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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.GwtIncompatible;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
@GwtIncompatible
public class ImmutableMapFloodingTest extends AbstractHashFloodingTest<Map<Object, Object>> {
public ImmutableMapFloodingTest() {
super(
Arrays.asList(ConstructionPathway.values()),
n -> n * Math.log(n),
ImmutableList.of(QueryOp.MAP_GET));
}
/** All the ways to create an ImmutableMap. */
enum ConstructionPathway implements Construction<Map<Object, Object>> {
COPY_OF_MAP {
@Override
public Map<Object, Object> create(List<?> keys) {
Map<Object, Object> sourceMap = new LinkedHashMap<>();
for (Object k : keys) {
if (sourceMap.put(k, "dummy value") != null) {
throw new UnsupportedOperationException("duplicate key");
}
}
return ImmutableMap.copyOf(sourceMap);
}
},
COPY_OF_ENTRIES {
@Override
public Map<Object, Object> create(List<?> keys) {
return ImmutableMap.copyOf(
Lists.transform(keys, k -> Maps.immutableEntry(k, "dummy value")));
}
},
BUILDER_PUT_ONE_BY_ONE {
@Override
public Map<Object, Object> create(List<?> keys) {
ImmutableMap.Builder<Object, Object> builder = ImmutableMap.builder();
for (Object k : keys) {
builder.put(k, "dummy value");
}
return builder.buildOrThrow();
}
},
BUILDER_PUT_ENTRIES_ONE_BY_ONE {
@Override
public Map<Object, Object> create(List<?> keys) {
ImmutableMap.Builder<Object, Object> builder = ImmutableMap.builder();
for (Object k : keys) {
builder.put(Maps.immutableEntry(k, "dummy value"));
}
return builder.buildOrThrow();
}
},
BUILDER_PUT_ALL_MAP {
@Override
public Map<Object, Object> create(List<?> keys) {
Map<Object, Object> sourceMap = new LinkedHashMap<>();
for (Object k : keys) {
if (sourceMap.put(k, "dummy value") != null) {
throw new UnsupportedOperationException("duplicate key");
}
}
return ImmutableMap.builder().putAll(sourceMap).buildOrThrow();
}
},
BUILDER_PUT_ALL_ENTRIES {
@Override
public Map<Object, Object> create(List<?> keys) {
return ImmutableMap.builder()
.putAll(Lists.transform(keys, k -> Maps.immutableEntry(k, "dummy value")))
.buildOrThrow();
}
},
FORCE_JDK {
@Override
public Map<Object, Object> create(List<?> keys) {
ImmutableMap.Builder<Object, Object> builder = ImmutableMap.builder();
for (Object k : keys) {
builder.put(k, "dummy value");
}
return builder.buildJdkBacked();
}
};
}
}
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