/* * Copyright 2015 Goldman Sachs. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.gs.collections.impl.list.mutable; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.LinkedList; import com.gs.collections.api.list.MutableList; import com.gs.collections.impl.block.factory.Predicates; import com.gs.collections.impl.block.factory.Predicates2; import com.gs.collections.impl.factory.Lists; import com.gs.collections.impl.test.SerializeTestHelper; import com.gs.collections.impl.test.Verify; import org.junit.Assert; import org.junit.Test; /** * JUnit test for {@link RandomAccessListAdapter}. */ public class RandomAccessListAdapterTest extends AbstractListTestCase { @Override protected <T> RandomAccessListAdapter<T> newWith(T... littleElements) { return new RandomAccessListAdapter<>(Collections.synchronizedList(new ArrayList<>(FastList.newListWith(littleElements)))); } @Override @Test public void asSynchronized() { super.asSynchronized(); Verify.assertInstanceOf(SynchronizedMutableList.class, RandomAccessListAdapter.adapt(Collections.singletonList("1")).asSynchronized()); } @Override @Test public void testClone() { MutableList<Integer> list = this.newWith(1, 2, 3); MutableList<Integer> list2 = list.clone(); Verify.assertListsEqual(list, list2); } @Override @Test public void equalsAndHashCode() { super.equalsAndHashCode(); MutableList<Integer> list1 = this.newWith(1, 2, 3); MutableList<Integer> list2 = this.newWith(1, 2, 3); MutableList<Integer> list3 = this.newWith(2, 3, 4); Assert.assertNotEquals(list1, null); Verify.assertEqualsAndHashCode(list1, list1); Verify.assertEqualsAndHashCode(list1, list2); Assert.assertNotEquals(list2, list3); } @Test @Override public void subList() { MutableList<String> list = this.newWith("A", "B", "C", "D"); MutableList<String> sublist = list.subList(1, 3); Verify.assertEqualsAndHashCode(sublist, sublist); Verify.assertSize(2, sublist); Verify.assertContainsAll(sublist, "B", "C"); sublist.add("X"); Verify.assertSize(3, sublist); Verify.assertContainsAll(sublist, "B", "C", "X"); Verify.assertSize(5, list); Verify.assertContainsAll(list, "A", "B", "C", "X", "D"); sublist.remove("X"); Verify.assertContainsAll(sublist, "B", "C"); Verify.assertContainsAll(list, "A", "B", "C", "D"); Assert.assertEquals("C", sublist.set(1, "R")); Verify.assertContainsAll(sublist, "B", "R"); Verify.assertContainsAll(list, "A", "B", "R", "D"); sublist.addAll(Arrays.asList("W", "G")); Verify.assertContainsAll(sublist, "B", "R", "W", "G"); Verify.assertContainsAll(list, "A", "B", "R", "W", "G", "D"); sublist.clear(); Verify.assertEmpty(sublist); Verify.assertContainsAll(list, "A", "D"); } @Override @Test public void newListWithSize() { super.newListWithSize(); MutableList<Integer> collection = this.newWith(1, 2, 3); Verify.assertContainsAll(collection, 1, 2, 3); Verify.assertThrows(IllegalArgumentException.class, () -> new RandomAccessListAdapter<>(new LinkedList<>())); } @Override @Test public void serialization() { super.serialization(); MutableList<Integer> collection = this.newWith(1, 2, 3, 4, 5); MutableList<Integer> deserializedCollection = SerializeTestHelper.serializeDeserialize(collection); Verify.assertSize(5, deserializedCollection); Verify.assertContainsAll(deserializedCollection, 1, 2, 3, 4, 5); Assert.assertEquals(collection, deserializedCollection); } @Override @Test public void forEachFromTo() { super.forEachFromTo(); MutableList<Integer> result = Lists.mutable.of(); MutableList<Integer> collection = this.newWith(1, 2, 3, 4); collection.forEach(2, 3, result::add); Verify.assertSize(2, result); Verify.assertContainsAll(result, 3, 4); } @Override @Test public void removeIf() { super.removeIf(); MutableList<Integer> objects = this.newWith(1, 2, 3, null); Assert.assertTrue(objects.removeIf(Predicates.isNull())); Verify.assertSize(3, objects); Verify.assertContainsAll(objects, 1, 2, 3); } @Override @Test public void removeIfWith() { super.removeIf(); MutableList<Integer> objects = this.newWith(1, 2, 3, null); Assert.assertTrue(objects.removeIfWith(Predicates2.isNull(), null)); Verify.assertSize(3, objects); Verify.assertContainsAll(objects, 1, 2, 3); } @Test public void testRemoveIndex() { MutableList<Integer> objects = this.newWith(1, 2, 3); objects.remove(2); Verify.assertSize(2, objects); Verify.assertContainsAll(objects, 1, 2); } @Override @Test public void indexOf() { super.indexOf(); MutableList<Integer> objects = this.newWith(1, 2, 3); Assert.assertEquals(1, objects.indexOf(2)); } @Override @Test public void lastIndexOf() { super.lastIndexOf(); MutableList<Integer> objects = this.newWith(1, 2, 3); Assert.assertEquals(1, objects.lastIndexOf(2)); } @Test public void testSet() { MutableList<Integer> objects = this.newWith(1, 2, 3); Assert.assertEquals(Integer.valueOf(2), objects.set(1, 4)); Verify.assertItemAtIndex(4, 1, objects); } @Test public void testAddAtIndex() { MutableList<Integer> objects = this.newWith(1, 2, 3); objects.add(0, 0); Verify.assertSize(4, objects); Verify.assertItemAtIndex(0, 0, objects); } @Test public void testAddAllAtIndex() { MutableList<Integer> objects = this.newWith(1, 2, 3); objects.addAll(0, Lists.fixedSize.of(0)); Verify.assertSize(4, objects); Verify.assertItemAtIndex(0, 0, objects); } @Test public void testWithMethods() { Verify.assertContainsAll(this.newWith(1), 1); Verify.assertContainsAll(this.newWith(1).with(2), 1, 2); Verify.assertContainsAll(this.newWith(1).with(2, 3), 1, 2, 3); Verify.assertContainsAll(this.newWith(1).with(2, 3, 4), 1, 2, 3, 4); Verify.assertContainsAll(this.newWith(1).with(2, 3, 4, 5), 1, 2, 3, 4, 5); } @Override @Test public void newEmpty() { Verify.assertInstanceOf(MutableList.class, this.newWith().newEmpty()); } @Test public void adaptNull() { Verify.assertThrows(NullPointerException.class, () -> new RandomAccessListAdapter<>(null)); Verify.assertThrows(NullPointerException.class, () -> RandomAccessListAdapter.adapt(null)); } @Test public void adapt() { Verify.assertInstanceOf(ArrayListAdapter.class, RandomAccessListAdapter.adapt(new ArrayList<>())); } }