| 1 | import math.big |
| 2 | import crypto.rand |
| 3 | |
| 4 | fn test_int_big() { |
| 5 | z := big.integer_from_int(0) |
| 6 | if _ := rand.int_big(z) { |
| 7 | assert false |
| 8 | } else { |
| 9 | assert true |
| 10 | } |
| 11 | |
| 12 | n := big.integer_from_int(-1) |
| 13 | if _ := rand.int_big(n) { |
| 14 | assert false |
| 15 | } else { |
| 16 | assert true |
| 17 | } |
| 18 | |
| 19 | m := big.integer_from_int(1).left_shift(128) |
| 20 | l := rand.int_big(m)! // actual large number |
| 21 | assert l < m |
| 22 | assert l > n |
| 23 | } |
| 24 |