1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.tools.date;
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3 |
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4 | import static org.junit.jupiter.api.Assertions.assertEquals;
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5 | import static org.junit.jupiter.api.Assertions.assertNotEquals;
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6 | import static org.junit.jupiter.api.Assertions.assertNotNull;
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7 | import static org.junit.jupiter.api.Assertions.assertNotSame;
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8 | import static org.junit.jupiter.api.Assertions.assertNull;
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9 | import static org.junit.jupiter.api.Assertions.assertThrows;
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10 |
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11 | import java.text.DateFormat;
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12 | import java.time.Instant;
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13 | import java.time.format.FormatStyle;
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14 | import java.util.Date;
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15 | import java.util.Random;
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16 | import java.util.TimeZone;
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17 | import java.util.concurrent.ForkJoinPool;
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18 |
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19 | import org.junit.jupiter.api.Disabled;
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20 | import org.junit.jupiter.api.Test;
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21 | import org.junit.jupiter.params.ParameterizedTest;
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22 | import org.junit.jupiter.params.provider.ValueSource;
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23 | import org.openstreetmap.josm.testutils.annotations.BasicPreferences;
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24 | import org.openstreetmap.josm.testutils.annotations.I18n;
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25 | import org.openstreetmap.josm.tools.UncheckedParseException;
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26 | import org.openstreetmap.josm.tools.Utils;
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27 |
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28 | import net.trajano.commons.testing.UtilityClassTestUtil;
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29 |
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30 | /**
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31 | * Unit tests of {@link DateUtils} class.
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32 | */
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33 | @BasicPreferences
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34 | @I18n
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35 | public class DateUtilsTest {
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36 | /**
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37 | * Tests that {@code DateUtils} satisfies utility class criteria.
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38 | * @throws ReflectiveOperationException if an error occurs
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39 | */
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40 | @Test
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41 | void testUtilityClass() throws ReflectiveOperationException {
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42 | UtilityClassTestUtil.assertUtilityClassWellDefined(DateUtils.class);
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43 | }
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44 |
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45 | /**
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46 | * Allows to override the timezone used in {@link DateUtils} for unit tests.
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47 | * @param zone the timezone to use
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48 | */
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49 | public static void setTimeZone(TimeZone zone) {
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50 | TimeZone.setDefault(zone);
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51 | }
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52 |
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53 | /**
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54 | * Test to parse date as returned for map data.
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55 | */
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56 | @Test
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57 | void testMapDate() {
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58 | assertEquals(1344870637000L, DateUtils.fromString("2012-08-13T15:10:37Z").getTime());
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59 | }
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60 |
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61 | /**
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62 | * Test to parse date as returned for note data.
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63 | */
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64 | @Test
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65 | void testNoteDate() {
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66 | assertEquals(1417298930000L, DateUtils.fromString("2014-11-29 22:08:50 UTC").getTime());
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67 | }
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68 |
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69 | /**
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70 | * Test to parse date as used in EXIF structures.
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71 | */
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72 | @Test
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73 | void testExifDate() {
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74 | assertEquals(1443038712000L, DateUtils.fromString("2015:09:23 20:05:12").getTime());
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75 | assertEquals(1443038712888L, DateUtils.fromString("2015:09:23 20:05:12.888").getTime());
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76 | }
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77 |
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78 | /**
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79 | * Test to parse date as used in GPX files
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80 | */
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81 | @Test
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82 | void testGPXDate() {
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83 | assertEquals(1277465405000L, DateUtils.fromString("2010-06-25T11:30:05.000Z").getTime());
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84 | }
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85 |
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86 | /**
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87 | * Test to parse date as defined in <a href="https://tools.ietf.org/html/rfc3339">RFC 3339</a>
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88 | */
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89 | @Test
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90 | void testRfc3339() {
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91 | // examples taken from RFC
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92 | assertEquals(482196050520L, DateUtils.fromString("1985-04-12T23:20:50.52Z").getTime());
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93 | assertEquals(851042397000L, DateUtils.fromString("1996-12-19T16:39:57-08:00").getTime());
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94 | assertEquals(-1041337172130L, DateUtils.fromString("1937-01-01T12:00:27.87+00:20").getTime());
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95 | // (partial) dates
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96 | assertEquals(482112000000L, DateUtils.fromString("1985-04-12").getTime());
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97 | assertEquals(481161600000L, DateUtils.fromString("1985-04").getTime());
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98 | assertEquals(473385600000L, DateUtils.fromString("1985").getTime());
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99 | }
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100 |
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101 | @Test
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102 | void testRtklib() {
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103 | // examples taken from rtklib .pos files
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104 | assertEquals("2019-04-21T08:20:32Z", DateUtils.parseInstant("2019/04/21 08:20:32").toString());
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105 | assertEquals("2019-06-08T08:23:12.123Z", DateUtils.parseInstant("2019/06/08 08:23:12.123").toString());
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106 | assertEquals("2021-03-30T15:04:01.123456Z", DateUtils.parseInstant("2021/03/30 15:04:01.123456").toString());
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107 | }
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108 |
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109 | /**
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110 | * Verifies that parsing an illegal date throws a {@link UncheckedParseException}
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111 | */
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112 | @ParameterizedTest
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113 | @ValueSource(strings = {"2014-", "2014-01-", "2014-01-01T", "2014-00-01", "2014-01-00"})
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114 | void testIllegalDate(String date) {
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115 | assertThrows(UncheckedParseException.class, () -> DateUtils.fromString(date));
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116 | }
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117 |
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118 | /**
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119 | * Tests that formatting a date w/ milliseconds does not cause incorrect parsing afterwards
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120 | */
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121 | @Test
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122 | void testFormattingMillisecondsDoesNotCauseIncorrectParsing() {
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123 | DateUtils.fromDate(new Date(123));
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124 | assertEquals(1453694709000L, DateUtils.fromString("2016-01-25T04:05:09.000Z").getTime());
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125 | assertEquals(1453694709200L, DateUtils.fromString("2016-01-25T04:05:09.200Z").getTime());
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126 | assertEquals(1453694709400L, DateUtils.fromString("2016-01-25T04:05:09.400Z").getTime());
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127 | }
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128 |
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129 | /**
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130 | * Unit test of {@link DateUtils#fromTimestamp} method.
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131 | */
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132 | @Test
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133 | void testFromTimestamp() {
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134 | assertEquals("1970-01-01T00:00:00Z", DateUtils.fromTimestamp(0));
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135 | assertEquals("2001-09-09T01:46:40Z", DateUtils.fromTimestamp(1000000000));
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136 | assertEquals("2038-01-19T03:14:07Z", DateUtils.fromTimestamp(Integer.MAX_VALUE));
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137 | }
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138 |
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139 | /**
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140 | * Unit test of {@link DateUtils#fromDate} method.
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141 | */
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142 | @Test
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143 | void testFromDate() {
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144 | assertEquals("1970-01-01T00:00:00Z", DateUtils.fromDate(new Date(0)));
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145 | assertEquals("1970-01-01T00:00:00.1Z", DateUtils.fromDate(new Date(100)));
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146 | assertEquals("1970-01-01T00:00:00.12Z", DateUtils.fromDate(new Date(120)));
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147 | assertEquals("1970-01-01T00:00:00.123Z", DateUtils.fromDate(new Date(123)));
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148 | assertEquals("2016-01-25T04:05:09Z", DateUtils.fromDate(new Date(1453694709000L)));
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149 | }
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150 |
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151 | /**
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152 | * Unit test of {@link DateUtils#formatTime} method.
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153 | */
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154 | @Test
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155 | void testFormatTime() {
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156 | // Somewhere between Java 17 and Java 21, a non-breaking space replaced the original space between the time and AM/PM.
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157 | final var separator = Utils.getJavaVersion() >= 21 ? '\u202f' : ' ';
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158 | final var twelveAM = "12:00" + separator + "AM";
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159 | assertEquals(twelveAM, DateUtils.formatTime(new Date(0), DateFormat.SHORT));
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160 | assertEquals("1:00" + separator + "AM", DateUtils.formatTime(new Date(60 * 60 * 1000), DateFormat.SHORT));
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161 | assertEquals(twelveAM, DateUtils.formatTime(new Date(999), DateFormat.SHORT));
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162 | // ignore seconds
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163 | assertEquals(twelveAM, DateUtils.formatTime(new Date(5999), DateFormat.SHORT));
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164 |
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165 | setTimeZone(TimeZone.getTimeZone("Europe/Berlin"));
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166 | assertEquals("1:00:00" + separator + "AM GMT+01:00", DateUtils.formatTime(new Date(0), DateFormat.LONG), "This is mostly dependent upon java.locale.providers. CET is also OK.");
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167 | }
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168 |
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169 | /**
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170 | * Unit test of {@link DateUtils#formatDate} method.
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171 | */
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172 | @Test
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173 | void testFormatDate() {
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174 | assertEquals("1/1/70", DateUtils.formatDate(new Date(123), DateFormat.SHORT));
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175 | assertEquals("January 1, 1970", DateUtils.formatDate(new Date(123), DateFormat.LONG));
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176 | }
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177 |
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178 | /**
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179 | * Unit test of {@link DateUtils#tsFromString} method.
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180 | */
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181 | @Test
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182 | void testTsFromString() {
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183 | // UTC times
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184 | assertEquals(1459641600000L, DateUtils.tsFromString("2016-04-03"));
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185 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00Z"));
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186 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00"));
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187 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03 15:00:00 UTC"));
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188 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00+00"));
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189 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00-00"));
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190 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00+00:00"));
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191 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00-00:00"));
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192 |
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193 | // UTC times with millis
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194 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00.000Z"));
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195 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00.000"));
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196 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00.000+00:00"));
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197 | assertEquals(1459695600000L, DateUtils.tsFromString("2016-04-03T15:00:00.000-00:00"));
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198 | assertEquals(1459695600123L, DateUtils.tsFromString("2016-04-03T15:00:00.123+00:00"));
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199 | assertEquals(1459695600123L, DateUtils.tsFromString("2016-04-03T15:00:00.123-00:00"));
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200 |
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201 | // Offset times
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202 | assertEquals(1459695600000L - 3 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00+03"));
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203 | assertEquals(1459695600000L + 5 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00-05"));
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204 | assertEquals(1459695600000L - 3 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00+03:00"));
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205 | assertEquals(1459695600000L + 5 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00-05:00"));
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206 | assertEquals(1459695600123L - 3 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00.123+03:00"));
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207 | assertEquals(1459695600123L + 5 * 3600 * 1000, DateUtils.tsFromString("2016-04-03T15:00:00.123-05:00"));
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208 |
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209 | // Local time
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210 | setTimeZone(TimeZone.getTimeZone("Europe/Berlin"));
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211 | assertEquals(1459688400000L, DateUtils.tsFromString("03-APR-16 15:00:00"));
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212 | }
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213 |
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214 | @Test
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215 | @Disabled("slow; use for thread safety testing")
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216 | void testTsFromString800k() throws Exception {
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217 | new ForkJoinPool(64).submit(() -> new Random()
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218 | .longs(800_000)
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219 | .parallel()
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220 | .forEach(ignore -> testTsFromString())).get();
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221 | }
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222 |
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223 | /**
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224 | * Unit test of {@link DateUtils#tsFromString} method.
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225 | */
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226 | @Test
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227 | void testTsFromStringInvalid1() {
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228 | assertThrows(UncheckedParseException.class, () -> DateUtils.tsFromString("foobar"));
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229 | }
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230 |
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231 | /**
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232 | * Unit test of {@link DateUtils#tsFromString} method.
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233 | */
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234 | @Test
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235 | void testTsFromStringInvalid2() {
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236 | assertThrows(UncheckedParseException.class, () -> DateUtils.tsFromString("2016/04/03"));
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237 | }
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238 |
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239 | /**
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240 | * Unit test of {@link DateUtils#getDateFormat} method.
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241 | */
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242 | @Test
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243 | void testGetDateFormat() {
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244 | Boolean iso = DateUtils.PROP_ISO_DATES.get();
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245 | try {
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246 | DateFormat f1 = DateUtils.getDateFormat(DateFormat.SHORT);
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247 | assertNotNull(f1);
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248 | DateUtils.PROP_ISO_DATES.put(!iso);
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249 | DateFormat f2 = DateUtils.getDateFormat(DateFormat.SHORT);
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250 | assertNotNull(f1);
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251 | assertNotEquals(f1, f2);
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252 | DateUtils.PROP_ISO_DATES.put(true);
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253 | assertEquals("2006-01-02", DateUtils.getDateFormatter(null).format(Instant.parse("2006-01-02T15:04:05.777Z")));
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254 | } finally {
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255 | DateUtils.PROP_ISO_DATES.put(iso);
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256 | }
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257 | }
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258 |
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259 | /**
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260 | * Unit test of {@link DateUtils#getTimeFormat} method.
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261 | */
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262 | @Test
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263 | void testTimeFormat() {
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264 | Boolean iso = DateUtils.PROP_ISO_DATES.get();
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265 | try {
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266 | DateFormat f1 = DateUtils.getTimeFormat(DateFormat.SHORT);
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267 | assertNotNull(f1);
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268 | DateUtils.PROP_ISO_DATES.put(!iso);
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269 | DateFormat f2 = DateUtils.getTimeFormat(DateFormat.SHORT);
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270 | assertNotNull(f1);
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271 | assertNotEquals(f1, f2);
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272 | DateUtils.PROP_ISO_DATES.put(true);
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273 | assertEquals("15:04:05.777", DateUtils.getTimeFormatter(null).format(Instant.parse("2006-01-02T15:04:05.777Z")));
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274 | assertEquals("15:04:05", DateUtils.getTimeFormatter(null).format(Instant.parse("2006-01-02T15:04:05Z")));
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275 | assertEquals("15:04:00", DateUtils.getTimeFormatter(null).format(Instant.parse("2006-01-02T15:04:00Z")));
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276 | } finally {
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277 | DateUtils.PROP_ISO_DATES.put(iso);
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278 | }
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279 | }
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280 |
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281 | @Test
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282 | void testCloneDate() {
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283 | assertNull(DateUtils.cloneDate(null));
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284 | final Date date = new Date(1453694709000L);
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285 | assertEquals(date, DateUtils.cloneDate(date));
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286 | assertNotSame(date, DateUtils.cloneDate(date));
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287 | }
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288 |
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289 | /**
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290 | * Unit test of {@link DateUtils#getDateTimeFormatter} method.
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291 | */
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292 | @Test
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293 | void testDateTimeFormatter() {
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294 | Instant instant = Instant.parse("2006-01-02T15:04:05.777Z");
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295 | Boolean iso = DateUtils.PROP_ISO_DATES.get();
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296 | try {
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297 | assertNotNull(DateUtils.getDateFormatter(FormatStyle.SHORT).format(instant));
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298 | assertNotNull(DateUtils.getTimeFormatter(FormatStyle.SHORT).format(instant));
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299 | assertNotNull(DateUtils.getDateTimeFormatter(FormatStyle.SHORT, FormatStyle.SHORT).format(instant));
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300 | DateUtils.PROP_ISO_DATES.put(!iso);
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301 | assertNotNull(DateUtils.getDateFormatter(FormatStyle.SHORT).format(instant));
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302 | assertNotNull(DateUtils.getTimeFormatter(FormatStyle.SHORT).format(instant));
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303 | assertNotNull(DateUtils.getDateTimeFormatter(FormatStyle.SHORT, FormatStyle.SHORT).format(instant));
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304 | DateUtils.PROP_ISO_DATES.put(true);
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305 | assertEquals("2006-01-02 15:04:05.777", DateUtils.getDateTimeFormatter(null, null).format(instant));
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306 | assertEquals(Instant.parse("2006-01-02T15:04:05.000Z"),
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307 | DateUtils.getDateTimeFormatter(null, null).parse("2006-01-02 15:04:05", Instant::from));
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308 | assertEquals(Instant.parse("2006-01-02T15:04:00.000Z"),
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309 | DateUtils.getDateTimeFormatter(null, null).parse("2006-01-02 15:04", Instant::from));
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310 | } finally {
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311 | DateUtils.PROP_ISO_DATES.put(iso);
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312 | }
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313 | }
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314 |
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315 | /**
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316 | * Some Java version use narrow no-break space ("NNBSP") instead of a space.
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317 | * @param time The time string with NNBSP instead of a space
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318 | * @return The time with spaces instead of NNBSP
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319 | */
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320 | private static String replaceWhitespace(String time) {
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321 | return time.replace((char) 8239 /* "NNBSP" */, ' ');
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322 | }
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323 | }
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