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1   /*
2    * Copyright (C) 2022-2023 Dipl.-Inform. Kai Hofmann. All rights reserved!
3    */
4   package de.powerstat.validation.comparators.test;
5   
6   
7   import static org.junit.jupiter.api.Assertions.assertEquals;
8   import static org.junit.jupiter.api.Assertions.assertNotNull;
9   import static org.junit.jupiter.api.Assertions.assertThrows;
10  import static org.junit.jupiter.api.Assertions.assertTrue;
11  
12  import org.junit.jupiter.api.Test;
13  
14  import de.powerstat.validation.comparators.ComparatorEMailByDomain;
15  import de.powerstat.validation.values.EMail;
16  
17  
18  /**
19   * ComparatorEMailByDomain tests.
20   */
21  final class ComparatorEMailByDomainTests
22   {
23    /**
24     * User1@example.com constant.
25     */
26    private static final String USER1_EXAMPLE_COM = "user1@example.com"; //$NON-NLS-1$
27  
28    /**
29     * User2@example.com constant.
30     */
31    private static final String USER2_EXAMPLE_COM = "user2@example.com"; //$NON-NLS-1$
32  
33    /**
34     * User1@powerstat.de
35     */
36    private static final String USER1_POWERSTAT_DE = "user1@powerstat.de"; //$NON-NLS-1$
37  
38    /**
39     * Null pointer exception expected constant.
40     */
41    private static final String NULL_POINTER_EXCEPTION = "Null pointer exception expected"; //$NON-NLS-1$
42  
43    /**
44     * Compare not smaller constant.
45     */
46    private static final String COMPARE_NOT_SMALLER = "Compare not smaller!"; //$NON-NLS-1$
47  
48    /**
49     * Compare not greater constant.
50     */
51    private static final String COMPARE_NOT_GREATER = "Compare not greater!"; //$NON-NLS-1$
52  
53  
54    /**
55     * Default constructor.
56     */
57    /* default */ ComparatorEMailByDomainTests()
58     {
59      super();
60     }
61  
62  
63    /**
64     * Constructor test.
65     */
66    @Test
67    /* default */ void testConstructor1()
68     {
69      final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
70      assertNotNull(comp, "Constructor failed!"); //$NON-NLS-1$
71     }
72  
73  
74    /**
75     * Test compare.
76     */
77    @Test
78    /* default */ void testCompare1()
79     {
80      final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
81      final EMail email = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
82      assertThrows(NullPointerException.class, () ->
83       {
84        /* final int result = */ comp.compare(null, email);
85       }, ComparatorEMailByDomainTests.NULL_POINTER_EXCEPTION
86      );
87     }
88  
89  
90    /**
91     * Test compare.
92     */
93    @Test
94    /* default */ void testCompare2()
95     {
96      final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
97      final EMail email = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
98      assertThrows(NullPointerException.class, () ->
99       {
100       /* final int result = */ comp.compare(email, null);
101      }, ComparatorEMailByDomainTests.NULL_POINTER_EXCEPTION
102     );
103    }
104 
105 
106   /**
107    * Test compare.
108    */
109   @Test
110   /* default */ void testCompare3()
111    {
112     final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
113     final EMail email = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
114     final int result = comp.compare(email, email);
115     assertEquals(0, result, "Compare not equal!"); //$NON-NLS-1$
116    }
117 
118 
119   /**
120    * Test compare.
121    */
122   @Test
123   /* default */ void testCompare4()
124    {
125     final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
126     final EMail email1 = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
127     final EMail email2 = EMail.of(ComparatorEMailByDomainTests.USER2_EXAMPLE_COM);
128     final int result = comp.compare(email1, email2);
129     assertTrue(result < 0, ComparatorEMailByDomainTests.COMPARE_NOT_SMALLER);
130    }
131 
132 
133   /**
134    * Test compare.
135    */
136   @Test
137   /* default */ void testCompare5()
138    {
139     final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
140     final EMail email1 = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
141     final EMail email2 = EMail.of(ComparatorEMailByDomainTests.USER2_EXAMPLE_COM);
142     final int result = comp.compare(email2, email1);
143     assertTrue(result > 0, ComparatorEMailByDomainTests.COMPARE_NOT_GREATER);
144    }
145 
146 
147   /**
148    * Test compare.
149    */
150   @Test
151   /* default */ void testCompare6()
152    {
153     final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
154     final EMail email1 = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
155     final EMail email2 = EMail.of(ComparatorEMailByDomainTests.USER1_POWERSTAT_DE);
156     final int result = comp.compare(email1, email2);
157     assertTrue(result < 0, ComparatorEMailByDomainTests.COMPARE_NOT_SMALLER);
158    }
159 
160 
161   /**
162    * Test compare.
163    */
164   @Test
165   /* default */ void testCompare7()
166    {
167     final ComparatorEMailByDomain comp = new ComparatorEMailByDomain();
168     final EMail email1 = EMail.of(ComparatorEMailByDomainTests.USER1_EXAMPLE_COM);
169     final EMail email2 = EMail.of(ComparatorEMailByDomainTests.USER1_POWERSTAT_DE);
170     final int result = comp.compare(email2, email1);
171     assertTrue(result > 0, ComparatorEMailByDomainTests.COMPARE_NOT_GREATER);
172    }
173 
174  }