View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.lang3.time;
18  
19  import static org.junit.jupiter.api.Assertions.assertEquals;
20  
21  import java.text.SimpleDateFormat;
22  import java.util.Calendar;
23  import java.util.TimeZone;
24  import java.util.stream.Stream;
25  
26  import org.apache.commons.lang3.AbstractLangTest;
27  import org.junit.jupiter.params.ParameterizedTest;
28  import org.junit.jupiter.params.provider.MethodSource;
29  
30  public class FastDatePrinterTimeZonesTest extends AbstractLangTest {
31  
32      private static final String PATTERN = "h:mma z";
33  
34      public static Stream<TimeZone> data() {
35          return Stream.of(TimeZone.getAvailableIDs()).map(TimeZone::getTimeZone);
36      }
37  
38      @ParameterizedTest
39      @MethodSource("data")
40      public void testCalendarTimezoneRespected(final TimeZone timeZone) {
41          final Calendar cal = Calendar.getInstance(timeZone);
42  
43          final SimpleDateFormat sdf = new SimpleDateFormat(PATTERN);
44          sdf.setTimeZone(timeZone);
45          final String expectedValue = sdf.format(cal.getTime());
46          final String actualValue = FastDateFormat.getInstance(PATTERN, timeZone).format(cal);
47          assertEquals(expectedValue, actualValue);
48      }
49  
50  }