When the procession came opposite to Alice, they all stopped
and looked at her, and the Queen said severely `Who is this?'
She said it to the Knave of Hearts, who only bowed and smiled in reply.

  `Idiot!' said the Queen, tossing her head impatiently; and,
turning to Alice, she went on, `What's your name, child?'

  `My name is Alice, so please your Majesty,' said Alice very

  When the procession came opposite to Alice, they all stopped
and looked at her, and the Queen said severely `Who is this?'
She said it to the Knave of Hearts, who only bowed and smiled in reply.

  `Idiot!' said the Queen, tossing her head impatiently; and,
turning to Alice, she went on, `What's your name, child?'

  `My name is Alice, so please your Majesty,' said Alice very

    assertEquals(ImmutableList.of(I18N), Resources.readLines(resource, Charsets.UTF_8));
  }

  public void testReadLines_withLineProcessor() throws IOException {
    URL resource = getClass().getResource("testdata/alice_in_wonderland.txt");
    LineProcessor<List<String>> collectAndLowercaseAndTrim =
        new LineProcessor<List<String>>() {
          List<String> collector = new ArrayList<>();

          @Override

    assertEquals(ImmutableList.of(I18N), Resources.readLines(resource, Charsets.UTF_8));
  }

  public void testReadLines_withLineProcessor() throws IOException {
    URL resource = getClass().getResource("testdata/alice_in_wonderland.txt");
    LineProcessor<List<String>> collectAndLowercaseAndTrim =
        new LineProcessor<List<String>>() {
          List<String> collector = new ArrayList<>();

          @Override

    CharSource concatenated = CharSource.concat(cycle);

    String expected = "abcdabcd";

    // read the first 8 chars manually, since there's no equivalent to ByteSource.slice
    // TODO(cgdecker): Add CharSource.slice?
    StringBuilder builder = new StringBuilder();
    Reader reader = concatenated.openStream(); // no need to worry about closing
    for (int i = 0; i < 8; i++) {

    int chunk2 = dataSize - chunk1;

    // Write just enough to not trip the threshold
    if (chunk1 > 0) {
      write(out, data, 0, chunk1, singleByte);
      assertTrue(ByteSource.wrap(data).slice(0, chunk1).contentEquals(source));
    }
    File file = out.getFile();
    assertNull(file);

    // Write data to go over the threshold
    if (chunk2 > 0) {
      if (JAVA_IO_TMPDIR.value().equals("/sdcard")) {

    checkNotNull(factory);
    return new ByteSourceFactory() {
      @Override
      public ByteSource createSource(byte[] bytes) throws IOException {
        return factory.createSource(bytes).slice(off, len);
      }

      @Override
      public byte[] getExpected(byte[] bytes) {
        byte[] baseExpected = factory.getExpected(bytes);
        int startOffset = (int) Math.min(off, baseExpected.length);

    assertThrows(
        "expected IllegalArgumentException for call to slice with offset -1: " + source,
        IllegalArgumentException.class,
        () -> source.slice(-1, 0));

    assertThrows(
        "expected IllegalArgumentException for call to slice with length -1: " + source,
        IllegalArgumentException.class,
        () -> source.slice(0, -1));
  }

    int chunk2 = dataSize - chunk1;

    // Write just enough to not trip the threshold
    if (chunk1 > 0) {
      write(out, data, 0, chunk1, singleByte);
      assertTrue(ByteSource.wrap(data).slice(0, chunk1).contentEquals(source));
    }
    File file = out.getFile();
    assertNull(file);

    // Write data to go over the threshold
    if (chunk2 > 0) {
      if (JAVA_IO_TMPDIR.value().equals("/sdcard")) {

        from = partitionPoint + 1;
      }
    }
  }

  /**
   * Performs a partition operation on the slice of {@code array} with elements in the range [{@code
   * from}, {@code to}]. Uses the median of {@code from}, {@code to}, and the midpoint between them
   * as a pivot. Returns the index which the slice is partitioned around, i.e. if it returns {@code