...F..EE..FF..F.

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

ERROR: testIntersect (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 68, in testIntersect

    self.assertEqual(Interval(6, 11), Interval(None, 11).intersect(Interval(6, 12)))

  File ".../fn43550/2007-04-04 18:51:13/user.py", line 90, in intersect

    if a!=None and b!=None and a>b:

UnboundLocalError: local variable 'b' referenced before assignment



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

ERROR: testIntersects (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 75, in testIntersects

    self.assertFalse(Interval(None, -33).intersects(Interval(-32, 4)))

  File ".../fn43550/2007-04-04 18:51:13/user.py", line 68, in intersects

    if a!=None and b!=None and a>b:

UnboundLocalError: local variable 'b' referenced before assignment



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

FAIL: 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))

AssertionError: Interval(-3.0, 10.0) != None



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

FAIL: testLen (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 99, in testLen

    self.assertEqual(7, len(Interval(-2, 4.1)))

AssertionError: 7 != 6



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

FAIL: testOpen (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 53, in testOpen

    self.assertTrue(i.open())

AssertionError



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

FAIL: testSum (tester.ProblemTests)

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Traceback (most recent call last):

  File ".../test.py", line 105, in testSum

    self.assertRaises(ValueError, Interval.__add__, Interval(7, 99), Interval(101, 200))

AssertionError: ValueError not raised



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

Ran 16 tests in 0.006s



FAILED (failures=4, errors=2)