diff options
Diffstat (limited to 'jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/CollectionToolsTests.java')
| -rw-r--r-- | jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/CollectionToolsTests.java | 2313 |
1 files changed, 0 insertions, 2313 deletions
diff --git a/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/CollectionToolsTests.java b/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/CollectionToolsTests.java deleted file mode 100644 index 39787aebc7..0000000000 --- a/jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/CollectionToolsTests.java +++ /dev/null @@ -1,2313 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2010 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.tests.internal; - -import java.lang.reflect.InvocationTargetException; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.Comparator; -import java.util.HashSet; -import java.util.Iterator; -import java.util.LinkedList; -import java.util.List; -import java.util.ListIterator; -import java.util.NoSuchElementException; -import java.util.Random; -import java.util.Set; -import java.util.SortedSet; -import java.util.TreeSet; -import java.util.Vector; -import junit.framework.TestCase; -import org.eclipse.jpt.utility.internal.Bag; -import org.eclipse.jpt.utility.internal.CollectionTools; -import org.eclipse.jpt.utility.internal.HashBag; -import org.eclipse.jpt.utility.internal.Range; -import org.eclipse.jpt.utility.internal.ReflectionTools; -import org.eclipse.jpt.utility.internal.ReverseComparator; -import org.eclipse.jpt.utility.internal.enumerations.EmptyEnumeration; -import org.eclipse.jpt.utility.internal.iterables.EmptyIterable; -import org.eclipse.jpt.utility.internal.iterators.ArrayIterator; -import org.eclipse.jpt.utility.internal.iterators.EmptyIterator; - -@SuppressWarnings("nls") -public class CollectionToolsTests extends TestCase { - - public CollectionToolsTests(String name) { - super(name); - } - - - // ********** add all ********** - - public void testAddAllCollectionIterable_StringModified() { - List<String> list1 = this.buildStringList1(); - Iterable<String> iterable2 = this.buildStringList2(); - assertTrue(CollectionTools.addAll(list1, iterable2.iterator())); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll(this.buildStringList2())); - } - - public void testAddAllCollectionIterable_StringUnmodified() { - Set<String> set1 = this.buildStringSet1(); - Iterable<String> iterable3 = this.buildStringList1(); // same elements as set1 - assertFalse(CollectionTools.addAll(set1, iterable3.iterator())); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll(this.buildStringList1())); - } - - public void testAddAllCollectionIterable_ObjectModified() { - List<Object> list1 = this.buildObjectList1(); - Iterable<String> iterable2 = this.buildStringList2(); - assertTrue(CollectionTools.addAll(list1, iterable2)); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll((List<String>) iterable2)); - } - - public void testAddAllCollectionIterable_ObjectUnmodified() { - Set<Object> set1 = this.buildObjectSet1(); - Iterable<String> iterable3 = this.buildStringList1(); // same elements as set1 - assertFalse(CollectionTools.addAll(set1, iterable3)); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll((List<String>) iterable3)); - } - - public void testAddAllCollectionIterable_EmptyIterable() { - Set<Object> set1 = this.buildObjectSet1(); - assertFalse(CollectionTools.addAll(set1, EmptyIterable.instance())); - assertEquals(3, set1.size()); - } - - public void testAddAllCollectionIterableInt_Modified() { - List<String> list1 = this.buildStringList1(); - List<String> list2 = this.buildStringList2(); - Iterable<String> iterable2 = list2; - assertTrue(CollectionTools.addAll(list1, iterable2, list2.size())); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll(this.buildStringList2())); - } - - public void testAddAllCollectionIterableInt_Unmodified() { - Set<String> set1 = this.buildStringSet1(); - List<String> list1 = this.buildStringList1(); // same elements as set1 - Iterable<String> iterable3 = list1; - assertFalse(CollectionTools.addAll(set1, iterable3, list1.size())); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll(this.buildStringList1())); - } - - public void testAddAllCollectionIterator_StringModified() { - List<String> list1 = this.buildStringList1(); - List<String> list2 = this.buildStringList2(); - assertTrue(CollectionTools.addAll(list1, list2.iterator())); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll(list2)); - } - - public void testAddAllCollectionIterator_StringUnmodified() { - Set<String> set1 = this.buildStringSet1(); - List<String> list3 = this.buildStringList1(); // same elements as s1 - assertFalse(CollectionTools.addAll(set1, list3.iterator())); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll(list3)); - } - - public void testAddAllCollectionIterator_ObjectModified() { - List<Object> list1 = this.buildObjectList1(); - List<String> list2 = this.buildStringList2(); - assertTrue(CollectionTools.addAll(list1, list2.iterator())); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll(list2)); - } - - public void testAddAllCollectionIterator_ObjectUnmodified() { - Set<Object> set1 = this.buildObjectSet1(); - List<String> list3 = this.buildStringList1(); // same elements as s1 - assertFalse(CollectionTools.addAll(set1, list3.iterator())); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll(list3)); - } - - public void testAddAllCollectionIterator_EmptyIterator() { - List<String> list1 = this.buildStringList1(); - assertFalse(CollectionTools.addAll(list1, EmptyIterator.<String>instance())); - assertEquals(3, list1.size()); - } - - public void testAddAllCollectionIteratorInt_Modified() { - List<String> list1 = this.buildStringList1(); - List<String> list2 = this.buildStringList2(); - assertTrue(CollectionTools.addAll(list1, list2.iterator(), 3)); - assertEquals(6, list1.size()); - assertTrue(list1.containsAll(list2)); - } - - public void testAddAllCollectionIteratorInt_Unmodified() { - Set<String> set1 = this.buildStringSet1(); - List<String> list3 = this.buildStringList1(); // same elements as s1 - assertFalse(CollectionTools.addAll(set1, list3.iterator(), 3)); - assertEquals(3, set1.size()); - assertTrue(set1.containsAll(list3)); - } - - public void testAddAllCollectionIteratorInt_EmptyIterator() { - List<String> list1 = this.buildStringList1(); - assertFalse(CollectionTools.addAll(list1, EmptyIterator.<String>instance(), 0)); - assertEquals(3, list1.size()); - } - - public void testAddAllCollectionObjectArray_StringModified() { - List<String> list = this.buildStringList1(); - String[] a = this.buildStringArray1(); - assertTrue(CollectionTools.addAll(list, a)); - assertEquals(6, list.size()); - assertTrue(list.containsAll(CollectionTools.collection(a))); - } - - public void testAddAllCollectionObjectArray_StringListEmptyArray() { - List<String> list = this.buildStringList1(); - assertFalse(CollectionTools.addAll(list, new String[0])); - } - - public void testAddAllCollectionObjectArray_StringUnmodified() { - Set<String> set = this.buildStringSet1(); - String[] a = this.buildStringArray1(); - assertFalse(CollectionTools.addAll(set, a)); - assertEquals(3, set.size()); - assertTrue(set.containsAll(CollectionTools.collection(a))); - - assertFalse(CollectionTools.addAll(set, new String[0])); - } - - public void testAddAllCollectionObjectArray_StringSetEmptyArray() { - Set<String> set = this.buildStringSet1(); - assertFalse(CollectionTools.addAll(set, new String[0])); - } - - public void testAddAllCollectionObjectArray_ObjectModified() { - List<Object> list = this.buildObjectList1(); - String[] a = this.buildStringArray1(); - - assertTrue(CollectionTools.addAll(list, a)); - assertEquals(6, list.size()); - assertTrue(list.containsAll(CollectionTools.collection(a))); - } - - public void testAddAllCollectionObjectArray_ObjectUnmodified() { - String[] a = this.buildStringArray1(); - Set<Object> set = this.buildObjectSet1(); - assertFalse(CollectionTools.addAll(set, a)); - assertEquals(3, set.size()); - assertTrue(set.containsAll(CollectionTools.collection(a))); - } - - public void testAddAllListIntObjectArray() { - List<String> list = this.buildStringList1(); - CollectionTools.addAll(list, 2, new String[] { "X", "X", "X" }); - assertEquals(6, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "X", "X", "X", "two" }, list.toArray())); - } - - public void testAddAllListIntObjectArray_Zero() { - List<String> list = new ArrayList<String>(); - CollectionTools.addAll(list, 0, new String[] { "X", "X", "X" }); - assertEquals(3, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "X", "X", "X" }, list.toArray())); - } - - public void testAddAllListIntObjectArray_EmptyArray() { - List<String> list = this.buildStringList1(); - CollectionTools.addAll(list, 2, new String[0]); - assertEquals(3, list.size()); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "two" }, list.toArray())); - } - - public void testAddAllListIntIterable() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = Arrays.asList(new String[] { "X", "X", "X" }); - CollectionTools.addAll(list, 2, iterable); - assertEquals(6, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "X", "X", "X", "two" }, list.toArray())); - } - - public void testAddAllListIntIterable_Zero() { - List<String> list = new ArrayList<String>(); - Iterable<String> iterable = Arrays.asList(new String[] { "X", "X", "X" }); - CollectionTools.addAll(list, 0, iterable); - assertEquals(3, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "X", "X", "X" }, list.toArray())); - } - - public void testAddAllListIntIterable_EmptyIterable() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = EmptyIterable.instance(); - CollectionTools.addAll(list, 2, iterable); - assertEquals(3, list.size()); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "two" }, list.toArray())); - } - - public void testAddAllListIntIterableInt() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = Arrays.asList(new String[] { "X", "X", "X" }); - CollectionTools.addAll(list, 2, iterable, 3); - assertEquals(6, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "X", "X", "X", "two" }, list.toArray())); - } - - public void testAddAllListIntIterableInt_Zero() { - List<String> list = new ArrayList<String>(); - Iterable<String> iterable = Arrays.asList(new String[] { "X", "X", "X" }); - CollectionTools.addAll(list, 0, iterable, 3); - assertEquals(3, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "X", "X", "X" }, list.toArray())); - } - - public void testAddAllListIntIterableInt_EmptyIterable() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = EmptyIterable.instance(); - CollectionTools.addAll(list, 2, iterable, 0); - assertEquals(3, list.size()); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "two" }, list.toArray())); - } - - public void testAddAllListIntIterator() { - List<String> list = this.buildStringList1(); - Iterator<String> iterator = Arrays.asList(new String[] { "X", "X", "X" }).iterator(); - CollectionTools.addAll(list, 2, iterator); - assertEquals(6, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "X", "X", "X", "two" }, list.toArray())); - } - - public void testAddAllListIntIterator_Zero() { - List<String> list = new ArrayList<String>(); - Iterator<String> iterator = Arrays.asList(new String[] { "X", "X", "X" }).iterator(); - CollectionTools.addAll(list, 0, iterator); - assertEquals(3, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "X", "X", "X" }, list.toArray())); - } - - public void testAddAllListIntIterator_EmptyIterator() { - List<String> list = this.buildStringList1(); - Iterator<String> iterator = EmptyIterator.instance(); - CollectionTools.addAll(list, 2, iterator); - assertEquals(3, list.size()); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "two" }, list.toArray())); - } - - public void testAddAllListIntIteratorInt() { - List<String> list = this.buildStringList1(); - Iterator<String> iterator = Arrays.asList(new String[] { "X", "X", "X" }).iterator(); - CollectionTools.addAll(list, 2, iterator, 3); - assertEquals(6, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "X", "X", "X", "two" }, list.toArray())); - } - - public void testAddAllListIntIteratorInt_Zero() { - List<String> list = new ArrayList<String>(); - Iterator<String> iterator = Arrays.asList(new String[] { "X", "X", "X" }).iterator(); - CollectionTools.addAll(list, 0, iterator, 3); - assertEquals(3, list.size()); - assertTrue(list.contains("X")); - assertTrue(Arrays.equals(new Object[] { "X", "X", "X" }, list.toArray())); - } - - public void testAddAllListIntIteratorInt_EmptyIterator() { - List<String> list = this.buildStringList1(); - Iterator<String> iterator = EmptyIterator.instance(); - CollectionTools.addAll(list, 2, iterator, 0); - assertEquals(3, list.size()); - assertTrue(Arrays.equals(new Object[] { "zero", "one", "two" }, list.toArray())); - } - - - // ********** bag ********** - - public void testBagEnumeration_String() { - Bag<String> b = CollectionTools.bag(this.buildStringVector1().elements()); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringVector1())); - } - - public void testBagEnumeration_Object() { - Bag<Object> b = CollectionTools.<Object>bag(this.buildStringVector1().elements()); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringVector1())); - } - - public void testBagEnumeration_Empty() { - Bag<Object> b = CollectionTools.<Object>bag(EmptyEnumeration.instance()); - assertEquals(0, b.size()); - } - - public void testBagEnumerationInt() { - Bag<String> b = CollectionTools.bag(this.buildStringVector1().elements(), 3); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringVector1())); - } - - public void testBagEnumerationInt_Empty() { - Bag<String> b = CollectionTools.bag(EmptyEnumeration.<String>instance(), 3); - assertEquals(0, b.size()); - } - - public void testBagIterable() { - Iterable<String> iterable = this.buildStringList1(); - Bag<String> b = CollectionTools.bag(iterable); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringList1())); - } - - public void testBagIterableInt() { - Iterable<String> iterable = this.buildStringList1(); - Bag<String> b = CollectionTools.bag(iterable, 3); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringList1())); - } - - public void testBagIterator_String() { - Bag<String> b = CollectionTools.bag(this.buildStringList1().iterator()); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringList1())); - } - - public void testBagIterator_StringObject() { - Collection<String> c = new ArrayList<String>(); - c.add("zero"); - c.add("one"); - c.add("two"); - c.add("three"); - Bag<Object> b = CollectionTools.<Object>bag(c.iterator()); - assertEquals(4, b.size()); - assertTrue(b.containsAll(c)); - } - - public void testBagIterator_Empty() { - Bag<String> b = CollectionTools.bag(EmptyIterator.<String>instance()); - assertEquals(0, b.size()); - } - - public void testBagIteratorInt() { - Bag<String> b = CollectionTools.bag(this.buildStringList1().iterator(), 3); - assertEquals(3, b.size()); - assertTrue(b.containsAll(this.buildStringList1())); - } - - public void testBagIteratorInt_Empty() { - Bag<String> b = CollectionTools.bag(EmptyIterator.<String>instance(), 3); - assertEquals(0, b.size()); - } - - public void testBagObjectArray() { - Bag<String> b = CollectionTools.bag(this.buildStringArray1()); - assertEquals(3, b.size()); - assertTrue(CollectionTools.containsAll(b, (Object[]) this.buildStringArray1())); - } - - public void testBagObjectArray_Vararg() { - Bag<String> b = CollectionTools.bag("foo", "bar", "baz"); - assertEquals(3, b.size()); - assertTrue(CollectionTools.containsAll(b, new Object[]{"foo", "bar", "baz"})); - } - - public void testBagObjectArray_Empty() { - Bag<String> b = CollectionTools.bag(Bag.Empty.<String>instance()); - assertEquals(0, b.size()); - } - - - // ********** collection ********** - - public void testCollectionEnumeration() { - Collection<String> c = CollectionTools.collection(this.buildStringVector1().elements()); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringVector1())); - } - - public void testCollectionEnumeration_ObjectString() { - Collection<Object> c = CollectionTools.<Object>collection(this.buildStringVector1().elements()); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringVector1())); - } - - public void testCollectionEnumerationInt() { - Collection<String> c = CollectionTools.collection(this.buildStringVector1().elements(), 3); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringVector1())); - } - - public void testCollectionIterable() { - Iterable<String> iterable = this.buildStringList1(); - Collection<String> c = CollectionTools.collection(iterable); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringList1())); - } - - public void testCollectionIterableInt() { - Iterable<String> iterable = this.buildStringList1(); - Collection<String> c = CollectionTools.collection(iterable, 3); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringList1())); - } - - public void testCollectionIterator() { - Collection<String> c = CollectionTools.collection(this.buildStringList1().iterator()); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringList1())); - } - - public void testCollectionIterator_ObjectString() { - Collection<Object> c = CollectionTools.<Object>collection(this.buildStringList1().iterator()); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringList1())); - } - - public void testCollectionIteratorInt() { - Collection<String> c = CollectionTools.collection(this.buildStringList1().iterator(), 3); - assertEquals(3, c.size()); - assertTrue(c.containsAll(this.buildStringList1())); - } - - public void testCollectionObjectArray() { - Collection<String> c = CollectionTools.collection(this.buildStringArray1()); - assertEquals(3, c.size()); - assertTrue(CollectionTools.containsAll(c, (Object[]) this.buildStringArray1())); - } - - - // ********** contains ********** - - public void testContainsEnumerationObject_String() { - Vector<String> v = this.buildStringVector1(); - assertTrue(CollectionTools.contains(v.elements(), "one")); - assertFalse(CollectionTools.contains(v.elements(), null)); - v.add(null); - assertTrue(CollectionTools.contains(v.elements(), null)); - } - - public void testContainsEnumerationObject_Object() { - Vector<Object> c = new Vector<Object>(); - c.add("zero"); - c.add("one"); - c.add("two"); - c.add("three"); - String one = "one"; - assertTrue(CollectionTools.contains(c.elements(), one)); - assertFalse(CollectionTools.contains(c.elements(), null)); - c.add(null); - assertTrue(CollectionTools.contains(c.elements(), null)); - } - - public void testContainsIterableObject() { - Collection<String> c = this.buildStringList1(); - Iterable<String> iterable = c; - assertTrue(CollectionTools.contains(iterable, "one")); - assertFalse(CollectionTools.contains(iterable, null)); - c.add(null); - assertTrue(CollectionTools.contains(iterable, null)); - } - - public void testContainsIteratorObject_String() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.contains(c.iterator(), "one")); - assertFalse(CollectionTools.contains(c.iterator(), null)); - c.add(null); - assertTrue(CollectionTools.contains(c.iterator(), null)); - } - - public void testContainsIteratorObject_Object() { - Collection<Object> c = new HashBag<Object>(); - c.add("zero"); - c.add("one"); - c.add("two"); - c.add("three"); - String one = "one"; - assertTrue(CollectionTools.contains(c.iterator(), one)); - assertFalse(CollectionTools.contains(c.iterator(), null)); - c.add(null); - assertTrue(CollectionTools.contains(c.iterator(), null)); - } - - - // ********** contains all ********** - - public void testContainsAllCollectionIterable() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(this.buildStringList1(), iterable)); - } - - public void testContainsAllCollectionIterator_String() { - assertTrue(CollectionTools.containsAll(this.buildStringList1(), this.buildStringList1().iterator())); - } - - public void testContainsAllCollectionIterator_Object() { - Collection<Object> c1 = new ArrayList<Object>(); - c1.add("zero"); - c1.add("one"); - c1.add("two"); - Collection<String> c2 = new ArrayList<String>(); - c2.add("two"); - c2.add("zero"); - c2.add("one"); - assertTrue(CollectionTools.containsAll(c1, c2.iterator())); - } - - public void testContainsAllCollectionObjectArray_StringObject() { - assertTrue(CollectionTools.containsAll(this.buildStringList1(), this.buildObjectArray1())); - } - - public void testContainsAllCollectionObjectArray() { - Object[] a = new Object[] { "zero", "one", "two" }; - assertTrue(CollectionTools.containsAll(this.buildStringList1(), a)); - } - - public void testContainsAllIterableCollection() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, this.buildStringList1())); - } - - public void testContainsAllIterableIntCollection() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, 3, this.buildStringList1())); - } - - public void testContainsAllIterableIterable() { - Iterable<String> iterable1 = this.buildStringList1(); - Iterable<String> iterable2 = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable1, iterable2)); - } - - public void testContainsAllIterableIntIterable() { - Iterable<String> iterable1 = this.buildStringList1(); - Iterable<String> iterable2 = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable1, 3, iterable2)); - } - - public void testContainsAllIterableIterator() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, this.buildStringList1().iterator())); - } - - public void testContainsAllIterableIntIterator() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, 3, this.buildStringList1().iterator())); - } - - public void testContainsAllIterableObjectArray() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, this.buildObjectArray1())); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.containsAll(iterable, this.buildObjectArray1())); - } - - public void testContainsAllIterableIntObjectArray() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(iterable, 3, this.buildObjectArray1())); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.containsAll(iterable, 3, this.buildObjectArray1())); - } - - public void testContainsAllIteratorCollection_StringString() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildStringList1())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildStringList2())); - } - - public void testContainsAllIteratorCollection_ObjectString() { - Collection<Object> c1 = new ArrayList<Object>(); - c1.add("zero"); - c1.add("one"); - c1.add("two"); - Collection<String> c2 = new ArrayList<String>(); - c2.add("zero"); - c2.add("one"); - c2.add("two"); - assertTrue(CollectionTools.containsAll(c1.iterator(), c2)); - } - - public void testContainsAllIteratorIntCollection() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), 5, this.buildStringList1())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), 5, this.buildStringList2())); - } - - public void testContainsAllIteratorIterable() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), iterable)); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), iterable)); - } - - public void testContainsAllIteratorIntIterable() { - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, iterable)); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, iterable)); - } - - public void testContainsAllIteratorIterator_StringString() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildStringList1().iterator())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildStringList2().iterator())); - } - - public void testContainsAllIteratorIterator_ObjectString() { - Collection<Object> c1 = new ArrayList<Object>(); - c1.add("zero"); - c1.add("one"); - c1.add("two"); - Collection<String> c2 = new ArrayList<String>(); - c2.add("zero"); - c2.add("one"); - c2.add("two"); - assertTrue(CollectionTools.containsAll(c1.iterator(), c2.iterator())); - } - - public void testContainsAllIteratorIntIterator() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, this.buildStringList1().iterator())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, this.buildStringList2().iterator())); - } - - public void testContainsAllIteratorObjectArray() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildObjectArray1())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), this.buildObjectArray2())); - } - - public void testContainsAllIteratorIntObjectArray() { - assertTrue(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, this.buildObjectArray1())); - assertFalse(CollectionTools.containsAll(this.buildStringList1().iterator(), 3, this.buildObjectArray2())); - } - - - // ********** diff ********** - - public void testDiffEndListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add(new String("a")); - list2.add(new String("b")); - list2.add(new String("c")); - assertEquals(-1, CollectionTools.diffEnd(list1, list2)); - } - - public void testDiffRangeListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add(new String("a")); - list2.add(new String("b")); - list2.add(new String("c")); - assertEquals(new Range(3, -1), CollectionTools.diffRange(list1, list2)); - } - - public void testDiffStartListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add(new String("a")); - list2.add(new String("b")); - list2.add(new String("c")); - assertEquals(3, CollectionTools.diffStart(list1, list2)); - } - - - // ********** identity diff ********** - - public void testIdentityDiffEndListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add("a"); - list2.add("b"); - list2.add("c"); - assertEquals(-1, CollectionTools.identityDiffEnd(list1, list2)); - } - - public void testIdentityDiffRangeListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add("a"); - list2.add("b"); - list2.add("c"); - assertEquals(new Range(3, -1), CollectionTools.identityDiffRange(list1, list2)); - } - - public void testIdentityDiffStartListList() { - List<String> list1 = new ArrayList<String>(); - list1.add("a"); - list1.add("b"); - list1.add("c"); - List<String> list2 = new ArrayList<String>(); - list2.add("a"); - list2.add("b"); - list2.add("c"); - assertEquals(3, CollectionTools.identityDiffStart(list1, list2)); - } - - - // ********** elements are equal ********** - - public void testElementsAreDifferentIterableIterable() { - List<String> list1 = new ArrayList<String>(); - list1.add("1000"); - list1.add("2000"); - list1.add("3000"); - list1.add("4000"); - - List<String> list2 = new ArrayList<String>(); - - assertTrue(CollectionTools.elementsAreDifferent(list1, list2)); - assertFalse(CollectionTools.elementsAreEqual(list1, list2)); - } - - public void testElementsAreDifferentIteratorIterator() { - List<String> list1 = new ArrayList<String>(); - list1.add("1000"); - list1.add("2000"); - list1.add("3000"); - list1.add("4000"); - - List<String> list2 = new ArrayList<String>(); - - assertTrue(CollectionTools.elementsAreDifferent(list1.iterator(), list2.iterator())); - assertFalse(CollectionTools.elementsAreEqual(list1, list2)); - } - - public void testElementsAreEqualIterableIterable() { - List<String> list1 = new ArrayList<String>(); - list1.add("1000"); - list1.add("2000"); - list1.add("3000"); - list1.add("4000"); - - List<String> list2 = new ArrayList<String>(); - for (int i = 0; i < list1.size(); i++) { - list2.add(String.valueOf((i + 1) * 1000)); - } - assertFalse(CollectionTools.elementsAreIdentical(list1, list2)); - assertFalse(CollectionTools.elementsAreDifferent(list1, list2)); - assertTrue(CollectionTools.elementsAreEqual(list1, list2)); - } - - public void testElementsAreEqualIteratorIterator() { - List<String> list1 = new ArrayList<String>(); - list1.add("1000"); - list1.add("2000"); - list1.add("3000"); - list1.add("4000"); - - List<String> list2 = new ArrayList<String>(); - for (int i = 0; i < list1.size(); i++) { - list2.add(String.valueOf((i + 1) * 1000)); - } - assertFalse(CollectionTools.elementsAreIdentical(list1.iterator(), list2.iterator())); - assertFalse(CollectionTools.elementsAreDifferent(list1.iterator(), list2.iterator())); - assertTrue(CollectionTools.elementsAreEqual(list1.iterator(), list2.iterator())); - } - - - // ********** elements are identical ********** - - public void testElementsAreIdenticalIterableIterable() { - List<String> list1 = new ArrayList<String>(); - list1.add("0"); - list1.add("1"); - list1.add("2"); - list1.add("3"); - Iterable<String> iterable1 = list1; - - List<String> list2 = new ArrayList<String>(); - for (String s : list1) { - list2.add(s); - } - Iterable<String> iterable2 = list2; - assertTrue(CollectionTools.elementsAreIdentical(iterable1, iterable2)); - assertTrue(CollectionTools.elementsAreEqual(iterable1, iterable2)); - } - - public void testElementsAreIdenticalIteratorIterator() { - List<String> list1 = new ArrayList<String>(); - list1.add("0"); - list1.add("1"); - list1.add("2"); - list1.add("3"); - - List<String> list2 = new ArrayList<String>(); - for (String s : list1) { - list2.add(s); - } - assertTrue(CollectionTools.elementsAreIdentical(list1.iterator(), list2.iterator())); - assertTrue(CollectionTools.elementsAreEqual(list1.iterator(), list2.iterator())); - } - - public void testElementsAreIdenticalIteratorIterator_Not() { - List<String> list1 = new ArrayList<String>(); - list1.add("0"); - list1.add("1"); - list1.add("2"); - list1.add("3"); - - List<String> list2 = new ArrayList<String>(); - for (String s : list1) { - list2.add(s); - } - list2.remove(0); - assertFalse(CollectionTools.elementsAreIdentical(list1.iterator(), list2.iterator())); - assertFalse(CollectionTools.elementsAreEqual(list1.iterator(), list2.iterator())); - } - - public void testElementsAreIdenticalIteratorIterator_DifferentSizes() { - List<String> list1 = new ArrayList<String>(); - list1.add("0"); - list1.add("1"); - list1.add("2"); - list1.add("3"); - - List<String> list2 = new ArrayList<String>(); - for (String s : list1) { - list2.add(s); - } - list2.remove(3); - assertFalse(CollectionTools.elementsAreIdentical(list1.iterator(), list2.iterator())); - assertFalse(CollectionTools.elementsAreEqual(list1.iterator(), list2.iterator())); - } - - - // ********** get ********** - - public void testGetIterableInt() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = list; - String o = CollectionTools.get(iterable, 1); - assertEquals("one", o); - list.add(null); - o = CollectionTools.get(iterable, 3); - assertNull(o); - } - - public void testGetIteratorInt1() { - List<String> list = this.buildStringList1(); - String o = CollectionTools.get(list.iterator(), 1); - assertEquals("one", o); - list.add(null); - o = CollectionTools.get(list.iterator(), list.size() - 1); - assertNull(o); - } - - public void testGetIteratorInt2() { - List<String> list = this.buildStringList1(); - boolean exCaught = false; - try { - CollectionTools.get(list.iterator(), list.size()); - fail(); - } catch (IndexOutOfBoundsException ex) { - exCaught = true; - } - assertTrue(exCaught); - } - - - // ********** hash code ********** - - public void testHashCodeIterable1() { - Iterable<String> iterable = null; - assertEquals(0, CollectionTools.hashCode(iterable)); - } - - public void testHashCodeIterable2() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = list; - int hashCode = CollectionTools.hashCode(iterable); - assertEquals(list.hashCode(), hashCode); - - list.add(null); - hashCode = CollectionTools.hashCode(iterable); - assertEquals(list.hashCode(), hashCode); - } - - - // ********** index of ********** - - public void testIndexOfIterableObject_String() { - Iterable<String> iterable = this.buildStringList1(); - assertEquals(1, CollectionTools.indexOf(iterable, "one")); - } - - public void testIndexOfIteratorObject_String() { - List<String> list = this.buildStringList1(); - assertEquals(1, CollectionTools.indexOf(list.iterator(), "one")); - } - - public void testIndexOfIteratorObject_String_Not() { - List<String> list = this.buildStringList1(); - assertEquals(-1, CollectionTools.indexOf(list.iterator(), null)); - assertEquals(-1, CollectionTools.indexOf(list.iterator(), "shazam")); - } - - public void testIndexOfIteratorObject_Null() { - List<String> list = this.buildStringList1(); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.indexOf(list.iterator(), null)); - } - - public void testIndexOfIteratorObject_Object() { - List<Object> list = new ArrayList<Object>(); - list.add("0"); - list.add("1"); - list.add("2"); - list.add("3"); - - String one = "1"; - assertEquals(1, CollectionTools.indexOf(list.iterator(), one)); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.indexOf(list.iterator(), null)); - } - - - // ********** insertion index of ********** - - public void testInsertionIndexOfListComparable() { - List<String> list = Arrays.asList(new String[] { "A", "C", "D" }); - assertEquals(1, CollectionTools.insertionIndexOf(list, "B")); - - list = Arrays.asList(new String[] { "A", "B", "C", "D" }); - assertEquals(2, CollectionTools.insertionIndexOf(list, "B")); - - list = Arrays.asList(new String[] { "A", "B", "B", "B", "C", "D" }); - assertEquals(4, CollectionTools.insertionIndexOf(list, "B")); - - list = Arrays.asList(new String[] { "A", "B", "B", "B", "C", "D" }); - assertEquals(6, CollectionTools.insertionIndexOf(list, "E")); - - list = Arrays.asList(new String[] { "B", "B", "B", "C", "D" }); - assertEquals(0, CollectionTools.insertionIndexOf(list, "A")); - - list = Arrays.asList(new String[] { "A", "A", "B", "B", "C", "D" }); - assertEquals(2, CollectionTools.insertionIndexOf(list, "A")); - } - - public void testInsertionIndexOfListObjectComparator() { - Comparator<String> c = new ReverseComparator<String>(); - List<String> list = Arrays.asList(new String[] { "D", "C", "A" }); - assertEquals(2, CollectionTools.insertionIndexOf(list, "B", c)); - - list = Arrays.asList(new String[] { "D", "C", "B", "A" }); - assertEquals(3, CollectionTools.insertionIndexOf(list, "B", c)); - - list = Arrays.asList(new String[] { "D", "C", "B", "B", "B", "A" }); - assertEquals(5, CollectionTools.insertionIndexOf(list, "B", c)); - - list = Arrays.asList(new String[] { "D", "C", "B", "B", "B", "A" }); - assertEquals(0, CollectionTools.insertionIndexOf(list, "E", c)); - - list = Arrays.asList(new String[] { "D", "C", "B", "B", "B" }); - assertEquals(5, CollectionTools.insertionIndexOf(list, "A", c)); - - list = Arrays.asList(new String[] { "D", "C", "B", "B", "A", "A" }); - assertEquals(6, CollectionTools.insertionIndexOf(list, "A", c)); - } - - - // ********** is empty ********** - - public void testIsEmptyIterable() { - assertFalse(CollectionTools.isEmpty(buildObjectList1())); - assertTrue(CollectionTools.isEmpty(EmptyIterable.instance())); - } - - public void testIsEmptyIterator() { - assertFalse(CollectionTools.isEmpty(buildObjectList1().iterator())); - assertTrue(CollectionTools.isEmpty(EmptyIterator.instance())); - } - - - // ********** iterable/iterator ********** - - public void testIterableObjectArray() { - String[] strings = this.buildStringArray1(); - int i = 0; - for (String string : CollectionTools.iterable(strings)) { - assertEquals(strings[i++], string); - } - } - - public void testIteratorObjectArray() { - String[] a = this.buildStringArray1(); - int i = 0; - for (Iterator<String> stream = CollectionTools.iterator(a); stream.hasNext(); i++) { - assertEquals(a[i], stream.next()); - } - } - - - // ********** last ********** - - public void testLastIterable1() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = list; - assertEquals("two", CollectionTools.last(iterable)); - list.add(null); - assertEquals(null, CollectionTools.last(iterable)); - } - - public void testLastIterable2() { - Iterable<String> iterable = new ArrayList<String>(); - boolean exCaught = false; - try { - CollectionTools.last(iterable); - fail(); - } catch (NoSuchElementException ex) { - exCaught = true; - } - assertTrue(exCaught); - } - - public void testLastIterator1() { - List<String> list = this.buildStringList1(); - assertEquals("two", CollectionTools.last(list.iterator())); - list.add(null); - assertEquals(null, CollectionTools.last(list.iterator())); - } - - public void testLastIterator2() { - List<String> list = new ArrayList<String>(); - boolean exCaught = false; - try { - CollectionTools.last(list.iterator()); - fail(); - } catch (NoSuchElementException ex) { - exCaught = true; - } - assertTrue(exCaught); - } - - - // ********** last index of ********** - - public void testLastIndexOfIterableObject() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = list; - assertEquals(1, CollectionTools.lastIndexOf(iterable, "one")); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.lastIndexOf(iterable, null)); - } - - public void testLastIndexOfIterableIntObject() { - List<String> list = this.buildStringList1(); - Iterable<String> iterable = list; - assertEquals(1, CollectionTools.lastIndexOf(iterable, 23, "one")); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.lastIndexOf(iterable, 42, null)); - } - - public void testLastIndexOfIteratorObject() { - List<String> list = this.buildStringList1(); - assertEquals(1, CollectionTools.lastIndexOf(list.iterator(), "one")); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.lastIndexOf(list.iterator(), null)); - } - - public void testLastIndexOfIteratorObject_Empty() { - assertEquals(-1, CollectionTools.lastIndexOf(EmptyIterator.instance(), "foo")); - } - - public void testLastIndexOfIteratorIntObject() { - List<String> list = this.buildStringList1(); - assertEquals(1, CollectionTools.lastIndexOf(list.iterator(), 3, "one")); - list.add(null); - assertEquals(list.size() - 1, CollectionTools.lastIndexOf(list.iterator(), 4, null)); - } - - public void testLastIndexOfIteratorIntObject_Empty() { - assertEquals(-1, CollectionTools.lastIndexOf(EmptyIterator.instance(), 42, "foo")); - } - - - // ********** list ********** - - public void testListIterable() { - Iterable<String> iterable = this.buildStringList1(); - assertEquals(this.buildStringList1(), CollectionTools.list(iterable)); - } - - public void testListIterableInt() { - Iterable<String> iterable = this.buildStringList1(); - assertEquals(this.buildStringList1(), CollectionTools.list(iterable, 3)); - } - - public void testListIterator_String() { - List<String> list = CollectionTools.list(this.buildStringList1().iterator()); - assertEquals(this.buildStringList1(), list); - } - - public void testListIterator_StringObject() { - List<String> list1 = new ArrayList<String>(); - list1.add("0"); - list1.add("1"); - list1.add("2"); - list1.add("3"); - - List<Object> list2 = CollectionTools.<Object>list(list1.iterator()); - assertEquals(list1, list2); - } - - public void testListIterator_Empty() { - assertEquals(0, CollectionTools.list(EmptyIterator.instance()).size()); - } - - public void testListIteratorInt() { - List<String> list = CollectionTools.list(this.buildStringList1().iterator(), 3); - assertEquals(this.buildStringList1(), list); - } - - public void testListIteratorInt_Empty() { - assertEquals(0, CollectionTools.list(EmptyIterator.instance(), 5).size()); - } - - public void testListObjectArray() { - List<String> list = CollectionTools.list(this.buildStringArray1()); - assertEquals(this.buildStringList1(), list); - } - - public void testListIteratorObjectArray() { - String[] a = this.buildStringArray1(); - int i = 0; - for (ListIterator<String> stream = CollectionTools.listIterator(a); stream.hasNext(); i++) { - assertEquals(a[i], stream.next()); - } - } - - public void testListIteratorObjectArrayInt() { - String[] a = this.buildStringArray1(); - int i = 1; - for (ListIterator<String> stream = CollectionTools.listIterator(a, 1); stream.hasNext(); i++) { - assertEquals(a[i], stream.next()); - } - } - - - // ********** move ********** - - public void testMoveListIntIntRandomAccess() { - List<String> list = new ArrayList<String>(); - CollectionTools.addAll(list, new String[] { "0", "1", "2", "3", "4", "5" }); - - List<String> result = CollectionTools.move(list, 4, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "1", "3", "4", "2", "5" }, result.toArray())); - - result = CollectionTools.move(list, 0, 5); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "1", "3", "4", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - } - - public void testMoveListIntIntSequentialAccess() { - List<String> list = new LinkedList<String>(); - CollectionTools.addAll(list, new String[] { "0", "1", "2", "3", "4", "5" }); - - List<String> result = CollectionTools.move(list, 4, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "1", "3", "4", "2", "5" }, result.toArray())); - - result = CollectionTools.move(list, 0, 5); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "1", "3", "4", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - } - - public void testMoveListIntIntIntRandomAccess() { - List<String> list = new ArrayList<String>(Arrays.asList(new String[] { "0", "1", "2", "3", "4", "5" })); - - List<String> result = CollectionTools.move(list, 4, 2, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "1", "3", "4", "2", "5" }, result.toArray())); - - result = CollectionTools.move(list, 0, 5, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "1", "3", "4", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 0, 1, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "3", "2", "4", "5", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 0, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 1, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 0, 0); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - } - - public void testMoveListIntIntIntSequentialAccess() { - List<String> list = new LinkedList<String>(Arrays.asList(new String[] { "0", "1", "2", "3", "4", "5" })); - - List<String> result = CollectionTools.move(list, 4, 2, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "1", "3", "4", "2", "5" }, result.toArray())); - - result = CollectionTools.move(list, 0, 5, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "1", "3", "4", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4, 1); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "4", "1", "3", "2" }, result.toArray())); - - result = CollectionTools.move(list, 2, 4, 2); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 0, 1, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "0", "3", "2", "4", "5", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 0, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 1, 4); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - - result = CollectionTools.move(list, 1, 0, 0); - assertSame(list, result); // the array is modified in place and returned - assertTrue(Arrays.equals(new String[] { "5", "0", "3", "2", "4", "1" }, result.toArray())); - } - - - // ********** remove all ********** - - public void testRemoveAllCollectionIterable() { - Collection<String> c = this.buildStringList1(); - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.removeAll(c, iterable)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - - c = this.buildStringList1(); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.removeAll(c, iterable)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - } - - public void testRemoveAllCollectionIterableInt() { - Collection<String> c = this.buildStringList1(); - Iterable<String> iterable = this.buildStringList1(); - assertTrue(CollectionTools.removeAll(c, iterable, 4)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - - c = this.buildStringList1(); - iterable = this.buildStringList2(); - assertFalse(CollectionTools.removeAll(c, iterable, 55)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - } - - public void testRemoveAllCollectionIterator_Empty() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.removeAll(c, this.buildStringList1().iterator())); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, this.buildStringList2().iterator())); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, EmptyIterator.instance())); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - } - - public void testRemoveAllCollectionIteratorInt_Empty() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.removeAll(c, this.buildStringList1().iterator(), 5)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, this.buildStringList2().iterator(), 5)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, EmptyIterator.instance(), 0)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - } - - public void testRemoveAllCollectionIterator_Duplicates() { - Collection<String> c = new ArrayList<String>(); - c.add("a"); - c.add("a"); - c.add("b"); - c.add("c"); - c.add("d"); - c.add("d"); - String[] a = new String[] { "a", "d" }; - Iterator<String> iterator = new ArrayIterator<String>(a); - assertTrue(CollectionTools.removeAll(c, iterator)); - assertEquals(2, c.size()); - assertFalse(c.contains("a")); - assertTrue(c.contains("b")); - assertTrue(c.contains("c")); - assertFalse(c.contains("d")); - - iterator = new ArrayIterator<String>(a); - assertFalse(CollectionTools.removeAll(c, iterator)); - } - - public void testRemoveAllCollectionIterator_ObjectString() { - Collection<Object> c = new ArrayList<Object>(); - c.add("a"); - c.add("a"); - c.add("b"); - c.add("c"); - c.add("d"); - c.add("d"); - String[] a = new String[] { "a", "d" }; - Iterator<String> iterator = new ArrayIterator<String>(a); - assertTrue(CollectionTools.removeAll(c, iterator)); - assertEquals(2, c.size()); - assertFalse(c.contains("a")); - assertTrue(c.contains("b")); - assertTrue(c.contains("c")); - assertFalse(c.contains("d")); - - iterator = new ArrayIterator<String>(a); - assertFalse(CollectionTools.removeAll(c, iterator)); - } - - public void testRemoveAllCollectionObjectArray_Empty() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.removeAll(c, this.buildObjectArray1())); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, this.buildObjectArray2())); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - c = this.buildStringList1(); - assertFalse(CollectionTools.removeAll(c, new Object[0])); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - } - - public void testRemoveAllCollectionObjectArray_Duplicates() { - Collection<String> c = new ArrayList<String>(); - c.add("a"); - c.add("a"); - c.add("b"); - c.add("c"); - c.add("d"); - c.add("d"); - String[] a = new String[] { "a", "d" }; - assertTrue(CollectionTools.removeAll(c, (Object[]) a)); - assertEquals(2, c.size()); - assertFalse(c.contains("a")); - assertTrue(c.contains("b")); - assertTrue(c.contains("c")); - assertFalse(c.contains("d")); - - assertFalse(CollectionTools.removeAll(c,(Object[]) a)); - } - - public void testRemoveAllCollectionObjectArray_MoreDuplicates() { - Collection<String> c = new ArrayList<String>(); - c.add("a"); - c.add("b"); - c.add("c"); - c.add("d"); - c.add("a"); - c.add("d"); - c.add("d"); - c.add("a"); - c.add("c"); - String[] a = new String[] { "a", "d" }; - assertTrue(CollectionTools.removeAll(c, (Object[]) a)); - assertEquals(3, c.size()); - assertFalse(c.contains("a")); - assertTrue(c.contains("b")); - assertTrue(c.contains("c")); - assertFalse(c.contains("d")); - - assertFalse(CollectionTools.removeAll(c, (Object[]) a)); - } - - - // ********** remove all occurrences ********** - - public void testRemoveAllOccurrencesCollectionObject() { - Collection<String> c = this.buildStringList1(); - assertEquals(3, c.size()); - assertFalse(CollectionTools.removeAllOccurrences(c, "three")); - assertTrue(CollectionTools.removeAllOccurrences(c, "two")); - assertFalse(CollectionTools.removeAllOccurrences(c, "two")); - assertEquals(2, c.size()); - - c.add("five"); - c.add("five"); - c.add("five"); - assertEquals(5, c.size()); - assertTrue(CollectionTools.removeAllOccurrences(c, "five")); - assertFalse(CollectionTools.removeAllOccurrences(c, "five")); - assertEquals(2, c.size()); - - c.add(null); - c.add(null); - c.add(null); - assertEquals(5, c.size()); - assertTrue(CollectionTools.removeAllOccurrences(c, null)); - assertFalse(CollectionTools.removeAllOccurrences(c, null)); - assertEquals(2, c.size()); - } - - - // ********** remove elements at index ********** - - public void testRemoveElementsAtIndexListIntInt() { - List<String> list = new ArrayList<String>(Arrays.asList(new String[] { "A", "B", "A", "C", "A", "D" })); - List<String> removed = CollectionTools.removeElementsAtIndex(list, 3, 2); - assertTrue(Arrays.equals(new String[] { "A", "B", "A", "D" }, list.toArray())); - assertTrue(Arrays.equals(new String[] { "C", "A" }, removed.toArray())); - - list = new ArrayList<String>(Arrays.asList(new String[] { "A", "B", "C", "D", "E", "F" })); - removed = CollectionTools.removeElementsAtIndex(list, 3, 3); - assertTrue(Arrays.equals(new String[] { "A", "B", "C" }, list.toArray())); - assertTrue(Arrays.equals(new String[] { "D", "E", "F" }, removed.toArray())); - - list = new ArrayList<String>(Arrays.asList(new String[] { "A", "B", "C", "D", "E", "F" })); - removed = CollectionTools.removeElementsAtIndex(list, 0, 3); - assertTrue(Arrays.equals(new String[] { "D", "E", "F" }, list.toArray())); - assertTrue(Arrays.equals(new String[] { "A", "B", "C" }, removed.toArray())); - } - - - // ********** remove duplicate elements ********** - - public void testRemoveDuplicateElementsList1() { - List<String> list = this.buildStringVector1(); - list.add("zero"); - list.add("zero"); - list.add("two"); - list.add("zero"); - assertTrue(CollectionTools.removeDuplicateElements(list)); - int i = 0; - assertEquals("zero", list.get(i++)); - assertEquals("one", list.get(i++)); - assertEquals("two", list.get(i++)); - assertEquals(i, list.size()); - } - - public void testRemoveDuplicateElementsList2() { - List<String> list = this.buildStringVector1(); - assertFalse(CollectionTools.removeDuplicateElements(list)); - int i = 0; - assertEquals("zero", list.get(i++)); - assertEquals("one", list.get(i++)); - assertEquals("two", list.get(i++)); - assertEquals(i, list.size()); - } - - public void testRemoveDuplicateElementsList_Empty() { - List<String> list = new ArrayList<String>(); - assertFalse(CollectionTools.removeDuplicateElements(list)); - assertEquals(0, list.size()); - } - - public void testRemoveDuplicateElementsList_SingleElement() { - List<String> list = new ArrayList<String>(); - list.add("zero"); - assertFalse(CollectionTools.removeDuplicateElements(list)); - assertEquals(1, list.size()); - } - - - // ********** retain all ********** - - public void testRetainAllCollectionIterable() { - Collection<String> c = this.buildStringList1(); - Iterable<String> iterable = this.buildStringList1(); - assertFalse(CollectionTools.retainAll(c, iterable)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - iterable = this.buildStringList2(); - assertTrue(CollectionTools.retainAll(c, iterable)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - } - - public void testRetainAllCollectionIterableInt() { - Collection<String> c = this.buildStringList1(); - Iterable<String> iterable = this.buildStringList1(); - assertFalse(CollectionTools.retainAll(c, iterable)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - iterable = this.buildStringList2(); - assertTrue(CollectionTools.retainAll(c, iterable, 7)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - } - - public void testRetainAllCollectionIterator() { - Collection<String> c = this.buildStringList1(); - assertFalse(CollectionTools.retainAll(c, this.buildStringList1().iterator())); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - assertTrue(CollectionTools.retainAll(c, this.buildStringList2().iterator())); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - } - - public void testRetainAllCollectionIterator_ObjectString() { - Collection<Object> c1 = new ArrayList<Object>(); - c1.add("zero"); - c1.add("one"); - c1.add("two"); - - Collection<String> c2 = new ArrayList<String>(); - c2.add("zero"); - c2.add("one"); - c2.add("two"); - - assertFalse(CollectionTools.retainAll(c1, c2.iterator())); - assertEquals(c2.size(), c1.size()); - assertEquals(c2, c1); - - Collection<String> c3 = new ArrayList<String>(); - c3.add("three"); - c3.add("four"); - c3.add("five"); - } - - public void testRetainAllCollectionIterator_EmptyIterator() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.retainAll(c, EmptyIterator.instance())); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionIterator_EmptyCollection() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, this.buildStringList1().iterator())); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionIterator_EmptyCollectionEmptyIterator() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, EmptyIterator.instance())); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionIteratorInt() { - Collection<String> c = this.buildStringList1(); - assertFalse(CollectionTools.retainAll(c, this.buildStringList1().iterator(), 8)); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - assertTrue(CollectionTools.retainAll(c, this.buildStringList2().iterator(), 9)); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - } - - public void testRetainAllCollectionIteratorInt_EmptyIterator() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.retainAll(c, EmptyIterator.instance(), 0)); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionIteratorInt_EmptyCollection() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, this.buildStringList1().iterator(), 3)); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionIteratorInt_EmptyCollectionEmptyIterator() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, EmptyIterator.instance(), 0)); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionObjectArray() { - Collection<String> c = this.buildStringList1(); - assertFalse(CollectionTools.retainAll(c, this.buildObjectArray1())); - assertEquals(this.buildStringList1().size(), c.size()); - assertEquals(this.buildStringList1(), c); - - assertTrue(CollectionTools.retainAll(c, this.buildObjectArray2())); - assertEquals(0, c.size()); - assertFalse(c.contains("one")); - assertFalse(c.contains("two")); - assertFalse(c.contains("three")); - } - - public void testRetainAllCollectionObjectArray_EmptyObjectArray() { - Collection<String> c = this.buildStringList1(); - assertTrue(CollectionTools.retainAll(c, new Object[0])); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionObjectArray_EmptyCollection() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, (Object[]) new String[] { "foo" })); - assertEquals(0, c.size()); - } - - public void testRetainAllCollectionObjectArray_EmptyCollectionEmptyObjectArray() { - Collection<String> c = new ArrayList<String>(); - assertFalse(CollectionTools.retainAll(c, (Object[]) new String[0])); - assertEquals(0, c.size()); - } - - - // ********** reverse list ********** - - public void testReverseListIterable() { - Iterable<String> iterable = this.buildStringList1(); - List<String> actual = CollectionTools.reverseList(iterable); - List<String> expected = this.buildStringList1(); - Collections.reverse(expected); - assertEquals(expected, actual); - } - - public void testReverseListIterableInt() { - Iterable<String> iterable = this.buildStringList1(); - List<String> actual = CollectionTools.reverseList(iterable, 10); - List<String> expected = this.buildStringList1(); - Collections.reverse(expected); - assertEquals(expected, actual); - } - - public void testReverseListIterator_String() { - List<String> actual = CollectionTools.reverseList(this.buildStringList1().iterator()); - List<String> expected = this.buildStringList1(); - Collections.reverse(expected); - assertEquals(expected, actual); - } - - public void testReverseListIterator_Object() { - List<Object> actual = CollectionTools.<Object>reverseList(this.buildStringList1().iterator()); - List<Object> expected = this.buildObjectList1(); - Collections.reverse(expected); - assertEquals(expected, actual); - } - - public void testReverseListIteratorInt() { - List<String> actual = CollectionTools.reverseList(this.buildStringList1().iterator(), 33); - List<String> expected = this.buildStringList1(); - Collections.reverse(expected); - assertEquals(expected, actual); - } - - - // ********** rotate ********** - - public void testRotateList() { - List<String> actual = CollectionTools.rotate(this.buildStringList1()); - List<String> expected = this.buildStringList1(); - Collections.rotate(expected, 1); - assertEquals(expected, actual); - } - - - // ********** set ********** - - public void testSetIterable() { - Iterable<String> iterable = this.buildStringSet1(); - assertEquals(this.buildStringSet1(), CollectionTools.set(iterable)); - } - - public void testSetIterableInt() { - Iterable<String> iterable = this.buildStringSet1(); - assertEquals(this.buildStringSet1(), CollectionTools.set(iterable, 22)); - } - - public void testSetIterator_String() { - assertEquals(this.buildStringSet1(), CollectionTools.set(this.buildStringSet1().iterator())); - } - - public void testSetIterator_Object() { - List<String> list = new ArrayList<String>(); - list.add("0"); - list.add("1"); - list.add("2"); - list.add("3"); - list.add("0"); - list.add("1"); - list.add("2"); - list.add("3"); - Set<String> set = new HashSet<String>(); - set.addAll(list); - - assertEquals(set, CollectionTools.<Object>set(list.iterator())); - } - - public void testSetIteratorInt() { - assertEquals(this.buildStringSet1(), CollectionTools.set(this.buildStringSet1().iterator(), 3)); - } - - public void testSetObjectArray() { - assertEquals(this.buildStringSet1(), CollectionTools.set(this.buildStringSet1().toArray())); - } - - - // ********** singleton iterator ********** - - public void testSingletonIterator_String() { - Iterator<String> stream = CollectionTools.singletonIterator("foo"); - assertTrue(stream.hasNext()); - assertEquals("foo", stream.next()); - } - - public void testSingletonIterator_Object() { - Iterator<Object> stream = CollectionTools.<Object>singletonIterator("foo"); - assertTrue(stream.hasNext()); - assertEquals("foo", stream.next()); - } - - public void testSingletonIterator_Cast() { - Iterator<Object> stream = CollectionTools.singletonIterator((Object) "foo"); - assertTrue(stream.hasNext()); - assertEquals("foo", stream.next()); - } - - public void testSingletonListIterator_String() { - ListIterator<String> stream = CollectionTools.singletonListIterator("foo"); - assertTrue(stream.hasNext()); - assertEquals("foo", stream.next()); - assertFalse(stream.hasNext()); - assertTrue(stream.hasPrevious()); - assertEquals("foo", stream.previous()); - } - - - // ********** size ********** - - public void testSizeIterable() { - Iterable<Object> iterable = this.buildObjectList1(); - assertEquals(3, CollectionTools.size(iterable)); - } - - public void testSizeIterator() { - assertEquals(3, CollectionTools.size(this.buildObjectList1().iterator())); - } - - - // ********** sort ********** - - public void testSortIterable() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(); - ss.addAll(list); - - Iterable<String> iterable1 = list; - Iterable<String> iterable2 = CollectionTools.<String>sort(iterable1); - assertTrue(CollectionTools.elementsAreEqual(ss, iterable2)); - } - - public void testSortIterableInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(); - ss.addAll(list); - - Iterable<String> iterable1 = list; - Iterable<String> iterable2 = CollectionTools.<String>sort(iterable1, 77); - assertTrue(CollectionTools.elementsAreEqual(ss, iterable2)); - } - - public void testSortIterableComparator() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(new ReverseComparator<String>()); - ss.addAll(list); - - Iterable<String> iterable1 = list; - Iterable<String> iterable2 = CollectionTools.<String>sort(iterable1, new ReverseComparator<String>()); - assertTrue(CollectionTools.elementsAreEqual(ss, iterable2)); - } - - public void testSortIterableComparatorInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(new ReverseComparator<String>()); - ss.addAll(list); - - Iterable<String> iterable1 = list; - Iterable<String> iterable2 = CollectionTools.<String>sort(iterable1, new ReverseComparator<String>(), 77); - assertTrue(CollectionTools.elementsAreEqual(ss, iterable2)); - } - - public void testSortIterator() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(); - ss.addAll(list); - - Iterator<String> iterator1 = list.iterator(); - Iterator<String> iterator2 = CollectionTools.<String>sort(iterator1); - assertTrue(CollectionTools.elementsAreEqual(ss.iterator(), iterator2)); - } - - public void testSortIteratorInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(); - ss.addAll(list); - - Iterator<String> iterator1 = list.iterator(); - Iterator<String> iterator2 = CollectionTools.<String>sort(iterator1, 77); - assertTrue(CollectionTools.elementsAreEqual(ss.iterator(), iterator2)); - } - - public void testSortIteratorComparator() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(new ReverseComparator<String>()); - ss.addAll(list); - - Iterator<String> iterator1 = list.iterator(); - Iterator<String> iterator2 = CollectionTools.<String>sort(iterator1, new ReverseComparator<String>()); - assertTrue(CollectionTools.elementsAreEqual(ss.iterator(), iterator2)); - } - - public void testSortIteratorComparatorInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss = new TreeSet<String>(new ReverseComparator<String>()); - ss.addAll(list); - - Iterator<String> iterator1 = list.iterator(); - Iterator<String> iterator2 = CollectionTools.<String>sort(iterator1, new ReverseComparator<String>(), 77); - assertTrue(CollectionTools.elementsAreEqual(ss.iterator(), iterator2)); - } - - - // ********** sorted set ********** - - public void testSortedSetIterable() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss1 = new TreeSet<String>(); - ss1.addAll(list); - - Iterable<String> iterable = list; - SortedSet<String> ss2 = CollectionTools.<String>sortedSet(iterable); - assertEquals(ss1, ss2); - } - - public void testSortedSetIterableInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss1 = new TreeSet<String>(); - ss1.addAll(list); - - Iterable<String> iterable = list; - SortedSet<String> ss2 = CollectionTools.<String>sortedSet(iterable, 5); - assertEquals(ss1, ss2); - } - - public void testSortedSetIterableComparator() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss1 = new TreeSet<String>(new ReverseComparator<String>()); - ss1.addAll(list); - - Iterable<String> iterable = list; - SortedSet<String> ss2 = CollectionTools.<String>sortedSet(iterable, new ReverseComparator<String>()); - assertEquals(ss1, ss2); - } - - public void testSortedSetIterableComparatorInt() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss1 = new TreeSet<String>(new ReverseComparator<String>()); - ss1.addAll(list); - - Iterable<String> iterable = list; - SortedSet<String> ss2 = CollectionTools.<String>sortedSet(iterable, new ReverseComparator<String>(), 5); - assertEquals(ss1, ss2); - } - - public void testSortedSetIterator() { - assertEquals(this.buildSortedStringSet1(), CollectionTools.sortedSet(this.buildSortedStringSet1().iterator())); - } - - public void testSortedSetIterator_TreeSet() { - SortedSet<String> ss1 = new TreeSet<String>(); - ss1.add("0"); - ss1.add("2"); - ss1.add("3"); - ss1.add("1"); - - SortedSet<String> set2 = CollectionTools.<String>sortedSet(ss1.iterator()); - assertEquals(ss1, set2); - } - - public void testSortedSetIteratorInt() { - assertEquals(this.buildSortedStringSet1(), CollectionTools.sortedSet(this.buildSortedStringSet1().iterator(), 8)); - } - - public void testSortedSetObjectArray() { - assertEquals(this.buildSortedStringSet1(), CollectionTools.sortedSet(this.buildStringSet1().toArray(new String[0]))); - } - - public void testSortedSetObjectArrayComparator() { - ArrayList<String> list = new ArrayList<String>(); - list.add("0"); - list.add("2"); - list.add("3"); - list.add("1"); - - SortedSet<String> ss1 = new TreeSet<String>(new ReverseComparator<String>()); - ss1.addAll(list); - - String[] array = list.toArray(new String[list.size()]); - SortedSet<String> ss2 = CollectionTools.<String>sortedSet(array, new ReverseComparator<String>()); - assertEquals(ss1, ss2); - } - - - // ********** Old School Vector ********** - - public void testVectorIterable() { - Iterable<String> iterable = this.buildStringList1(); - Vector<String> v = CollectionTools.vector(iterable); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - public void testVectorIterableInt() { - Iterable<String> iterable = this.buildStringList1(); - Vector<String> v = CollectionTools.vector(iterable, 8); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - public void testVectorIterator_String() { - Vector<String> v = CollectionTools.vector(this.buildStringList1().iterator()); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - public void testVectorIterator_Object() { - Vector<Object> v = CollectionTools.<Object>vector(this.buildStringList1().iterator()); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - public void testVectorIteratorInt() { - Vector<String> v = CollectionTools.vector(this.buildStringList1().iterator(), 7); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - public void testVectorObjectArray() { - Vector<String> v = CollectionTools.vector(this.buildStringArray1()); - assertEquals(3, v.size()); - assertTrue(v.containsAll(this.buildStringList1())); - } - - - // ********** single-use iterable ********** - - public void testIterableIterator() { - Iterator<Object> emptyIterator = EmptyIterator.instance(); - Iterable<Object> emptyIterable = CollectionTools.iterable(emptyIterator); - - assertFalse(emptyIterable.iterator().hasNext()); - - boolean exceptionThrown = false; - try { - emptyIterator = emptyIterable.iterator(); - fail("invalid iterator: " + emptyIterator); - } catch (IllegalStateException ise) { - exceptionThrown = true; - } - assertTrue("IllegalStateException not thrown.", exceptionThrown); - } - - public void testIterableIterator_NPE() { - Iterator<Object> nullIterator = null; - boolean exceptionThrown = false; - try { - Iterable<Object> emptyIterable = CollectionTools.iterable(nullIterator); - fail("invalid iterable: " + emptyIterable); - } catch (NullPointerException ise) { - exceptionThrown = true; - } - assertTrue(exceptionThrown); - } - - public void testIterableIterator_ToString() { - Iterator<Object> emptyIterator = EmptyIterator.instance(); - Iterable<Object> emptyIterable = CollectionTools.iterable(emptyIterator); - assertNotNull(emptyIterable.toString()); - } - - - // ********** java.util.Collections enhancements ********** - - public void testCopyListList() { - List<String> src = this.buildStringList1(); - List<String> dest = new ArrayList<String>(); - for (String s : src) { - dest.add(s.toUpperCase()); - } - List<String> result = CollectionTools.copy(dest, src); - assertSame(dest, result); - assertTrue(CollectionTools.elementsAreIdentical(src, dest)); - } - - public void testFillListObject() { - List<String> list = this.buildStringList1(); - List<String> result = CollectionTools.fill(list, "foo"); - assertSame(list, result); - for (String string : result) { - assertEquals("foo", string); - } - } - - public void testShuffleList() { - List<String> list = this.buildStringList1(); - List<String> result = CollectionTools.shuffle(list); - assertSame(list, result); - } - - public void testShuffleListRandom() { - List<String> list = this.buildStringList1(); - List<String> result = CollectionTools.shuffle(list, new Random()); - assertSame(list, result); - } - - public void testSortList() { - List<String> list = this.buildStringList1(); - SortedSet<String> ss = new TreeSet<String>(); - ss.addAll(list); - List<String> result = CollectionTools.sort(list); - assertSame(list, result); - assertTrue(CollectionTools.elementsAreEqual(ss, result)); - } - - public void testSwapListIntInt() { - List<String> list = this.buildStringList1(); - List<String> result = CollectionTools.swap(list, 0, 1); - assertSame(list, result); - List<String> original = this.buildStringList1(); - assertEquals(original.get(0), result.get(1)); - assertEquals(original.get(1), result.get(0)); - assertEquals(original.get(2), result.get(2)); - } - - public void testConstructor() { - boolean exCaught = false; - try { - Object at = ReflectionTools.newInstance(CollectionTools.class); - fail("bogus: " + at); //$NON-NLS-1$ - } catch (RuntimeException ex) { - if (ex.getCause() instanceof InvocationTargetException) { - if (ex.getCause().getCause() instanceof UnsupportedOperationException) { - exCaught = true; - } - } - } - assertTrue(exCaught); - } - - - // ********** test harness ********** - - private Object[] buildObjectArray1() { - return new Object[] { "zero", "one", "two" }; - } - - private String[] buildStringArray1() { - return new String[] { "zero", "one", "two" }; - } - - private Object[] buildObjectArray2() { - return new Object[] { "three", "four", "five" }; - } - - private Vector<String> buildStringVector1() { - Vector<String> v = new Vector<String>(); - this.addToCollection1(v); - return v; - } - - private List<String> buildStringList1() { - List<String> l = new ArrayList<String>(); - this.addToCollection1(l); - return l; - } - - private List<Object> buildObjectList1() { - List<Object> l = new ArrayList<Object>(); - this.addToCollection1(l); - return l; - } - - private void addToCollection1(Collection<? super String> c) { - c.add("zero"); - c.add("one"); - c.add("two"); - } - - private List<String> buildStringList2() { - List<String> l = new ArrayList<String>(); - this.addToCollection2(l); - return l; - } - - private void addToCollection2(Collection<? super String> c) { - c.add("three"); - c.add("four"); - c.add("five"); - } - - private Set<String> buildStringSet1() { - Set<String> s = new HashSet<String>(); - this.addToCollection1(s); - return s; - } - - private Set<Object> buildObjectSet1() { - Set<Object> s = new HashSet<Object>(); - this.addToCollection1(s); - return s; - } - - private SortedSet<String> buildSortedStringSet1() { - SortedSet<String> s = new TreeSet<String>(); - this.addToCollection1(s); - return s; - } - -} |