com.google.common.collect.testing.google.MultimapFeature Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of guava-testlib-jdk5 Show documentation

Guava testlib is a set of java classes used for more convenient unit testing - particularly to assist the tests for Guava itself.

There is a newer version: 17.0

Show newest version

/*
 * Copyright (C) 2013 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.Multimap;
import com.google.common.collect.testing.Helpers;
import com.google.common.collect.testing.features.Feature;
import com.google.common.collect.testing.features.TesterAnnotation;

import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.Set;

/**
 * Optional features of classes derived from {@code Multimap}.
 *
 * @author Louis Wasserman
 */
// Enum values use constructors with generic varargs.
@SuppressWarnings("unchecked")
@GwtCompatible
public enum MultimapFeature implements Feature {
  VALUE_COLLECTIONS_SUPPORT_ITERATOR_REMOVE;

  private final Set> implied;

  MultimapFeature(Feature ... implied) {
    this.implied = Helpers.copyToSet(implied);
  }

  @Override
  public Set> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)
  @Inherited
  @TesterAnnotation
  public @interface Require {
    public abstract MultimapFeature[] value() default {};
    public abstract MultimapFeature[] absent() default {};
  }
}