| /* |
| * Copyright (C) 2021 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 androidx.appcompat.app |
| |
| import android.util.LayoutDirection.RTL |
| import android.webkit.WebView |
| import androidx.appcompat.testutils.LocalesActivityTestRule |
| import androidx.appcompat.testutils.LocalesUtils |
| import androidx.appcompat.testutils.LocalesUtils.CUSTOM_LOCALE_LIST |
| import androidx.appcompat.testutils.LocalesUtils.assertConfigurationLocalesEquals |
| import androidx.appcompat.testutils.LocalesUtils.getRTLLocaleList |
| import androidx.appcompat.testutils.LocalesUtils.setLocalesAndWait |
| import androidx.appcompat.testutils.LocalesUtils.setLocalesAndWaitForRecreate |
| import androidx.core.os.LocaleListCompat |
| import androidx.test.filters.FlakyTest |
| import androidx.test.filters.LargeTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.testutils.waitForExecution |
| import org.junit.Assert.assertEquals |
| import org.junit.Assert.assertNull |
| import org.junit.Before |
| import org.junit.Rule |
| import org.junit.Test |
| |
| @LargeTest |
| @SdkSuppress(maxSdkVersion = 32) |
| class LocalesUpdateTestCase() { |
| @get:Rule |
| val rule = LocalesActivityTestRule(LocalesUpdateActivity::class.java) |
| var systemLocales = LocaleListCompat.getEmptyLocaleList() |
| var expectedLocales = LocaleListCompat.getEmptyLocaleList() |
| |
| @Before |
| fun setUp() { |
| // Since no locales are applied as of now, current configuration will have system |
| // locales. |
| systemLocales = LocalesUpdateActivity.getConfigLocales(rule.activity |
| .resources.configuration) |
| expectedLocales = LocalesUpdateActivity.overlayCustomAndSystemLocales(CUSTOM_LOCALE_LIST, |
| systemLocales) |
| } |
| @Test |
| fun testDialogDoesNotOverrideActivityConfiguration() { |
| setLocalesAndWaitForRecreate(rule, CUSTOM_LOCALE_LIST) |
| // Now show a AppCompatDialog |
| lateinit var dialog: AppCompatDialog |
| rule.runOnUiThread { |
| dialog = AppCompatDialog(rule.activity) |
| dialog.show() |
| } |
| rule.waitForExecution() |
| // Now dismiss the dialog |
| rule.runOnUiThread { dialog.dismiss() } |
| |
| // Assert that the locales are unchanged |
| assertConfigurationLocalesEquals( |
| expectedLocales, |
| rule.activity.resources.configuration |
| ) |
| } |
| |
| @Test |
| fun testLoadingWebViewMaintainsConfiguration() { |
| setLocalesAndWaitForRecreate(rule, CUSTOM_LOCALE_LIST) |
| |
| // Now load a WebView into the Activity |
| rule.runOnUiThread { WebView(rule.activity) } |
| |
| // Now assert that the context still has applied locales. |
| assertEquals( |
| expectedLocales, |
| LocalesUpdateActivity.getConfigLocales(rule.activity.resources.configuration) |
| ) |
| } |
| |
| @Test |
| fun testOnLocalesChangedCalled() { |
| val activity = rule.activity |
| // Set local night mode to YES |
| setLocalesAndWait(rule, CUSTOM_LOCALE_LIST) |
| // Assert that the Activity received a new value |
| assertEquals(expectedLocales, activity.lastLocalesAndReset) |
| } |
| |
| @Test |
| fun testOnConfigurationChangeNotCalled() { |
| var activity = rule.activity |
| // Set locales to CUSTOM_LOCALE_LIST. |
| LocalesUtils.setLocalesAndWait( |
| rule, |
| CUSTOM_LOCALE_LIST |
| ) |
| // Assert that onConfigurationChange was not called on the original activity |
| assertNull(activity.lastConfigurationChangeAndClear) |
| |
| activity = rule.activity |
| // Set locales back to system locales. |
| setLocalesAndWait( |
| rule, |
| LocaleListCompat.getEmptyLocaleList() |
| ) |
| // Assert that onConfigurationChange was not called |
| assertNull(activity.lastConfigurationChangeAndClear) |
| } |
| |
| @SdkSuppress(minSdkVersion = 17) |
| @Test |
| @FlakyTest(bugId = 255765202) |
| fun testLayoutDirectionAfterRecreating() { |
| setLocalesAndWaitForRecreate(rule, getRTLLocaleList()) |
| |
| // Now assert that the layoutDirection of decorView is RTL |
| assertEquals(rule.activity.window.decorView.layoutDirection, RTL) |
| } |
| } |