9f1e911759
Previously everything lived in an inner class method of SettingsRobolectricTestRunner. That method has now been turned into a static method so that it can be called by other runners. Bug: 62460102 Test: robotests Change-Id: I6612b1f26404587301c534c8ba60e39d59d6c840
110 lines
3.5 KiB
Java
110 lines
3.5 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.widget;
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import android.os.Parcelable;
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import android.support.v4.view.PagerAdapter;
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import android.text.TextUtils;
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import android.view.View;
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import android.view.ViewGroup;
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import com.android.settings.testutils.SettingsRobolectricTestRunner;
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import com.android.settings.TestConfig;
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import com.android.settings.testutils.shadow.ShadowTextUtils;
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import java.util.Locale;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.annotation.Config;
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import org.robolectric.shadows.ShadowApplication;
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import static com.google.common.truth.Truth.assertThat;
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@RunWith(SettingsRobolectricTestRunner.class)
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@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
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public class RtlCompatibleViewPagerTest {
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private Locale mLocaleEn;
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private Locale mLocaleHe;
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private RtlCompatibleViewPager mViewPager;
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@Before
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public void setUp() {
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mViewPager = new RtlCompatibleViewPager(
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ShadowApplication.getInstance().getApplicationContext());
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mViewPager.setAdapter(new ViewPagerAdapter());
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mLocaleEn = new Locale("en");
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mLocaleHe = new Locale("he");
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}
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@Test
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@Config(shadows = {ShadowTextUtils.class})
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public void testGetCurrentItem_shouldMaintainIndexDuringLocaleChange() {
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testRtlCompatibleInner(0);
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testRtlCompatibleInner(1);
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}
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private void testRtlCompatibleInner(int currentItem) {
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// Set up the environment
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Locale.setDefault(mLocaleEn);
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mViewPager.setCurrentItem(currentItem);
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assertThat(TextUtils.getLayoutDirectionFromLocale(Locale.getDefault()))
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.isEqualTo(View.LAYOUT_DIRECTION_LTR);
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assertThat(mViewPager.getCurrentItem()).isEqualTo(currentItem);
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// Simulate to change the language to RTL
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Parcelable savedInstance = mViewPager.onSaveInstanceState();
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Locale.setDefault(mLocaleHe);
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mViewPager.onRestoreInstanceState(savedInstance);
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assertThat(TextUtils.getLayoutDirectionFromLocale(Locale.getDefault()))
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.isEqualTo(View.LAYOUT_DIRECTION_RTL);
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assertThat(mViewPager.getCurrentItem()).isEqualTo(currentItem);
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}
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/**
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* Test viewpager adapter, uses 2 view to test it
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*/
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private static final class ViewPagerAdapter extends PagerAdapter {
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private static final int ITEM_COUNT = 2;
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public ViewPagerAdapter() {
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}
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@Override
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public int getCount() {
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return ITEM_COUNT;
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}
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@Override
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public boolean isViewFromObject(View view, Object object) {
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return view == object;
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}
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@Override
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public Object instantiateItem(ViewGroup container, int position) {
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return null;
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}
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@Override
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public CharSequence getPageTitle(int position) {
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return null;
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}
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}
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}
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