import pytest

from pyparsing.exceptions import ParseException
from xbc import loads_xbc, ParseError

# this should fail but does not.
@pytest.mark.xfail
def test_whitespace_vc():
	with pytest.raises(ParseError):
		loads_xbc('x = a\n, b')

# this should fail but does not.
@pytest.mark.xfail
def test_extra_quote():
	with pytest.raises(ParseException):
		loads_xbc("x = '''")

def test_lone_plus():
	with pytest.raises(ParseException):
		loads_xbc('+')

def test_lone_rbrace():
	with pytest.raises(ParseException):
		loads_xbc('}')

def test_lone_lbrace():
	with pytest.raises(ParseException):
		loads_xbc('{')

def test_lone_braces():
	with pytest.raises(ParseException):
		loads_xbc('{}')

def test_lone_semi():
	with pytest.raises(ParseException):
		loads_xbc(';')

def test_empty():
	with pytest.raises(ParseException):
		loads_xbc('\n')
	with pytest.raises(ParseException):
		loads_xbc('')