NavigableMap<String, Integer> map = new SafeTreeMap<>();
    map.put("one", 1);
    map.put("two", 2);
    map.put("three", 3);
    return SerializableTester.reserialize(map);
  }

  @Override
  protected SortedMap<String, Integer> makeEmptyMap() throws UnsupportedOperationException {
    NavigableMap<String, Integer> map = new SafeTreeMap<>();
    return SerializableTester.reserialize(map);
  }

    private final transient ImmutableMap<K, V> map;
    private final transient ImmutableList<Entry<K, V>> entries;

    RegularEntrySet(ImmutableMap<K, V> map, Entry<K, V>[] entries) {
      this(map, asImmutableList(entries));
    }

    RegularEntrySet(ImmutableMap<K, V> map, ImmutableList<Entry<K, V>> entries) {
      this.map = map;
      this.entries = entries;
    }

    @Override

 * Null row keys, columns keys, and values are not supported.
 *
 * <p>Lookups by row key are often faster than lookups by column key, because the data is stored in
 * a {@code Map<R, Map<C, V>>}. A method call like {@code column(columnKey).get(rowKey)} still runs
 * quickly, since the row key is provided. However, {@code column(columnKey).size()} takes longer,
 * since an iteration across all row keys occurs.
 *

 * Null row keys, columns keys, and values are not supported.
 *
 * <p>Lookups by row key are often faster than lookups by column key, because the data is stored in
 * a {@code Map<R, Map<C, V>>}. A method call like {@code column(columnKey).get(rowKey)} still runs
 * quickly, since the row key is provided. However, {@code column(columnKey).size()} takes longer,
 * since an iteration across all row keys occurs.
 *

func TestParsePAX(t *testing.T) {
	vectors := []struct {
		in   string
		want map[string]string
		ok   bool
	}{
		{"", nil, true},
		{"6 k=1\n", map[string]string{"k": "1"}, true},
		{"10 a=name\n", map[string]string{"a": "name"}, true},
		{"9 a=name\n", map[string]string{"a": "name"}, true},
		{"30 mtime=1350244992.023960108\n", map[string]string{"mtime": "1350244992.023960108"}, true},
		{"3 somelongkey=\n", nil, false},

        .addEqualityGroup(Functions.forMap(map))
        .addEqualityGroup(Functions.forMap(map, null))
        .addEqualityGroup(Functions.forMap(map, 43))
        .testEquals();
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester
  public void testForMapWithDefault_includeSerializable() {
    Map<String, Integer> map = new HashMap<>();
    map.put("One", 1);
    map.put("Three", 3);

                    if (extractor != null) {
                        try {
                            final Map<String, String> map = new HashMap<>();
                            map.put(ExtractData.RESOURCE_NAME_KEY, filename);
                            buf.append(extractor.getText(new IgnoreCloseInputStream(ais), map).getContent());
                            buf.append('\n');
                            processedEntries++;

    /**
     * Get the environment map.
     * @return The environment map.
     */
    protected Map<String, String> getEnvMap() {
        if (envMap != null) {
            return envMap;
        }
        return System.getenv();
    }

    /**
     * Set the environment map.
     * @param envMap The environment map.
     */
    public void setEnvMap(final Map<String, String> envMap) {

  public void testRowKeyMapHeadMap() {
    sortedTable = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    Map<String, Map<Integer, Character>> map = sortedTable.rowMap().headMap("cat");
    assertEquals(1, map.size());
    assertEquals(ImmutableMap.of(1, 'b'), map.get("bar"));
    map.clear();
    assertTrue(map.isEmpty());
    assertEquals(singleton("foo"), sortedTable.rowKeySet());
  }

  }

  public void testCreateFromMap() {
    /* Test with non-empty Map. */
    Map<Currency, String> map =
        ImmutableMap.of(
            Currency.DOLLAR, "dollar",
            Currency.PESO, "peso",
            Currency.FRANC, "franc");
    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(map);
    assertEquals("dollar", bimap.get(Currency.DOLLAR));