the TestBase.  Modified TestArrayTypes.py to use the assert messages.  Other
files to follow.

llvm-svn: 110611

llvm-svn: 110497

  backported to Python 2.3+.  Some of the features desired include better
  verbose reporting in unittest2.TextTestRunner and decorator support for
  skipping tests and expected failures.

  http://pypi.python.org/pypi/unittest2

o Modified the existing .py tests to use unittest2 and decorated
  TestSTL.test_step_into_stl(), which is known to always fail currently, with
  @unittest2.expectedFailure.

llvm-svn: 110397

because unittest.main() calls sys.exit() before returning.  Fixed by registering
an exit handler for this situation.

llvm-svn: 110379

lldbtest.TestBase.

Also removed some debug prints.

llvm-svn: 107575

module lldbtest.py and refactored the existing test cases to derive from the
abstract base class lldbtest.TestBase.

MOdified the test driver (dotest.py and dotest.pl) to set up additional
PYTHONPATH component for locating the lldbtest module, which sits in the same
directory.

llvm-svn: 107563