1 /*
2 * Copyright (c) 2003, 2016, 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 /*
25 * @test
26 * @bug 4838107 8008577
27 * @summary Confirm that DecimalFormat can format a number with negative exponent number correctly.
28 * @library /java/text/testlib
29 * @run main/othervm -Djava.locale.providers=COMPAT,SPI Bug4838107
30 */
31
32 import java.math.*;
33 import java.util.*;
34 import java.text.*;
35
36 public class Bug4838107 extends IntlTest {
37
38 static DecimalFormat df;
39 static DecimalFormatSymbols dfs;
40 static boolean err = false;
41
42 static public void main(String[] args) {
43 Locale defaultLoc = Locale.getDefault();
44 Locale.setDefault(Locale.US);
45
46 /**
47 * This bug is about exponential formatting. But I added test cases for:
48 * - Double and BigDecimal numbers which don't have exponent parts.
49 * - Long and BigInteger numbers which don't support exponential
50 * notation.
51 * because there are few test cases for suffix and prefix.
52 * And also, I added test cases to guarantee further formatting and
53 * parsing using the same DecimalFormat instance will not change the
54 * Number's value anymore.
55 */
56
57 test_double();
58 test_long();
59 test_BigDecimal();
60 test_BigInteger();
61
62 Locale.setDefault(defaultLoc);
63
64 if (err) {
65 throw new RuntimeException("Wrong format with DecimalFormat");
66 }
67 }
68
69 static void test_double() {
70 df = new DecimalFormat();
71 dfs = df.getDecimalFormatSymbols();
72
73 /* Test with default pattern */
74 test(new Double(1234), "1,234");
75 test(new Double(0.1234), "0.123"); // rounded
76 test(new Double(-1234), "-1,234");
77 test(new Double(-0.1234), "-0.123"); // rounded
78
79 test(new Double(Double.POSITIVE_INFINITY), "\u221e");
80 test(new Double(Double.NEGATIVE_INFINITY), "-\u221e");
81 test(new Double(Double.NaN), "\ufffd"); // without prefix and suffix
82 test(new Double(0.0), "0");
83 test(new Double(-0.0), "-0"); // with the minus sign
84
85 /* Specify a pattern and the minus sign. */
86 prepareFormatter("<P>#.###E00<S>", 'm');
87 test(new Double(1234), "<P>1.234E03<S>");
88 test(new Double(0.1234), "<P>1.234Em01<S>");
89 test(new Double(-1234), "m<P>1.234E03<S>");
90 test(new Double(-0.1234), "m<P>1.234Em01<S>");
91
92 prepareFormatter("<P>#.###E00<S>;#.###E00", 'm');
93 test(new Double(1234), "<P>1.234E03<S>");
94 test(new Double(0.1234), "<P>1.234Em01<S>");
95 test(new Double(-1234), "1.234E03");
96 test(new Double(-0.1234), "1.234Em01");
97
98 prepareFormatter("#.###E00;<P>#.###E00<S>", 'm');
99 test(new Double(1234), "1.234E03");
100 test(new Double(0.1234), "1.234Em01");
101 test(new Double(-1234), "<P>1.234E03<S>");
102 test(new Double(-0.1234), "<P>1.234Em01<S>");
103
104 prepareFormatter("<P>#.###E00<S>;<p>-#.###E00<s>", 'm');
105 test(new Double(1234), "<P>1.234E03<S>");
106 test(new Double(0.1234), "<P>1.234Em01<S>");
107 test(new Double(-1234), "<p>m1.234E03<s>");
108 test(new Double(-0.1234), "<p>m1.234Em01<s>");
109
110 test(new Double(Double.POSITIVE_INFINITY), "<P>\u221e<S>");
111 test(new Double(Double.NEGATIVE_INFINITY), "<p>m\u221e<s>");
112 test(new Double(Double.NaN), "\ufffd"); // without prefix and suffix
113 test(new Double(0.0), "<P>0E00<S>");
114 test(new Double(-0.0), "<p>m0E00<s>"); // with the minus sign
115 }
116
117 static void test_BigDecimal() {
118 df = new DecimalFormat();
119 dfs = df.getDecimalFormatSymbols();
120
121 /* Test with default pattern */
122 test(new BigDecimal("123456789012345678901234567890"),
123 "123,456,789,012,345,678,901,234,567,890");
124 test(new BigDecimal("0.000000000123456789012345678901234567890"),
125 "0");
126 test(new BigDecimal("-123456789012345678901234567890"),
127 "-123,456,789,012,345,678,901,234,567,890");
128 test(new BigDecimal("-0.000000000123456789012345678901234567890"),
129 "-0");
130
131 test(new BigDecimal("0"), "0");
132 test(new BigDecimal("-0"), "0");
133
134 /* Specify a pattern and the minus sign. */
135 prepareFormatter("<P>#.####################E00<S>;<p>-#.####################E00<s>", 'm');
136 test(new BigDecimal("123456789012345678901234567890"),
137 "<P>1.23456789012345678901E29<S>");
138 test(new BigDecimal("0.000000000123456789012345678901234567890"),
139 "<P>1.23456789012345678901Em10<S>");
140 test(new BigDecimal("-123456789012345678901234567890"),
141 "<p>m1.23456789012345678901E29<s>");
142 test(new BigDecimal("-0.000000000123456789012345678901234567890"),
143 "<p>m1.23456789012345678901Em10<s>");
144
145 test(new BigDecimal("0"), "<P>0E00<S>");
146 test(new BigDecimal("-0"), "<P>0E00<S>");
147 }
148
149 static void test_long() {
150 df = new DecimalFormat();
151 dfs = df.getDecimalFormatSymbols();
152
153 /* Test with default pattern */
154 test(new Long(123456789), "123,456,789");
155 test(new Long(-123456789), "-123,456,789");
156
157 test(new Long(0), "0");
158 test(new Long(-0), "0");
159
160 /* Specify a pattern and the minus sign. */
161 prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
162 test(new Long(123456789), "<P>123,456,789<S>");
163 test(new Long(-123456789), "<p>m123,456,789<s>");
164
165 test(new Long(0), "<P>0<S>");
166 test(new Long(-0), "<P>0<S>");
167 }
168
169 static void test_BigInteger() {
170 df = new DecimalFormat();
171 dfs = df.getDecimalFormatSymbols();
172
173 /* Test with default pattern */
174 test(new BigInteger("123456789012345678901234567890"),
175 "123,456,789,012,345,678,901,234,567,890");
176 test(new BigInteger("-123456789012345678901234567890"),
177 "-123,456,789,012,345,678,901,234,567,890");
178
179 test(new BigInteger("0"), "0");
180 test(new BigInteger("-0"), "0");
181
182 /* Specify a pattern and the minus sign. */
183 prepareFormatter("<P>#,###<S>;<p>-#,###<s>", 'm');
184 test(new BigInteger("123456789012345678901234567890"),
185 "<P>123,456,789,012,345,678,901,234,567,890<S>");
186 test(new BigInteger("-123456789012345678901234567890"),
187 "<p>m123,456,789,012,345,678,901,234,567,890<s>");
188
189 test(new BigInteger("0"), "<P>0<S>");
190 test(new BigInteger("-0"), "<P>0<S>");
191 }
192
193 static void prepareFormatter(String pattern, char minusSign) {
194 dfs = df.getDecimalFormatSymbols();
195 df.applyPattern(pattern);
196 dfs.setMinusSign(minusSign);
197 df.setDecimalFormatSymbols(dfs);
198 }
199
200 static void test(Number num, String str) {
201 String formatted = df.format(num);
202 if (!formatted.equals(str)) {
203 err = true;
204 System.err.println(" DecimalFormat format(" +
205 num.getClass().getName() +
206 ") error: \n\tnumber: " + num +
207 "\n\tminus sign: " + dfs.getMinusSign() +
208 "\n\tgot: " + formatted +
209 "\n\texpected: " + str);
210 return;
211 }
212
213 if (num instanceof BigDecimal || num instanceof BigInteger) {
214 df.setParseBigDecimal(true);
215 }
216 Number parsed1 = null, parsed2 = null;
217 try {
218 parsed1 = df.parse(formatted);
219 formatted = df.format(parsed1);
220 parsed2 = df.parse(formatted);
221 if (!parsed1.equals(parsed2)) {
222 err = true;
223 System.err.println(" DecimalFormat roundtrip parse(" +
224 num.getClass().getName() +
225 ") error: \n\toriginal number: " + str +
226 "\n\tparsed number: " + parsed1 +
227 " (" + parsed1.getClass().getName() + ")" +
228 "\n\tformatted number: " + formatted +
229 "\n\tre-parsed number: " + parsed2 +
230 " (" + parsed2.getClass().getName() + ")" +
231 "\n\tminus sign: " + dfs.getMinusSign());
232 }
233 }
234 catch (Exception e) {
235 err = true;
236 System.err.println(" DecimalFormat parse(" +
237 num.getClass().getName() +
238 ") threw an Exception: " + e.getMessage() +
239 "\n\toriginal number: " + str +
240 "\n\tparsed number : " + parsed1 +
241 " (" + parsed1.getClass().getName() + ")" +
242 "\n\tformatted number: " + formatted +
243 "\n\tre-parsed number: " + parsed2 +
244 " (" + parsed2.getClass().getName() + ")" +
245 "\n\tminus sign: " + dfs.getMinusSign());
246 }
247 }
248 }