FF.E...E..E.E.E.

======================================================================

ERROR: testExpand (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 62, in testExpand

    self.assertEqual(Interval(-3, 10), i.expand(right=-1))

  File "unittest.py", line 332, in failUnlessEqual

    if not first == second:

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 77, in __eq__

    return self.left_val==other.left_val and self.right_val==other.right_val

AttributeError: 'NoneType' object has no attribute 'left_val'



======================================================================

ERROR: testIntersects (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 73, in testIntersects

    self.assertTrue(Interval(2, 3).intersects(Interval(3, 4)))

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 64, in intersects

    if z==None:

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 77, in __eq__

    return self.left_val==other.left_val and self.right_val==other.right_val

AttributeError: 'NoneType' object has no attribute 'left_val'



======================================================================

ERROR: testLen (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 95, in testLen

    self.assertEqual(5, len(Interval(0, 5)))

AttributeError: Interval instance has no attribute '__len__'



======================================================================

ERROR: testRepr (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 25, in testRepr

    self.assertEqual(i, eval(repr(i)))

  File "<string>", line 1

    <__builtin__.Interval instance at 0xb7c92dac>

    ^

SyntaxError: invalid syntax



======================================================================

ERROR: testSum (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 102, in testSum

    self.assertEqual(Interval(None, None), Interval(None, 11) + Interval(10, None))

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 114, in __add__

    if self.intersects(other):

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 64, in intersects

    if z==None:

  File ".../fn43860/2007-04-04 15:28:55/user.py", line 77, in __eq__

    return self.left_val==other.left_val and self.right_val==other.right_val

AttributeError: 'NoneType' object has no attribute 'left_val'



======================================================================

FAIL: testCmp (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 108, in testCmp

    self.assertFalse(Interval(1, 2) <= Interval(0.5, 1.5))

AssertionError



======================================================================

FAIL: testContains (tester.ProblemTests)

----------------------------------------------------------------------

Traceback (most recent call last):

  File ".../test.py", line 85, in testContains

    self.assertFalse(Interval(None, -8).contains(Interval(-8, None)))

AssertionError



----------------------------------------------------------------------

Ran 16 tests in 0.005s



FAILED (failures=2, errors=5)