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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.sharedlibloadingtest.client;
import static org.testng.Assert.assertEquals;
import android.content.Context;
import android.content.res.Resources;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.android.internal.util.Preconditions;
import com.android.sharedlibloadingtest.ClientClass;
import com.android.sharedlibloadingtest.DuplicateClassA;
import com.android.sharedlibloadingtest.DuplicateClassB;
import com.android.sharedlibloadingtest.SharedClassAfter;
import com.android.sharedlibloadingtest.StdSharedClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.Collections;
import java.util.HashSet;
@RunWith(AndroidJUnit4.class)
public class SharedLibraryLoadingOrderTest {
@Test
public void testLoadingOfStdShareLibsShouldBeFirst() {
Preconditions.checkArgument(!getLibsLoadedAfter()
.contains("com.android.sharedlibloadingtest.shared_library"));
DuplicateClassA clazz = new DuplicateClassA();
assertEquals(clazz.toString(), "Standard Shared Lib's Version");
StdSharedClass stdSharedClass = new StdSharedClass();
assertEquals(stdSharedClass.toString(), "Nothing Special Lib");
ClientClass clientCode = new ClientClass();
assertEquals(clientCode.toString(), "Client Code");
}
@Test
public void testLoadingOfShareLibsIsAfter() {
Preconditions.checkArgument(getLibsLoadedAfter()
.contains("com.android.sharedlibloadingtest.shared_library_after"));
DuplicateClassB clazz = new DuplicateClassB();
assertEquals(clazz.toString(), "Client's Version B");
SharedClassAfter stdSharedClass = new SharedClassAfter();
assertEquals(stdSharedClass.toString(), "Also Nothing Special");
ClientClass clientCode = new ClientClass();
assertEquals(clientCode.toString(), "Client Code");
}
@Test
public void testLoadingOfResource() {
// aapt compiler gives each lib their own namespace so this test just confirming
// the resources can be loaded from the same context object
Context context = ApplicationProvider.getApplicationContext();
String clientString = context.getResources().getString(R.string.identical_resource_key);
assertEquals(clientString, "client value");
assertEquals(StdSharedClass.getResString(context), "std lib value");
assertEquals(SharedClassAfter.getResString(context), "loaded after value");
}
private HashSet<String> getLibsLoadedAfter() {
Resources systemR = Resources.getSystem();
HashSet<String> libsToLoadAfter = new HashSet<>();
Collections.addAll(libsToLoadAfter, systemR.getStringArray(
com.android.internal.R.array.config_sharedLibrariesLoadedAfterApp));
return libsToLoadAfter;
}
}
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