content: // 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 com.cloud.storage.dao;
  
  import com.cloud.utils.exception.CloudRuntimeException;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class DiskOfferingDaoImplTest {
  
      private final DiskOfferingDaoImpl dao = new DiskOfferingDaoImpl();
  
      @Test(expected = CloudRuntimeException.class)
      public void testGetClosestDiskSizeInGBNegativeSize() {
          long size = -4 * DiskOfferingDaoImpl.GB_UNIT_BYTES;
          dao.getClosestDiskSizeInGB(size);
      }
  
      @Test
      public void testGetClosestDiskSizeInGBSizeGB() {
          int gbUnits = 5;
          long size = gbUnits * DiskOfferingDaoImpl.GB_UNIT_BYTES;
          long sizeInGB = dao.getClosestDiskSizeInGB(size);
          Assert.assertEquals(gbUnits, sizeInGB);
      }
  
      @Test
      public void testGetClosestDiskSizeInGBSizeGBRest() {
          int gbUnits = 5;
          long size = gbUnits * DiskOfferingDaoImpl.GB_UNIT_BYTES + 12345;
          long sizeInGB = dao.getClosestDiskSizeInGB(size);
          Assert.assertEquals(gbUnits + 1, sizeInGB);
      }
  
      @Test
      public void testGetClosestDiskSizeInGBSizeLessOneGB() {
          int gbUnits = 1;
          long size = gbUnits * DiskOfferingDaoImpl.GB_UNIT_BYTES - 12345;
          long sizeInGB = dao.getClosestDiskSizeInGB(size);
          Assert.assertEquals(gbUnits, sizeInGB);
      }
  }
  