| /* |
| * Copyright (C) 2009 The Guava Authors |
| * |
| * 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.google.common.collect.testing; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.collect.testing.SampleElements.Unhashables; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Creates collections containing unhashable sample elements, to be tested. |
| * |
| * @author Regina O'Dell |
| */ |
| @GwtCompatible |
| public abstract class TestUnhashableCollectionGenerator<T extends Collection<UnhashableObject>> |
| implements TestCollectionGenerator<UnhashableObject> { |
| @Override |
| public SampleElements<UnhashableObject> samples() { |
| return new Unhashables(); |
| } |
| |
| @Override |
| public T create(Object... elements) { |
| UnhashableObject[] array = createArray(elements.length); |
| int i = 0; |
| for (Object e : elements) { |
| array[i++] = (UnhashableObject) e; |
| } |
| return create(array); |
| } |
| |
| /** |
| * Creates a new collection containing the given elements; implement this method instead of {@link |
| * #create(Object...)}. |
| */ |
| protected abstract T create(UnhashableObject[] elements); |
| |
| @Override |
| public UnhashableObject[] createArray(int length) { |
| return new UnhashableObject[length]; |
| } |
| |
| @Override |
| public Iterable<UnhashableObject> order(List<UnhashableObject> insertionOrder) { |
| return insertionOrder; |
| } |
| } |