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FormatTest | 31 | 66 | 9 |
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 | @BeforeClass(alwaysRun = true) |
35 | public void setUpJvOptionPane() | |
36 | { | |
37 | 1 | JvOptionPane.setInteractiveMode(false); |
38 | 1 | JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION); |
39 | } | |
40 | ||
41 | 1 | @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 | @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 | @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 | @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 | @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 | @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 | } |