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/*
* 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 com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Arrays;
import java.util.List;
@GwtCompatible
public class ImmutableMultisetFloodingTest extends AbstractHashFloodingTest<Multiset<Object>> {
public ImmutableMultisetFloodingTest() {
super(
Arrays.asList(ConstructionPathway.values()),
n -> n * Math.log(n),
ImmutableList.of(
QueryOp.create(
"count",
(ms, o) -> {
int unused = ms.count(o);
},
Math::log)));
}
/** All the ways to create an ImmutableMultiset. */
enum ConstructionPathway implements Construction<Multiset<Object>> {
COPY_OF_COLLECTION {
@Override
public ImmutableMultiset<Object> create(List<?> keys) {
return ImmutableMultiset.copyOf(keys);
}
},
COPY_OF_ITERATOR {
@Override
public ImmutableMultiset<Object> create(List<?> keys) {
return ImmutableMultiset.copyOf(keys.iterator());
}
},
BUILDER_ADD_ENTRY_BY_ENTRY {
@Override
public ImmutableMultiset<Object> create(List<?> keys) {
ImmutableMultiset.Builder<Object> builder = ImmutableMultiset.builder();
for (Object o : keys) {
builder.add(o);
}
return builder.build();
}
},
BUILDER_ADD_ALL_COLLECTION {
@Override
public ImmutableMultiset<Object> create(List<?> keys) {
ImmutableMultiset.Builder<Object> builder = ImmutableMultiset.builder();
builder.addAll(keys);
return builder.build();
}
};
@CanIgnoreReturnValue
@Override
public abstract ImmutableMultiset<Object> create(List<?> keys);
}
}
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