1 /*
2 * Copyright (c) 2007, 2010, 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 */
26
27 import java.text.*;
28 import java.util.*;
29 import sun.util.*;
30 import sun.util.resources.*;
31
32 import com.foo.FooNumberFormat;
33
34 public class NumberFormatProviderTest extends ProviderTest {
35
36 com.foo.NumberFormatProviderImpl nfp = new com.foo.NumberFormatProviderImpl();
37 List<Locale> availloc = Arrays.asList(NumberFormat.getAvailableLocales());
38 List<Locale> providerloc = Arrays.asList(nfp.getAvailableLocales());
39 List<Locale> jreloc = Arrays.asList(LocaleData.getAvailableLocales());
40
41 public static void main(String[] s) {
42 new NumberFormatProviderTest();
43 }
44
45 NumberFormatProviderTest() {
46 availableLocalesTest();
47 objectValidityTest();
48 messageFormatTest();
49 }
50
51 void availableLocalesTest() {
52 Set<Locale> localesFromAPI = new HashSet<Locale>(availloc);
53 Set<Locale> localesExpected = new HashSet<Locale>(jreloc);
54 localesExpected.addAll(providerloc);
55 if (localesFromAPI.equals(localesExpected)) {
56 System.out.println("availableLocalesTest passed.");
57 } else {
58 throw new RuntimeException("availableLocalesTest failed");
59 }
60 }
61
62 void objectValidityTest() {
63
64 for (Locale target: availloc) {
65 // pure JRE implementation
66 ResourceBundle rb = LocaleData.getNumberFormatData(target);
67 boolean jreSupportsLocale = jreloc.contains(target);
68
69 // JRE string arrays
70 String[] jreNumberPatterns = null;
71 if (jreSupportsLocale) {
72 try {
73 jreNumberPatterns = rb.getStringArray("NumberPatterns");
74 } catch (MissingResourceException mre) {}
75 }
76
77 // result object
78 String resultCur = getPattern(NumberFormat.getCurrencyInstance(target));
79 String resultInt = getPattern(NumberFormat.getIntegerInstance(target));
80 String resultNum = getPattern(NumberFormat.getNumberInstance(target));
81 String resultPer = getPattern(NumberFormat.getPercentInstance(target));
82
83 // provider's object (if any)
84 String providersCur = null;
85 String providersInt = null;
86 String providersNum = null;
87 String providersPer = null;
88 if (providerloc.contains(target)) {
89 NumberFormat dfCur = nfp.getCurrencyInstance(target);
90 if (dfCur != null) {
91 providersCur = getPattern(dfCur);
92 }
93 NumberFormat dfInt = nfp.getIntegerInstance(target);
94 if (dfInt != null) {
95 providersInt = getPattern(dfInt);
96 }
97 NumberFormat dfNum = nfp.getNumberInstance(target);
98 if (dfNum != null) {
99 providersNum = getPattern(dfNum);
100 }
101 NumberFormat dfPer = nfp.getPercentInstance(target);
102 if (dfPer != null) {
103 providersPer = getPattern(dfPer);
104 }
105 }
106
107 // JRE's object (if any)
108 // note that this totally depends on the current implementation
109 String jresCur = null;
110 String jresInt = null;
111 String jresNum = null;
112 String jresPer = null;
113 if (jreSupportsLocale) {
114 DecimalFormat dfCur = new DecimalFormat(jreNumberPatterns[1],
115 DecimalFormatSymbols.getInstance(target));
116 if (dfCur != null) {
117 adjustForCurrencyDefaultFractionDigits(dfCur);
118 jresCur = dfCur.toPattern();
119 }
120 DecimalFormat dfInt = new DecimalFormat(jreNumberPatterns[0],
121 DecimalFormatSymbols.getInstance(target));
122 if (dfInt != null) {
123 dfInt.setMaximumFractionDigits(0);
124 dfInt.setDecimalSeparatorAlwaysShown(false);
125 dfInt.setParseIntegerOnly(true);
126 jresInt = dfInt.toPattern();
127 }
128 DecimalFormat dfNum = new DecimalFormat(jreNumberPatterns[0],
129 DecimalFormatSymbols.getInstance(target));
130 if (dfNum != null) {
131 jresNum = dfNum.toPattern();
132 }
133 DecimalFormat dfPer = new DecimalFormat(jreNumberPatterns[2],
134 DecimalFormatSymbols.getInstance(target));
135 if (dfPer != null) {
136 jresPer = dfPer.toPattern();
137 }
138 }
139
140 checkValidity(target, jresCur, providersCur, resultCur, jreSupportsLocale);
141 checkValidity(target, jresInt, providersInt, resultInt, jreSupportsLocale);
142 checkValidity(target, jresNum, providersNum, resultNum, jreSupportsLocale);
143 checkValidity(target, jresPer, providersPer, resultPer, jreSupportsLocale);
144 }
145 }
146
147 /**
148 * Adjusts the minimum and maximum fraction digits to values that
149 * are reasonable for the currency's default fraction digits.
150 */
151 void adjustForCurrencyDefaultFractionDigits(DecimalFormat df) {
152 DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
153 Currency currency = dfs.getCurrency();
154 if (currency == null) {
155 try {
156 currency = Currency.getInstance(dfs.getInternationalCurrencySymbol());
157 } catch (IllegalArgumentException e) {
158 }
159 }
160 if (currency != null) {
161 int digits = currency.getDefaultFractionDigits();
162 if (digits != -1) {
163 int oldMinDigits = df.getMinimumFractionDigits();
164 // Common patterns are "#.##", "#.00", "#".
165 // Try to adjust all of them in a reasonable way.
166 if (oldMinDigits == df.getMaximumFractionDigits()) {
167 df.setMinimumFractionDigits(digits);
168 df.setMaximumFractionDigits(digits);
169 } else {
170 df.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
171 df.setMaximumFractionDigits(digits);
172 }
173 }
174 }
175 }
176
177 private static String getPattern(NumberFormat nf) {
178 if (nf instanceof DecimalFormat) {
179 return ((DecimalFormat)nf).toPattern();
180 }
181 if (nf instanceof FooNumberFormat) {
182 return ((FooNumberFormat)nf).toPattern();
183 }
184 return null;
185 }
186
187 private static final String[] NUMBER_PATTERNS = {
188 "num={0,number}",
189 "num={0,number,currency}",
190 "num={0,number,percent}",
191 "num={0,number,integer}"
192 };
193
194 void messageFormatTest() {
195 for (Locale target : providerloc) {
196 for (String pattern : NUMBER_PATTERNS) {
197 MessageFormat mf = new MessageFormat(pattern, target);
198 String toPattern = mf.toPattern();
199 if (!pattern.equals(toPattern)) {
200 throw new RuntimeException("MessageFormat.toPattern: got '"
201 + toPattern
202 + "', expected '" + pattern + "'");
203 }
204 }
205 }
206 }
207 }