content: /*
   * Copyright (C) 2018 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.server.backup.encryption.storage;
  
  import static com.google.common.truth.Truth.assertThat;
  
  import android.platform.test.annotations.Presubmit;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.robolectric.RobolectricTestRunner;
  import org.robolectric.RuntimeEnvironment;
  
  /** Tests for {@link BackupEncryptionDb}. */
  @RunWith(RobolectricTestRunner.class)
  @Presubmit
  public class BackupEncryptionDbTest {
      private BackupEncryptionDb mBackupEncryptionDb;
  
      /** Creates an empty {@link BackupEncryptionDb} */
      @Before
      public void setUp() {
          mBackupEncryptionDb = BackupEncryptionDb.newInstance(RuntimeEnvironment.application);
      }
  
      /**
       * Tests that the tertiary keys table gets cleared when calling {@link
       * BackupEncryptionDb#clear()}.
       */
      @Test
      public void clear_withNonEmptyTertiaryKeysTable_clearsTertiaryKeysTable() throws Exception {
          String secondaryKeyAlias = "secondaryKeyAlias";
          TertiaryKeysTable tertiaryKeysTable = mBackupEncryptionDb.getTertiaryKeysTable();
          tertiaryKeysTable.addKey(new TertiaryKey(secondaryKeyAlias, "packageName", new byte[0]));
  
          mBackupEncryptionDb.clear();
  
          assertThat(tertiaryKeysTable.getAllKeys(secondaryKeyAlias)).isEmpty();
      }
  }
  