} catch (IOException e) {
      throw new AssertionError();
    }
  }

  @Override
  public void tearDown() throws IOException {
    factory.tearDown();
  }

  static ImmutableList<Method> getTestMethods(Class<?> testClass) {
    List<Method> result = Lists.newArrayList();
    for (Method method : testClass.getDeclaredMethods()) {
      if (Modifier.isPublic(method.getModifiers())

public class CharSourceTester extends SourceSinkTester<CharSource, String, CharSourceFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(CharSourceTester.class);

  static TestSuite tests(String name, CharSourceFactory factory, boolean testAsByteSource) {
    TestSuite suite = new TestSuite(name);

    } catch (IOException e) {
      throw new AssertionError();
    }
  }

  @Override
  public void tearDown() throws IOException {
    factory.tearDown();
  }

  static ImmutableList<Method> getTestMethods(Class<?> testClass) {
    List<Method> result = Lists.newArrayList();
    for (Method method : testClass.getDeclaredMethods()) {
      if (Modifier.isPublic(method.getModifiers())

@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).
public class ByteSinkTester extends SourceSinkTester<ByteSink, byte[], ByteSinkFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(ByteSinkTester.class);

  static TestSuite tests(String name, ByteSinkFactory factory) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {

@AndroidIncompatible // TODO(b/230620681): Make this available (even though we won't run it).
public class ByteSinkTester extends SourceSinkTester<ByteSink, byte[], ByteSinkFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(ByteSinkTester.class);

  static TestSuite tests(String name, ByteSinkFactory factory) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {

public class ByteSourceTester extends SourceSinkTester<ByteSource, byte[], ByteSourceFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(ByteSourceTester.class);

  static TestSuite tests(String name, ByteSourceFactory factory, boolean testAsCharSource) {
    TestSuite suite = new TestSuite(name);

public class CharSourceTester extends SourceSinkTester<CharSource, String, CharSourceFactory> {

  private static final ImmutableList<Method> testMethods = getTestMethods(CharSourceTester.class);

  static TestSuite tests(String name, CharSourceFactory factory, boolean testAsByteSource) {
    TestSuite suite = new TestSuite(name);