/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.test;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Collection of convenience methods not suitable for production usage due performance characteristics, but handy for tests.
*/
public class TestCollectionUtils {
/**
* Creates a new set containing items passed as arguments.
*
* @param items
* @param <T>
* @return a new instance of Set with all items passed as an argument
*/
public static <T> Set<T> setOf(T... items) {
List<T> list = Arrays.asList(items);
return new HashSet<T>(list);
}
public static Set<Integer> setOfValuesBetween(int from, int to) {
HashSet<Integer> set = new HashSet<Integer>();
for (int i = from; i < to; i++) {
set.add(i);
}
return set;
}
}