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  1. Project Clover database Fri Dec 6 2024 13:47:14 GMT
  2. Package jalview.datamodel

File AllColsIteratorTest.java

 

Code metrics

6
21
5
1
105
64
8
0.38
4.2
5
1.6

Classes

Class Line # Actions
AllColsIteratorTest 30 21 8
1.0100%
 

Contributing tests

This file is covered by 4 tests. .

Source view

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.NoSuchElementException;
26   
27    import org.testng.annotations.BeforeClass;
28    import org.testng.annotations.Test;
29   
 
30    public class AllColsIteratorTest
31    {
32    HiddenColumns hiddenCols;
33   
 
34  1 toggle @BeforeClass(alwaysRun = true)
35    public void setup()
36    {
37  1 hiddenCols = new HiddenColumns();
38  1 hiddenCols.hideColumns(2, 4);
39    }
40   
41    /*
42    * Test iterator iterates through collection correctly
43    */
 
44  1 toggle @Test(groups = { "Functional" })
45    public void testHasNextAndNext()
46    {
47  1 AllColsIterator it = new AllColsIterator(0, 3, hiddenCols);
48  1 int count = 0;
49  5 while (it.hasNext())
50    {
51  4 it.next();
52  4 count++;
53    }
54  1 assertTrue(count == 4, "hasNext() is false after 4 iterations");
55    }
56   
57    /*
58    * Test iterator throws NoSuchElementException at end of iteration
59    */
 
60  1 toggle @Test(
61    groups =
62    { "Functional" },
63    expectedExceptions =
64    { NoSuchElementException.class })
65    public void testLastNext() throws NoSuchElementException
66    {
67  1 AllColsIterator it = new AllColsIterator(0, 3, hiddenCols);
68  5 while (it.hasNext())
69    {
70  4 it.next();
71    }
72  1 it.next();
73    }
74   
75    /*
76    * Test iterator throws UnsupportedOperationException on call to remove
77    */
 
78  1 toggle @Test(
79    groups =
80    { "Functional" },
81    expectedExceptions =
82    { UnsupportedOperationException.class })
83    public void testRemove() throws UnsupportedOperationException
84    {
85  1 AllColsIterator it = new AllColsIterator(0, 3, hiddenCols);
86  1 it.remove();
87    }
88   
89    /*
90    * Test iterator behaves correctly when there is only one element in the collection
91    */
 
92  1 toggle @Test(groups = { "Functional" })
93    public void testOneElement()
94    {
95  1 HiddenColumns hidden = new HiddenColumns();
96  1 AllColsIterator it = new AllColsIterator(0, 0, hidden);
97  1 int count = 0;
98  2 while (it.hasNext())
99    {
100  1 it.next();
101  1 count++;
102    }
103  1 assertTrue(count == 1, "hasNext() is false after 1 iteration");
104    }
105    }