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Diffstat (limited to 'tests/basics/int_big_mul.py')
| -rw-r--r-- | tests/basics/int_big_mul.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/basics/int_big_mul.py b/tests/basics/int_big_mul.py index f8d3dcd800..6010075c4e 100644 --- a/tests/basics/int_big_mul.py +++ b/tests/basics/int_big_mul.py @@ -6,3 +6,18 @@ for rhs in range(2, 11): print(lhs, '*', rhs, '=', res) lhs = res +# below tests pos/neg combinations that overflow small int + +# 31-bit overflow +i = 1 << 20 +print(i * i) +print(i * -i) +print(-i * i) +print(-i * -i) + +# 63-bit overflow +i = 1 << 40 +print(i * i) +print(i * -i) +print(-i * i) +print(-i * -i) |