| Guido van Rossum | 4358b2c | 2000-06-30 16:13:37 +0000 | [diff] [blame] | 1 | # test the invariant that |
| 2 | # iff a==b then hash(a)==hash(b) |
| 3 | # |
| 4 | |
| 5 | import test_support |
| 6 | |
| 7 | |
| 8 | def same_hash(*objlist): |
| 9 | # hash each object given an raise TestFailed if |
| 10 | # the hash values are not all the same |
| 11 | hashed = map(hash, objlist) |
| 12 | for h in hashed[1:]: |
| 13 | if h != hashed[0]: |
| 14 | raise TestFailed, "hashed values differ: %s" % `objlist` |
| 15 | |
| 16 | |
| 17 | |
| 18 | same_hash(1, 1L, 1.0, 1.0+0.0j) |
| 19 | same_hash(int(1), long(1), float(1), complex(1)) |
| 20 | |
| 21 | same_hash(long(1.23e300), float(1.23e300)) |
| 22 | |
| 23 | same_hash(float(0.5), complex(0.5, 0.0)) |
| 24 | |
| 25 | |
| 26 | |