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RangeElementsIteratorTest | 31 | 49 | 18 |
1 | /* | |
2 | * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) | |
3 | * Copyright (C) $$Year-Rel$$ The Jalview Authors | |
4 | * | |
5 | * This file is part of Jalview. | |
6 | * | |
7 | * Jalview is free software: you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation, either version 3 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * Jalview is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty | |
14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR | |
15 | * PURPOSE. See the GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with Jalview. If not, see <http://www.gnu.org/licenses/>. | |
19 | * The Jalview Authors are detailed in the 'AUTHORS' file. | |
20 | */ | |
21 | package jalview.datamodel; | |
22 | ||
23 | import static org.testng.Assert.assertTrue; | |
24 | ||
25 | import java.util.Iterator; | |
26 | import java.util.NoSuchElementException; | |
27 | ||
28 | import org.testng.annotations.BeforeClass; | |
29 | import org.testng.annotations.Test; | |
30 | ||
31 | public class RangeElementsIteratorTest | |
32 | { | |
33 | HiddenColumns hiddenCols; | |
34 | ||
35 | HiddenColumns hiddenColsAtStart; | |
36 | ||
37 | 1 | @BeforeClass(groups = { "Functional" }) |
38 | public void setup() | |
39 | { | |
40 | 1 | hiddenCols = new HiddenColumns(); |
41 | 1 | hiddenCols.hideColumns(2, 4); |
42 | ||
43 | 1 | hiddenColsAtStart = new HiddenColumns(); |
44 | 1 | hiddenColsAtStart.hideColumns(0, 2); |
45 | } | |
46 | ||
47 | /* | |
48 | * Test iterator iterates correctly through the columns | |
49 | * when alignment has hidden cols | |
50 | */ | |
51 | 1 | @Test(groups = { "Functional" }) |
52 | public void testHasNextAndNextWithHidden() | |
53 | { | |
54 | 1 | Iterator<Integer> it = hiddenCols.getVisibleColsIterator(0, 6); |
55 | 1 | int count = 0; |
56 | 5 | while (it.hasNext()) |
57 | { | |
58 | 4 | int result = it.next(); |
59 | 4 | System.out.println(result); |
60 | 4 | count++; |
61 | } | |
62 | 1 | assertTrue(count == 4, "hasNext() is false after 4 iterations"); |
63 | } | |
64 | ||
65 | /* | |
66 | * Test iterator iterates correctly through the columns | |
67 | * when alignment has no hidden cols | |
68 | */ | |
69 | 1 | @Test(groups = { "Functional" }) |
70 | public void testHasNextAndNextNoHidden() | |
71 | { | |
72 | 1 | HiddenColumns test = new HiddenColumns(); |
73 | 1 | Iterator<Integer> it2 = test.getVisibleColsIterator(0, 3); |
74 | 1 | int count = 0; |
75 | 5 | while (it2.hasNext()) |
76 | { | |
77 | 4 | it2.next(); |
78 | 4 | count++; |
79 | } | |
80 | 1 | assertTrue(count == 4, "hasNext() is false after 4 iterations"); |
81 | } | |
82 | ||
83 | /* | |
84 | * Test iterator iterates correctly through the columns | |
85 | * when alignment has hidden cols at start | |
86 | */ | |
87 | 1 | @Test(groups = { "Functional" }) |
88 | public void testHasNextAndNextStartHidden() | |
89 | { | |
90 | 1 | Iterator<Integer> it3 = hiddenColsAtStart.getVisibleColsIterator(0, 6); |
91 | 1 | int count = 0; |
92 | 5 | while (it3.hasNext()) |
93 | { | |
94 | 4 | it3.next(); |
95 | 4 | count++; |
96 | } | |
97 | 1 | assertTrue(count == 4, "hasNext() is false after 4 iterations"); |
98 | } | |
99 | ||
100 | /* | |
101 | * Test iterator iterates correctly through the columns | |
102 | * when alignment has hidden cols at end | |
103 | */ | |
104 | 1 | @Test(groups = { "Functional" }) |
105 | public void testHasNextAndNextEndHidden() | |
106 | { | |
107 | 1 | Iterator<Integer> it4 = hiddenCols.getVisibleColsIterator(0, 4); |
108 | 1 | int count = 0; |
109 | 3 | while (it4.hasNext()) |
110 | { | |
111 | 2 | it4.next(); |
112 | 2 | count++; |
113 | } | |
114 | 1 | assertTrue(count == 2, "hasNext() is false after 2 iterations"); |
115 | ||
116 | } | |
117 | ||
118 | /* | |
119 | * Test iterator always throws NoSuchElementException at end of iteration | |
120 | * when alignment has hidden cols | |
121 | */ | |
122 | 1 | @Test( |
123 | groups = | |
124 | { "Functional" }, | |
125 | expectedExceptions = | |
126 | { NoSuchElementException.class }) | |
127 | public void testLastNextWithHidden() throws NoSuchElementException | |
128 | { | |
129 | 1 | Iterator<Integer> it = hiddenCols.getVisibleColsIterator(0, 3); |
130 | 3 | while (it.hasNext()) |
131 | { | |
132 | 2 | it.next(); |
133 | } | |
134 | 1 | it.next(); |
135 | } | |
136 | ||
137 | /* | |
138 | * Test iterator always throws NoSuchElementException at end of iteration | |
139 | * when alignment has no hidden cols | |
140 | */ | |
141 | 1 | @Test( |
142 | groups = | |
143 | { "Functional" }, | |
144 | expectedExceptions = | |
145 | { NoSuchElementException.class }) | |
146 | public void testLastNextNoHidden() throws NoSuchElementException | |
147 | { | |
148 | 1 | HiddenColumns test = new HiddenColumns(); |
149 | 1 | Iterator<Integer> it2 = test.getVisibleColsIterator(0, 3); |
150 | 5 | while (it2.hasNext()) |
151 | { | |
152 | 4 | it2.next(); |
153 | } | |
154 | 1 | it2.next(); |
155 | } | |
156 | ||
157 | /* | |
158 | * Test iterator always throws NoSuchElementException at end of iteration | |
159 | * when alignment has hidden cols at start | |
160 | */ | |
161 | 1 | @Test( |
162 | groups = | |
163 | { "Functional" }, | |
164 | expectedExceptions = | |
165 | { NoSuchElementException.class }) | |
166 | public void testLastNextStartHidden() throws NoSuchElementException | |
167 | { | |
168 | 1 | Iterator<Integer> it3 = hiddenColsAtStart.getVisibleColsIterator(0, 6); |
169 | 5 | while (it3.hasNext()) |
170 | { | |
171 | 4 | it3.next(); |
172 | } | |
173 | 1 | it3.next(); |
174 | } | |
175 | ||
176 | /* | |
177 | * Test iterator always throws NoSuchElementException at end of iteration | |
178 | * when alignment has hidden cols at end | |
179 | */ | |
180 | 1 | @Test( |
181 | groups = | |
182 | { "Functional" }, | |
183 | expectedExceptions = | |
184 | { NoSuchElementException.class }) | |
185 | public void testLastNextEndHidden() throws NoSuchElementException | |
186 | { | |
187 | 1 | Iterator<Integer> it4 = hiddenCols.getVisibleColsIterator(0, 4); |
188 | 3 | while (it4.hasNext()) |
189 | { | |
190 | 2 | it4.next(); |
191 | } | |
192 | 1 | it4.next(); |
193 | } | |
194 | ||
195 | /* | |
196 | * Test calls to remove throw UnsupportedOperationException | |
197 | */ | |
198 | 1 | @Test( |
199 | groups = | |
200 | { "Functional" }, | |
201 | expectedExceptions = | |
202 | { UnsupportedOperationException.class }) | |
203 | public void testRemove() throws UnsupportedOperationException | |
204 | { | |
205 | 1 | Iterator<Integer> it = hiddenCols.getVisibleColsIterator(0, 3); |
206 | 1 | it.remove(); |
207 | } | |
208 | } |