/**
 * Unit tests for {@link LineBuffer} and {@link LineReader}.
 *
 * @author Chris Nokleberg
 */
@AndroidIncompatible // occasionally very slow
@NullUnmarked
public class LineBufferTest extends IoTestCase {

  public void testProcess() throws IOException {
    bufferHelper("");
    bufferHelper("\n", "\n");
    bufferHelper("\r\n", "\r\n");
    bufferHelper("\n\r", "\n", "\r");
    bufferHelper("\r", "\r");

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code CharSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CharSinkTest extends IoTestCase {

  private static final String STRING = ASCII + I18N;

  private TestCharSink sink;

  @Override
  public void setUp() {
    sink = new TestCharSink();
  }

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code CharSink} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CharSinkTest extends IoTestCase {

  private static final String STRING = ASCII + I18N;

  private TestCharSink sink;

  @Override
  public void setUp() {
    sink = new TestCharSink();
  }

import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Resources}.
 *
 * @author Chris Nokleberg
 */

@NullUnmarked
public class ResourcesTest extends IoTestCase {

  @AndroidIncompatible // wouldn't run anyway, but strip the source entirely because of b/230620681
  public static TestSuite suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(

 *
 * <p>For a tiny bit more testing, see {@link FileBackedOutputStreamAndroidIncompatibleTest}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class FileBackedOutputStreamTest extends IoTestCase {


  public void testThreshold() throws Exception {
    testThreshold(0, 100, true, false);
    testThreshold(10, 100, true, false);
    testThreshold(100, 100, true, false);

import org.jspecify.annotations.NullUnmarked;

/**
 * Tests for the default implementations of {@code CharSource} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class CharSourceTest extends IoTestCase {

  @AndroidIncompatible // Android doesn't understand suites whose tests lack default constructors.
  public static TestSuite suite() {
    TestSuite suite = new TestSuite();

import org.jspecify.annotations.Nullable;

/**
 * Tests for the default implementations of {@code ByteSource} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class ByteSourceTest extends IoTestCase {

  @AndroidIncompatible // Android doesn't understand suites whose tests lack default constructors.
  public static TestSuite suite() {
    TestSuite suite = new TestSuite();

import org.jspecify.annotations.Nullable;

/**
 * Tests for the default implementations of {@code ByteSource} methods.
 *
 * @author Colin Decker
 */
@NullUnmarked
public class ByteSourceTest extends IoTestCase {

  @AndroidIncompatible // Android doesn't understand suites whose tests lack default constructors.
  public static TestSuite suite() {
    TestSuite suite = new TestSuite();

 * </ul>
 *
 * @author Chris Nokleberg
 */

@SuppressWarnings("InlineMeInliner") // many tests of deprecated methods
@NullUnmarked
public class FilesTest extends IoTestCase {

  @AndroidIncompatible // suites, ByteSourceTester (b/230620681)
  public static TestSuite suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(
        ByteSourceTester.tests(

import java.util.Arrays;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link ByteStreams}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class ByteStreamsTest extends IoTestCase {

  public void testCopyChannel() throws IOException {
    byte[] expected = newPreFilledByteArray(100);
    ByteArrayOutputStream out = new ByteArrayOutputStream();