/*
* 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;
}
}