if d < 0 {
		return -d
	}
	return d
}

func readPng(filename string) (image.Image, error) {
	f, err := os.Open(filename)
	if err != nil {
		return nil, err
	}
	defer f.Close()
	return png.Decode(f)
}

func TestWriter(t *testing.T) {
	for _, tc := range testCase {
		// Read the image.
		m0, err := readPng(tc.filename)
		if err != nil {
			t.Error(tc.filename, err)
			continue

		names = filenamesShort
	}
	for _, fn := range names {
		qfn := "testdata/pngsuite/" + fn + ".png"
		// Read the image.
		m0, err := readPNG(qfn)
		if err != nil {
			t.Error(fn, err)
			continue
		}
		// Read the image again, encode it, and decode it.
		m1, err := readPNG(qfn)
		if err != nil {
			t.Error(fn, err)
			continue
		}
		m2, err := encodeDecode(m1)
		if err != nil {
			t.Error(fn, err)

		}
		if pal == nil {
			t.Errorf("%s: palette not initialized", fn)
			continue
		}
	}
}

func TestInterlaced(t *testing.T) {
	a, err := readPNG("testdata/gray-gradient.png")
	if err != nil {
		t.Fatal(err)
	}
	b, err := readPNG("testdata/gray-gradient.interlaced.png")
	if err != nil {
		t.Fatal(err)
	}
	if !reflect.DeepEqual(a, b) {

    protected void setUp() throws Exception {
        file1 = File.createTempFile("kuromoji_", ".txt");
        FileUtil.write(
                file1.getAbsolutePath(),
                "token1,seg1,reading1,pos1\ntoken2,seg2,reading2,pos2\ntoken3,seg3,reading3,pos3"
                        .getBytes(Constants.UTF_8));
    }

    @Override
    protected void tearDown() throws Exception {
        file1.delete();
    }
    */

package markdown

import (
	"bytes"
	"fmt"
	"strings"
)

type Heading struct {
	Position
	Level int
	Text  *Text
	// The HTML id attribute. The parser populates this field if
	// [Parser.HeadingIDs] is true and the heading ends with text like "{#id}".
	ID string
}

func (b *Heading) PrintHTML(buf *bytes.Buffer) {
	fmt.Fprintf(buf, "<h%d", b.Level)
	if b.ID != "" {

   * Reads an integer as specified by {@link DataInputStream#readInt()}, except using little-endian
   * byte order.
   *
   * @return the next four bytes of the input stream, interpreted as an {@code int} in little-endian
   *     byte order
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue // to skip some bytes
  @Override
  public int readInt() throws IOException {
    byte b1 = readAndCheckByte();

    for (int i = 0; i < distinctKeys; i++) {
      @SuppressWarnings("unchecked") // reading data stored by writeMultimap
      K key = (K) stream.readObject();
      Collection<V> values = multimap.get(key);
      int valueCount = stream.readInt();
      for (int j = 0; j < valueCount; j++) {
        @SuppressWarnings("unchecked") // reading data stored by writeMultimap
        V value = (V) stream.readObject();
        values.add(value);

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  char readChar();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readInt();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  long readLong();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  float readFloat();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  double readDouble();

    for (int i = 0; i < distinctKeys; i++) {
      @SuppressWarnings("unchecked") // reading data stored by writeMultimap
      K key = (K) stream.readObject();
      Collection<V> values = multimap.get(key);
      int valueCount = stream.readInt();
      for (int j = 0; j < valueCount; j++) {
        @SuppressWarnings("unchecked") // reading data stored by writeMultimap
        V value = (V) stream.readObject();
        values.add(value);

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  char readChar();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  int readInt();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  long readLong();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  float readFloat();

  @CanIgnoreReturnValue // to skip some bytes
  @Override
  double readDouble();