1 /*
   2  * Copyright (c) 2007, 2012, 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.locale.provider.*;
  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(LocaleProviderAdapter.forJRE().getAvailableLocales());
  40     List<Locale> jreimplloc = Arrays.asList(LocaleProviderAdapter.forJRE().getNumberFormatProvider().getAvailableLocales());
  41 
  42     public static void main(String[] s) {
  43         new NumberFormatProviderTest();
  44     }
  45 
  46     NumberFormatProviderTest() {
  47         availableLocalesTest();
  48         objectValidityTest();
  49         messageFormatTest();
  50     }
  51 
  52     void availableLocalesTest() {
  53         Set<Locale> localesFromAPI = new HashSet<Locale>(availloc);
  54         Set<Locale> localesExpected = new HashSet<Locale>(jreimplloc);
  55         localesExpected.remove(Locale.ROOT);
  56         localesExpected.addAll(providerloc);
  57         if (localesFromAPI.equals(localesExpected)) {
  58             System.out.println("availableLocalesTest passed.");
  59         } else {
  60             throw new RuntimeException("availableLocalesTest failed");
  61         }
  62     }
  63 
  64     void objectValidityTest() {
  65 
  66         for (Locale target: availloc) {
  67             // pure JRE implementation
  68             ResourceBundle rb = LocaleProviderAdapter.forJRE().getLocaleData().getNumberFormatData(target);
  69             boolean jreSupportsLocale = jreimplloc.contains(target);
  70 
  71             // JRE string arrays
  72             String[] jreNumberPatterns = null;
  73             if (jreSupportsLocale) {
  74                 try {
  75                     jreNumberPatterns = rb.getStringArray("NumberPatterns");
  76                 } catch (MissingResourceException mre) {}
  77             }
  78 
  79             // result object
  80             String resultCur = getPattern(NumberFormat.getCurrencyInstance(target));
  81             String resultInt = getPattern(NumberFormat.getIntegerInstance(target));
  82             String resultNum = getPattern(NumberFormat.getNumberInstance(target));
  83             String resultPer = getPattern(NumberFormat.getPercentInstance(target));
  84 
  85             // provider's object (if any)
  86             String providersCur = null;
  87             String providersInt = null;
  88             String providersNum = null;
  89             String providersPer = null;
  90             if (providerloc.contains(target)) {
  91                 NumberFormat dfCur = nfp.getCurrencyInstance(target);
  92                 if (dfCur != null) {
  93                     providersCur = getPattern(dfCur);
  94                 }
  95                 NumberFormat dfInt = nfp.getIntegerInstance(target);
  96                 if (dfInt != null) {
  97                     providersInt = getPattern(dfInt);
  98                 }
  99                 NumberFormat dfNum = nfp.getNumberInstance(target);
 100                 if (dfNum != null) {
 101                     providersNum = getPattern(dfNum);
 102                 }
 103                 NumberFormat dfPer = nfp.getPercentInstance(target);
 104                 if (dfPer != null) {
 105                     providersPer = getPattern(dfPer);
 106                 }
 107             }
 108 
 109             // JRE's object (if any)
 110             // note that this totally depends on the current implementation
 111             String jresCur = null;
 112             String jresInt = null;
 113             String jresNum = null;
 114             String jresPer = null;
 115             if (jreSupportsLocale) {
 116                 DecimalFormat dfCur = new DecimalFormat(jreNumberPatterns[1],
 117                     DecimalFormatSymbols.getInstance(target));
 118                 if (dfCur != null) {
 119                     adjustForCurrencyDefaultFractionDigits(dfCur);
 120                     jresCur = dfCur.toPattern();
 121                 }
 122                 DecimalFormat dfInt = new DecimalFormat(jreNumberPatterns[0],
 123                     DecimalFormatSymbols.getInstance(target));
 124                 if (dfInt != null) {
 125                     dfInt.setMaximumFractionDigits(0);
 126                     dfInt.setDecimalSeparatorAlwaysShown(false);
 127                     dfInt.setParseIntegerOnly(true);
 128                     jresInt = dfInt.toPattern();
 129                 }
 130                 DecimalFormat dfNum = new DecimalFormat(jreNumberPatterns[0],
 131                     DecimalFormatSymbols.getInstance(target));
 132                 if (dfNum != null) {
 133                     jresNum = dfNum.toPattern();
 134                 }
 135                 DecimalFormat dfPer = new DecimalFormat(jreNumberPatterns[2],
 136                     DecimalFormatSymbols.getInstance(target));
 137                 if (dfPer != null) {
 138                     jresPer = dfPer.toPattern();
 139                 }
 140             }
 141 
 142             checkValidity(target, jresCur, providersCur, resultCur, jreSupportsLocale);
 143             checkValidity(target, jresInt, providersInt, resultInt, jreSupportsLocale);
 144             checkValidity(target, jresNum, providersNum, resultNum, jreSupportsLocale);
 145             checkValidity(target, jresPer, providersPer, resultPer, jreSupportsLocale);
 146         }
 147     }
 148 
 149     /**
 150      * Adjusts the minimum and maximum fraction digits to values that
 151      * are reasonable for the currency's default fraction digits.
 152      */
 153     void adjustForCurrencyDefaultFractionDigits(DecimalFormat df) {
 154         DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
 155         Currency currency = dfs.getCurrency();
 156         if (currency == null) {
 157             try {
 158                 currency = Currency.getInstance(dfs.getInternationalCurrencySymbol());
 159             } catch (IllegalArgumentException e) {
 160             }
 161         }
 162         if (currency != null) {
 163             int digits = currency.getDefaultFractionDigits();
 164             if (digits != -1) {
 165                 int oldMinDigits = df.getMinimumFractionDigits();
 166                 // Common patterns are "#.##", "#.00", "#".
 167                 // Try to adjust all of them in a reasonable way.
 168                 if (oldMinDigits == df.getMaximumFractionDigits()) {
 169                     df.setMinimumFractionDigits(digits);
 170                     df.setMaximumFractionDigits(digits);
 171                 } else {
 172                     df.setMinimumFractionDigits(Math.min(digits, oldMinDigits));
 173                     df.setMaximumFractionDigits(digits);
 174                 }
 175             }
 176         }
 177     }
 178 
 179     private static String getPattern(NumberFormat nf) {
 180         if (nf instanceof DecimalFormat) {
 181             return ((DecimalFormat)nf).toPattern();
 182         }
 183         if (nf instanceof FooNumberFormat) {
 184             return ((FooNumberFormat)nf).toPattern();
 185         }
 186         return null;
 187     }
 188 
 189     private static final String[] NUMBER_PATTERNS = {
 190         "num={0,number}",
 191         "num={0,number,currency}",
 192         "num={0,number,percent}",
 193         "num={0,number,integer}"
 194     };
 195 
 196     void messageFormatTest() {
 197         for (Locale target : providerloc) {
 198             for (String pattern : NUMBER_PATTERNS) {
 199                 MessageFormat mf = new MessageFormat(pattern, target);
 200                 String toPattern = mf.toPattern();
 201                 if (!pattern.equals(toPattern)) {
 202                     throw new RuntimeException("MessageFormat.toPattern: got '"
 203                                                + toPattern
 204                                                + "', expected '" + pattern + "'");
 205                 }
 206             }
 207         }
 208     }
 209 }