| # $Id: test_intnum.py,v 1.1.1.1 2012/03/29 17:20:58 uid42307 Exp $ |
| from tests import TestCase, add |
| from yasm import IntNum |
| |
| class TIntNum(TestCase): |
| legal_values = [ |
| 0, 1, -1, 2, -2, 17, -17, |
| 2**31-1, -2**31, 2**31, 2**32-1, -2**32, |
| 2**63-1, -2**63-1, 2**63, 2**64, -2**64, |
| 2**127-1, -2**127 |
| ] |
| overflow_values = [ |
| 2**127, -2**127-1 |
| ] |
| |
| def test_to_from(self): |
| for i in self.legal_values: |
| self.assertEquals(i, int(IntNum(i))) |
| self.assertEquals(i, long(IntNum(i))) |
| |
| def test_overflow(self): |
| for i in self.overflow_values: |
| self.assertRaises(OverflowError, IntNum, i) |
| |
| str_values = [ |
| "0", "00000", "1234", "87654321", "010101010", "FADCBEEF" |
| ] |
| base_values = [2, 8, 10, 12, 16, None, "nasm", "foo"] |
| |
| def test_from_str(self): |
| pass |
| |
| def test_from_str_base(self): |
| pass |
| |
| def test_exceptions(self): |
| self.assertRaises(ZeroDivisionError, IntNum(1).__div__, 0) |
| |
| IntNum(1) / 1 # make sure the above error is cleared |
| |
| try: IntNum(1) / 0 |
| except ZeroDivisionError, err: |
| self.assertEquals('divide by zero', str(err)) |
| |
| def test_xor(self): |
| a = IntNum(-234) |
| b = IntNum(432) |
| c = a ^ b |
| self.assertEquals(a, -234) |
| self.assertEquals(b, 432) |
| self.assertEquals(c, -234 ^ 432) |
| |
| def test_ixor(self): |
| a = IntNum(-234) |
| b = IntNum(432) |
| a ^= b; b ^= a; a ^= b |
| self.assertEquals(a, 432) |
| self.assertEquals(b, -234) |
| |
| def test_cmp(self): |
| a = IntNum(-1) |
| b = IntNum(0) |
| c = IntNum(1) |
| self.assert_(a < b < c) |
| self.assert_(a <= b <= c) |
| self.assert_(c >= b >= a) |
| self.assert_(c > b > a) |
| self.assert_(a != b != c) |
| |
| def test_abs(self): |
| a = IntNum(-1) |
| b = IntNum(0) |
| c = IntNum(1) |
| |
| self.assertEquals(abs(a), abs(c)) |
| self.assertEquals(abs(a) - abs(c), abs(b)) |
| |
| add(TIntNum) |
