content: /**
   * 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.scheduler.storage.entities;
  
  import com.google.common.collect.ImmutableSet;
  
  import org.apache.aurora.gen.Attribute;
  import org.apache.aurora.gen.HostAttributes;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class IHostAttributesTest {
  
    @Test
    public void testObjectDetachment() {
      // AURORA-729: Immutable wrapper objects are not always immutable.
      Attribute attribute = new Attribute()
          .setName("attr")
          .setValues(ImmutableSet.of("a", "b", "c"));
      HostAttributes mutable = new HostAttributes()
          .setHost("a")
          .setAttributes(ImmutableSet.of(attribute));
      IHostAttributes immutable1 = IHostAttributes.build(mutable);
      IHostAttributes immutable2 = IHostAttributes.build(mutable);
      assertEquals(immutable1, immutable2);
      assertEquals(immutable2, immutable1);
      attribute.setValues(ImmutableSet.of("a"));
      assertEquals(immutable1, immutable2);
      assertEquals(immutable2, immutable1);
    }
  }
  