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

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