.F.E.....EE...F.

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

ERROR: testExpand (tester.ProblemTests)

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Traceback (most recent call last):

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

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

TypeError: expand() got an unexpected keyword argument 'right'



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

ERROR: testLeftRight (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 57, in testLeftRight

    self.assertEqual(-5.0, i.left())

  File ".../fn43565/2007-04-04 14:07:47/user.py", line 109, in left

    if (leftOpen):

NameError: global name 'leftOpen' is not defined



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

ERROR: testLen (tester.ProblemTests)

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Traceback (most recent call last):

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

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

TypeError: object of type 'Interval' has no len()



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

FAIL: testContains (tester.ProblemTests)

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Traceback (most recent call last):

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

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

AssertionError



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

FAIL: testSum (tester.ProblemTests)

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Traceback (most recent call last):

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

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

AssertionError: Interval(None, None) != Interval(None, 11)



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

Ran 16 tests in 0.008s



FAILED (failures=2, errors=3)