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/*
* 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 com.android.test.multiuser;
import static android.provider.Settings.Secure.FONT_WEIGHT_ADJUSTMENT;
import static android.provider.Settings.System.FONT_SCALE;
import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
import static org.junit.Assert.assertEquals;
import android.content.ContentResolver;
import android.content.Context;
import android.os.UserManager;
import android.provider.Settings;
import androidx.test.platform.app.InstrumentationRegistry;
import org.junit.Assume;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class MultiUserSettingsTests {
private final Context mContext = getInstrumentation().getTargetContext();
private final ContentResolver mContentResolver = mContext.getContentResolver();
private static void waitForBroadcastIdle() throws InterruptedException {
final int sleepDuration = 1000;
final String cmdAmWaitForBroadcastIdle = "am wait-for-broadcast-idle";
Thread.sleep(sleepDuration);
InstrumentationRegistry.getInstrumentation().getUiAutomation()
.executeShellCommand(cmdAmWaitForBroadcastIdle);
Thread.sleep(sleepDuration);
}
private float getGlobalFontScale() {
return mContext.getResources().getConfiguration().fontScale;
}
private int getGlobalFontWeight() {
return mContext.getResources().getConfiguration().fontWeightAdjustment;
}
private float getFontScaleOfUser(int userId) {
return Settings.System.getFloatForUser(mContentResolver, FONT_SCALE, 1, userId);
}
private int getFontWeightOfUser(int userId) {
return Settings.Secure.getIntForUser(mContentResolver, FONT_WEIGHT_ADJUSTMENT, 1, userId);
}
private void setFontScaleOfUser(float fontScale, int userId) throws InterruptedException {
Settings.System.putFloatForUser(mContentResolver, FONT_SCALE, fontScale, userId);
waitForBroadcastIdle();
}
private void setFontWeightOfUser(int fontWeight, int userId) throws InterruptedException {
Settings.Secure.putIntForUser(mContentResolver, FONT_WEIGHT_ADJUSTMENT, fontWeight, userId);
waitForBroadcastIdle();
}
@Test
public void testChangingFontScaleOfABackgroundUser_shouldNotAffectUI()
throws InterruptedException {
Assume.assumeTrue(UserManager.supportsMultipleUsers());
UserManager userManager = UserManager.get(mContext);
final int backgroundUserId = userManager.createUser("test_user",
UserManager.USER_TYPE_FULL_SECONDARY, 0).id;
final float oldFontScaleOfBgUser = getFontScaleOfUser(backgroundUserId);
final float oldGlobalFontScale = getGlobalFontScale();
final float newFontScaleOfBgUser = 1 + Math.max(oldGlobalFontScale, oldFontScaleOfBgUser);
try {
setFontScaleOfUser(newFontScaleOfBgUser, backgroundUserId);
final float newGlobalFontScale = getGlobalFontScale();
assertEquals(oldGlobalFontScale, newGlobalFontScale, 0);
} finally {
setFontScaleOfUser(oldFontScaleOfBgUser, backgroundUserId);
userManager.removeUser(backgroundUserId);
}
}
@Test
public void testChangingFontWeightOfABackgroundUser_shouldNotAffectUI()
throws InterruptedException {
Assume.assumeTrue(UserManager.supportsMultipleUsers());
UserManager userManager = UserManager.get(mContext);
final int backgroundUserId = userManager.createUser("test_user",
UserManager.USER_TYPE_FULL_SECONDARY, 0).id;
final int oldFontWeightOfBgUser = getFontWeightOfUser(backgroundUserId);
final int oldGlobalFontWeight = getGlobalFontWeight();
final int newFontWeightOfBgUser = 2 * Math.max(oldGlobalFontWeight, oldFontWeightOfBgUser);
try {
setFontWeightOfUser(newFontWeightOfBgUser, backgroundUserId);
final int newGlobalFontWeight = getGlobalFontWeight();
assertEquals(oldGlobalFontWeight, newGlobalFontWeight);
} finally {
setFontWeightOfUser(oldFontWeightOfBgUser, backgroundUserId);
userManager.removeUser(backgroundUserId);
}
}
@Test
public void testChangingFontScaleOfTheForegroundUser_shouldAffectUI()
throws InterruptedException {
Assume.assumeTrue(UserManager.supportsMultipleUsers());
final int currentUserId = mContext.getUserId();
final float oldFontScale = getFontScaleOfUser(currentUserId);
final float newFontScale = 1 + oldFontScale;
try {
setFontScaleOfUser(newFontScale, currentUserId);
final float globalFontScale = getGlobalFontScale();
assertEquals(newFontScale, globalFontScale, 0);
} finally {
setFontScaleOfUser(oldFontScale, currentUserId);
}
}
@Test
public void testChangingFontWeightOfTheForegroundUser_shouldAffectUI()
throws InterruptedException {
Assume.assumeTrue(UserManager.supportsMultipleUsers());
final int currentUserId = mContext.getUserId();
final int oldFontWeight = getFontWeightOfUser(currentUserId);
final int newFontWeight = 2 * oldFontWeight;
try {
setFontWeightOfUser(newFontWeight, currentUserId);
final int globalFontWeight = getGlobalFontWeight();
assertEquals(newFontWeight, globalFontWeight);
} finally {
setFontWeightOfUser(oldFontWeight, currentUserId);
}
}
}
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