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

File FormatTest.java

 

Code metrics

4
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Classes

Class
Line #
Actions
FormatTest 31 66 9
0.7272727572.7%
 

Contributing tests

This file is covered by 5 tests. .

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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.util;
22   
23    import static org.testng.Assert.assertEquals;
24    import static org.testng.Assert.assertTrue;
25   
26    import jalview.gui.JvOptionPane;
27   
28    import org.testng.annotations.BeforeClass;
29    import org.testng.annotations.Test;
30   
 
31    public class FormatTest
32    {
33   
 
34  1 toggle @BeforeClass(alwaysRun = true)
35    public void setUpJvOptionPane()
36    {
37  1 JvOptionPane.setInteractiveMode(false);
38  1 JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
39    }
40   
 
41  1 toggle @Test(groups = "Functional")
42    public void testAppendPercentage()
43    {
44  1 StringBuilder sb = new StringBuilder();
45  1 Format.appendPercentage(sb, 123.436f, 0);
46  1 assertEquals(sb.toString(), "123");
47   
48  1 sb.setLength(0);
49  1 Format.appendPercentage(sb, 123.536f, 0);
50  1 assertEquals(sb.toString(), "124");
51   
52  1 sb.setLength(0);
53  1 Format.appendPercentage(sb, 799.536f, 0);
54  1 assertEquals(sb.toString(), "800");
55   
56  1 sb.setLength(0);
57  1 Format.appendPercentage(sb, 123.436f, 1);
58  1 assertEquals(sb.toString(), "123.4");
59   
60  1 sb.setLength(0);
61  1 Format.appendPercentage(sb, 123.436f, 2);
62  1 assertEquals(sb.toString(), "123.44");
63   
64  1 sb.setLength(0);
65  1 Format.appendPercentage(sb, 123.436f, 3);
66  1 assertEquals(sb.toString(), "123.436");
67   
68  1 sb.setLength(0);
69  1 Format.appendPercentage(sb, 123.436f, 4);
70  1 assertEquals(sb.toString(), "123.4360");
71    }
72   
 
73  1 toggle @Test(groups = "Functional")
74    public void testForm_float()
75    {
76  1 Format f = new Format("%3.2f");
77  1 assertEquals(f.form(123f), "123.00");
78  1 assertEquals(f.form(123.1f), "123.10");
79  1 assertEquals(f.form(123.12f), "123.12");
80  1 assertEquals(f.form(123.124f), "123.12");
81  1 assertEquals(f.form(123.125f), "123.13");
82  1 assertEquals(f.form(123.126f), "123.13");
83   
84  1 f = new Format("%3.0f");
85  1 assertEquals(f.form(123f), "123.");
86  1 assertEquals(f.form(12f), "12.");
87  1 assertEquals(f.form(123.4f), "123.");
88  1 assertEquals(f.form(123.5f), "124.");
89  1 assertEquals(f.form(123.6f), "124.");
90  1 assertEquals(f.form(129.6f), "130.");
91    }
92   
 
93  1 toggle @Test(groups = "Functional")
94    public void testRepeat()
95    {
96  1 assertEquals(Format.repeat('a', 3), "aaa");
97  1 assertEquals(Format.repeat('b', 0), "");
98  1 assertEquals(Format.repeat('c', -1), "");
99    }
100   
 
101  1 toggle @Test(groups = "Functional")
102    public void testFormat_scientific()
103    {
104  1 Format f = new Format("%3.4e");
105  1 double d = 1d;
106  1 assertEquals(f.form(d), "1.0000e+000");
107  1 assertEquals(String.format("%3.4e", d), "1.0000e+00");
108   
109  1 d = 12345678.12345678d;
110  1 assertEquals(f.form(d), "1.2346e+007");
111  1 assertEquals(String.format("%3.4e", d), "1.2346e+07");
112    }
113   
114    /**
115    * Test that fails (in 2.10.1) with timeout as there is an infinite loop in
116    * Format.exp_format()
117    */
 
118  1 toggle @Test(groups = "Functional", timeOut = 500)
119    public void testFormat_scientific_overflow()
120    {
121  1 Format f = new Format("%3.4e");
122  1 double d = 1.12E-310;
123    /*
124    * problem: exp_format() scales up 'd' to the range 1-10
125    * while computing a scaling factor, but this factor acquires
126    * the value Double.POSITIVE_INFINITY instead of 1.0E+309
127    * the value to be formatted is multipled by factor and becomes Infinity
128    * resulting in an infinite loop in the recursive call to exp_format()
129    */
130  1 assertEquals(f.form(d), "1.1200e-310");
131    }
132   
133    /**
134    * This test shows that Format.form() is faster for this case than
135    * String.format()
136    */
 
137  0 toggle @Test(groups = "Timing")
138    public void testFormat_scientificTiming()
139    {
140  0 Format f = new Format("%3.4e");
141  0 double d = 12345678.12345678d;
142   
143  0 int iterations = 1000;
144  0 long start = System.currentTimeMillis();
145  0 for (int i = 0; i < iterations; i++)
146    {
147  0 f.form(d);
148    }
149  0 long stop = System.currentTimeMillis();
150  0 long elapsed1 = stop - start;
151  0 System.out
152    .println(iterations + " x Format.form took " + elapsed1 + "ms");
153   
154  0 start = System.currentTimeMillis();
155  0 for (int i = 0; i < iterations; i++)
156    {
157  0 String.format("%3.4e", d);
158    }
159  0 stop = System.currentTimeMillis();
160  0 long elapsed2 = stop - start;
161  0 System.out.println(
162    iterations + " x String.format took " + elapsed2 + "ms");
163  0 assertTrue(elapsed2 > elapsed1);
164    }
165    }