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13  * accompanied this code).
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24 /*
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26  * License version 2 only, as published by the Free Software Foundation.
27  * However, the following notice accompanied the original version of this
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29  *
30  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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59  */
60 package test.java.time.format;
61 
62 import static java.time.temporal.ChronoField.DAY_OF_MONTH;
63 import static org.testng.Assert.assertSame;
64 import static org.testng.Assert.assertTrue;
65 import static org.testng.Assert.fail;
66 
67 import java.time.DateTimeException;
68 import java.time.DayOfWeek;
69 import java.time.Instant;
70 import java.time.LocalDate;
71 import java.time.LocalDateTime;
72 import java.time.LocalTime;
73 import java.time.Month;
74 import java.time.MonthDay;
75 import java.time.OffsetDateTime;
76 import java.time.OffsetTime;
77 import java.time.Year;
78 import java.time.YearMonth;
79 import java.time.ZoneId;
80 import java.time.ZoneOffset;
81 import java.time.ZonedDateTime;
82 import java.time.chrono.ThaiBuddhistChronology;
83 import java.time.format.DateTimeFormatter;
84 import java.time.format.DateTimeFormatterBuilder;
85 import java.time.format.DecimalStyle;
86 import java.time.format.SignStyle;
87 import java.time.temporal.TemporalAccessor;
88 import java.util.Locale;
89 import java.util.function.Function;
90 
91 import org.testng.annotations.Test;
92 
93 /**
94  * Test DateTimeFormatter.
95  */
96 @Test
97 public class TestDateTimeFormatter {
98 
99     @Test
test_withLocale_same()100     public void test_withLocale_same() throws Exception {
101         DateTimeFormatter base =
102             new DateTimeFormatterBuilder().appendLiteral("ONE")
103                                           .appendValue(DAY_OF_MONTH, 1, 2, SignStyle.NOT_NEGATIVE)
104                                           .toFormatter(Locale.ENGLISH)
105                                           .withDecimalStyle(DecimalStyle.STANDARD);
106         DateTimeFormatter test = base.withLocale(Locale.ENGLISH);
107         assertSame(test, base);
108     }
109 
110     @Test
test_parse_errorMessage()111     public void test_parse_errorMessage() throws Exception {
112         assertGoodErrorDate(DayOfWeek::from, "DayOfWeek");
113         assertGoodErrorDate(Month::from, "Month");
114         assertGoodErrorDate(YearMonth::from, "YearMonth");
115         assertGoodErrorDate(MonthDay::from, "MonthDay");
116         assertGoodErrorDate(LocalDate::from, "LocalDate");
117         assertGoodErrorDate(LocalTime::from, "LocalTime");
118         assertGoodErrorDate(LocalDateTime::from, "LocalDateTime");
119         assertGoodErrorDate(OffsetTime::from, "OffsetTime");
120         assertGoodErrorDate(OffsetDateTime::from, "OffsetDateTime");
121         assertGoodErrorDate(ZonedDateTime::from, "ZonedDateTime");
122         assertGoodErrorDate(Instant::from, "Instant");
123         assertGoodErrorDate(ZoneOffset::from, "ZoneOffset");
124         assertGoodErrorDate(ZoneId::from, "ZoneId");
125         assertGoodErrorDate(ThaiBuddhistChronology.INSTANCE::date, "");
126 
127         assertGoodErrorTime(DayOfWeek::from, "DayOfWeek");
128         assertGoodErrorTime(Month::from, "Month");
129         assertGoodErrorTime(Year::from, "Year");
130         assertGoodErrorTime(YearMonth::from, "YearMonth");
131         assertGoodErrorTime(MonthDay::from, "MonthDay");
132         assertGoodErrorTime(LocalDate::from, "LocalDate");
133         assertGoodErrorTime(LocalTime::from, "LocalTime");
134         assertGoodErrorTime(LocalDateTime::from, "LocalDateTime");
135         assertGoodErrorTime(OffsetTime::from, "OffsetTime");
136         assertGoodErrorTime(OffsetDateTime::from, "OffsetDateTime");
137         assertGoodErrorTime(ZonedDateTime::from, "ZonedDateTime");
138         assertGoodErrorTime(Instant::from, "Instant");
139         assertGoodErrorTime(ZoneOffset::from, "ZoneOffset");
140         assertGoodErrorTime(ZoneId::from, "ZoneId");
141         assertGoodErrorTime(ThaiBuddhistChronology.INSTANCE::date, "");
142     }
143 
assertGoodErrorDate(Function<TemporalAccessor, Object> function, String expectedText)144     private void assertGoodErrorDate(Function<TemporalAccessor, Object> function, String expectedText) {
145         DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-mm-dd");
146         TemporalAccessor temporal = f.parse("2010-06-30");
147         try {
148             function.apply(temporal);
149             fail("Should have failed");
150         } catch (DateTimeException ex) {
151             String msg = ex.getMessage();
152             assertTrue(msg.contains(expectedText), msg);
153             assertTrue(msg.contains("Year"), msg);
154             assertTrue(msg.contains("MinuteOfHour"), msg);
155             assertTrue(msg.contains("DayOfMonth"), msg);
156         }
157     }
158 
assertGoodErrorTime(Function<TemporalAccessor, Object> function, String expectedText)159     private void assertGoodErrorTime(Function<TemporalAccessor, Object> function, String expectedText) {
160         DateTimeFormatter f = DateTimeFormatter.ofPattern("HH:MM:ss");
161         TemporalAccessor temporal = f.parse("11:30:56");
162         try {
163             function.apply(temporal);
164             fail("Should have failed");
165         } catch (DateTimeException ex) {
166             String msg = ex.getMessage();
167             assertTrue(msg.contains(expectedText), msg);
168             assertTrue(msg.contains("HourOfDay"), msg);
169             assertTrue(msg.contains("MonthOfYear"), msg);
170             assertTrue(msg.contains("SecondOfMinute"), msg);
171         }
172     }
173 
174     @Test
test_parsed_toString_resolvedTime()175     public void test_parsed_toString_resolvedTime() {
176         DateTimeFormatter f = DateTimeFormatter.ofPattern("HH:mm:ss");
177         TemporalAccessor temporal = f.parse("11:30:56");
178         String msg = temporal.toString();
179         assertTrue(msg.contains("11:30:56"), msg);
180     }
181 
182     @Test
test_parsed_toString_resolvedDate()183     public void test_parsed_toString_resolvedDate() {
184         DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-MM-dd");
185         TemporalAccessor temporal = f.parse("2010-06-30");
186         String msg = temporal.toString();
187         assertTrue(msg.contains("2010-06-30"), msg);
188     }
189 
190     @Test
test_parsed_toString_resolvedDateTime()191     public void test_parsed_toString_resolvedDateTime() {
192         DateTimeFormatter f = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
193         TemporalAccessor temporal = f.parse("2010-06-30 11:30:56");
194         String msg = temporal.toString();
195         assertTrue(msg.contains("2010-06-30"), msg);
196         assertTrue(msg.contains("11:30:56"), msg);
197     }
198 
199 }
200