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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.content.pm;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 import static org.junit.Assert.assertNull;
     21 
     22 import android.content.pm.PackageParser.Package;
     23 import android.os.Build;
     24 import android.support.test.filters.SmallTest;
     25 
     26 import org.junit.Before;
     27 import org.junit.Test;
     28 import org.junit.runner.RunWith;
     29 import org.junit.runners.JUnit4;
     30 
     31 import java.util.ArrayList;
     32 import java.util.Collections;
     33 
     34 @SmallTest
     35 @RunWith(JUnit4.class)
     36 public class PackageBackwardCompatibilityTest {
     37 
     38     private static final String ORG_APACHE_HTTP_LEGACY = "org.apache.http.legacy";
     39 
     40     private static final String ANDROID_TEST_RUNNER = "android.test.runner";
     41 
     42     private static final String ANDROID_TEST_MOCK = "android.test.mock";
     43 
     44     private Package mPackage;
     45 
     46     private static ArrayList<String> arrayList(String... strings) {
     47         ArrayList<String> list = new ArrayList<>();
     48         Collections.addAll(list, strings);
     49         return list;
     50     }
     51 
     52     @Before
     53     public void setUp() {
     54         mPackage = new Package("org.package.name");
     55         mPackage.applicationInfo.targetSdkVersion = Build.VERSION_CODES.CUR_DEVELOPMENT;
     56     }
     57 
     58     @Test
     59     public void null_usesLibraries() {
     60         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     61         assertNull("usesLibraries not updated correctly", mPackage.usesLibraries);
     62     }
     63 
     64     @Test
     65     public void null_usesOptionalLibraries() {
     66         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     67         assertNull("usesOptionalLibraries not updated correctly", mPackage.usesOptionalLibraries);
     68     }
     69 
     70     @Test
     71     public void remove_org_apache_http_legacy_from_usesLibraries() {
     72         mPackage.usesLibraries = arrayList(ORG_APACHE_HTTP_LEGACY);
     73         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     74         assertNull("usesLibraries not updated correctly", mPackage.usesLibraries);
     75     }
     76 
     77     @Test
     78     public void remove_org_apache_http_legacy_from_usesOptionalLibraries() {
     79         mPackage.usesOptionalLibraries = arrayList(ORG_APACHE_HTTP_LEGACY);
     80         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     81         assertNull("usesOptionalLibraries not updated correctly", mPackage.usesOptionalLibraries);
     82     }
     83 
     84     @Test
     85     public void android_test_runner_in_usesLibraries() {
     86         mPackage.usesLibraries = arrayList(ANDROID_TEST_RUNNER);
     87         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     88         assertEquals("usesLibraries not updated correctly",
     89                 arrayList(ANDROID_TEST_RUNNER, ANDROID_TEST_MOCK),
     90                 mPackage.usesLibraries);
     91     }
     92 
     93     @Test
     94     public void android_test_runner_in_usesOptionalLibraries() {
     95         mPackage.usesOptionalLibraries = arrayList(ANDROID_TEST_RUNNER);
     96         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
     97         assertEquals("usesOptionalLibraries not updated correctly",
     98                 arrayList(ANDROID_TEST_RUNNER, ANDROID_TEST_MOCK),
     99                 mPackage.usesOptionalLibraries);
    100     }
    101 
    102     @Test
    103     public void android_test_runner_in_usesLibraries_android_test_mock_in_usesOptionalLibraries() {
    104         mPackage.usesLibraries = arrayList(ANDROID_TEST_RUNNER);
    105         mPackage.usesOptionalLibraries = arrayList(ANDROID_TEST_MOCK);
    106         PackageBackwardCompatibility.modifySharedLibraries(mPackage);
    107         assertEquals("usesLibraries not updated correctly",
    108                 arrayList(ANDROID_TEST_RUNNER),
    109                 mPackage.usesLibraries);
    110         assertEquals("usesOptionalLibraries not updated correctly",
    111                 arrayList(ANDROID_TEST_MOCK),
    112                 mPackage.usesOptionalLibraries);
    113     }
    114 }
    115