diff --git a/library/core/src/test/java/com/google/android/exoplayer2/upstream/AssetDataSourceContractTest.java b/library/core/src/test/java/com/google/android/exoplayer2/upstream/AssetDataSourceContractTest.java new file mode 100644 index 0000000000..9df4155616 --- /dev/null +++ b/library/core/src/test/java/com/google/android/exoplayer2/upstream/AssetDataSourceContractTest.java @@ -0,0 +1,63 @@ +/* + * 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 android.net.Uri; +import androidx.test.core.app.ApplicationProvider; +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.io.IOException; +import org.junit.Before; +import org.junit.runner.RunWith; + +/** {@link DataSource} contract tests for {@link AssetDataSource}. */ +@RunWith(AndroidJUnit4.class) +public class AssetDataSourceContractTest extends DataSourceContractTest { + + // We pick an arbitrary file from the assets. The selected file has a convenient size of 1024 + // bytes. + private static final String ASSET_PATH = "media/mp3/1024_incrementing_bytes.mp3"; + private static final Uri ASSET_URI = Uri.parse("asset:///" + ASSET_PATH); + + private byte[] data; + + @Before + public void setUp() throws IOException { + data = TestUtil.getByteArray(ApplicationProvider.getApplicationContext(), ASSET_PATH); + } + + @Override + protected ImmutableList getTestResources() { + return ImmutableList.of( + new TestResource.Builder() + .setName("simple") + .setUri(ASSET_URI) + .setExpectedBytes(data) + .build()); + } + + @Override + protected Uri getNotFoundUri() { + return Uri.parse("asset:///nonexistentdir/nonexistentfile"); + } + + @Override + protected DataSource createDataSource() { + return new AssetDataSource(ApplicationProvider.getApplicationContext()); + } +}