| /* |
| * Copyright (C) 2017 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.settingslib.inputmethod; |
| |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.text.Collator; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Locale; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class InputMethodSubtypePreferenceTest { |
| |
| private static final List<InputMethodSubtypePreference> ITEMS_IN_ASCENDING = Arrays.asList( |
| // Subtypes that has the same locale of the system's. |
| createPreference("", "en_US", Locale.US), |
| createPreference("E", "en_US", Locale.US), |
| createPreference("Z", "en_US", Locale.US), |
| // Subtypes that has the same language of the system's. |
| createPreference("", "en", Locale.US), |
| createPreference("E", "en", Locale.US), |
| createPreference("Z", "en", Locale.US), |
| // Subtypes that has different language than the system's. |
| createPreference("", "ja", Locale.US), |
| createPreference("A", "hi_IN", Locale.US), |
| createPreference("B", "", Locale.US), |
| createPreference("E", "ja", Locale.US), |
| createPreference("Z", "ja", Locale.US) |
| ); |
| private static final List<InputMethodSubtypePreference> SAME_ORDER_ITEMS = Arrays.asList( |
| // Subtypes that has different language than the system's. |
| createPreference("A", "ja_JP", Locale.US), |
| createPreference("A", "hi_IN", Locale.US), |
| // Subtypes that has an empty subtype locale string. |
| createPreference("A", "", Locale.US) |
| ); |
| private static final Collator COLLATOR = Collator.getInstance(Locale.US); |
| |
| @Test |
| public void testComparableOrdering() throws Exception { |
| ComparableUtils.assertAscendingOrdering( |
| ITEMS_IN_ASCENDING, |
| (x, y) -> x.compareTo(y, COLLATOR), |
| InputMethodSubtypePreference::getKey); |
| } |
| |
| @Test |
| public void testComparableEquality() { |
| ComparableUtils.assertSameOrdering( |
| SAME_ORDER_ITEMS, |
| (x, y) -> x.compareTo(y, COLLATOR), |
| InputMethodSubtypePreference::getKey); |
| } |
| |
| @Test |
| public void testComparableContracts() { |
| final Collection<InputMethodSubtypePreference> items = new ArrayList<>(); |
| items.addAll(ITEMS_IN_ASCENDING); |
| items.addAll(SAME_ORDER_ITEMS); |
| items.add(createPreference("", "", Locale.US)); |
| items.add(createPreference("A", "en", Locale.US)); |
| items.add(createPreference("A", "en_US", Locale.US)); |
| items.add(createPreference("E", "hi_IN", Locale.US)); |
| items.add(createPreference("E", "en", Locale.US)); |
| items.add(createPreference("Z", "en_US", Locale.US)); |
| |
| ComparableUtils.assertComparableContracts( |
| items, |
| (x, y) -> x.compareTo(y, COLLATOR), |
| InputMethodSubtypePreference::getKey); |
| } |
| |
| private static InputMethodSubtypePreference createPreference( |
| final String subtypeName, |
| final String subtypeLocaleString, |
| final Locale systemLocale) { |
| final String key = subtypeName + "-" + subtypeLocaleString + "-" + systemLocale; |
| return new InputMethodSubtypePreference( |
| InstrumentationRegistry.getTargetContext(), |
| key, |
| subtypeName, |
| subtypeLocaleString, |
| systemLocale); |
| } |
| } |