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diff --git a/test/java/util/Arrays/ArrayObjectMethods.java b/test/java/util/Arrays/ArrayObjectMethods.java
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+/*
+ * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 4906359 6239296
+ * @summary Basic test for content-based array object methods
+ * @author Josh Bloch, Martin Buchholz
+ */
+
+import java.util.*;
+import java.io.*;
+
+public class ArrayObjectMethods {
+ int[] sizes = {0, 10, 100, 200, 1000};
+
+ void test(String[] args) throws Throwable {
+ equal(Arrays.deepToString(null), "null");
+ equal(Arrays.deepToString(new Object[]{}), "[]");
+ equal(Arrays.deepToString(new Object[]{null}), "[null]");
+ equal(Arrays.deepToString(new Object[]{null, 1}), "[null, 1]");
+ equal(Arrays.deepToString(new Object[]{1, null}), "[1, null]");
+ equal(Arrays.deepToString(new Object[]{new Object[]{}, null}), "[[], null]");
+
+ {
+ Object[] a = {1, null};
+ a[1] = a;
+ equal(Arrays.deepToString(a), "[1, [...]]");
+ a[0] = a;
+ equal(Arrays.deepToString(a), "[[...], [...]]");
+ a[0] = a[1] = new Object[]{1, null, a};
+ equal(Arrays.deepToString(a), "[[1, null, [...]], [1, null, [...]]]");
+ }
+
+ for (int size : sizes) {
+ {
+ long[] a = Rnd.longArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ int[] a = Rnd.intArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ short[] a = Rnd.shortArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ char[] a = Rnd.charArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ byte[] a = Rnd.byteArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ boolean[] a = Rnd.booleanArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ double[] a = Rnd.doubleArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ float[] a = Rnd.floatArray(size);
+ equal(Arrays.toString(a), PrimitiveArrays.asList(a).toString());
+ equal(Arrays.hashCode(a), PrimitiveArrays.asList(a).hashCode());
+ }
+ {
+ Object[] a = Rnd.flatObjectArray(size);
+ equal(Arrays.toString(a), Arrays.asList(a).toString());
+ equal(Arrays.deepToString(a), Arrays.asList(a).toString());
+ equal(Arrays.hashCode(a), Arrays.asList(a).hashCode());
+ }
+
+ if (size <= 200) {
+ Object[] a = Rnd.nestedObjectArray(size);
+ List aList = deepToList(a);
+ equal(Arrays.toString(a), Arrays.asList(a).toString());
+ equal(Arrays.deepToString(a), aList.toString());
+ equal(Arrays.deepHashCode(a), aList.hashCode());
+ equal(Arrays.hashCode(a), Arrays.asList(a).hashCode());
+
+ Object[] deepCopy = (Object[]) deepCopy(a);
+ check(Arrays.deepEquals(a, deepCopy));
+ check(Arrays.deepEquals(deepCopy, a));
+
+ // Make deepCopy != a
+ if (size == 0)
+ deepCopy = new Object[] {"foo"};
+ else if (deepCopy[deepCopy.length - 1] == null)
+ deepCopy[deepCopy.length - 1] = "baz";
+ else
+ deepCopy[deepCopy.length - 1] = null;
+ check(! Arrays.deepEquals(a, deepCopy));
+ check(! Arrays.deepEquals(deepCopy, a));
+ }
+ }
+ }
+
+ // Utility method to turn an array into a list "deeply," turning
+ // all primitives into objects
+ List<Object> deepToList(Object[] a) {
+ List<Object> result = new ArrayList<Object>();
+ for (Object e : a) {
+ if (e instanceof byte[])
+ result.add(PrimitiveArrays.asList((byte[])e));
+ else if (e instanceof short[])
+ result.add(PrimitiveArrays.asList((short[])e));
+ else if (e instanceof int[])
+ result.add(PrimitiveArrays.asList((int[])e));
+ else if (e instanceof long[])
+ result.add(PrimitiveArrays.asList((long[])e));
+ else if (e instanceof char[])
+ result.add(PrimitiveArrays.asList((char[])e));
+ else if (e instanceof double[])
+ result.add(PrimitiveArrays.asList((double[])e));
+ else if (e instanceof float[])
+ result.add(PrimitiveArrays.asList((float[])e));
+ else if (e instanceof boolean[])
+ result.add(PrimitiveArrays.asList((boolean[])e));
+ else if (e instanceof Object[])
+ result.add(deepToList((Object[])e));
+ else
+ result.add(e);
+ }
+ return result;
+ }
+
+ // Utility method to do a deep copy of an object *very slowly* using
+ // serialization/deserialization
+ Object deepCopy(Object oldObj) {
+ try {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ ObjectOutputStream oos = new ObjectOutputStream(bos);
+ oos.writeObject(oldObj);
+ oos.flush();
+ ByteArrayInputStream bin = new ByteArrayInputStream(
+ bos.toByteArray());
+ ObjectInputStream ois = new ObjectInputStream(bin);
+ return ois.readObject();
+ } catch(Exception e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ //--------------------- Infrastructure ---------------------------
+ volatile int passed = 0, failed = 0;
+ void pass() {passed++;}
+ void fail() {failed++; Thread.dumpStack();}
+ void fail(String msg) {System.err.println(msg); fail();}
+ void unexpected(Throwable t) {failed++; t.printStackTrace();}
+ void check(boolean cond) {if (cond) pass(); else fail();}
+ void equal(Object x, Object y) {
+ if (x == null ? y == null : x.equals(y)) pass();
+ else fail(x + " not equal to " + y);}
+ public static void main(String[] args) throws Throwable {
+ new ArrayObjectMethods().instanceMain(args);}
+ void instanceMain(String[] args) throws Throwable {
+ try {test(args);} catch (Throwable t) {unexpected(t);}
+ System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
+ if (failed > 0) throw new AssertionError("Some tests failed");}
+}
+
+/**
+ * Methods to generate "interesting" random primitives and primitive
+ * arrays. Unlike Random.nextXxx, these methods return small values
+ * and boundary values (e.g., 0, -1, NaN) with greater than normal
+ * likelihood.
+ */
+
+class Rnd {
+ private static Random rnd = new Random();
+
+ public static long nextLong() {
+ switch(rnd.nextInt(10)) {
+ case 0: return 0;
+ case 1: return Long.MIN_VALUE;
+ case 2: return Long.MAX_VALUE;
+ case 3: case 4: case 5:
+ return (long) (rnd.nextInt(20) - 10);
+ default: return rnd.nextLong();
+ }
+ }
+
+ public static int nextInt() {
+ switch(rnd.nextInt(10)) {
+ case 0: return 0;
+ case 1: return Integer.MIN_VALUE;
+ case 2: return Integer.MAX_VALUE;
+ case 3: case 4: case 5:
+ return rnd.nextInt(20) - 10;
+ default: return rnd.nextInt();
+ }
+ }
+
+ public static short nextShort() {
+ switch(rnd.nextInt(10)) {
+ case 0: return 0;
+ case 1: return Short.MIN_VALUE;
+ case 2: return Short.MAX_VALUE;
+ case 3: case 4: case 5:
+ return (short) (rnd.nextInt(20) - 10);
+ default: return (short) rnd.nextInt();
+ }
+ }
+
+ public static char nextChar() {
+ switch(rnd.nextInt(10)) {
+ case 0: return 0;
+ case 1: return Character.MIN_VALUE;
+ case 2: return Character.MAX_VALUE;
+ case 3: case 4: case 5:
+ return (char) (rnd.nextInt(20) - 10);
+ default: return (char) rnd.nextInt();
+ }
+ }
+
+ public static byte nextByte() {
+ switch(rnd.nextInt(10)) {
+ case 0: return 0;
+ case 1: return Byte.MIN_VALUE;
+ case 2: return Byte.MAX_VALUE;
+ case 3: case 4: case 5:
+ return (byte) (rnd.nextInt(20) - 10);
+ default: return (byte) rnd.nextInt();
+ }
+ }
+
+ public static boolean nextBoolean() {
+ return rnd.nextBoolean();
+ }
+
+ public static double nextDouble() {
+ switch(rnd.nextInt(20)) {
+ case 0: return 0;
+ case 1: return -0.0;
+ case 2: return Double.MIN_VALUE;
+ case 3: return Double.MAX_VALUE;
+ case 4: return Double.NaN;
+ case 5: return Double.NEGATIVE_INFINITY;
+ case 6: return Double.POSITIVE_INFINITY;
+ case 7: case 8: case 9:
+ return (rnd.nextInt(20) - 10);
+ default: return rnd.nextDouble();
+ }
+ }
+
+ public static float nextFloat() {
+ switch(rnd.nextInt(20)) {
+ case 0: return 0;
+ case 1: return -0.0f;
+ case 2: return Float.MIN_VALUE;
+ case 3: return Float.MAX_VALUE;
+ case 4: return Float.NaN;
+ case 5: return Float.NEGATIVE_INFINITY;
+ case 6: return Float.POSITIVE_INFINITY;
+ case 7: case 8: case 9:
+ return (rnd.nextInt(20) - 10);
+ default: return rnd.nextFloat();
+ }
+ }
+
+ public static Object nextObject() {
+ switch(rnd.nextInt(10)) {
+ case 0: return null;
+ case 1: return "foo";
+ case 2: case 3: case 4:
+ return Double.valueOf(nextDouble());
+ default: return Integer.valueOf(nextInt());
+ }
+ }
+
+ public static long[] longArray(int length) {
+ long[] result = new long[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextLong();
+ return result;
+ }
+
+ public static int[] intArray(int length) {
+ int[] result = new int[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextInt();
+ return result;
+ }
+
+ public static short[] shortArray(int length) {
+ short[] result = new short[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextShort();
+ return result;
+ }
+
+ public static char[] charArray(int length) {
+ char[] result = new char[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextChar();
+ return result;
+ }
+
+ public static byte[] byteArray(int length) {
+ byte[] result = new byte[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextByte();
+ return result;
+ }
+
+ public static boolean[] booleanArray(int length) {
+ boolean[] result = new boolean[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextBoolean();
+ return result;
+ }
+
+ public static double[] doubleArray(int length) {
+ double[] result = new double[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextDouble();
+ return result;
+ }
+
+ public static float[] floatArray(int length) {
+ float[] result = new float[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextFloat();
+ return result;
+ }
+
+ public static Object[] flatObjectArray(int length) {
+ Object[] result = new Object[length];
+ for (int i = 0; i < length; i++)
+ result[i] = Rnd.nextObject();
+ return result;
+ }
+
+ // Calling this for length >> 100 is likely to run out of memory! It
+ // should be perhaps be tuned to allow for longer arrays
+ public static Object[] nestedObjectArray(int length) {
+ Object[] result = new Object[length];
+ for (int i = 0; i < length; i++) {
+ switch(rnd.nextInt(16)) {
+ case 0: result[i] = nestedObjectArray(length/2);
+ break;
+ case 1: result[i] = longArray(length/2);
+ break;
+ case 2: result[i] = intArray(length/2);
+ break;
+ case 3: result[i] = shortArray(length/2);
+ break;
+ case 4: result[i] = charArray(length/2);
+ break;
+ case 5: result[i] = byteArray(length/2);
+ break;
+ case 6: result[i] = floatArray(length/2);
+ break;
+ case 7: result[i] = doubleArray(length/2);
+ break;
+ case 8: result[i] = longArray(length/2);
+ break;
+ default: result[i] = Rnd.nextObject();
+ }
+ }
+ return result;
+ }
+}
+
+/**
+ * Primitive arrays viewed as lists. Inefficient but cool.
+ * This utility should be generally useful in writing regression/unit/basic
+ * tests.
+ */
+
+class PrimitiveArrays {
+ public static List<Long> asList(final long[] a) {
+ return new AbstractList<Long>() {
+ public Long get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Long set(int i, Long e) {
+ long oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Integer> asList(final int[] a) {
+ return new AbstractList<Integer>() {
+ public Integer get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Integer set(int i, Integer e) {
+ int oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Short> asList(final short[] a) {
+ return new AbstractList<Short>() {
+ public Short get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Short set(int i, Short e) {
+ short oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Character> asList(final char[] a) {
+ return new AbstractList<Character>() {
+ public Character get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Character set(int i, Character e) {
+ Character oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Byte> asList(final byte[] a) {
+ return new AbstractList<Byte>() {
+ public Byte get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Byte set(int i, Byte e) {
+ Byte oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Boolean> asList(final boolean[] a) {
+ return new AbstractList<Boolean>() {
+ public Boolean get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Boolean set(int i, Boolean e) {
+ Boolean oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Double> asList(final double[] a) {
+ return new AbstractList<Double>() {
+ public Double get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Double set(int i, Double e) {
+ Double oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+
+ public static List<Float> asList(final float[] a) {
+ return new AbstractList<Float>() {
+ public Float get(int i) { return a[i]; }
+ public int size() { return a.length; }
+
+ public Float set(int i, Float e) {
+ Float oldVal = a[i];
+ a[i] = e;
+ return oldVal;
+ }
+ };
+ }
+}