Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / amd64 / lib / python2.4 / test / test_syntax.py

import re
import unittest
import warnings

from test import test_support

class SyntaxTestCase(unittest.TestCase):

   def _check_error(self, code, errtext,
                    filename="<testcase>", mode="exec"):
       """Check that compiling code raises SyntaxError with errtext.

       errtest is a regular expression that must be present in the
       test of the exception raised.
       """
       try:
           compile(code, filename, mode)
       except SyntaxError, err:
           mo = re.search(errtext, str(err))
           if mo is None:
               self.fail("SyntaxError did not contain '%r'" % (errtext,))
       else:
           self.fail("compile() did not raise SyntaxError")

   def test_assign_call(self):
       self._check_error("f() = 1", "assign")

   def test_assign_del(self):
       self._check_error("del f()", "delete")

   def test_global_err_then_warn(self):
       # Bug tickler:  The SyntaxError raised for one global statement
       # shouldn't be clobbered by a SyntaxWarning issued for a later one.
       source = re.sub('(?m)^ *:', '', """\
           :def error(a):
           :    global a  # SyntaxError
           :def warning():
           :    b = 1
           :    global b  # SyntaxWarning
           :""")
       warnings.filterwarnings(action='ignore', category=SyntaxWarning)
       self._check_error(source, "global")
       warnings.filters.pop(0)

def test_main():
   test_support.run_unittest(SyntaxTestCase)

if __name__ == "__main__":
   test_main()