1 /*
   2  * Copyright (c) 2014, 2015, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package test.java.time.temporal;
  27 
  28 import static java.time.temporal.ChronoField.DAY_OF_WEEK;
  29 import static org.testng.Assert.assertEquals;
  30 
  31 import java.time.LocalDate;
  32 import java.time.LocalTime;
  33 import java.time.MonthDay;
  34 import java.time.OffsetDateTime;
  35 import java.time.Year;
  36 import java.time.chrono.ThaiBuddhistDate;
  37 import java.time.temporal.ChronoUnit;
  38 import java.time.temporal.IsoFields;
  39 import java.time.temporal.TemporalField;
  40 import java.time.temporal.ValueRange;
  41 import java.time.temporal.WeekFields;
  42 
  43 import org.testng.annotations.DataProvider;
  44 import org.testng.annotations.Test;
  45 
  46 /**
  47  * Test.
  48  */
  49 @Test
  50 public class TestIsoWeekFields {
  51 
  52     @DataProvider(name = "fields")
  53     Object[][] data_Fields() {
  54         return new Object[][] {
  55                 {IsoFields.WEEK_OF_WEEK_BASED_YEAR, IsoFields.WEEK_BASED_YEAR},
  56                 {WeekFields.ISO.weekOfWeekBasedYear(), WeekFields.ISO.weekBasedYear()},
  57         };
  58     }
  59 
  60     //-----------------------------------------------------------------------
  61     // WEEK_OF_WEEK_BASED_YEAR
  62     //-----------------------------------------------------------------------
  63     @Test(dataProvider = "fields")
  64     public void test_WOWBY_basics(TemporalField weekField, TemporalField yearField) {
  65         assertEquals(weekField.isDateBased(), true);
  66         assertEquals(weekField.isTimeBased(), false);
  67         assertEquals(weekField.getBaseUnit(), ChronoUnit.WEEKS);
  68         assertEquals(weekField.getRangeUnit(), IsoFields.WEEK_BASED_YEARS);
  69     }
  70 
  71     @Test(dataProvider = "fields")
  72     public void test_WOWBY_isSupportedBy(TemporalField weekField, TemporalField yearField) {
  73         assertEquals(weekField.isSupportedBy(LocalTime.NOON), false);
  74         assertEquals(weekField.isSupportedBy(MonthDay.of(2, 1)), false);
  75         assertEquals(weekField.isSupportedBy(LocalDate.MIN), true);
  76         assertEquals(weekField.isSupportedBy(OffsetDateTime.MAX), true);
  77     }
  78 
  79     @Test
  80     public void test_WOWBY_isSupportedBy_fieldsDiffer() {
  81         assertEquals(IsoFields.WEEK_OF_WEEK_BASED_YEAR.isSupportedBy(ThaiBuddhistDate.now()), false);
  82         assertEquals(WeekFields.ISO.weekOfWeekBasedYear().isSupportedBy(ThaiBuddhistDate.now()), true);
  83     }
  84 
  85     @Test(dataProvider = "fields")
  86     public void test_WOWBY_range(TemporalField weekField, TemporalField yearField) {
  87         assertEquals(weekField.range(), ValueRange.of(1, 52, 53));
  88     }
  89 
  90     @Test(dataProvider = "fields")
  91     public void test_WOWBY_rangeRefinedBy(TemporalField weekField, TemporalField yearField) {
  92         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2012, 12, 31)), ValueRange.of(1, 52));
  93         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2013, 12, 29)), ValueRange.of(1, 52));
  94         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2013, 12, 30)), ValueRange.of(1, 52));
  95         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2014, 12, 28)), ValueRange.of(1, 52));
  96         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2014, 12, 29)), ValueRange.of(1, 53));
  97         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2016, 1, 3)), ValueRange.of(1, 53));
  98         assertEquals(weekField.rangeRefinedBy(LocalDate.of(2016, 1, 4)), ValueRange.of(1, 52));
  99     }
 100 
 101     //-----------------------------------------------------------------------
 102     // WEEK_BASED_YEAR
 103     //-----------------------------------------------------------------------
 104     @Test(dataProvider = "fields")
 105     public void test_WBY_basics(TemporalField weekField, TemporalField yearField) {
 106         assertEquals(yearField.isDateBased(), true);
 107         assertEquals(yearField.isTimeBased(), false);
 108         assertEquals(yearField.getBaseUnit(), IsoFields.WEEK_BASED_YEARS);
 109         assertEquals(yearField.getRangeUnit(), ChronoUnit.FOREVER);
 110     }
 111 
 112     @Test(dataProvider = "fields")
 113     public void test_WBY_isSupportedBy(TemporalField weekField, TemporalField yearField) {
 114         assertEquals(yearField.isSupportedBy(LocalTime.NOON), false);
 115         assertEquals(yearField.isSupportedBy(MonthDay.of(2, 1)), false);
 116         assertEquals(yearField.isSupportedBy(LocalDate.MIN), true);
 117         assertEquals(yearField.isSupportedBy(OffsetDateTime.MAX), true);
 118     }
 119 
 120     @Test
 121     public void test_WBY_isSupportedBy_ISO() {
 122         assertEquals(IsoFields.WEEK_BASED_YEAR.isSupportedBy(ThaiBuddhistDate.now()), false);
 123     }
 124 
 125     @Test
 126     public void test_Unit_isSupportedBy_ISO() {
 127         assertEquals(IsoFields.WEEK_BASED_YEARS.isSupportedBy(LocalDate.now()),true);
 128         assertEquals(IsoFields.WEEK_BASED_YEARS.isSupportedBy(ThaiBuddhistDate.now()),false);
 129         assertEquals(IsoFields.QUARTER_YEARS.isSupportedBy(LocalDate.now()),true);
 130         assertEquals(IsoFields.QUARTER_YEARS.isSupportedBy(ThaiBuddhistDate.now()),false);
 131     }
 132 
 133     @Test(dataProvider = "fields")
 134     public void test_WBY_range(TemporalField weekField, TemporalField yearField) {
 135         assertEquals(yearField.range(), ValueRange.of(Year.MIN_VALUE, Year.MAX_VALUE));
 136     }
 137 
 138     @Test(dataProvider = "fields")
 139     public void test_WBY_rangeRefinedBy(TemporalField weekField, TemporalField yearField) {
 140         assertEquals(yearField.rangeRefinedBy(LocalDate.of(2012, 12, 31)), ValueRange.of(Year.MIN_VALUE, Year.MAX_VALUE));
 141     }
 142 
 143     //-----------------------------------------------------------------------
 144     @Test(dataProvider = "fields")
 145     public void test_getFrom(TemporalField weekField, TemporalField yearField) {
 146         // tests every day from 2011 to 2016 inclusive
 147         LocalDate date = LocalDate.of(2011, 1, 3);
 148         int wby = 2011;
 149         int week = 1;
 150         int dow = 1;
 151         for (int i = 1; i <= ((52 + 52 + 52 + 52 + 53 + 52) * 7); i++) {
 152             assertEquals(yearField.getFrom(date), wby);
 153             assertEquals(weekField.getFrom(date), week);
 154             assertEquals(DAY_OF_WEEK.getFrom(date), dow);
 155             if (dow == 7) {
 156                 dow = 1;
 157                 week++;
 158             } else {
 159                 dow++;
 160             }
 161             if (week > wbyLen(wby)) {
 162                 week = 1;
 163                 wby++;
 164             }
 165             date = date.plusDays(1);
 166         }
 167         assertEquals(yearField.getFrom(date), 2017);
 168         assertEquals(weekField.getFrom(date), 1);
 169         assertEquals(DAY_OF_WEEK.getFrom(date), 1);
 170     }
 171 
 172     @Test(dataProvider = "fields")
 173     public void test_adjustInto_dow(TemporalField weekField, TemporalField yearField) {
 174         // tests every day from 2012 to 2016 inclusive
 175         LocalDate date = LocalDate.of(2012, 1, 2);
 176         int wby = 2012;
 177         int week = 1;
 178         int dow = 1;
 179         for (int i = 1; i <= ((52 + 52 + 52 + 53 + 52) * 7); i++) {
 180             for (int j = 1; j <= 7; j++) {
 181                 LocalDate adjusted = DAY_OF_WEEK.adjustInto(date, j);
 182                 assertEquals(adjusted.get(DAY_OF_WEEK), j);
 183                 assertEquals(adjusted.get(weekField), week);
 184                 assertEquals(adjusted.get(yearField), wby);
 185             }
 186             if (dow == 7) {
 187                 dow = 1;
 188                 week++;
 189             } else {
 190                 dow++;
 191             }
 192             if (week > wbyLen(wby)) {
 193                 week = 1;
 194                 wby++;
 195             }
 196             date = date.plusDays(1);
 197         }
 198     }
 199 
 200     @Test(dataProvider = "fields")
 201     public void test_adjustInto_week(TemporalField weekField, TemporalField yearField) {
 202         // tests every day from 2012 to 2016 inclusive
 203         LocalDate date = LocalDate.of(2012, 1, 2);
 204         int wby = 2012;
 205         int week = 1;
 206         int dow = 1;
 207         for (int i = 1; i <= ((52 + 52 + 52 + 53 + 52) * 7); i++) {
 208             int weeksInYear = (wby == 2015 ? 53 : 52);
 209             for (int j = 1; j <= weeksInYear; j++) {
 210                 LocalDate adjusted = weekField.adjustInto(date, j);
 211                 assertEquals(adjusted.get(weekField), j);
 212                 assertEquals(adjusted.get(DAY_OF_WEEK), dow);
 213                 assertEquals(adjusted.get(yearField), wby);
 214             }
 215             if (dow == 7) {
 216                 dow = 1;
 217                 week++;
 218             } else {
 219                 dow++;
 220             }
 221             if (week > wbyLen(wby)) {
 222                 week = 1;
 223                 wby++;
 224             }
 225             date = date.plusDays(1);
 226         }
 227     }
 228 
 229     @Test(dataProvider = "fields")
 230     public void test_adjustInto_wby(TemporalField weekField, TemporalField yearField) {
 231         // tests every day from 2012 to 2016 inclusive
 232         LocalDate date = LocalDate.of(2012, 1, 2);
 233         int wby = 2012;
 234         int week = 1;
 235         int dow = 1;
 236         for (int i = 1; i <= ((52 + 52 + 52 + 53 + 52) * 7); i++) {
 237             for (int j = 2004; j <= 2015; j++) {
 238                 LocalDate adjusted = yearField.adjustInto(date, j);
 239                 assertEquals(adjusted.get(yearField), j);
 240                 assertEquals(adjusted.get(DAY_OF_WEEK), dow);
 241                 assertEquals(adjusted.get(weekField), (week == 53 && wbyLen(j) == 52 ? 52 : week), "" + date + " " + adjusted);
 242             }
 243             if (dow == 7) {
 244                 dow = 1;
 245                 week++;
 246             } else {
 247                 dow++;
 248             }
 249             if (week > wbyLen(wby)) {
 250                 week = 1;
 251                 wby++;
 252             }
 253             date = date.plusDays(1);
 254         }
 255     }
 256 
 257     @Test(dataProvider = "fields")
 258     public void test_addTo_weekBasedYears(TemporalField weekField, TemporalField yearField) {
 259         // tests every day from 2012 to 2016 inclusive
 260         LocalDate date = LocalDate.of(2012, 1, 2);
 261         int wby = 2012;
 262         int week = 1;
 263         int dow = 1;
 264         for (int i = 1; i <= ((52 + 52 + 52 + 53 + 52) * 7); i++) {
 265             for (int j = -5; j <= 5; j++) {
 266                 LocalDate adjusted = IsoFields.WEEK_BASED_YEARS.addTo(date, j);
 267                 assertEquals(adjusted.get(yearField), wby + j);
 268                 assertEquals(adjusted.get(DAY_OF_WEEK), dow);
 269                 assertEquals(adjusted.get(weekField), (week == 53 && wbyLen(wby + j) == 52 ? 52 : week), "" + date + " " + adjusted);
 270             }
 271             if (dow == 7) {
 272                 dow = 1;
 273                 week++;
 274             } else {
 275                 dow++;
 276             }
 277             if (week > wbyLen(wby)) {
 278                 week = 1;
 279                 wby++;
 280             }
 281             date = date.plusDays(1);
 282         }
 283     }
 284 
 285     private int wbyLen(int wby) {
 286         return (wby == 2004 || wby == 2009 || wby == 2015 || wby == 2020 ? 53 : 52);
 287     }
 288 
 289 }