| /* |
| * 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, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 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) { |
| 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 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.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) { |
| 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.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; |
| } |