| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.datetime.timezone; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.icu.text.Collator; |
| |
| import com.android.settings.datetime.timezone.RegionZonePicker.TimeZoneInfoComparator; |
| import com.android.settings.datetime.timezone.TimeZoneInfo.Formatter; |
| import com.android.settings.testutils.SettingsRobolectricTestRunner; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Locale; |
| |
| @RunWith(SettingsRobolectricTestRunner.class) |
| public class RegionZonePickerTest { |
| |
| @Test |
| public void compareTimeZoneInfo_matchGmtOrder() { |
| Date now = new Date(0); // 00:00 1, Jan 1970 |
| Formatter formatter = new Formatter(Locale.US, now); |
| TimeZoneInfo timeZone1 = formatter.format("Pacific/Honolulu"); |
| TimeZoneInfo timeZone2 = formatter.format("America/Los_Angeles"); |
| TimeZoneInfo timeZone3 = formatter.format("America/Indiana/Marengo"); |
| TimeZoneInfo timeZone4 = formatter.format("America/New_York"); |
| |
| TimeZoneInfoComparator comparator = |
| new TimeZoneInfoComparator(Collator.getInstance(Locale.US), now); |
| |
| // Verify the sorted order |
| List<TimeZoneInfo> list = Arrays.asList(timeZone4, timeZone2, timeZone3, timeZone1); |
| Collections.sort(list, comparator); |
| assertThat(list).isEqualTo(Arrays.asList(timeZone1, timeZone2, timeZone3, timeZone4)); |
| } |
| |
| } |