| from pychecker2.TestSupport import WarningTester |
| from pychecker2 import ConditionalChecks |
| |
| class ConditionalTestCase(WarningTester): |
| def testConstants(self): |
| w = ConditionalChecks.ConstantCheck.constantInConditional |
| |
| self.silent('a, b = 1, 2\n' |
| 'if a < b:\n' |
| ' print a\n') |
| self.warning('a = 1\n' |
| 'if a or 1:\n' |
| ' print a\n', 2, w, '1') |
| self.warning('a = 1\n' |
| 'if not 1:\n' |
| ' print a\n', 2, w, '1') |
| self.silent('a, b = 1, 2\n' |
| 'if a < 1 + 7:\n' |
| ' print a\n') |
| self.warning('result = [x for x in [1, 2, 3] if x or 1]\n', |
| 1, w, '1') |
| self.warning('result = [x for x in [1, 2, 3] if x or None]\n', |
| 1, w, 'None') |
| self.warning('x = 1\n' |
| 'while x or None:\n' |
| ' x = x + 1\n', |
| 2, w, 'None') |
