old_contents: from __future__ import unicode_literals
  import pytest
  from httoop.exceptions import InvalidHeader
  
  LATIN_CHARS = bytes(bytearray(range(0x80, 0xff + 1)))
  INVALID_HEADER_FIELD_NAMES = bytes(bytearray(range(0x00, 0x1F + 1))) + b"()<>@,;\\\\\"/\\[\\]?={} \t"
  
  
  @pytest.mark.parametrize('invalid', INVALID_HEADER_FIELD_NAMES + LATIN_CHARS)
  def test_parse_invalid_characters(invalid, request_):
  	with pytest.raises(InvalidHeader):
  		invalid = b'foo%sbaz: blub' % (invalid,)
  		request_.headers.parse(invalid)
  
  
  def test_set_header_with_colon(request_):
  	with pytest.raises(InvalidHeader):
  		request_.headers['foo:bar'] = 'baz'
  
  
  #@pytest.mark.skip()
  #def test_set_invalid_characters(request_):
  #	for invalid in INVALID_HEADER_FIELD_NAMES:
  #		name = b'foo%sbar' % (invalid,)
  #		request_.headers[name] = 'baz'
  #		assert name not in request_.headers
  #	for invalid in LATIN_CHARS:
  #		with pytest.raises(InvalidHeader):
  #			name = b'foo%sbar' % (invalid,)
  #			request_.headers[name] = 'baz'
  
  
  @pytest.mark.parametrize('name', ('Content-Encoding', 'Transfer-Encoding'))
  def test_invalid_codec(name, headers):
  	headers.parse(b'%s: foo' % (name,))
  	with pytest.raises(InvalidHeader):
  		headers.elements(name)
  
  
  def test_unknown_codec(headers):
  	headers.parse(b'Content-Type: foo/bar')
  	assert headers.elements('Content-Type')[0].codec is None
  
new_contents: from __future__ import unicode_literals
  import pytest
  from httoop.exceptions import InvalidHeader
  
  LATIN_CHARS = bytes(bytearray(range(0x80, 0xff + 1)))
  INVALID_HEADER_FIELD_NAMES = bytes(bytearray(range(0x00, 0x1F + 1))) + b"()<>@,;\\\\\"/\\[\\]?={} \t"
  
  
  @pytest.mark.parametrize('invalid', INVALID_HEADER_FIELD_NAMES + LATIN_CHARS)
  def test_parse_invalid_characters(invalid, request_):
  	with pytest.raises(InvalidHeader):
  		invalid = b'foo%sbaz: blub' % (invalid,)
  		request_.headers.parse(invalid)
  
  
  def test_set_header_with_colon(request_):
  	with pytest.raises(InvalidHeader):
  		request_.headers['foo:bar'] = 'baz'
  
  
  #@pytest.mark.skip()
  #def test_set_invalid_characters(request_):
  #	for invalid in INVALID_HEADER_FIELD_NAMES:
  #		name = b'foo%sbar' % (invalid,)
  #		request_.headers[name] = 'baz'
  #		assert name not in request_.headers
  #	for invalid in LATIN_CHARS:
  #		with pytest.raises(InvalidHeader):
  #			name = b'foo%sbar' % (invalid,)
  #			request_.headers[name] = 'baz'
  
  
  @pytest.mark.parametrize('name', (b'Content-Encoding', b'Transfer-Encoding'))
  def test_invalid_codec(name, headers):
  	headers.parse(b'%s: foo' % (name,))
  	with pytest.raises(InvalidHeader):
  		headers.elements(name)
  
  
  def test_unknown_codec(headers):
  	headers.parse(b'Content-Type: foo/bar')
  	assert headers.elements('Content-Type')[0].codec is None
  
subject: Fix test case