TestResources.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.hadoop.yarn.util.resource;

import org.apache.hadoop.yarn.api.records.Resource;
import org.junit.Test;
import static org.junit.Assert.assertTrue;

public class TestResources {
  
  public Resource createResource(int memory, int vCores) {
    return Resource.newInstance(memory, vCores);
  }

  @Test(timeout=1000)
  public void testCompareToWithUnboundedResource() {
    assertTrue(Resources.unbounded().compareTo(
            createResource(Integer.MAX_VALUE, Integer.MAX_VALUE)) == 0);
    assertTrue(Resources.unbounded().compareTo(
        createResource(Integer.MAX_VALUE, 0)) > 0);
    assertTrue(Resources.unbounded().compareTo(
        createResource(0, Integer.MAX_VALUE)) > 0);
  }

  @Test(timeout=1000)
  public void testCompareToWithNoneResource() {
    assertTrue(Resources.none().compareTo(createResource(0, 0)) == 0);
    assertTrue(Resources.none().compareTo(
        createResource(1, 0)) < 0);
    assertTrue(Resources.none().compareTo(
        createResource(0, 1)) < 0);
  }
  
}