
# The contents of this file are subject to the Mozilla Public License
# (MPL) Version 1.1 (the "License"); you may not use this file except
# in compliance with the License. You may obtain a copy of the License
# at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and
# limitations under the License.
#
# The Original Code is LEPL (http://www.acooke.org/lepl)
# The Initial Developer of the Original Code is Andrew Cooke.
# Portions created by the Initial Developer are Copyright (C) 2009-2010
# Andrew Cooke (andrew@acooke.org). All Rights Reserved.
#
# Alternatively, the contents of this file may be used under the terms
# of the LGPL license (the GNU Lesser General Public License,
# http://www.gnu.org/licenses/lgpl.html), in which case the provisions
# of the LGPL License are applicable instead of those above.
#
# If you wish to allow use of your version of this file only under the
# terms of the LGPL License and not to allow others to use your version
# of this file under the MPL, indicate your decision by deleting the
# provisions above and replace them with the notice and other provisions
# required by the LGPL License.  If you do not delete the provisions
# above, a recipient may use your version of this file under either the
# MPL or the LGPL License.

'''
Depth warning gets to end of string.
'''

from logging import basicConfig, DEBUG
from unittest import TestCase

from lepl import *


class DepthTest(TestCase):
    
    def test_depth(self):
        #basicConfig(level=DEBUG)
        value = Token(Real())
        symbol = Token('[^0-9a-zA-Z \t\r\n]')
        number = value >> float
        add = number & ~symbol('+') & number > sum
        try:
            add.parse('12+30')
            assert False, 'error expected'
        except FullFirstMatchException as e:
            msg = str(e)
            assert '+30' in msg, msg
            assert 'character 3' in msg, msg
