content: /*
   * 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.google.android.exoplayer2.upstream;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  
  import android.net.Uri;
  import android.util.Base64;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import com.google.android.exoplayer2.testutil.DataSourceContractTest;
  import com.google.android.exoplayer2.testutil.TestUtil;
  import com.google.common.collect.ImmutableList;
  import java.util.Random;
  import org.junit.runner.RunWith;
  
  /** {@link DataSource} contract tests for {@link ByteArrayDataSource}. */
  @RunWith(AndroidJUnit4.class)
  public class DataSchemeDataSourceContractTest extends DataSourceContractTest {
  
    private static final String DATA = TestUtil.buildTestString(20, new Random(0));
    private static final String BASE64_ENCODED_DATA =
        Base64.encodeToString(TestUtil.buildTestData(20), Base64.DEFAULT);
  
    @Override
    protected ImmutableList<TestResource> getTestResources() {
      return ImmutableList.of(
          new TestResource.Builder()
              .setName("plain text")
              .setUri("data:text/plain," + DATA)
              .setExpectedBytes(DATA.getBytes(UTF_8))
              .build(),
          new TestResource.Builder()
              .setName("base64 encoded text")
              .setUri("data:text/plain;base64," + BASE64_ENCODED_DATA)
              .setExpectedBytes(Base64.decode(BASE64_ENCODED_DATA, Base64.DEFAULT))
              .build());
    }
  
    @Override
    protected Uri getNotFoundUri() {
      return Uri.parse("data:");
    }
  
    @Override
    protected DataSource createDataSource() {
      return new DataSchemeDataSource();
    }
  }
  