checkSorted(Object object) {
*** 1121,1208 **** 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[]) { --- 1330,1407 ---- checkSorted((char[]) object); } else if (object instanceof float[]) { checkSorted((float[]) object); } else if (object instanceof double[]) { checkSorted((double[]) object); } else { ! fail("Unknown 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]) { ! failSort(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]) { ! failSort(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]) { ! failSort(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]) { ! failSort(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]) { ! failSort(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]) { ! failSort(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]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } } private static void checkCheckSum(Object test, Object golden) { if (checkSumXor(test) != checkSumXor(golden)) { ! fail("Original and sorted arrays are not identical [xor]"); } if (checkSumPlus(test) != checkSumPlus(golden)) { ! fail("Original and sorted arrays are not identical [plus]"); } } private static int checkSumXor(Object object) { if (object instanceof int[]) {
*** 1217,1244 **** 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; --- 1416,1432 ---- return checkSumXor((char[]) object); } else if (object instanceof float[]) { return checkSumXor((float[]) object); } else if (object instanceof double[]) { return checkSumXor((double[]) object); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); return -1; } } private static int checkSumXor(int[] a) { int checkSum = 0; for (int e : a) { checkSum ^= e;
*** 1313,1326 **** 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; } } --- 1501,1512 ---- return checkSumPlus((char[]) object); } else if (object instanceof float[]) { return checkSumPlus((float[]) object); } else if (object instanceof double[]) { return checkSumPlus((double[]) object); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); return -1; } }
*** 1385,1403 **** 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); --- 1571,1580 ----
*** 1409,1747 **** 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.sort((int[]) object); } else if (object instanceof long[]) { ! Arrays.sort((long[]) object); } else if (object instanceof short[]) { ! Arrays.sort((short[]) object); } else if (object instanceof byte[]) { ! Arrays.sort((byte[]) object); } else if (object instanceof char[]) { ! Arrays.sort((char[]) object); } else if (object instanceof float[]) { ! Arrays.sort((float[]) object); } else if (object instanceof double[]) { ! Arrays.sort((double[]) object); ! } else if (object instanceof Integer[]) { ! Arrays.sort((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.sort((int[]) object, fromIndex, toIndex); } else if (object instanceof long[]) { ! Arrays.sort((long[]) object, fromIndex, toIndex); } else if (object instanceof short[]) { ! Arrays.sort((short[]) object, fromIndex, toIndex); } else if (object instanceof byte[]) { ! Arrays.sort((byte[]) object, fromIndex, toIndex); } else if (object instanceof char[]) { ! Arrays.sort((char[]) object, fromIndex, toIndex); } else if (object instanceof float[]) { ! Arrays.sort((float[]) object, fromIndex, toIndex); } else if (object instanceof double[]) { ! Arrays.sort((double[]) object, fromIndex, toIndex); ! } else if (object instanceof Integer[]) { ! Arrays.sort((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) { --- 1586,1884 ---- sortByInsertionSort((char[]) object); } else if (object instanceof float[]) { sortByInsertionSort((float[]) object); } else if (object instanceof double[]) { sortByInsertionSort((double[]) object); } else { ! fail("Unknown 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 sort(Object object) { if (object instanceof int[]) { ! sortingHelper.sort((int[]) object); } else if (object instanceof long[]) { ! sortingHelper.sort((long[]) object); } else if (object instanceof short[]) { ! sortingHelper.sort((short[]) object); } else if (object instanceof byte[]) { ! sortingHelper.sort((byte[]) object); } else if (object instanceof char[]) { ! sortingHelper.sort((char[]) object); } else if (object instanceof float[]) { ! sortingHelper.sort((float[]) object); } else if (object instanceof double[]) { ! sortingHelper.sort((double[]) object); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); } } private static void sortSubArray(Object object, int fromIndex, int toIndex) { if (object instanceof int[]) { ! sortingHelper.sort((int[]) object, fromIndex, toIndex); } else if (object instanceof long[]) { ! sortingHelper.sort((long[]) object, fromIndex, toIndex); } else if (object instanceof short[]) { ! sortingHelper.sort((short[]) object, fromIndex, toIndex); } else if (object instanceof byte[]) { ! sortingHelper.sort((byte[]) object, fromIndex, toIndex); } else if (object instanceof char[]) { ! sortingHelper.sort((char[]) object, fromIndex, toIndex); } else if (object instanceof float[]) { ! sortingHelper.sort((float[]) object, fromIndex, toIndex); } else if (object instanceof double[]) { ! sortingHelper.sort((double[]) object, fromIndex, toIndex); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); } } ! private static void checkSubArray(Object object, int fromIndex, int toIndex) { if (object instanceof int[]) { ! checkSubArray((int[]) object, fromIndex, toIndex); } else if (object instanceof long[]) { ! checkSubArray((long[]) object, fromIndex, toIndex); } else if (object instanceof short[]) { ! checkSubArray((short[]) object, fromIndex, toIndex); } else if (object instanceof byte[]) { ! checkSubArray((byte[]) object, fromIndex, toIndex); } else if (object instanceof char[]) { ! checkSubArray((char[]) object, fromIndex, toIndex); } else if (object instanceof float[]) { ! checkSubArray((float[]) object, fromIndex, toIndex); } else if (object instanceof double[]) { ! checkSubArray((double[]) object, fromIndex, toIndex); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); } } ! private static void checkSubArray(int[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(byte[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (byte) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (byte) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(long[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (long) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (long) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(char[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (char) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (char) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(short[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (short) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (short) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(float[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (float) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (float) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } ! private static void checkSubArray(double[] a, int fromIndex, int toIndex) { ! for (int i = 0; i < fromIndex; ++i) { ! if (a[i] != (double) A380) { ! fail("Range sort changes left element on position " + i + ! ": " + a[i] + ", must be " + A380); } } ! for (int i = fromIndex; i < toIndex - 1; ++i) { if (a[i] > a[i + 1]) { ! failSort(i, "" + a[i], "" + a[i + 1]); } } ! for (int i = toIndex; i < a.length; ++i) { ! if (a[i] != (double) B747) { ! fail("Range sort changes right element on position " + i + ! ": " + a[i] + ", must be " + B747); } } } private static void checkRange(Object object, int m) {
*** 1757,2044 **** 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.sort(a, m + 1, m); - - failed("Sort does not throw IllegalArgumentException " + - " as expected: fromIndex = " + (m + 1) + - " toIndex = " + m); - } - catch (IllegalArgumentException iae) { - try { - Arrays.sort(a, -m, a.length); - - failed("Sort does not throw ArrayIndexOutOfBoundsException " + - " as expected: fromIndex = " + (-m)); - } - catch (ArrayIndexOutOfBoundsException aoe) { - try { - Arrays.sort(a, 0, a.length + m); - - failed("Sort does not throw ArrayIndexOutOfBoundsException " + - " as expected: toIndex = " + (a.length + m)); - } - catch (ArrayIndexOutOfBoundsException aie) { - return; - } - } - } - } - private static void checkRange(int[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(long[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(byte[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(short[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(char[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(float[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } ! catch (ArrayIndexOutOfBoundsException aie) { ! return; } } } } private static void checkRange(double[] a, int m) { try { ! Arrays.sort(a, m + 1, m); ! failed("Sort does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + ! " toIndex = " + m); ! } ! catch (IllegalArgumentException iae) { try { ! Arrays.sort(a, -m, a.length); ! failed("Sort does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } ! catch (ArrayIndexOutOfBoundsException aoe) { try { ! Arrays.sort(a, 0, a.length + m); ! failed("Sort 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; } --- 1894,2090 ---- checkRange((char[]) object, m); } else if (object instanceof float[]) { checkRange((float[]) object, m); } else if (object instanceof double[]) { checkRange((double[]) object, m); } else { ! fail("Unknown type of array: " + object + " of class " + object.getClass().getName()); } } private static void checkRange(int[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(long[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(byte[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(short[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(char[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(float[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } private static void checkRange(double[] a, int m) { try { ! sortingHelper.sort(a, m + 1, m); ! fail(sortingHelper + "() does not throw IllegalArgumentException " + ! " as expected: fromIndex = " + (m + 1) + " toIndex = " + m); ! } catch (IllegalArgumentException iae) { try { ! sortingHelper.sort(a, -m, a.length); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: fromIndex = " + (-m)); ! } catch (ArrayIndexOutOfBoundsException aoe) { try { ! sortingHelper.sort(a, 0, a.length + m); ! fail(sortingHelper + "() does not throw ArrayIndexOutOfBoundsException " + " as expected: toIndex = " + (a.length + m)); ! } catch (ArrayIndexOutOfBoundsException expected) { } } } } ! private static String getTestName() { ! return "[" + sortingHelper + "] '" + name + "' "; } ! private static class TestRandom extends Random { ! private TestRandom(long seed) { super(seed); ! this.seed = Long.toHexString(seed).toUpperCase(); } ! String getSeed() { ! return seed; } ! private String seed; } }
< prev index next >