1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 /*
24 * @test
25 * @bug 8177552
26 * @summary Checks the rounding of formatted number in compact number formatting
27 * @run testng/othervm TestCNFRounding
28 */
29
30 import java.math.RoundingMode;
31 import java.text.NumberFormat;
32 import java.util.List;
33 import java.util.Locale;
34 import static org.testng.Assert.*;
35 import org.testng.annotations.DataProvider;
36 import org.testng.annotations.Test;
37
38 public class TestCNFRounding {
39
40 private static final List<RoundingMode> MODES = List.of(
41 RoundingMode.HALF_EVEN,
42 RoundingMode.HALF_UP,
43 RoundingMode.HALF_DOWN,
44 RoundingMode.UP,
45 RoundingMode.DOWN,
46 RoundingMode.CEILING,
47 RoundingMode.FLOOR);
48
49 @DataProvider(name = "roundingData")
50 Object[][] roundingData() {
51 return new Object[][]{
52 // Number, half_even, half_up, half_down, up, down, ceiling, floor
53 {5500, new String[]{"6K", "6K", "5K", "6K", "5K", "6K", "5K"}},
54 {2500, new String[]{"2K", "3K", "2K", "3K", "2K", "3K", "2K"}},
55 {1600, new String[]{"2K", "2K", "2K", "2K", "1K", "2K", "1K"}},
56 {1100, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
57 {1000, new String[]{"1K", "1K", "1K", "1K", "1K", "1K", "1K"}},
58 {-1000, new String[]{"-1K", "-1K", "-1K", "-1K", "-1K", "-1K", "-1K"}},
59 {-1100, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
60 {-1600, new String[]{"-2K", "-2K", "-2K", "-2K", "-1K", "-1K", "-2K"}},
61 {-2500, new String[]{"-2K", "-3K", "-2K", "-3K", "-2K", "-2K", "-3K"}},
62 {-5500, new String[]{"-6K", "-6K", "-5K", "-6K", "-5K", "-5K", "-6K"}},
63 {5501, new String[]{"6K", "6K", "6K", "6K", "5K", "6K", "5K"}},
64 {-5501, new String[]{"-6K", "-6K", "-6K", "-6K", "-5K", "-5K", "-6K"}},
65 {1001, new String[]{"1K", "1K", "1K", "2K", "1K", "2K", "1K"}},
66 {-1001, new String[]{"-1K", "-1K", "-1K", "-2K", "-1K", "-1K", "-2K"}},
67 {4501, new String[]{"5K", "5K", "5K", "5K", "4K", "5K", "4K"}},
68 {-4501, new String[]{"-5K", "-5K", "-5K", "-5K", "-4K", "-4K", "-5K"}},
69 {4500, new String[]{"4K", "5K", "4K", "5K", "4K", "5K", "4K"}},
70 {-4500, new String[]{"-4K", "-5K", "-4K", "-5K", "-4K", "-4K", "-5K"}},};
71 }
72
73 @DataProvider(name = "roundingFract")
74 Object[][] roundingFract() {
75 return new Object[][]{
76 // Number, half_even, half_up, half_down, up, down, ceiling, floor
77 {5550, new String[]{"5.5K", "5.5K", "5.5K", "5.6K", "5.5K", "5.6K", "5.5K"}},
78 {2550, new String[]{"2.5K", "2.5K", "2.5K", "2.6K", "2.5K", "2.6K", "2.5K"}},
79 {1660, new String[]{"1.7K", "1.7K", "1.7K", "1.7K", "1.6K", "1.7K", "1.6K"}},
80 {1110, new String[]{"1.1K", "1.1K", "1.1K", "1.2K", "1.1K", "1.2K", "1.1K"}},
81 {1000, new String[]{"1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K", "1.0K"}},
82 {-1000, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K", "-1.0K"}},
83 {-1110, new String[]{"-1.1K", "-1.1K", "-1.1K", "-1.2K", "-1.1K", "-1.1K", "-1.2K"}},
84 {-1660, new String[]{"-1.7K", "-1.7K", "-1.7K", "-1.7K", "-1.6K", "-1.6K", "-1.7K"}},
85 {-2550, new String[]{"-2.5K", "-2.5K", "-2.5K", "-2.6K", "-2.5K", "-2.5K", "-2.6K"}},
86 {-5550, new String[]{"-5.5K", "-5.5K", "-5.5K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
87 {5551, new String[]{"5.6K", "5.6K", "5.6K", "5.6K", "5.5K", "5.6K", "5.5K"}},
88 {-5551, new String[]{"-5.6K", "-5.6K", "-5.6K", "-5.6K", "-5.5K", "-5.5K", "-5.6K"}},
89 {1001, new String[]{"1.0K", "1.0K", "1.0K", "1.1K", "1.0K", "1.1K", "1.0K"}},
90 {-1001, new String[]{"-1.0K", "-1.0K", "-1.0K", "-1.1K", "-1.0K", "-1.0K", "-1.1K"}},
91 {4551, new String[]{"4.6K", "4.6K", "4.6K", "4.6K", "4.5K", "4.6K", "4.5K"}},
92 {-4551, new String[]{"-4.6K", "-4.6K", "-4.6K", "-4.6K", "-4.5K", "-4.5K", "-4.6K"}},
93 {4500, new String[]{"4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K", "4.5K"}},
94 {-4500, new String[]{"-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K", "-4.5K"}},};
95 }
96
97 @DataProvider(name = "rounding2Fract")
98 Object[][] rounding2Fract() {
99 return new Object[][]{
100 // Number, half_even, half_up, half_down
101 {1115, new String[]{"1.11K", "1.11K", "1.11K"}},
102 {1125, new String[]{"1.12K", "1.13K", "1.12K"}},
103 {1135, new String[]{"1.14K", "1.14K", "1.14K"}},
104 {3115, new String[]{"3.12K", "3.12K", "3.12K"}},
105 {3125, new String[]{"3.12K", "3.13K", "3.12K"}},
106 {3135, new String[]{"3.13K", "3.13K", "3.13K"}},
107 {6865, new String[]{"6.87K", "6.87K", "6.87K"}},
108 {6875, new String[]{"6.88K", "6.88K", "6.87K"}},
109 {6885, new String[]{"6.88K", "6.88K", "6.88K"}},
110 {3124, new String[]{"3.12K", "3.12K", "3.12K"}},
111 {3126, new String[]{"3.13K", "3.13K", "3.13K"}},
112 {3128, new String[]{"3.13K", "3.13K", "3.13K"}},
113 {6864, new String[]{"6.86K", "6.86K", "6.86K"}},
114 {6865, new String[]{"6.87K", "6.87K", "6.87K"}},
115 {6868, new String[]{"6.87K", "6.87K", "6.87K"}},
116 {4685, new String[]{"4.68K", "4.68K", "4.68K"}},
117 {4687, new String[]{"4.69K", "4.69K", "4.69K"}},
118 {4686, new String[]{"4.69K", "4.69K", "4.69K"}},};
119 }
120
121 @Test(expectedExceptions = NullPointerException.class)
122 public void testNullMode() {
123 NumberFormat fmt = NumberFormat
124 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
125 fmt.setRoundingMode(null);
126 }
127
128 @Test
129 public void testDefaultRoundingMode() {
130 NumberFormat fmt = NumberFormat
131 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
132 assertEquals(fmt.getRoundingMode(), RoundingMode.HALF_EVEN,
133 "Default RoundingMode should be " + RoundingMode.HALF_EVEN);
134 }
135
136 @Test(dataProvider = "roundingData")
137 public void testRounding(Object number, String[] expected) {
138 for (int index = 0; index < MODES.size(); index++) {
139 testRoundingMode(number, expected[index], 0, MODES.get(index));
140 }
141 }
142
143 @Test(dataProvider = "roundingFract")
144 public void testRoundingFract(Object number, String[] expected) {
145 for (int index = 0; index < MODES.size(); index++) {
146 testRoundingMode(number, expected[index], 1, MODES.get(index));
147 }
148 }
149
150 @Test(dataProvider = "rounding2Fract")
151 public void testRounding2Fract(Object number, String[] expected) {
152 List<RoundingMode> rModes = List.of(RoundingMode.HALF_EVEN,
153 RoundingMode.HALF_UP, RoundingMode.HALF_DOWN);
154 for (int index = 0; index < rModes.size(); index++) {
155 testRoundingMode(number, expected[index], 2, rModes.get(index));
156 }
157 }
158
159 private void testRoundingMode(Object number, String expected,
160 int fraction, RoundingMode rounding) {
161 NumberFormat fmt = NumberFormat
162 .getCompactNumberInstance(Locale.US, NumberFormat.Style.SHORT);
163 fmt.setRoundingMode(rounding);
164 assertEquals(fmt.getRoundingMode(), rounding,
165 "RoundingMode set is not returned by getRoundingMode");
166
167 fmt.setMinimumFractionDigits(fraction);
168 String result = fmt.format(number);
169 assertEquals(result, expected, "Incorrect formatting of number "
170 + number + " using rounding mode: " + rounding);
171 }
172
173 }