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junit4ify ObjectUtilsTest
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1147521 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Matthew Jason Benson
parent
afa12a7960
commit
aee1b76fb6
@ -16,6 +16,8 @@
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*/
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package org.apache.commons.lang3;
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import static org.junit.Assert.*;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Modifier;
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import java.util.ArrayList;
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@ -24,25 +26,21 @@
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import java.util.Date;
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import java.util.List;
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import junit.framework.TestCase;
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import org.apache.commons.lang3.exception.CloneFailedException;
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import org.apache.commons.lang3.mutable.MutableObject;
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import org.junit.Test;
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/**
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* Unit tests {@link org.apache.commons.lang3.ObjectUtils}.
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*
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* @version $Id$
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*/
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public class ObjectUtilsTest extends TestCase {
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public class ObjectUtilsTest {
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private static final String FOO = "foo";
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private static final String BAR = "bar";
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public ObjectUtilsTest(String name) {
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super(name);
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}
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//-----------------------------------------------------------------------
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@Test
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public void testConstructor() {
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assertNotNull(new ObjectUtils());
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Constructor<?>[] cons = ObjectUtils.class.getDeclaredConstructors();
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@ -53,6 +51,7 @@ public void testConstructor() {
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}
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//-----------------------------------------------------------------------
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@Test
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public void testIsNull() {
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Object o = FOO;
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Object dflt = BAR;
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@ -60,6 +59,7 @@ public void testIsNull() {
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assertSame("dflt was returned when o was not null", o, ObjectUtils.defaultIfNull(o, dflt));
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}
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@Test
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public void testFirstNonNull() {
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assertEquals(null, ObjectUtils.firstNonNull(null, null));
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assertEquals("", ObjectUtils.firstNonNull(null, ""));
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@ -78,6 +78,7 @@ public void testFirstNonNull() {
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}
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//-----------------------------------------------------------------------
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@Test
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public void testEquals() {
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assertTrue("ObjectUtils.equals(null, null) returned false", ObjectUtils.equals(null, null));
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assertTrue("ObjectUtils.equals(\"foo\", null) returned true", !ObjectUtils.equals(FOO, null));
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@ -86,6 +87,7 @@ public void testEquals() {
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assertTrue("ObjectUtils.equals(\"foo\", \"foo\") returned false", ObjectUtils.equals(FOO, FOO));
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}
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@Test
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public void testNotEqual() {
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assertFalse("ObjectUtils.notEqual(null, null) returned false", ObjectUtils.notEqual(null, null));
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assertTrue("ObjectUtils.notEqual(\"foo\", null) returned true", ObjectUtils.notEqual(FOO, null));
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@ -94,21 +96,25 @@ public void testNotEqual() {
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assertFalse("ObjectUtils.notEqual(\"foo\", \"foo\") returned false", ObjectUtils.notEqual(FOO, FOO));
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}
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@Test
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public void testHashCode() {
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assertEquals(0, ObjectUtils.hashCode(null));
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assertEquals("a".hashCode(), ObjectUtils.hashCode("a"));
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}
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@Test
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public void testHashCodeMulti_multiple_emptyArray() {
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Object[] array = new Object[0];
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assertEquals(1, ObjectUtils.hashCodeMulti(array));
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}
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@Test
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public void testHashCodeMulti_multiple_nullArray() {
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Object[] array = null;
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assertEquals(1, ObjectUtils.hashCodeMulti(array));
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}
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@Test
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public void testHashCodeMulti_multiple_likeList() {
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List<Object> list0 = new ArrayList<Object>(Arrays.asList());
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assertEquals(list0.hashCode(), ObjectUtils.hashCodeMulti());
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@ -164,6 +170,7 @@ public void testHashCodeMulti_multiple_likeList() {
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// //assertFalse("java.util.Date and java.sql.Timestamp should be equal", ObjectUtils.equals(date, timestamp));
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// }
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@Test
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public void testIdentityToString() {
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assertEquals(null, ObjectUtils.identityToString(null));
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assertEquals(
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@ -188,24 +195,26 @@ public void testIdentityToString() {
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}
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}
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@Test
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public void testToString_Object() {
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assertEquals("", ObjectUtils.toString((Object) null) );
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assertEquals(Boolean.TRUE.toString(), ObjectUtils.toString(Boolean.TRUE) );
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}
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@Test
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public void testToString_ObjectString() {
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assertEquals(BAR, ObjectUtils.toString((Object) null, BAR) );
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assertEquals(Boolean.TRUE.toString(), ObjectUtils.toString(Boolean.TRUE, BAR) );
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}
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@Test
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public void testNull() {
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assertNotNull(ObjectUtils.NULL);
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assertTrue(ObjectUtils.NULL instanceof ObjectUtils.Null);
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assertSame(ObjectUtils.NULL, SerializationUtils.clone(ObjectUtils.NULL));
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}
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@Test
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public void testMax() {
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Calendar calendar = Calendar.getInstance();
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Date nonNullComparable1 = calendar.getTime();
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@ -230,7 +239,8 @@ public void testMax() {
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assertNull( ObjectUtils.max((String)null, (String)null) );
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}
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@Test
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public void testMin() {
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Calendar calendar = Calendar.getInstance();
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Date nonNullComparable1 = calendar.getTime();
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@ -259,6 +269,7 @@ public void testMin() {
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/**
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* Tests {@link ObjectUtils#compare(Comparable, Comparable, boolean)}.
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*/
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@Test
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public void testCompare() {
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Integer one = Integer.valueOf(1);
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Integer two = Integer.valueOf(2);
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@ -280,6 +291,7 @@ public void testCompare() {
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/**
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* Tests {@link ObjectUtils#clone(Object)} with a cloneable object.
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*/
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@Test
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public void testCloneOfCloneable() {
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final CloneableString string = new CloneableString("apache");
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final CloneableString stringClone = ObjectUtils.clone(string);
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@ -289,6 +301,7 @@ public void testCloneOfCloneable() {
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/**
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* Tests {@link ObjectUtils#clone(Object)} with a not cloneable object.
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*/
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@Test
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public void testCloneOfNotCloneable() {
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final String string = new String("apache");
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assertNull(ObjectUtils.clone(string));
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@ -297,19 +310,21 @@ public void testCloneOfNotCloneable() {
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/**
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* Tests {@link ObjectUtils#clone(Object)} with an uncloneable object.
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*/
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public void testCloneOfUncloneable() {
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@Test(expected = NoSuchMethodException.class)
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public void testCloneOfUncloneable() throws Throwable {
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final UncloneableString string = new UncloneableString("apache");
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try {
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ObjectUtils.clone(string);
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fail("Thrown " + CloneFailedException.class.getName() + " expected");
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} catch (final CloneFailedException e) {
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assertEquals(NoSuchMethodException.class, e.getCause().getClass());
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throw e.getCause();
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}
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}
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/**
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* Tests {@link ObjectUtils#clone(Object)} with an object array.
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*/
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@Test
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public void testCloneOfStringArray() {
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assertTrue(Arrays.deepEquals(
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new String[]{"string"}, ObjectUtils.clone(new String[]{"string"})));
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@ -318,6 +333,7 @@ public void testCloneOfStringArray() {
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/**
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* Tests {@link ObjectUtils#clone(Object)} with an array of primitives.
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*/
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@Test
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public void testCloneOfPrimitiveArray() {
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assertTrue(Arrays.equals(new int[]{1}, ObjectUtils.clone(new int[]{1})));
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}
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@ -325,6 +341,7 @@ public void testCloneOfPrimitiveArray() {
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/**
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* Tests {@link ObjectUtils#cloneIfPossible(Object)} with a cloneable object.
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*/
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@Test
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public void testPossibleCloneOfCloneable() {
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final CloneableString string = new CloneableString("apache");
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final CloneableString stringClone = ObjectUtils.cloneIfPossible(string);
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@ -334,6 +351,7 @@ public void testPossibleCloneOfCloneable() {
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/**
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* Tests {@link ObjectUtils#cloneIfPossible(Object)} with a not cloneable object.
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*/
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@Test
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public void testPossibleCloneOfNotCloneable() {
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final String string = new String("apache");
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assertSame(string, ObjectUtils.cloneIfPossible(string));
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@ -342,13 +360,14 @@ public void testPossibleCloneOfNotCloneable() {
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/**
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* Tests {@link ObjectUtils#cloneIfPossible(Object)} with an uncloneable object.
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*/
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public void testPossibleCloneOfUncloneable() {
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@Test(expected = NoSuchMethodException.class)
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public void testPossibleCloneOfUncloneable() throws Throwable {
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final UncloneableString string = new UncloneableString("apache");
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try {
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ObjectUtils.cloneIfPossible(string);
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fail("Thrown " + CloneFailedException.class.getName() + " expected");
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} catch (final CloneFailedException e) {
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assertEquals(NoSuchMethodException.class, e.getCause().getClass());
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throw e.getCause();
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}
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}
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