public static ByteSinkFactory fileByteSinkFactory() {
    return new FileByteSinkFactory(null);
  }

  public static ByteSinkFactory appendingFileByteSinkFactory() {
    String initialString = IoTestCase.ASCII + IoTestCase.I18N;
    return new FileByteSinkFactory(initialString.getBytes(UTF_8));
  }

  public static CharSourceFactory fileCharSourceFactory() {
    return new FileCharSourceFactory();
  }

/**
 * 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();
  }

  public void testOpenBufferedStream() throws IOException {

	VAESENC 7(AX)(CX*8), X11, X30                      // 62622508dcb4c807000000 or 6262a508dcb4c807000000
	VAESENC Y18, Y15, Y2                               // 62b20528dcd2 or 62b28528dcd2
	VAESENC Y24, Y15, Y2                               // 62920528dcd0 or 62928528dcd0
	VAESENC Y18, Y22, Y2                               // 62b24d20dcd2 or 62b2cd20dcd2

 * @author Colin Decker
 */
@NullUnmarked
public abstract class IoTestCase extends TestCase {

  private static final Logger logger = Logger.getLogger(IoTestCase.class.getName());

  static final String I18N =
      "\u00CE\u00F1\u0163\u00E9\u0072\u00F1\u00E5\u0163\u00EE\u00F6"
          + "\u00F1\u00E5\u013C\u00EE\u017E\u00E5\u0163\u00EE\u00F6\u00F1";

  static final String ASCII =

	VFMADD132PS 15(DX)(BX*2), X23, K5, X11             // 62724505989c5a0f000000
	VFMADD132PS Y3, Y18, K7, Y31                       // 62626d2798fb
	VFMADD132PS 17(SP), Y18, K7, Y31                   // 62626d2798bc2411000000
	VFMADD132PS -17(BP)(SI*4), Y18, K7, Y31            // 62626d2798bcb5efffffff
	VFMADD132PS Z3, Z11, K7, Z21                       // 62e2254f98eb

	VPOPCNTW Y18, K3, Y21                              // 62a2fd2b54ea
	VPOPCNTW Y24, K3, Y21                              // 6282fd2b54e8
	VPOPCNTW (SI), K3, Y21                             // 62e2fd2b542e
	VPOPCNTW 7(SI)(DI*2), K3, Y21                      // 62e2fd2b54ac7e07000000
	VPOPCNTW Y13, K3, Y7                               // 62d2fd2b54fd
	VPOPCNTW Y18, K3, Y7                               // 62b2fd2b54fa

	VPCONFLICTQ Y18, K4, Y11                           // 6232fd2cc4da
	VPCONFLICTQ Y20, K4, Y11                           // 6232fd2cc4dc
	VPCONFLICTQ 99(R15)(R15*8), K4, Y11                // 6212fd2cc49cff63000000
	VPCONFLICTQ 7(AX)(CX*8), K4, Y11                   // 6272fd2cc49cc807000000
	VPCONFLICTQ Y5, K4, Y24                            // 6262fd2cc4c5
	VPCONFLICTQ Y18, K4, Y24                           // 6222fd2cc4c2

              "CharSource.empty[]", SourceSinkFactories.emptyCharSourceFactory(), asByteSource));
    }
    suite.addTestSuite(CharSourceTest.class);
    return suite;
  }

  private static final String STRING = ASCII + I18N;
  private static final String LINES = "foo\nbar\r\nbaz\rsomething";
  private static final ImmutableList<String> SPLIT_LINES =
      ImmutableList.of("foo", "bar", "baz", "something");

  private TestCharSource source;

	VBROADCASTI32X2 X25, K7, Y18                       // 62827d2f59d1
	VBROADCASTI32X2 X11, K7, Y18                       // 62c27d2f59d3
	VBROADCASTI32X2 X17, K7, Y18                       // 62a27d2f59d1
	VBROADCASTI32X2 -7(DI)(R8*1), K7, Y18              // 62a27d2f599407f9ffffff
	VBROADCASTI32X2 (SP), K7, Y18                      // 62e27d2f591424

	VPTESTMB Y3, Y18, K4, K5                           // 62f26d2426eb
	VPTESTMB 15(R8)(R14*8), Y18, K4, K5                // 62926d2426acf00f000000
	VPTESTMB -15(R14)(R15*2), Y18, K4, K5              // 62926d2426ac7ef1ffffff
	VPTESTMB Y3, Y18, K4, K4                           // 62f26d2426e3
	VPTESTMB 15(R8)(R14*8), Y18, K4, K4                // 62926d2426a4f00f000000