| """Test compiler changes for unary ops (+, -, ~) introduced in Python 2.2""" |
| |
| import unittest |
| from test_support import run_unittest |
| |
| class UnaryOpTestCase(unittest.TestCase): |
| |
| def test_negative(self): |
| self.assert_(-2 == 0 - 2) |
| self.assert_(-0 == 0) |
| self.assert_(--2 == 2) |
| self.assert_(-2L == 0 - 2L) |
| self.assert_(-2.0 == 0 - 2.0) |
| self.assert_(-2j == 0 - 2j) |
| |
| def test_positive(self): |
| self.assert_(+2 == 2) |
| self.assert_(+0 == 0) |
| self.assert_(++2 == 2) |
| self.assert_(+2L == 2L) |
| self.assert_(+2.0 == 2.0) |
| self.assert_(+2j == 2j) |
| |
| def test_invert(self): |
| self.assert_(-2 == 0 - 2) |
| self.assert_(-0 == 0) |
| self.assert_(--2 == 2) |
| self.assert_(-2L == 0 - 2L) |
| |
| def test_overflow(self): |
| self.assertRaises(OverflowError, eval, "+" + ("9" * 32)) |
| self.assertRaises(OverflowError, eval, "-" + ("9" * 32)) |
| self.assertRaises(OverflowError, eval, "~" + ("9" * 32)) |
| |
| def test_bad_types(self): |
| for op in '+', '-', '~': |
| self.assertRaises(TypeError, eval, op + "'a'") |
| self.assertRaises(TypeError, eval, op + "u'a'") |
| |
| self.assertRaises(TypeError, eval, "~2j") |
| self.assertRaises(TypeError, eval, "~2.0") |
| |
| run_unittest(UnaryOpTestCase) |