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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.datetime.timezone;
     18 
     19 import static com.google.common.truth.Truth.assertThat;
     20 
     21 import com.android.settings.datetime.timezone.TimeZoneInfo.Formatter;
     22 import com.android.settings.testutils.SettingsRobolectricTestRunner;
     23 
     24 import org.junit.Test;
     25 import org.junit.runner.RunWith;
     26 
     27 import java.util.Date;
     28 import java.util.Locale;
     29 
     30 @RunWith(SettingsRobolectricTestRunner.class)
     31 public class TimeZoneInfoTest {
     32 
     33     @Test
     34     public void testFormat() {
     35         Date now = new Date(0L); // 00:00 1/1/1970
     36         Formatter formatter = new Formatter(Locale.US, now);
     37 
     38         TimeZoneInfo timeZoneInfo = formatter.format("America/Los_Angeles");
     39         assertThat(timeZoneInfo.getId()).isEqualTo("America/Los_Angeles");
     40         assertThat(timeZoneInfo.getExemplarLocation()).isEqualTo("Los Angeles");
     41         assertThat(timeZoneInfo.getGmtOffset().toString()).isEqualTo("GMT-08:00");
     42         assertThat(timeZoneInfo.getGenericName()).isEqualTo("Pacific Time");
     43         assertThat(timeZoneInfo.getStandardName()).isEqualTo("Pacific Standard Time");
     44         assertThat(timeZoneInfo.getDaylightName()).isEqualTo("Pacific Daylight Time");
     45     }
     46 
     47     @Test
     48     public void getGmtOffset_zoneLordHowe_correctGmtOffset() {
     49         Date date = new Date(1514764800000L); // 00:00 1/1/2018 GMT
     50         Formatter formatter = new Formatter(Locale.US, date);
     51 
     52         TimeZoneInfo timeZoneInfo = formatter.format("Australia/Lord_Howe");
     53         assertThat(timeZoneInfo.getGmtOffset().toString()).isEqualTo("GMT+11:00");
     54     }
     55 }
     56