diff options
Diffstat (limited to 'tests/basics')
-rw-r--r-- | tests/basics/int_big_to_small.py | 22 | ||||
-rw-r--r-- | tests/basics/int_big_to_small.py.exp | 25 |
2 files changed, 47 insertions, 0 deletions
diff --git a/tests/basics/int_big_to_small.py b/tests/basics/int_big_to_small.py new file mode 100644 index 000000000..64280d0c6 --- /dev/null +++ b/tests/basics/int_big_to_small.py @@ -0,0 +1,22 @@ +try: + import micropython + micropython.heap_lock +except: + print("SKIP") + raise SystemExit + +# All less than small int max. +for d in (0, 27, 1<<29, -1861, -(1<<29)): + i = 1<<70 + print(i) + j = (1<<70) + d + print(j) + # k should now be a small int. + k = j - i + print(k) + + # Now verify that working with k doesn't allocate (i.e. it's a small int). + micropython.heap_lock() + print(k + 20) + print(k // 20) + micropython.heap_unlock() diff --git a/tests/basics/int_big_to_small.py.exp b/tests/basics/int_big_to_small.py.exp new file mode 100644 index 000000000..1d4986e04 --- /dev/null +++ b/tests/basics/int_big_to_small.py.exp @@ -0,0 +1,25 @@ +1180591620717411303424 +1180591620717411303424 +0 +20 +0 +1180591620717411303424 +1180591620717411303451 +27 +47 +1 +1180591620717411303424 +1180591620717948174336 +536870912 +536870932 +26843545 +1180591620717411303424 +1180591620717411301563 +-1861 +-1841 +-94 +1180591620717411303424 +1180591620716874432512 +-536870912 +-536870892 +-26843546 |