/*
* 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;
import static com.google.common.collect.Maps.newHashMap;
import static com.google.common.collect.testing.Helpers.mapEntry;
import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.google.AbstractMultisetSetCountTester.getSetCountDuplicateInitializingMethods;
import static com.google.common.collect.testing.google.MultisetCountTester.getCountDuplicateInitializingMethods;
import static com.google.common.collect.testing.google.MultisetIteratorTester.getIteratorDuplicateInitializingMethods;
import static com.google.common.collect.testing.google.MultisetRemoveTester.getRemoveDuplicateInitializingMethods;
import static java.lang.reflect.Proxy.newProxyInstance;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;
import com.google.common.collect.Maps.EntryTransformer;
import com.google.common.collect.testing.SampleElements;
import com.google.common.collect.testing.SetTestSuiteBuilder;
import com.google.common.collect.testing.TestCollectionGenerator;
import com.google.common.collect.testing.TestListGenerator;
import com.google.common.collect.testing.TestStringSetGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.MapFeature;
import com.google.common.collect.testing.google.ListMultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.MultimapFeature;
import com.google.common.collect.testing.google.MultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.MultisetTestSuiteBuilder;
import com.google.common.collect.testing.google.SetMultimapTestSuiteBuilder;
import com.google.common.collect.testing.google.TestListMultimapGenerator;
import com.google.common.collect.testing.google.TestMultimapGenerator;
import com.google.common.collect.testing.google.TestSetMultimapGenerator;
import com.google.common.collect.testing.google.TestStringListMultimapGenerator;
import com.google.common.collect.testing.google.TestStringMultisetGenerator;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeSet;
/**
* Run collection tests on wrappers from {@link Multimaps}.
*
* @author Jared Levy
*/
@GwtIncompatible("suite") // TODO(cpovirk): set up collect/gwt/suites version
public class MultimapsCollectionTest extends TestCase {
private static final Feature<?>[] FOR_MAP_FEATURES_ONE = {
CollectionSize.ONE,
ALLOWS_NULL_VALUES,
SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE
};
private static final Feature<?>[] FOR_MAP_FEATURES_ANY = {
CollectionSize.ANY,
ALLOWS_NULL_VALUES,
SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
MultisetTestSuiteBuilder.NoRecurse.NO_ENTRY_SET, // Cannot create entries with count > 1
};
static final Supplier<TreeSet<String>> STRING_TREESET_FACTORY = new Supplier<TreeSet<String>>() {
@Override
public TreeSet<String> get() {
return new TreeSet<String>(Ordering.natural().nullsLast());
}
};
static void populateMultimapForGet(
Multimap<Integer, String> multimap, String[] elements) {
multimap.put(2, "foo");
for (String element : elements) {
multimap.put(3, element);
}
}
static void populateMultimapForKeySet(
Multimap<String, Integer> multimap, String[] elements) {
for (String element : elements) {
multimap.put(element, 2);
multimap.put(element, 3);
}
}
static void populateMultimapForValues(
Multimap<Integer, String> multimap, String[] elements) {
for (int i = 0; i < elements.length; i++) {
multimap.put(i % 2, elements[i]);
}
}
static void populateMultimapForKeys(
Multimap<String, Integer> multimap, String[] elements) {
for (int i = 0; i < elements.length; i++) {
multimap.put(elements[i], i);
}
}
/**
* Implements {@code Multimap.put()} -- and no other methods -- for a {@code
* Map} by ignoring all but the latest value for each key. This class exists
* only so that we can use
* {@link MultimapsCollectionTest#populateMultimapForGet(Multimap, String[])}
* and similar methods to populate a map to be passed to
* {@link Multimaps#forMap(Map)}. All tests should run against the result of
* {@link #build()}.
*/
private static final class PopulatableMapAsMultimap<K, V>
extends ForwardingMultimap<K, V> {
final Map<K, V> map;
final SetMultimap<K, V> unusableDelegate;
static <K, V> PopulatableMapAsMultimap<K, V> create() {
return new PopulatableMapAsMultimap<K, V>();
}
@SuppressWarnings("unchecked") // all methods throw immediately
PopulatableMapAsMultimap() {
this.map = newHashMap();
this.unusableDelegate = (SetMultimap<K, V>) newProxyInstance(
SetMultimap.class.getClassLoader(),
new Class<?>[] {SetMultimap.class},
new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
throw new UnsupportedOperationException();
}
});
}
@Override protected Multimap<K, V> delegate() {
return unusableDelegate;
}
@Override public boolean put(K key, V value) {
map.put(key, value);
return true;
}
SetMultimap<K, V> build() {
return Multimaps.forMap(map);
}
}
abstract static class TestEntriesGenerator
implements TestCollectionGenerator<Entry<String, Integer>> {
@Override
public SampleElements<Entry<String, Integer>> samples() {
return new SampleElements<Entry<String, Integer>>(
Maps.immutableEntry("bar", 1),
Maps.immutableEntry("bar", 2),
Maps.immutableEntry("foo", 3),
Maps.immutableEntry("bar", 3),
Maps.immutableEntry("cat", 2));
}
@Override
public Collection<Entry<String, Integer>> create(Object... elements) {
Multimap<String, Integer> multimap = createMultimap();
for (Object element : elements) {
@SuppressWarnings("unchecked")
Entry<String, Integer> entry = (Entry<String, Integer>) element;
multimap.put(entry.getKey(), entry.getValue());
}
return multimap.entries();
}
abstract Multimap<String, Integer> createMultimap();
@Override
@SuppressWarnings("unchecked")
public Entry<String, Integer>[] createArray(int length) {
return (Entry<String, Integer>[]) new Entry<?, ?>[length];
}
@Override
public List<Entry<String, Integer>> order(
List<Entry<String, Integer>> insertionOrder) {
return insertionOrder;
}
}
public abstract static class TestEntriesListGenerator
extends TestEntriesGenerator
implements TestListGenerator<Entry<String, Integer>> {
@Override public List<Entry<String, Integer>> create(Object... elements) {
return (List<Entry<String, Integer>>) super.create(elements);
}
}
private static final Predicate<Map.Entry<Integer, String>> FILTER_GET_PREDICATE
= new Predicate<Map.Entry<Integer, String>>() {
@Override public boolean apply(Entry<Integer, String> entry) {
return !"badvalue".equals(entry.getValue()) && 55556 != entry.getKey();
}
};
private static final Predicate<Map.Entry<String, Integer>> FILTER_KEYSET_PREDICATE
= new Predicate<Map.Entry<String, Integer>>() {
@Override public boolean apply(Entry<String, Integer> entry) {
return !"badkey".equals(entry.getKey()) && 55556 != entry.getValue();
}
};
public static Test suite() {
TestSuite suite = new TestSuite();
suite.addTest(transformSuite());
suite.addTest(filterSuite());
suite.addTest(ListMultimapTestSuiteBuilder.using(new TestStringListMultimapGenerator() {
@Override
protected ListMultimap<String, String> create(Entry<String, String>[] entries) {
ListMultimap<String, String> multimap = Multimaps.synchronizedListMultimap(
ArrayListMultimap.<String, String> create());
for (Entry<String, String> entry : entries) {
multimap.put(entry.getKey(), entry.getValue());
}
return multimap;
}
})
.named("synchronized ArrayListMultimap")
.withFeatures(
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES,
MapFeature.GENERAL_PURPOSE,
MapFeature.FAILS_FAST_ON_CONCURRENT_MODIFICATION,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
CollectionSize.ANY)
.createTestSuite());
suite.addTest(SetTestSuiteBuilder.using(
new TestStringSetGenerator() {
@Override protected Set<String> create(String[] elements) {
PopulatableMapAsMultimap<Integer, String> multimap
= PopulatableMapAsMultimap.create();
populateMultimapForGet(multimap, elements);
return multimap.build().get(3);
}
})
.named("Multimaps.forMap.get")
.withFeatures(FOR_MAP_FEATURES_ONE)
.createTestSuite());
suite.addTest(SetTestSuiteBuilder.using(
new TestStringSetGenerator() {
@Override protected Set<String> create(String[] elements) {
PopulatableMapAsMultimap<String, Integer> multimap
= PopulatableMapAsMultimap.create();
populateMultimapForKeySet(multimap, elements);
return multimap.build().keySet();
}
})
.named("Multimaps.forMap.keySet")
.withFeatures(FOR_MAP_FEATURES_ANY)
.createTestSuite());
// TODO: use collection testers on Multimaps.forMap.values
suite.addTest(MultisetTestSuiteBuilder.using(
new TestStringMultisetGenerator() {
@Override protected Multiset<String> create(String[] elements) {
PopulatableMapAsMultimap<String, Integer> multimap
= PopulatableMapAsMultimap.create();
populateMultimapForKeys(multimap, elements);
return multimap.build().keys();
}
})
.named("Multimaps.forMap.keys")
.withFeatures(FOR_MAP_FEATURES_ANY)
.suppressing(getCountDuplicateInitializingMethods())
.suppressing(getSetCountDuplicateInitializingMethods())
.suppressing(getIteratorDuplicateInitializingMethods())
.suppressing(getRemoveDuplicateInitializingMethods())
.createTestSuite());
// TODO: use collection testers on Multimaps.forMap.entries
return suite;
}
static abstract class TransformedMultimapGenerator<M extends Multimap<String, String>>
implements TestMultimapGenerator<String, String, M> {
@Override
public String[] createKeyArray(int length) {
return new String[length];
}
@Override
public String[] createValueArray(int length) {
return new String[length];
}
@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 Lists.newArrayList(values);
}
@Override
public SampleElements<Entry<String, String>> samples() {
return new SampleElements<Entry<String, String>>(
mapEntry("one", "january"),
mapEntry("two", "february"),
mapEntry("three", "march"),
mapEntry("four", "april"),
mapEntry("five", "may"));
}
@Override
public M create(Object... elements) {
Multimap<String, String> multimap = ArrayListMultimap.create();
for (Object o : elements) {
@SuppressWarnings("unchecked")
Entry<String, String> entry = (Entry<String, String>) o;
multimap.put(entry.getKey(), Ascii.toUpperCase(entry.getValue()));
}
return transform(multimap);
}
abstract M transform(Multimap<String, String> multimap);
@SuppressWarnings("unchecked")
@Override
public Entry<String, String>[] createArray(int length) {
return new Entry[length];
}
@Override
public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) {
return insertionOrder;
}
static final Function<String, String> FUNCTION = new Function<String, String>() {
@Override
public String apply(String value) {
return Ascii.toLowerCase(value);
}
};
static final EntryTransformer<String, String, String> ENTRY_TRANSFORMER =
new EntryTransformer<String, String, String>() {
@Override
public String transformEntry(String key, String value) {
return Ascii.toLowerCase(value);
}
};
}
static abstract class TransformedListMultimapGenerator
extends TransformedMultimapGenerator<ListMultimap<String, String>>
implements TestListMultimapGenerator<String, String> {
}
private static Test transformSuite() {
TestSuite suite = new TestSuite("Multimaps.transform*");
suite.addTest(MultimapTestSuiteBuilder.using(
new TransformedMultimapGenerator<Multimap<String,String>>() {
@Override
Multimap<String, String> transform(Multimap<String, String> multimap) {
return Multimaps.transformValues(multimap, FUNCTION);
}
})
.named("Multimaps.transformValues[Multimap]")
.withFeatures(
CollectionSize.ANY,
MapFeature.SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(MultimapTestSuiteBuilder.using(
new TransformedMultimapGenerator<Multimap<String,String>>() {
@Override
Multimap<String, String> transform(Multimap<String, String> multimap) {
return Multimaps.transformEntries(multimap, ENTRY_TRANSFORMER);
}
})
.named("Multimaps.transformEntries[Multimap]")
.withFeatures(
CollectionSize.ANY,
MapFeature.SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(ListMultimapTestSuiteBuilder.using(new TransformedListMultimapGenerator() {
@Override
ListMultimap<String, String> transform(Multimap<String, String> multimap) {
return Multimaps.transformValues((ListMultimap<String, String>) multimap, FUNCTION);
}
})
.named("Multimaps.transformValues[ListMultimap]")
.withFeatures(
CollectionSize.ANY,
MapFeature.SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(ListMultimapTestSuiteBuilder.using(new TransformedListMultimapGenerator() {
@Override
ListMultimap<String, String> transform(Multimap<String, String> multimap) {
return Multimaps.transformEntries(
(ListMultimap<String, String>) multimap, ENTRY_TRANSFORMER);
}
})
.named("Multimaps.transformEntries[ListMultimap]")
.withFeatures(
CollectionSize.ANY,
MapFeature.SUPPORTS_REMOVE,
CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
// TODO: use collection testers on Multimaps.forMap.entries
return suite;
}
static abstract class TestFilteredMultimapGenerator<M extends Multimap<String, Integer>>
implements TestMultimapGenerator<String, Integer, M> {
@Override
public SampleElements<Entry<String, Integer>> samples() {
return new SampleElements<Entry<String, Integer>>(
mapEntry("one", 114),
mapEntry("two", 37),
mapEntry("three", 42),
mapEntry("four", 19),
mapEntry("five", 82));
}
@SuppressWarnings("unchecked")
@Override
public Entry<String, Integer>[] createArray(int length) {
return new Entry[length];
}
@Override
public Iterable<Entry<String, Integer>> order(List<Entry<String, Integer>> insertionOrder) {
return insertionOrder;
}
@Override
public String[] createKeyArray(int length) {
return new String[length];
}
@Override
public Integer[] createValueArray(int length) {
return new Integer[length];
}
@Override
public SampleElements<String> sampleKeys() {
return new SampleElements<String>("one", "two", "three", "four", "five");
}
@Override
public SampleElements<Integer> sampleValues() {
return new SampleElements<Integer>(114, 37, 42, 19, 82);
}
}
static abstract class FilteredSetMultimapGenerator
extends TestFilteredMultimapGenerator<SetMultimap<String, Integer>>
implements TestSetMultimapGenerator<String, Integer> {
abstract SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap);
@Override
public SetMultimap<String, Integer> create(Object... elements) {
SetMultimap<String, Integer> multimap = LinkedHashMultimap.create();
for (Object o : elements) {
@SuppressWarnings("unchecked")
Entry<String, Integer> entry = (Entry<String, Integer>) o;
multimap.put(entry.getKey(), entry.getValue());
}
return filter(multimap);
}
@Override
public Collection<Integer> createCollection(Iterable<? extends Integer> values) {
return Sets.newLinkedHashSet(values);
}
}
static abstract class FilteredListMultimapGenerator
extends TestFilteredMultimapGenerator<ListMultimap<String, Integer>>
implements TestListMultimapGenerator<String, Integer> {
@Override
public ListMultimap<String, Integer> create(Object... elements) {
ListMultimap<String, Integer> multimap = LinkedListMultimap.create();
for (Object o : elements) {
@SuppressWarnings("unchecked")
Entry<String, Integer> entry = (Entry<String, Integer>) o;
multimap.put(entry.getKey(), entry.getValue());
}
return filter(multimap);
}
abstract ListMultimap<String, Integer> filter(ListMultimap<String, Integer> multimap);
@Override
public Collection<Integer> createCollection(Iterable<? extends Integer> values) {
return Lists.newArrayList(values);
}
}
private static Test filterSuite() {
TestSuite suite = new TestSuite("Multimaps.filter*");
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
multimap.put("foo", 17);
multimap.put("bar", 32);
multimap.put("foo", 16);
return Multimaps.filterKeys(multimap,
Predicates.not(Predicates.in(ImmutableSet.of("foo", "bar"))));
}
})
.named("Multimaps.filterKeys[SetMultimap, Predicate]")
.withFeatures(
CollectionSize.ANY,
MultimapFeature.VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(ListMultimapTestSuiteBuilder.using(new FilteredListMultimapGenerator() {
@Override
ListMultimap<String, Integer> filter(ListMultimap<String, Integer> multimap) {
multimap.put("foo", 17);
multimap.put("bar", 32);
multimap.put("foo", 16);
return Multimaps.filterKeys(multimap,
Predicates.not(Predicates.in(ImmutableSet.of("foo", "bar"))));
}
})
.named("Multimaps.filterKeys[ListMultimap, Predicate]")
.withFeatures(
CollectionSize.ANY,
MultimapFeature.VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(ListMultimapTestSuiteBuilder.using(new FilteredListMultimapGenerator() {
@Override
ListMultimap<String, Integer> filter(ListMultimap<String, Integer> multimap) {
multimap.put("foo", 17);
multimap.put("bar", 32);
multimap.put("foo", 16);
multimap = Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("foo")));
return Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("bar")));
}
})
.named("Multimaps.filterKeys[Multimaps.filterKeys[ListMultimap], Predicate]")
.withFeatures(
CollectionSize.ANY,
MultimapFeature.VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
multimap.put("one", 314);
multimap.put("two", 159);
multimap.put("one", 265);
return Multimaps.filterValues(multimap,
Predicates.not(Predicates.in(ImmutableSet.of(314, 159, 265))));
}
})
.named("Multimaps.filterValues[SetMultimap, Predicate]")
.withFeatures(
CollectionSize.ANY,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
ImmutableSetMultimap<String, Integer> badEntries =
ImmutableSetMultimap.of("foo", 314, "one", 159, "two", 265, "bar", 358);
multimap.putAll(badEntries);
return Multimaps.filterEntries(multimap,
Predicates.not(Predicates.in(badEntries.entries())));
}
})
.named("Multimaps.filterEntries[SetMultimap, Predicate]")
.withFeatures(
CollectionSize.ANY,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
ImmutableSetMultimap<String, Integer> badEntries =
ImmutableSetMultimap.of("foo", 314, "one", 159, "two", 265, "bar", 358);
multimap.putAll(badEntries);
multimap = Multimaps.filterKeys(multimap,
Predicates.not(Predicates.in(ImmutableSet.of("foo", "bar"))));
return Multimaps.filterEntries(multimap,
Predicates.not(Predicates.in(badEntries.entries())));
}
})
.named("Multimaps.filterEntries[Multimaps.filterKeys[SetMultimap]]")
.withFeatures(
CollectionSize.ANY,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
ImmutableSetMultimap<String, Integer> badEntries =
ImmutableSetMultimap.of("foo", 314, "one", 159, "two", 265, "bar", 358);
multimap.putAll(badEntries);
multimap = Multimaps.filterEntries(multimap,
Predicates.not(Predicates.in(ImmutableMap.of("one", 159, "two", 265).entrySet())));
return Multimaps.filterKeys(multimap,
Predicates.not(Predicates.in(ImmutableSet.of("foo", "bar"))));
}
})
.named("Multimaps.filterKeys[Multimaps.filterEntries[SetMultimap]]")
.withFeatures(
CollectionSize.ANY,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
suite.addTest(SetMultimapTestSuiteBuilder.using(new FilteredSetMultimapGenerator() {
@Override
SetMultimap<String, Integer> filter(SetMultimap<String, Integer> multimap) {
ImmutableSetMultimap<String, Integer> badEntries =
ImmutableSetMultimap.of("foo", 314, "bar", 358);
multimap.putAll(badEntries);
multimap = Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("foo")));
multimap = Multimaps.filterKeys(multimap, Predicates.not(Predicates.equalTo("bar")));
return multimap;
}
})
.named("Multimaps.filterKeys[Multimaps.filterKeys[SetMultimap]]")
.withFeatures(
CollectionSize.ANY,
MultimapFeature.VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE,
MapFeature.GENERAL_PURPOSE,
MapFeature.ALLOWS_NULL_KEYS,
MapFeature.ALLOWS_NULL_VALUES,
MapFeature.ALLOWS_ANY_NULL_QUERIES)
.createTestSuite());
return suite;
}
}