jars/icu4j-52_1/main/tests/core/src/com/ibm/icu/dev/test/timezone/TimeZoneOffsetLocalTest.java

   1 /*
   2  *******************************************************************************
   3  * Copyright (C) 2007-2008, International Business Machines Corporation and    *
   4  * others. All Rights Reserved.                                                *
   5  *******************************************************************************
   6  */
   7 package com.ibm.icu.dev.test.timezone;
   8
   9 import java.util.Date;
  10
  11 import com.ibm.icu.dev.test.TestFmwk;
  12 import com.ibm.icu.text.DateFormat;
  13 import com.ibm.icu.util.AnnualTimeZoneRule;
  14 import com.ibm.icu.util.BasicTimeZone;
  15 import com.ibm.icu.util.Calendar;
  16 import com.ibm.icu.util.DateTimeRule;
  17 import com.ibm.icu.util.GregorianCalendar;
  18 import com.ibm.icu.util.InitialTimeZoneRule;
  19 import com.ibm.icu.util.RuleBasedTimeZone;
  20 import com.ibm.icu.util.SimpleTimeZone;
  21 import com.ibm.icu.util.TimeZone;
  22
  23 /**
  24  * Testing getOffset APIs using local time
  25  */
  26 public class TimeZoneOffsetLocalTest extends TestFmwk {
  27
  28     public static void main(String[] args) throws Exception {
  29         new TimeZoneOffsetLocalTest().run(args);
  30     }
  31
  32     /*
  33      * Testing getOffset APIs around rule transition by local standard/wall time.
  34      */
  35     public void TestGetOffsetAroundTransition() {
  36         final int HOUR = 60*60*1000;
  37         final int MINUTE = 60*1000;
  38
  39         int[][] DATES = {
  40             {2006, Calendar.APRIL, 2, 1, 30, 1*HOUR+30*MINUTE},
  41             {2006, Calendar.APRIL, 2, 2, 00, 2*HOUR},
  42             {2006, Calendar.APRIL, 2, 2, 30, 2*HOUR+30*MINUTE},
  43             {2006, Calendar.APRIL, 2, 3, 00, 3*HOUR},
  44             {2006, Calendar.APRIL, 2, 3, 30, 3*HOUR+30*MINUTE},
  45             {2006, Calendar.OCTOBER, 29, 0, 30, 0*HOUR+30*MINUTE},
  46             {2006, Calendar.OCTOBER, 29, 1, 00, 1*HOUR},
  47             {2006, Calendar.OCTOBER, 29, 1, 30, 1*HOUR+30*MINUTE},
  48             {2006, Calendar.OCTOBER, 29, 2, 00, 2*HOUR},
  49             {2006, Calendar.OCTOBER, 29, 2, 30, 2*HOUR+30*MINUTE},
  50         };
  51
  52         // Expected offsets by getOffset(int era, int year, int month, int day, int dayOfWeek, int milliseconds)
  53         int[] OFFSETS1 = {
  54             // April 2, 2006
  55             -8*HOUR,
  56             -7*HOUR,
  57             -7*HOUR,
  58             -7*HOUR,
  59             -7*HOUR,
  60
  61             // October 29, 2006
  62             -7*HOUR,
  63             -8*HOUR,
  64             -8*HOUR,
  65             -8*HOUR,
  66             -8*HOUR,
  67         };
  68
  69
  70         // Expected offsets by getOffset(long time, boolean local, int[] offsets) with local = true
  71         // or getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
  72         // with nonExistingTimeOpt = LOCAL_STD/duplicatedTimeOpt = LOCAL_STD
  73         int[][] OFFSETS2 = {
  74             // April 2, 2006
  75             {-8*HOUR, 0},
  76             {-8*HOUR, 0},
  77             {-8*HOUR, 0},
  78             {-8*HOUR, 1*HOUR},
  79             {-8*HOUR, 1*HOUR},
  80
  81             // Oct 29, 2006
  82             {-8*HOUR, 1*HOUR},
  83             {-8*HOUR, 0},
  84             {-8*HOUR, 0},
  85             {-8*HOUR, 0},
  86             {-8*HOUR, 0},
  87         };
  88
  89         // Expected offsets by getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
  90         // with nonExistingTimeOpt = LOCAL_DST/duplicatedTimeOpt = LOCAL_DST
  91         int[][] OFFSETS3 = {
  92             // April 2, 2006
  93             {-8*HOUR, 0},
  94             {-8*HOUR, 1*HOUR},
  95             {-8*HOUR, 1*HOUR},
  96             {-8*HOUR, 1*HOUR},
  97             {-8*HOUR, 1*HOUR},
  98
  99             // October 29, 2006
 100             {-8*HOUR, 1*HOUR},
 101             {-8*HOUR, 1*HOUR},
 102             {-8*HOUR, 1*HOUR},
 103             {-8*HOUR, 0},
 104             {-8*HOUR, 0},
 105         };
 106
 107         int[] offsets = new int[2];
 108
 109         TimeZone utc = TimeZone.getTimeZone("UTC");
 110         Calendar cal = Calendar.getInstance(utc);
 111         cal.clear();
 112
 113         // Set up TimeZone objects - OlsonTimeZone, SimpleTimeZone and RuleBasedTimeZone
 114         BasicTimeZone[] TESTZONES = new BasicTimeZone[3];
 115
 116         TESTZONES[0] = (BasicTimeZone)TimeZone.getTimeZone("America/Los_Angeles", TimeZone.TIMEZONE_ICU);
 117         TESTZONES[1] = new SimpleTimeZone(-8*HOUR, "Simple Pacific Time",
 118                                             Calendar.APRIL, 1, Calendar.SUNDAY, 2*HOUR,
 119                                             Calendar.OCTOBER, -1, Calendar.SUNDAY, 2*HOUR);
 120
 121         InitialTimeZoneRule ir = new InitialTimeZoneRule(
 122                 "Pacific Standard Time", // Initial time Name
 123                 -8*HOUR,        // Raw offset
 124                 0*HOUR);        // DST saving amount
 125
 126         RuleBasedTimeZone rbPT = new RuleBasedTimeZone("Rule based Pacific Time", ir);
 127
 128         DateTimeRule dtr;
 129         AnnualTimeZoneRule atzr;
 130         final int STARTYEAR = 2000;
 131
 132         dtr = new DateTimeRule(Calendar.APRIL, 1, Calendar.SUNDAY,
 133                 2*HOUR, DateTimeRule.WALL_TIME); // 1st Sunday in April, at 2AM wall time
 134         atzr = new AnnualTimeZoneRule("Pacific Daylight Time",
 135                 -8*HOUR /* rawOffset */, 1*HOUR /* dstSavings */, dtr,
 136                 STARTYEAR, AnnualTimeZoneRule.MAX_YEAR);
 137         rbPT.addTransitionRule(atzr);
 138
 139         dtr = new DateTimeRule(Calendar.OCTOBER, -1, Calendar.SUNDAY,
 140                 2*HOUR, DateTimeRule.WALL_TIME); // last Sunday in October, at 2AM wall time
 141         atzr = new AnnualTimeZoneRule("Pacific Standard Time",
 142                 -8*HOUR /* rawOffset */, 0 /* dstSavings */, dtr,
 143                 STARTYEAR, AnnualTimeZoneRule.MAX_YEAR);
 144         rbPT.addTransitionRule(atzr);
 145
 146         TESTZONES[2] = rbPT;
 147
 148         // Calculate millis
 149         long [] MILLIS = new long[DATES.length];
 150         for (int i = 0; i < DATES.length; i++) {
 151             cal.clear();
 152             cal.set(DATES[i][0], DATES[i][1], DATES[i][2], DATES[i][3], DATES[i][4]);
 153             MILLIS[i] = cal.getTimeInMillis();
 154         }
 155
 156         DateFormat df = DateFormat.getInstance();
 157         df.setTimeZone(utc);
 158
 159         // Test getOffset(int era, int year, int month, int day, int dayOfWeek, int millis)
 160         for (int i = 0; i < TESTZONES.length; i++) {
 161             for (int d = 0; d < DATES.length; d++) {
 162                 int offset = TESTZONES[i].getOffset(GregorianCalendar.AD, DATES[d][0], DATES[d][1], DATES[d][2],
 163                                                     Calendar.SUNDAY, DATES[d][5]);
 164                 if (offset != OFFSETS1[d]) {
 165                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 166                             + df.format(new Date(MILLIS[d])) + "(standard) - Got: " + offset + " Expected: " + OFFSETS1[d]);
 167                 }
 168             }
 169         }
 170
 171         // Test getOffset(long time, boolean local, int[] offsets) with local=true
 172         for (int i = 0; i < TESTZONES.length; i++) {
 173             for (int m = 0; m < MILLIS.length; m++) {
 174                 TESTZONES[i].getOffset(MILLIS[m], true, offsets);
 175                 if (offsets[0] != OFFSETS2[m][0] || offsets[1] != OFFSETS2[m][1]) {
 176                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 177                             + df.format(new Date(MILLIS[m])) + "(wall) - Got: "
 178                             + offsets[0] + "/" + offsets[1]
 179                             + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
 180                 }
 181             }
 182         }
 183
 184         // Test getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
 185         // with nonExistingTimeOpt = LOCAL_STD/duplicatedTimeOpt = LOCAL_STD
 186         for (int i = 0; i < TESTZONES.length; i++) {
 187             for (int m = 0; m < MILLIS.length; m++) {
 188                 TESTZONES[i].getOffsetFromLocal(MILLIS[m], BasicTimeZone.LOCAL_STD, BasicTimeZone.LOCAL_STD, offsets);
 189                 if (offsets[0] != OFFSETS2[m][0] || offsets[1] != OFFSETS2[m][1]) {
 190                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 191                             + df.format(new Date(MILLIS[m])) + "(wall/STD/STD) - Got: "
 192                             + offsets[0] + "/" + offsets[1]
 193                             + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
 194                 }
 195             }
 196         }
 197
 198         // Test getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
 199         // with nonExistingTimeOpt = LOCAL_DST/duplicatedTimeOpt = LOCAL_DST
 200         for (int i = 0; i < TESTZONES.length; i++) {
 201             for (int m = 0; m < MILLIS.length; m++) {
 202                 TESTZONES[i].getOffsetFromLocal(MILLIS[m], BasicTimeZone.LOCAL_DST, BasicTimeZone.LOCAL_DST, offsets);
 203                 if (offsets[0] != OFFSETS3[m][0] || offsets[1] != OFFSETS3[m][1]) {
 204                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 205                             + df.format(new Date(MILLIS[m])) + "(wall/DST/DST) - Got: "
 206                             + offsets[0] + "/" + offsets[1]
 207                             + " Expected: " + OFFSETS3[m][0] + "/" + OFFSETS3[m][1]);
 208                 }
 209             }
 210         }
 211
 212         // Test getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
 213         // with nonExistingTimeOpt = LOCAL_FORMER/duplicatedTimeOpt = LOCAL_LATTER
 214         for (int i = 0; i < TESTZONES.length; i++) {
 215             for (int m = 0; m < MILLIS.length; m++) {
 216                 TESTZONES[i].getOffsetFromLocal(MILLIS[m], BasicTimeZone.LOCAL_FORMER, BasicTimeZone.LOCAL_LATTER, offsets);
 217                 if (offsets[0] != OFFSETS2[m][0] || offsets[1] != OFFSETS2[m][1]) {
 218                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 219                             + df.format(new Date(MILLIS[m])) + "(wall/FORMER/LATTER) - Got: "
 220                             + offsets[0] + "/" + offsets[1]
 221                             + " Expected: " + OFFSETS2[m][0] + "/" + OFFSETS2[m][1]);
 222                 }
 223             }
 224         }
 225
 226         // Test getOffsetFromLocal(long time, int nonExistingTimeOpt, int duplicatedTimeOpt, int[] offsets)
 227         // with nonExistingTimeOpt = LOCAL_LATTER/duplicatedTimeOpt = LOCAL_FORMER
 228         for (int i = 0; i < TESTZONES.length; i++) {
 229             for (int m = 0; m < MILLIS.length; m++) {
 230                 TESTZONES[i].getOffsetFromLocal(MILLIS[m], BasicTimeZone.LOCAL_LATTER, BasicTimeZone.LOCAL_FORMER, offsets);
 231                 if (offsets[0] != OFFSETS3[m][0] || offsets[1] != OFFSETS3[m][1]) {
 232                     errln("Bad offset returned by " + TESTZONES[i].getID() + " at "
 233                             + df.format(new Date(MILLIS[m])) + "(wall/LATTER/FORMER) - Got: "
 234                             + offsets[0] + "/" + offsets[1]
 235                             + " Expected: " + OFFSETS3[m][0] + "/" + OFFSETS3[m][1]);
 236                 }
 237             }
 238         }
 239     }
 240 }