| /* |
| * Copyright (C) 2008 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 java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| /** |
| * Creates map entries using sample keys and sample values. |
| * |
| * @author Jesse Wilson |
| */ |
| @GwtCompatible |
| public abstract class TestMapEntrySetGenerator<K, V> implements TestSetGenerator<Map.Entry<K, V>> { |
| private final SampleElements<K> keys; |
| private final SampleElements<V> values; |
| |
| protected TestMapEntrySetGenerator(SampleElements<K> keys, SampleElements<V> values) { |
| this.keys = keys; |
| this.values = values; |
| } |
| |
| @Override |
| public SampleElements<Entry<K, V>> samples() { |
| return SampleElements.mapEntries(keys, values); |
| } |
| |
| @Override |
| public Set<Entry<K, V>> create(Object... elements) { |
| Entry<K, V>[] entries = createArray(elements.length); |
| System.arraycopy(elements, 0, entries, 0, elements.length); |
| return createFromEntries(entries); |
| } |
| |
| public abstract Set<Entry<K, V>> createFromEntries(Entry<K, V>[] entries); |
| |
| @Override |
| @SuppressWarnings("unchecked") // generic arrays make typesafety sad |
| public Entry<K, V>[] createArray(int length) { |
| return new Entry[length]; |
| } |
| |
| /** Returns the original element list, unchanged. */ |
| @Override |
| public List<Entry<K, V>> order(List<Entry<K, V>> insertionOrder) { |
| return insertionOrder; |
| } |
| } |