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17 package org.apache.commons.lang3;
18
19 import static org.junit.jupiter.api.Assertions.assertEquals;
20 import static org.junit.jupiter.api.Assertions.assertFalse;
21 import static org.junit.jupiter.api.Assertions.assertNotNull;
22 import static org.junit.jupiter.api.Assertions.assertNull;
23 import static org.junit.jupiter.api.Assertions.assertTrue;
24
25 import java.lang.reflect.Constructor;
26 import java.lang.reflect.Modifier;
27
28 import org.junit.jupiter.api.Test;
29
30
31
32
33 public class CharSetUtilsTest extends AbstractLangTest {
34
35 @Test
36 public void testConstructor() {
37 assertNotNull(new CharSetUtils());
38 final Constructor<?>[] cons = CharSetUtils.class.getDeclaredConstructors();
39 assertEquals(1, cons.length);
40 assertTrue(Modifier.isPublic(cons[0].getModifiers()));
41 assertTrue(Modifier.isPublic(CharSetUtils.class.getModifiers()));
42 assertFalse(Modifier.isFinal(CharSetUtils.class.getModifiers()));
43 }
44
45 @Test
46 public void testContainsAny_StringString() {
47 assertFalse(CharSetUtils.containsAny(null, (String) null));
48 assertFalse(CharSetUtils.containsAny(null, ""));
49
50 assertFalse(CharSetUtils.containsAny("", (String) null));
51 assertFalse(CharSetUtils.containsAny("", ""));
52 assertFalse(CharSetUtils.containsAny("", "a-e"));
53
54 assertFalse(CharSetUtils.containsAny("hello", (String) null));
55 assertFalse(CharSetUtils.containsAny("hello", ""));
56 assertTrue(CharSetUtils.containsAny("hello", "a-e"));
57 assertTrue(CharSetUtils.containsAny("hello", "l-p"));
58 }
59
60 @Test
61 public void testContainsAny_StringStringarray() {
62 assertFalse(CharSetUtils.containsAny(null, (String[]) null));
63 assertFalse(CharSetUtils.containsAny(null));
64 assertFalse(CharSetUtils.containsAny(null, null));
65 assertFalse(CharSetUtils.containsAny(null, "a-e"));
66
67 assertFalse(CharSetUtils.containsAny("", (String[]) null));
68 assertFalse(CharSetUtils.containsAny(""));
69 assertFalse(CharSetUtils.containsAny("", null));
70 assertFalse(CharSetUtils.containsAny("", "a-e"));
71
72 assertFalse(CharSetUtils.containsAny("hello", (String[]) null));
73 assertFalse(CharSetUtils.containsAny("hello"));
74 assertFalse(CharSetUtils.containsAny("hello", null));
75 assertTrue(CharSetUtils.containsAny("hello", "a-e"));
76
77 assertTrue(CharSetUtils.containsAny("hello", "el"));
78 assertFalse(CharSetUtils.containsAny("hello", "x"));
79 assertTrue(CharSetUtils.containsAny("hello", "e-i"));
80 assertTrue(CharSetUtils.containsAny("hello", "a-z"));
81 assertFalse(CharSetUtils.containsAny("hello", ""));
82 }
83
84 @Test
85 public void testCount_StringString() {
86 assertEquals(0, CharSetUtils.count(null, (String) null));
87 assertEquals(0, CharSetUtils.count(null, ""));
88
89 assertEquals(0, CharSetUtils.count("", (String) null));
90 assertEquals(0, CharSetUtils.count("", ""));
91 assertEquals(0, CharSetUtils.count("", "a-e"));
92
93 assertEquals(0, CharSetUtils.count("hello", (String) null));
94 assertEquals(0, CharSetUtils.count("hello", ""));
95 assertEquals(1, CharSetUtils.count("hello", "a-e"));
96 assertEquals(3, CharSetUtils.count("hello", "l-p"));
97 }
98
99 @Test
100 public void testCount_StringStringarray() {
101 assertEquals(0, CharSetUtils.count(null, (String[]) null));
102 assertEquals(0, CharSetUtils.count(null));
103 assertEquals(0, CharSetUtils.count(null, null));
104 assertEquals(0, CharSetUtils.count(null, "a-e"));
105
106 assertEquals(0, CharSetUtils.count("", (String[]) null));
107 assertEquals(0, CharSetUtils.count(""));
108 assertEquals(0, CharSetUtils.count("", null));
109 assertEquals(0, CharSetUtils.count("", "a-e"));
110
111 assertEquals(0, CharSetUtils.count("hello", (String[]) null));
112 assertEquals(0, CharSetUtils.count("hello"));
113 assertEquals(0, CharSetUtils.count("hello", null));
114 assertEquals(1, CharSetUtils.count("hello", "a-e"));
115
116 assertEquals(3, CharSetUtils.count("hello", "el"));
117 assertEquals(0, CharSetUtils.count("hello", "x"));
118 assertEquals(2, CharSetUtils.count("hello", "e-i"));
119 assertEquals(5, CharSetUtils.count("hello", "a-z"));
120 assertEquals(0, CharSetUtils.count("hello", ""));
121 }
122
123 @Test
124 public void testDelete_StringString() {
125 assertNull(CharSetUtils.delete(null, (String) null));
126 assertNull(CharSetUtils.delete(null, ""));
127
128 assertEquals("", CharSetUtils.delete("", (String) null));
129 assertEquals("", CharSetUtils.delete("", ""));
130 assertEquals("", CharSetUtils.delete("", "a-e"));
131
132 assertEquals("hello", CharSetUtils.delete("hello", (String) null));
133 assertEquals("hello", CharSetUtils.delete("hello", ""));
134 assertEquals("hllo", CharSetUtils.delete("hello", "a-e"));
135 assertEquals("he", CharSetUtils.delete("hello", "l-p"));
136 assertEquals("hello", CharSetUtils.delete("hello", "z"));
137 }
138
139 @Test
140 public void testDelete_StringStringarray() {
141 assertNull(CharSetUtils.delete(null, (String[]) null));
142 assertNull(CharSetUtils.delete(null));
143 assertNull(CharSetUtils.delete(null, null));
144 assertNull(CharSetUtils.delete(null, "el"));
145
146 assertEquals("", CharSetUtils.delete("", (String[]) null));
147 assertEquals("", CharSetUtils.delete(""));
148 assertEquals("", CharSetUtils.delete("", null));
149 assertEquals("", CharSetUtils.delete("", "a-e"));
150
151 assertEquals("hello", CharSetUtils.delete("hello", (String[]) null));
152 assertEquals("hello", CharSetUtils.delete("hello"));
153 assertEquals("hello", CharSetUtils.delete("hello", null));
154 assertEquals("hello", CharSetUtils.delete("hello", "xyz"));
155
156 assertEquals("ho", CharSetUtils.delete("hello", "el"));
157 assertEquals("", CharSetUtils.delete("hello", "elho"));
158 assertEquals("hello", CharSetUtils.delete("hello", ""));
159 assertEquals("hello", CharSetUtils.delete("hello", ""));
160 assertEquals("", CharSetUtils.delete("hello", "a-z"));
161 assertEquals("", CharSetUtils.delete("----", "-"));
162 assertEquals("heo", CharSetUtils.delete("hello", "l"));
163 }
164
165 @Test
166 public void testKeep_StringString() {
167 assertNull(CharSetUtils.keep(null, (String) null));
168 assertNull(CharSetUtils.keep(null, ""));
169
170 assertEquals("", CharSetUtils.keep("", (String) null));
171 assertEquals("", CharSetUtils.keep("", ""));
172 assertEquals("", CharSetUtils.keep("", "a-e"));
173
174 assertEquals("", CharSetUtils.keep("hello", (String) null));
175 assertEquals("", CharSetUtils.keep("hello", ""));
176 assertEquals("", CharSetUtils.keep("hello", "xyz"));
177 assertEquals("hello", CharSetUtils.keep("hello", "a-z"));
178 assertEquals("hello", CharSetUtils.keep("hello", "oleh"));
179 assertEquals("ell", CharSetUtils.keep("hello", "el"));
180 }
181
182 @Test
183 public void testKeep_StringStringarray() {
184 assertNull(CharSetUtils.keep(null, (String[]) null));
185 assertNull(CharSetUtils.keep(null));
186 assertNull(CharSetUtils.keep(null, null));
187 assertNull(CharSetUtils.keep(null, "a-e"));
188
189 assertEquals("", CharSetUtils.keep("", (String[]) null));
190 assertEquals("", CharSetUtils.keep(""));
191 assertEquals("", CharSetUtils.keep("", null));
192 assertEquals("", CharSetUtils.keep("", "a-e"));
193
194 assertEquals("", CharSetUtils.keep("hello", (String[]) null));
195 assertEquals("", CharSetUtils.keep("hello"));
196 assertEquals("", CharSetUtils.keep("hello", null));
197 assertEquals("e", CharSetUtils.keep("hello", "a-e"));
198
199 assertEquals("e", CharSetUtils.keep("hello", "a-e"));
200 assertEquals("ell", CharSetUtils.keep("hello", "el"));
201 assertEquals("hello", CharSetUtils.keep("hello", "elho"));
202 assertEquals("hello", CharSetUtils.keep("hello", "a-z"));
203 assertEquals("----", CharSetUtils.keep("----", "-"));
204 assertEquals("ll", CharSetUtils.keep("hello", "l"));
205 }
206
207 @Test
208 public void testSqueeze_StringString() {
209 assertNull(CharSetUtils.squeeze(null, (String) null));
210 assertNull(CharSetUtils.squeeze(null, ""));
211
212 assertEquals("", CharSetUtils.squeeze("", (String) null));
213 assertEquals("", CharSetUtils.squeeze("", ""));
214 assertEquals("", CharSetUtils.squeeze("", "a-e"));
215
216 assertEquals("hello", CharSetUtils.squeeze("hello", (String) null));
217 assertEquals("hello", CharSetUtils.squeeze("hello", ""));
218 assertEquals("hello", CharSetUtils.squeeze("hello", "a-e"));
219 assertEquals("helo", CharSetUtils.squeeze("hello", "l-p"));
220 assertEquals("heloo", CharSetUtils.squeeze("helloo", "l"));
221 assertEquals("hello", CharSetUtils.squeeze("helloo", "^l"));
222 }
223
224 @Test
225 public void testSqueeze_StringStringarray() {
226 assertNull(CharSetUtils.squeeze(null, (String[]) null));
227 assertNull(CharSetUtils.squeeze(null));
228 assertNull(CharSetUtils.squeeze(null, null));
229 assertNull(CharSetUtils.squeeze(null, "el"));
230
231 assertEquals("", CharSetUtils.squeeze("", (String[]) null));
232 assertEquals("", CharSetUtils.squeeze(""));
233 assertEquals("", CharSetUtils.squeeze("", null));
234 assertEquals("", CharSetUtils.squeeze("", "a-e"));
235
236 assertEquals("hello", CharSetUtils.squeeze("hello", (String[]) null));
237 assertEquals("hello", CharSetUtils.squeeze("hello"));
238 assertEquals("hello", CharSetUtils.squeeze("hello", null));
239 assertEquals("hello", CharSetUtils.squeeze("hello", "a-e"));
240
241 assertEquals("helo", CharSetUtils.squeeze("hello", "el"));
242 assertEquals("hello", CharSetUtils.squeeze("hello", "e"));
243 assertEquals("fofof", CharSetUtils.squeeze("fooffooff", "of"));
244 assertEquals("fof", CharSetUtils.squeeze("fooooff", "fo"));
245 }
246
247 }