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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.cts.overlay.target;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static org.junit.Assert.fail;
import android.app.Instrumentation;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserHandle;
import androidx.test.InstrumentationRegistry;
import androidx.test.rule.ActivityTestRule;
import androidx.test.runner.AndroidJUnit4;
import com.android.compatibility.common.util.PollingCheck;
import com.android.compatibility.common.util.SystemUtil;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@RunWith(AndroidJUnit4.class)
public class OverlayTargetTest {
// overlay package
private static final String OVERLAY_ALL_PACKAGE_NAME = "com.android.cts.overlay.all";
// Overlay states
private static final String STATE_DISABLED = "STATE_DISABLED";
private static final String STATE_ENABLED = "STATE_ENABLED";
// Default timeout value
private static final long TIMEOUT_MS = TimeUnit.SECONDS.toMillis(5);
// Keys for test arguments
private static final String PARAM_START_SERVICE = "start_service";
private Instrumentation mInstrumentation;
@Rule
public ActivityTestRule<OverlayTargetActivity> mActivityTestRule = new ActivityTestRule<>(
OverlayTargetActivity.class, false /* initialTouchMode */, false /* launchActivity */);
@Before
public void setup() {
mInstrumentation = InstrumentationRegistry.getInstrumentation();
launchOverlayTargetActivity(InstrumentationRegistry.getArguments());
assertThat(mActivityTestRule.getActivity()).isNotNull();
}
@Test
public void overlayEnabled_activityInForeground() throws Exception {
final OverlayTargetActivity targetActivity = mActivityTestRule.getActivity();
final CountDownLatch latch = new CountDownLatch(1);
targetActivity.setConfigurationChangedCallback((activity, config) -> {
latch.countDown();
activity.setConfigurationChangedCallback(null);
});
setOverlayEnabled(OVERLAY_ALL_PACKAGE_NAME, true /* enabled */);
if (!latch.await(TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
fail("Fail to wait configuration changes for the overlay target activity.");
}
}
@Test
public void overlayEnabled_activityInBackground_toForeground() throws Exception {
final OverlayTargetActivity targetActivity = mActivityTestRule.getActivity();
// Activity goes into background
launchSimpleActivity();
mInstrumentation.waitForIdleSync();
final CountDownLatch latch = new CountDownLatch(1);
targetActivity.setConfigurationChangedCallback((activity, config) -> {
latch.countDown();
activity.setConfigurationChangedCallback(null);
});
setOverlayEnabled(OVERLAY_ALL_PACKAGE_NAME, true /* enabled */);
if (latch.await(TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
fail("Activity in background should not receive configuration changes");
}
// Bring activity to foreground
final Intent intent = new Intent(mInstrumentation.getTargetContext(),
OverlayTargetActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
targetActivity.startActivity(intent);
if (!latch.await(TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
fail("Fail to wait configuration changes for the overlay target activity.");
}
}
private void launchOverlayTargetActivity(Bundle testArgs) {
final Intent intent = new Intent(mInstrumentation.getTargetContext(),
OverlayTargetActivity.class);
final boolean startService = (testArgs != null
&& "true".equalsIgnoreCase(testArgs.getString(PARAM_START_SERVICE)));
intent.putExtra(OverlayTargetActivity.EXTRA_START_SERVICE, startService);
mActivityTestRule.launchActivity(intent);
mInstrumentation.waitForIdleSync();
}
private static void setOverlayEnabled(String overlayPackage, boolean enabled)
throws Exception {
final String current = getStateForOverlay(overlayPackage);
final String expected = enabled ? STATE_ENABLED : STATE_DISABLED;
assertThat(current).isNotEqualTo(expected);
SystemUtil.runShellCommand("cmd overlay "
+ (enabled ? "enable" : "disable")
+ " --user current "
+ overlayPackage);
PollingCheck.check("Fail to wait overlay enabled state " + expected
+ " for " + overlayPackage, TIMEOUT_MS,
() -> expected.equals(getStateForOverlay(overlayPackage)));
}
private void launchSimpleActivity() {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClass(mInstrumentation.getTargetContext(), SimpleActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
mInstrumentation.startActivitySync(intent);
}
private static String getStateForOverlay(String overlayPackage) {
final String errorMsg = "Fail to parse the state of overlay package " + overlayPackage;
final String result = SystemUtil.runShellCommand("cmd overlay dump");
final String overlayPackageForCurrentUser = overlayPackage + ":" + UserHandle.myUserId();
final int startIndex = result.indexOf(overlayPackageForCurrentUser);
assertWithMessage(errorMsg).that(startIndex).isAtLeast(0);
final int endIndex = result.indexOf('}', startIndex);
assertWithMessage(errorMsg).that(endIndex).isGreaterThan(startIndex);
final int stateIndex = result.indexOf("mState", startIndex);
assertWithMessage(errorMsg).that(startIndex).isLessThan(stateIndex);
assertWithMessage(errorMsg).that(stateIndex).isLessThan(endIndex);
final int colonIndex = result.indexOf(':', stateIndex);
assertWithMessage(errorMsg).that(stateIndex).isLessThan(colonIndex);
assertWithMessage(errorMsg).that(colonIndex).isLessThan(endIndex);
final int endLineIndex = result.indexOf('\n', colonIndex);
assertWithMessage(errorMsg).that(colonIndex).isLessThan(endLineIndex);
assertWithMessage(errorMsg).that(endLineIndex).isLessThan(endIndex);
return result.substring(colonIndex + 2, endLineIndex);
}
}
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