openflowplugin/src/test/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/common/OrderComparatorTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common;
   9
  10 import org.junit.Assert;
  11 import org.junit.Test;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.Ordered;
  13 import org.opendaylight.yangtools.yang.binding.DataContainer;
  14
  15 /**
  16  * To test OrderComparator
  17  */
  18 public class OrderComparatorTest {
  19
  20     @Test
  21     public void testBothObjectsNull() {
  22         try {
  23             OrderComparator.<MockOrderedObject>build().compare(null, null);
  24             org.junit.Assert.fail("Passing null to OrderCompartor should raise " +
  25                 "a NullPointerException");
  26         } catch (NullPointerException npe) {
  27             // expected
  28         }
  29     }
  30
  31     @Test
  32     public void testEitherObjectNull() {
  33         try {
  34             MockOrderedObject obj1 = new MockOrderedObject();
  35             obj1.setOrder(0);
  36             MockOrderedObject obj2 = null;
  37
  38             OrderComparator.<MockOrderedObject>build().compare(obj1, obj2);
  39             org.junit.Assert.fail("Passing null to OrderCompartor should raise " +
  40                 "a NullPointerException");
  41         } catch (NullPointerException npe) {
  42             // expected
  43         }
  44
  45         try {
  46             MockOrderedObject obj1 = null;
  47             MockOrderedObject obj2 = new MockOrderedObject();
  48             obj2.setOrder(1);
  49
  50             OrderComparator.<MockOrderedObject>build().compare(obj1, obj2);
  51             org.junit.Assert.fail("Passing null to OrderCompartor should raise " +
  52                 "a NullPointerException");
  53         } catch (NullPointerException npe) {
  54             // expected
  55         }
  56     }
  57
  58     @Test
  59     public void testCompare() {
  60         MockOrderedObject obj1 = new MockOrderedObject();
  61         obj1.setOrder(0);
  62         MockOrderedObject obj2 = new MockOrderedObject();
  63         obj2.setOrder(1);
  64
  65         Assert.assertEquals(-1,
  66             OrderComparator.<MockOrderedObject>build().compare(obj1, obj2));
  67
  68         obj1 = new MockOrderedObject();
  69         obj1.setOrder(1);
  70         obj2 = new MockOrderedObject();
  71         obj2.setOrder(0);
  72
  73         Assert.assertEquals(1,
  74             OrderComparator.<MockOrderedObject>build().compare(obj1, obj2));
  75
  76         obj1 = new MockOrderedObject();
  77         obj1.setOrder(1);
  78         obj2 = new MockOrderedObject();
  79         obj2.setOrder(1);
  80
  81         Assert.assertEquals(0,
  82             OrderComparator.<MockOrderedObject>build().compare(obj1, obj2));
  83     }
  84
  85
  86     public class MockOrderedObject implements Ordered {
  87         private Integer order;
  88
  89         public void setOrder(Integer order) {
  90             this.order = order;
  91         }
  92
  93         @Override
  94         public Integer getOrder() {
  95             return order;
  96         }
  97
  98         @Override
  99         public Class<? extends DataContainer> getImplementedInterface() {
 100             return Ordered.class;
 101         }
 102     }
 103
 104 }