| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.collections4.multiset; |
| |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| import java.util.Arrays; |
| |
| import org.apache.commons.collections4.BulkTest; |
| import org.apache.commons.collections4.MultiSet; |
| import org.apache.commons.collections4.Unmodifiable; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Extension of {@link AbstractMultiSetTest} for exercising the |
| * {@link UnmodifiableMultiSet} implementation. |
| * |
| * @since 4.1 |
| */ |
| public class UnmodifiableMultiSetTest<E> extends AbstractMultiSetTest<E> { |
| |
| public UnmodifiableMultiSetTest() { |
| super(UnmodifiableMultiSetTest.class.getSimpleName()); |
| } |
| |
| public static junit.framework.Test suite() { |
| return BulkTest.makeSuite(UnmodifiableMultiSetTest.class); |
| } |
| |
| @Override |
| public MultiSet<E> makeObject() { |
| return UnmodifiableMultiSet.unmodifiableMultiSet(new HashMultiSet<E>()); |
| } |
| |
| @Override |
| public MultiSet<E> makeFullCollection() { |
| final MultiSet<E> multiset = new HashMultiSet<>(); |
| multiset.addAll(Arrays.asList(getFullElements())); |
| return UnmodifiableMultiSet.unmodifiableMultiSet(multiset); |
| } |
| |
| @Override |
| public MultiSet<E> getCollection() { |
| return super.getCollection(); |
| } |
| |
| @Override |
| public boolean isAddSupported() { |
| return false; |
| } |
| |
| @Override |
| public boolean isRemoveSupported() { |
| return false; |
| } |
| |
| @Override |
| public boolean isNullSupported() { |
| return false; |
| } |
| |
| @Override |
| protected int getIterationBehaviour() { |
| return UNORDERED; |
| } |
| |
| @Test |
| public void testUnmodifiable() { |
| assertTrue(makeObject() instanceof Unmodifiable); |
| assertTrue(makeFullCollection() instanceof Unmodifiable); |
| } |
| |
| @Test |
| public void testDecorateFactory() { |
| final MultiSet<E> multiset = makeFullCollection(); |
| assertSame(multiset, UnmodifiableMultiSet.unmodifiableMultiSet(multiset)); |
| |
| assertThrows(NullPointerException.class, () -> UnmodifiableMultiSet.unmodifiableMultiSet(null)); |
| } |
| |
| @Test |
| public void testAdd() { |
| final MultiSet<E> multiset = makeFullCollection(); |
| final MultiSet<E> unmodifiableMultiSet = UnmodifiableMultiSet.unmodifiableMultiSet(multiset); |
| assertThrows(UnsupportedOperationException.class, () -> unmodifiableMultiSet.add((E) "One", 1)); |
| } |
| |
| @Test |
| public void testRemove() { |
| final MultiSet<E> multiset = makeFullCollection(); |
| final MultiSet<E> unmodifiableMultiSet = UnmodifiableMultiSet.unmodifiableMultiSet(multiset); |
| assertThrows(UnsupportedOperationException.class, () -> unmodifiableMultiSet.remove("One", 1)); |
| } |
| |
| @Test |
| public void testSetCount() { |
| final MultiSet<E> multiset = makeFullCollection(); |
| final MultiSet<E> unmodifiableMultiSet = UnmodifiableMultiSet.unmodifiableMultiSet(multiset); |
| assertThrows(UnsupportedOperationException.class, () -> unmodifiableMultiSet.setCount((E) "One", 2)); |
| } |
| |
| @Test |
| public void testEntrySet() { |
| final MultiSet<E> multiset = makeFullCollection(); |
| final MultiSet<E> unmodifiableMultiSet = UnmodifiableMultiSet.unmodifiableMultiSet(multiset); |
| assertSame( unmodifiableMultiSet.entrySet().size(), multiset.entrySet().size()); |
| } |
| |
| @Override |
| public String getCompatibilityVersion() { |
| return "4.1"; |
| } |
| |
| // public void testCreate() throws Exception { |
| // MultiSet<E> multiset = makeObject(); |
| // writeExternalFormToDisk((java.io.Serializable) multiset, "src/test/resources/data/test/UnmodifiableMultiSet.emptyCollection.version4.1.obj"); |
| // multiset = makeFullCollection(); |
| // writeExternalFormToDisk((java.io.Serializable) multiset, "src/test/resources/data/test/UnmodifiableMultiSet.fullCollection.version4.1.obj"); |
| // } |
| |
| } |