GuavaUtilsTest.java example

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/**
 * 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 org.apache.aurora;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class GuavaUtilsTest {
  @Test
  public void testToImmutableSet() {
    assertEquals(
        ImmutableSet.of("b", "c", "a"),
        ImmutableList.of("a", "b", "c").stream().collect(GuavaUtils.toImmutableSet()));
  }
}