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/*
* Copyright (C) 2012 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.google;
import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.SampleElements;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* A skeleton generator for a {@code ListMultimap} implementation.
*
* @author Louis Wasserman
*/
@GwtCompatible
public abstract class TestStringListMultimapGenerator
implements TestListMultimapGenerator<String, String> {
@Override
public SampleElements<Map.Entry<String, String>> samples() {
return new SampleElements<Map.Entry<String, String>>(
Helpers.mapEntry("one", "January"),
Helpers.mapEntry("two", "February"),
Helpers.mapEntry("three", "March"),
Helpers.mapEntry("four", "April"),
Helpers.mapEntry("five", "May"));
}
@Override
public SampleElements<String> sampleKeys() {
return new SampleElements<String>("one", "two", "three", "four", "five");
}
@Override
public SampleElements<String> sampleValues() {
return new SampleElements<String>("January", "February", "March", "April", "May");
}
@Override
public Collection<String> createCollection(Iterable<? extends String> values) {
return Helpers.copyToList(values);
}
@Override
public final ListMultimap<String, String> create(Object... entries) {
@SuppressWarnings("unchecked")
Entry<String, String>[] array = new Entry[entries.length];
int i = 0;
for (Object o : entries) {
@SuppressWarnings("unchecked")
Entry<String, String> e = (Entry<String, String>) o;
array[i++] = e;
}
return create(array);
}
protected abstract ListMultimap<String, String> create(
Entry<String, String>[] entries);
@Override
@SuppressWarnings("unchecked")
public final Entry<String, String>[] createArray(int length) {
return new Entry[length];
}
@Override
public final String[] createKeyArray(int length) {
return new String[length];
}
@Override
public final String[] createValueArray(int length) {
return new String[length];
}
/** Returns the original element list, unchanged. */
@Override
public Iterable<Entry<String, String>> order(
List<Entry<String, String>> insertionOrder) {
return insertionOrder;
}
}
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