org.eclipse.virgo.bundlor/src/test/java/org/eclipse/virgo/bundlor/util/ObjectUtilsTests.java - virgo/org.eclipse.virgo.bundlor - Git at Google

 /*******************************************************************************
  * Copyright (c) 2008, 2010 VMware Inc.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *   VMware Inc. - initial contribution
  *******************************************************************************/

 package org.eclipse.virgo.bundlor.util;

 import java.io.IOException;
 import java.sql.SQLException;

 import org.eclipse.virgo.bundlor.util.ObjectUtils;

 import junit.framework.TestCase;

 /**
  * @author Rod Johnson
  * @author Juergen Hoeller
  * @author Rick Evans
  */
 public final class ObjectUtilsTests extends TestCase {

 	public void testIsCheckedException() {
 		assertTrue(ObjectUtils.isCheckedException(new Exception()));
 		assertTrue(ObjectUtils.isCheckedException(new SQLException()));

 		assertFalse(ObjectUtils.isCheckedException(new RuntimeException()));
 //		assertFalse(ObjectUtils.isCheckedException(new TaskRejectedException("")));

 		// Any Throwable other than RuntimeException and Error
 		// has to be considered checked according to the JLS.
 		assertTrue(ObjectUtils.isCheckedException(new Throwable()));
 	}

 	public void testIsCompatibleWithThrowsClause() {
 		Class<?>[] empty = new Class[0];
 		Class<?>[] exception = new Class[] {Exception.class};
 		Class<?>[] sqlAndIO = new Class[] {SQLException.class, IOException.class};
 		Class<?>[] throwable = new Class[] {Throwable.class};

 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), null));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), empty));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), exception));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), sqlAndIO));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), throwable));

 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), null));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), empty));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), exception));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), sqlAndIO));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), throwable));

 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), null));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), empty));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), exception));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), sqlAndIO));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), throwable));

 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), null));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), empty));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), exception));
 		assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), sqlAndIO));
 		assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), throwable));
 	}

 	public void testToObjectArray() {
 		int[] a = new int[] {1, 2, 3, 4, 5};
 		Integer[] wrapper = (Integer[]) ObjectUtils.toObjectArray(a);
 		assertTrue(wrapper.length == 5);
 		for (int i = 0; i < wrapper.length; i++) {
 			assertEquals(a[i], wrapper[i].intValue());
 		}
 	}

 	public void testToObjectArrayWithNull() {
 		Object[] objects = ObjectUtils.toObjectArray(null);
 		assertNotNull(objects);
 		assertEquals(0, objects.length);
 	}

 	public void testToObjectArrayWithEmptyPrimitiveArray() {
 		Object[] objects = ObjectUtils.toObjectArray(new byte[] {});
 		assertNotNull(objects);
 		assertEquals(0, objects.length);
 	}

 	public void testToObjectArrayWithNonArrayType() {
 		try {
 			ObjectUtils.toObjectArray("Not an []");
 			fail("Must have thrown an IllegalArgumentException by this point.");
 		}
 		catch (IllegalArgumentException expected) {
 		}
 	}

 	public void testToObjectArrayWithNonPrimitiveArray() {
 		String[] source = new String[] {"Bingo"};
 		assertEquals(source, ObjectUtils.toObjectArray(source));
 	}

 	public void testAddObjectToArraySunnyDay() {
 		String[] array = new String[] {"foo", "bar"};
 		String newElement = "baz";
 		Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
 		assertEquals(3, newArray.length);
 		assertEquals(newElement, newArray[2]);
 	}

 	public void testAddObjectToArrayWhenEmpty() {
 		String[] array = new String[0];
 		String newElement = "foo";
 		Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
 		assertEquals(1, newArray.length);
 		assertEquals(newElement, newArray[0]);
 	}

 	public void testAddObjectToSingleNonNullElementArray() {
 		String existingElement = "foo";
 		String[] array = new String[] {existingElement};
 		String newElement = "bar";
 		Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
 		assertEquals(2, newArray.length);
 		assertEquals(existingElement, newArray[0]);
 		assertEquals(newElement, newArray[1]);
 	}

 	public void testAddObjectToSingleNullElementArray() {
 		String[] array = new String[] {null};
 		String newElement = "bar";
 		Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
 		assertEquals(2, newArray.length);
 		assertEquals(null, newArray[0]);
 		assertEquals(newElement, newArray[1]);
 	}

 	public void testAddObjectToNullArray() throws Exception {
 		String newElement = "foo";
 		Object[] newArray = ObjectUtils.addObjectToArray(null, newElement);
 		assertEquals(1, newArray.length);
 		assertEquals(newElement, newArray[0]);
 	}

 	public void testAddNullObjectToNullArray() throws Exception {
 		Object[] newArray = ObjectUtils.addObjectToArray(null, null);
 		assertEquals(1, newArray.length);
 		assertEquals(null, newArray[0]);
 	}

 	public void testNullSafeEqualsWithArrays() throws Exception {
 		assertTrue(ObjectUtils.nullSafeEquals(new String[] {"a", "b", "c"}, new String[] {"a", "b", "c"}));
 		assertTrue(ObjectUtils.nullSafeEquals(new int[] {1, 2, 3}, new int[] {1, 2, 3}));
 	}

 	public void testHashCodeWithBooleanFalse() {
 		int expected = Boolean.FALSE.hashCode();
 		assertEquals(expected, ObjectUtils.hashCode(false));
 	}

 	public void testHashCodeWithBooleanTrue() {
 		int expected = Boolean.TRUE.hashCode();
 		assertEquals(expected, ObjectUtils.hashCode(true));
 	}

 	public void testHashCodeWithDouble() {
 		double dbl = 9830.43;
 		int expected = (new Double(dbl)).hashCode();
 		assertEquals(expected, ObjectUtils.hashCode(dbl));
 	}

 	public void testHashCodeWithFloat() {
 		float flt = 34.8f;
 		int expected = (new Float(flt)).hashCode();
 		assertEquals(expected, ObjectUtils.hashCode(flt));
 	}

 	public void testHashCodeWithLong() {
 		long lng = 883l;
 		int expected = (new Long(lng)).hashCode();
 		assertEquals(expected, ObjectUtils.hashCode(lng));
 	}

 	public void testIdentityToString() {
 		Object obj = new Object();
 		String expected = obj.getClass().getName() + "@" + ObjectUtils.getIdentityHexString(obj);
 		String actual = ObjectUtils.identityToString(obj);
 		assertEquals(expected.toString(), actual);
 	}

 	public void testIdentityToStringWithNullObject() {
 		assertEquals("", ObjectUtils.identityToString(null));
 	}

 //	public void testIsArrayOfPrimitivesWithBooleanArray() {
 //		assertTrue(ClassUtils.isPrimitiveArray(boolean[].class));
 //	}
 //
 //	public void testIsArrayOfPrimitivesWithObjectArray() {
 //		assertFalse(ClassUtils.isPrimitiveArray(Object[].class));
 //	}
 //
 //	public void testIsArrayOfPrimitivesWithNonArray() {
 //		assertFalse(ClassUtils.isPrimitiveArray(String.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithBooleanPrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(boolean.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithBooleanWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Boolean.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithBytePrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(byte.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithByteWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Byte.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithCharacterClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Character.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithCharClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(char.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithDoublePrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(double.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithDoubleWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Double.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithFloatPrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(float.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithFloatWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Float.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithIntClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(int.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithIntegerClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Integer.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithLongPrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(long.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithLongWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Long.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithNonPrimitiveOrWrapperClass() {
 //		assertFalse(ClassUtils.isPrimitiveOrWrapper(Object.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithShortPrimitiveClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(short.class));
 //	}
 //
 //	public void testIsPrimitiveOrWrapperWithShortWrapperClass() {
 //		assertTrue(ClassUtils.isPrimitiveOrWrapper(Short.class));
 //	}

 	public void testNullSafeHashCodeWithBooleanArray() {
 		int expected = 31 * 7 + Boolean.TRUE.hashCode();
 		expected = 31 * expected + Boolean.FALSE.hashCode();

 		boolean[] array = {true, false};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithBooleanArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((boolean[]) null));
 	}

 	public void testNullSafeHashCodeWithByteArray() {
 		int expected = 31 * 7 + 8;
 		expected = 31 * expected + 10;

 		byte[] array = {8, 10};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithByteArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((byte[]) null));
 	}

 	public void testNullSafeHashCodeWithCharArray() {
 		int expected = 31 * 7 + 'a';
 		expected = 31 * expected + 'E';

 		char[] array = {'a', 'E'};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithCharArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((char[]) null));
 	}

 	public void testNullSafeHashCodeWithDoubleArray() {
 		long bits = Double.doubleToLongBits(8449.65);
 		int expected = 31 * 7 + (int) (bits ^ (bits >>> 32));
 		bits = Double.doubleToLongBits(9944.923);
 		expected = 31 * expected + (int) (bits ^ (bits >>> 32));

 		double[] array = {8449.65, 9944.923};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithDoubleArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((double[]) null));
 	}

 	public void testNullSafeHashCodeWithFloatArray() {
 		int expected = 31 * 7 + Float.floatToIntBits(9.6f);
 		expected = 31 * expected + Float.floatToIntBits(7.4f);

 		float[] array = {9.6f, 7.4f};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithFloatArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((float[]) null));
 	}

 	public void testNullSafeHashCodeWithIntArray() {
 		int expected = 31 * 7 + 884;
 		expected = 31 * expected + 340;

 		int[] array = {884, 340};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithIntArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((int[]) null));
 	}

 	public void testNullSafeHashCodeWithLongArray() {
 		long lng = 7993l;
 		int expected = 31 * 7 + (int) (lng ^ (lng >>> 32));
 		lng = 84320l;
 		expected = 31 * expected + (int) (lng ^ (lng >>> 32));

 		long[] array = {7993l, 84320l};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithLongArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((long[]) null));
 	}

 	public void testNullSafeHashCodeWithObject() {
 		String str = "Luke";
 		assertEquals(str.hashCode(), ObjectUtils.nullSafeHashCode(str));
 	}

 	public void testNullSafeHashCodeWithObjectArray() {
 		int expected = 31 * 7 + "Leia".hashCode();
 		expected = 31 * expected + "Han".hashCode();

 		Object[] array = {"Leia", "Han"};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithObjectArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((Object[]) null));
 	}

 	public void testNullSafeHashCodeWithObjectBeingBooleanArray() {
 		Object array = new boolean[] {true, false};
 		int expected = ObjectUtils.nullSafeHashCode((boolean[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingByteArray() {
 		Object array = new byte[] {6, 39};
 		int expected = ObjectUtils.nullSafeHashCode((byte[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingCharArray() {
 		Object array = new char[] {'l', 'M'};
 		int expected = ObjectUtils.nullSafeHashCode((char[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingDoubleArray() {
 		Object array = new double[] {68930.993, 9022.009};
 		int expected = ObjectUtils.nullSafeHashCode((double[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingFloatArray() {
 		Object array = new float[] {9.9f, 9.54f};
 		int expected = ObjectUtils.nullSafeHashCode((float[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingIntArray() {
 		Object array = new int[] {89, 32};
 		int expected = ObjectUtils.nullSafeHashCode((int[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingLongArray() {
 		Object array = new long[] {4389, 320};
 		int expected = ObjectUtils.nullSafeHashCode((long[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingObjectArray() {
 		Object array = new Object[] {"Luke", "Anakin"};
 		int expected = ObjectUtils.nullSafeHashCode((Object[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectBeingShortArray() {
 		Object array = new short[] {5, 3};
 		int expected = ObjectUtils.nullSafeHashCode((short[]) array);
 		assertEqualHashCodes(expected, array);
 	}

 	public void testNullSafeHashCodeWithObjectEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((Object) null));
 	}

 	public void testNullSafeHashCodeWithShortArray() {
 		int expected = 31 * 7 + 70;
 		expected = 31 * expected + 8;

 		short[] array = {70, 8};
 		int actual = ObjectUtils.nullSafeHashCode(array);

 		assertEquals(expected, actual);
 	}

 	public void testNullSafeHashCodeWithShortArrayEqualToNull() {
 		assertEquals(0, ObjectUtils.nullSafeHashCode((short[]) null));
 	}

 	public void testNullSafeToStringWithBooleanArray() {
 		boolean[] array = {true, false};
 		assertEquals("{true, false}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithBooleanArrayBeingEmpty() {
 		boolean[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithBooleanArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((boolean[]) null));
 	}

 	public void testNullSafeToStringWithByteArray() {
 		byte[] array = {5, 8};
 		assertEquals("{5, 8}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithByteArrayBeingEmpty() {
 		byte[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithByteArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((byte[]) null));
 	}

 	public void testNullSafeToStringWithCharArray() {
 		char[] array = {'A', 'B'};
 		assertEquals("{'A', 'B'}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithCharArrayBeingEmpty() {
 		char[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithCharArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((char[]) null));
 	}

 	public void testNullSafeToStringWithDoubleArray() {
 		double[] array = {8594.93, 8594023.95};
 		assertEquals("{8594.93, 8594023.95}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithDoubleArrayBeingEmpty() {
 		double[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithDoubleArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((double[]) null));
 	}

 	public void testNullSafeToStringWithFloatArray() {
 		float[] array = {8.6f, 43.8f};
 		assertEquals("{8.6, 43.8}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithFloatArrayBeingEmpty() {
 		float[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithFloatArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((float[]) null));
 	}

 	public void testNullSafeToStringWithIntArray() {
 		int[] array = {9, 64};
 		assertEquals("{9, 64}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithIntArrayBeingEmpty() {
 		int[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithIntArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((int[]) null));
 	}

 	public void testNullSafeToStringWithLongArray() {
 		long[] array = {434l, 23423l};
 		assertEquals("{434, 23423}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithLongArrayBeingEmpty() {
 		long[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithLongArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((long[]) null));
 	}

 	public void testNullSafeToStringWithPlainOldString() {
 		assertEquals("I shoh love tha taste of mangoes", ObjectUtils.nullSafeToString("I shoh love tha taste of mangoes"));
 	}

 	public void testNullSafeToStringWithObjectArray() {
 		Object[] array = {"Han", new Long(43)};
 		assertEquals("{Han, 43}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithObjectArrayBeingEmpty() {
 		Object[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithObjectArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((Object[]) null));
 	}

 	public void testNullSafeToStringWithShortArray() {
 		short[] array = {7, 9};
 		assertEquals("{7, 9}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithShortArrayBeingEmpty() {
 		short[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithShortArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((short[]) null));
 	}

 	public void testNullSafeToStringWithStringArray() {
 		String[] array = {"Luke", "Anakin"};
 		assertEquals("{Luke, Anakin}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithStringArrayBeingEmpty() {
 		String[] array = {};
 		assertEquals("{}", ObjectUtils.nullSafeToString(array));
 	}

 	public void testNullSafeToStringWithStringArrayEqualToNull() {
 		assertEquals("null", ObjectUtils.nullSafeToString((String[]) null));
 	}

 	private void assertEqualHashCodes(int expected, Object array) {
 		int actual = ObjectUtils.nullSafeHashCode(array);
 		assertEquals(expected, actual);
 		assertTrue(array.hashCode() != actual);
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2008, 2010 VMware Inc.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* VMware Inc. - initial contribution
	*******************************************************************************/

	package org.eclipse.virgo.bundlor.util;

	import java.io.IOException;
	import java.sql.SQLException;

	import org.eclipse.virgo.bundlor.util.ObjectUtils;

	import junit.framework.TestCase;

	/**
	* @author Rod Johnson
	* @author Juergen Hoeller
	* @author Rick Evans
	*/
	public final class ObjectUtilsTests extends TestCase {

	public void testIsCheckedException() {
	assertTrue(ObjectUtils.isCheckedException(new Exception()));
	assertTrue(ObjectUtils.isCheckedException(new SQLException()));

	assertFalse(ObjectUtils.isCheckedException(new RuntimeException()));
	// assertFalse(ObjectUtils.isCheckedException(new TaskRejectedException("")));

	// Any Throwable other than RuntimeException and Error
	// has to be considered checked according to the JLS.
	assertTrue(ObjectUtils.isCheckedException(new Throwable()));
	}

	public void testIsCompatibleWithThrowsClause() {
	Class<?>[] empty = new Class[0];
	Class<?>[] exception = new Class[] {Exception.class};
	Class<?>[] sqlAndIO = new Class[] {SQLException.class, IOException.class};
	Class<?>[] throwable = new Class[] {Throwable.class};

	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), null));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), empty));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), exception));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), sqlAndIO));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new RuntimeException(), throwable));

	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), null));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), empty));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), exception));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), sqlAndIO));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Exception(), throwable));

	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), null));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), empty));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), exception));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), sqlAndIO));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new SQLException(), throwable));

	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), null));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), empty));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), exception));
	assertFalse(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), sqlAndIO));
	assertTrue(ObjectUtils.isCompatibleWithThrowsClause(new Throwable(), throwable));
	}

	public void testToObjectArray() {
	int[] a = new int[] {1, 2, 3, 4, 5};
	Integer[] wrapper = (Integer[]) ObjectUtils.toObjectArray(a);
	assertTrue(wrapper.length == 5);
	for (int i = 0; i < wrapper.length; i++) {
	assertEquals(a[i], wrapper[i].intValue());
	}
	}

	public void testToObjectArrayWithNull() {
	Object[] objects = ObjectUtils.toObjectArray(null);
	assertNotNull(objects);
	assertEquals(0, objects.length);
	}

	public void testToObjectArrayWithEmptyPrimitiveArray() {
	Object[] objects = ObjectUtils.toObjectArray(new byte[] {});
	assertNotNull(objects);
	assertEquals(0, objects.length);
	}

	public void testToObjectArrayWithNonArrayType() {
	try {
	ObjectUtils.toObjectArray("Not an []");
	fail("Must have thrown an IllegalArgumentException by this point.");
	}
	catch (IllegalArgumentException expected) {
	}
	}

	public void testToObjectArrayWithNonPrimitiveArray() {
	String[] source = new String[] {"Bingo"};
	assertEquals(source, ObjectUtils.toObjectArray(source));
	}

	public void testAddObjectToArraySunnyDay() {
	String[] array = new String[] {"foo", "bar"};
	String newElement = "baz";
	Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
	assertEquals(3, newArray.length);
	assertEquals(newElement, newArray[2]);
	}

	public void testAddObjectToArrayWhenEmpty() {
	String[] array = new String[0];
	String newElement = "foo";
	Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
	assertEquals(1, newArray.length);
	assertEquals(newElement, newArray[0]);
	}

	public void testAddObjectToSingleNonNullElementArray() {
	String existingElement = "foo";
	String[] array = new String[] {existingElement};
	String newElement = "bar";
	Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
	assertEquals(2, newArray.length);
	assertEquals(existingElement, newArray[0]);
	assertEquals(newElement, newArray[1]);
	}

	public void testAddObjectToSingleNullElementArray() {
	String[] array = new String[] {null};
	String newElement = "bar";
	Object[] newArray = ObjectUtils.addObjectToArray(array, newElement);
	assertEquals(2, newArray.length);
	assertEquals(null, newArray[0]);
	assertEquals(newElement, newArray[1]);
	}

	public void testAddObjectToNullArray() throws Exception {
	String newElement = "foo";
	Object[] newArray = ObjectUtils.addObjectToArray(null, newElement);
	assertEquals(1, newArray.length);
	assertEquals(newElement, newArray[0]);
	}

	public void testAddNullObjectToNullArray() throws Exception {
	Object[] newArray = ObjectUtils.addObjectToArray(null, null);
	assertEquals(1, newArray.length);
	assertEquals(null, newArray[0]);
	}

	public void testNullSafeEqualsWithArrays() throws Exception {
	assertTrue(ObjectUtils.nullSafeEquals(new String[] {"a", "b", "c"}, new String[] {"a", "b", "c"}));
	assertTrue(ObjectUtils.nullSafeEquals(new int[] {1, 2, 3}, new int[] {1, 2, 3}));
	}

	public void testHashCodeWithBooleanFalse() {
	int expected = Boolean.FALSE.hashCode();
	assertEquals(expected, ObjectUtils.hashCode(false));
	}

	public void testHashCodeWithBooleanTrue() {
	int expected = Boolean.TRUE.hashCode();
	assertEquals(expected, ObjectUtils.hashCode(true));
	}

	public void testHashCodeWithDouble() {
	double dbl = 9830.43;
	int expected = (new Double(dbl)).hashCode();
	assertEquals(expected, ObjectUtils.hashCode(dbl));
	}

	public void testHashCodeWithFloat() {
	float flt = 34.8f;
	int expected = (new Float(flt)).hashCode();
	assertEquals(expected, ObjectUtils.hashCode(flt));
	}

	public void testHashCodeWithLong() {
	long lng = 883l;
	int expected = (new Long(lng)).hashCode();
	assertEquals(expected, ObjectUtils.hashCode(lng));
	}

	public void testIdentityToString() {
	Object obj = new Object();
	String expected = obj.getClass().getName() + "@" + ObjectUtils.getIdentityHexString(obj);
	String actual = ObjectUtils.identityToString(obj);
	assertEquals(expected.toString(), actual);
	}

	public void testIdentityToStringWithNullObject() {
	assertEquals("", ObjectUtils.identityToString(null));
	}

	// public void testIsArrayOfPrimitivesWithBooleanArray() {
	// assertTrue(ClassUtils.isPrimitiveArray(boolean[].class));
	// }
	//
	// public void testIsArrayOfPrimitivesWithObjectArray() {
	// assertFalse(ClassUtils.isPrimitiveArray(Object[].class));
	// }
	//
	// public void testIsArrayOfPrimitivesWithNonArray() {
	// assertFalse(ClassUtils.isPrimitiveArray(String.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithBooleanPrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(boolean.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithBooleanWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Boolean.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithBytePrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(byte.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithByteWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Byte.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithCharacterClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Character.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithCharClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(char.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithDoublePrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(double.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithDoubleWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Double.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithFloatPrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(float.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithFloatWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Float.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithIntClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(int.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithIntegerClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Integer.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithLongPrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(long.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithLongWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Long.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithNonPrimitiveOrWrapperClass() {
	// assertFalse(ClassUtils.isPrimitiveOrWrapper(Object.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithShortPrimitiveClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(short.class));
	// }
	//
	// public void testIsPrimitiveOrWrapperWithShortWrapperClass() {
	// assertTrue(ClassUtils.isPrimitiveOrWrapper(Short.class));
	// }

	public void testNullSafeHashCodeWithBooleanArray() {
	int expected = 31 * 7 + Boolean.TRUE.hashCode();
	expected = 31 * expected + Boolean.FALSE.hashCode();

	boolean[] array = {true, false};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithBooleanArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((boolean[]) null));
	}

	public void testNullSafeHashCodeWithByteArray() {
	int expected = 31 * 7 + 8;
	expected = 31 * expected + 10;

	byte[] array = {8, 10};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithByteArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((byte[]) null));
	}

	public void testNullSafeHashCodeWithCharArray() {
	int expected = 31 * 7 + 'a';
	expected = 31 * expected + 'E';

	char[] array = {'a', 'E'};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithCharArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((char[]) null));
	}

	public void testNullSafeHashCodeWithDoubleArray() {
	long bits = Double.doubleToLongBits(8449.65);
	int expected = 31 * 7 + (int) (bits ^ (bits >>> 32));
	bits = Double.doubleToLongBits(9944.923);
	expected = 31 * expected + (int) (bits ^ (bits >>> 32));

	double[] array = {8449.65, 9944.923};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithDoubleArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((double[]) null));
	}

	public void testNullSafeHashCodeWithFloatArray() {
	int expected = 31 * 7 + Float.floatToIntBits(9.6f);
	expected = 31 * expected + Float.floatToIntBits(7.4f);

	float[] array = {9.6f, 7.4f};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithFloatArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((float[]) null));
	}

	public void testNullSafeHashCodeWithIntArray() {
	int expected = 31 * 7 + 884;
	expected = 31 * expected + 340;

	int[] array = {884, 340};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithIntArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((int[]) null));
	}

	public void testNullSafeHashCodeWithLongArray() {
	long lng = 7993l;
	int expected = 31 * 7 + (int) (lng ^ (lng >>> 32));
	lng = 84320l;
	expected = 31 * expected + (int) (lng ^ (lng >>> 32));

	long[] array = {7993l, 84320l};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithLongArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((long[]) null));
	}

	public void testNullSafeHashCodeWithObject() {
	String str = "Luke";
	assertEquals(str.hashCode(), ObjectUtils.nullSafeHashCode(str));
	}

	public void testNullSafeHashCodeWithObjectArray() {
	int expected = 31 * 7 + "Leia".hashCode();
	expected = 31 * expected + "Han".hashCode();

	Object[] array = {"Leia", "Han"};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithObjectArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((Object[]) null));
	}

	public void testNullSafeHashCodeWithObjectBeingBooleanArray() {
	Object array = new boolean[] {true, false};
	int expected = ObjectUtils.nullSafeHashCode((boolean[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingByteArray() {
	Object array = new byte[] {6, 39};
	int expected = ObjectUtils.nullSafeHashCode((byte[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingCharArray() {
	Object array = new char[] {'l', 'M'};
	int expected = ObjectUtils.nullSafeHashCode((char[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingDoubleArray() {
	Object array = new double[] {68930.993, 9022.009};
	int expected = ObjectUtils.nullSafeHashCode((double[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingFloatArray() {
	Object array = new float[] {9.9f, 9.54f};
	int expected = ObjectUtils.nullSafeHashCode((float[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingIntArray() {
	Object array = new int[] {89, 32};
	int expected = ObjectUtils.nullSafeHashCode((int[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingLongArray() {
	Object array = new long[] {4389, 320};
	int expected = ObjectUtils.nullSafeHashCode((long[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingObjectArray() {
	Object array = new Object[] {"Luke", "Anakin"};
	int expected = ObjectUtils.nullSafeHashCode((Object[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectBeingShortArray() {
	Object array = new short[] {5, 3};
	int expected = ObjectUtils.nullSafeHashCode((short[]) array);
	assertEqualHashCodes(expected, array);
	}

	public void testNullSafeHashCodeWithObjectEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((Object) null));
	}

	public void testNullSafeHashCodeWithShortArray() {
	int expected = 31 * 7 + 70;
	expected = 31 * expected + 8;

	short[] array = {70, 8};
	int actual = ObjectUtils.nullSafeHashCode(array);

	assertEquals(expected, actual);
	}

	public void testNullSafeHashCodeWithShortArrayEqualToNull() {
	assertEquals(0, ObjectUtils.nullSafeHashCode((short[]) null));
	}

	public void testNullSafeToStringWithBooleanArray() {
	boolean[] array = {true, false};
	assertEquals("{true, false}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithBooleanArrayBeingEmpty() {
	boolean[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithBooleanArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((boolean[]) null));
	}

	public void testNullSafeToStringWithByteArray() {
	byte[] array = {5, 8};
	assertEquals("{5, 8}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithByteArrayBeingEmpty() {
	byte[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithByteArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((byte[]) null));
	}

	public void testNullSafeToStringWithCharArray() {
	char[] array = {'A', 'B'};
	assertEquals("{'A', 'B'}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithCharArrayBeingEmpty() {
	char[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithCharArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((char[]) null));
	}

	public void testNullSafeToStringWithDoubleArray() {
	double[] array = {8594.93, 8594023.95};
	assertEquals("{8594.93, 8594023.95}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithDoubleArrayBeingEmpty() {
	double[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithDoubleArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((double[]) null));
	}

	public void testNullSafeToStringWithFloatArray() {
	float[] array = {8.6f, 43.8f};
	assertEquals("{8.6, 43.8}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithFloatArrayBeingEmpty() {
	float[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithFloatArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((float[]) null));
	}

	public void testNullSafeToStringWithIntArray() {
	int[] array = {9, 64};
	assertEquals("{9, 64}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithIntArrayBeingEmpty() {
	int[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithIntArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((int[]) null));
	}

	public void testNullSafeToStringWithLongArray() {
	long[] array = {434l, 23423l};
	assertEquals("{434, 23423}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithLongArrayBeingEmpty() {
	long[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithLongArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((long[]) null));
	}

	public void testNullSafeToStringWithPlainOldString() {
	assertEquals("I shoh love tha taste of mangoes", ObjectUtils.nullSafeToString("I shoh love tha taste of mangoes"));
	}

	public void testNullSafeToStringWithObjectArray() {
	Object[] array = {"Han", new Long(43)};
	assertEquals("{Han, 43}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithObjectArrayBeingEmpty() {
	Object[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithObjectArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((Object[]) null));
	}

	public void testNullSafeToStringWithShortArray() {
	short[] array = {7, 9};
	assertEquals("{7, 9}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithShortArrayBeingEmpty() {
	short[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithShortArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((short[]) null));
	}

	public void testNullSafeToStringWithStringArray() {
	String[] array = {"Luke", "Anakin"};
	assertEquals("{Luke, Anakin}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithStringArrayBeingEmpty() {
	String[] array = {};
	assertEquals("{}", ObjectUtils.nullSafeToString(array));
	}

	public void testNullSafeToStringWithStringArrayEqualToNull() {
	assertEquals("null", ObjectUtils.nullSafeToString((String[]) null));
	}

	private void assertEqualHashCodes(int expected, Object array) {
	int actual = ObjectUtils.nullSafeHashCode(array);
	assertEquals(expected, actual);
	assertTrue(array.hashCode() != actual);
	}

	}