lv_micropython/tests/basics/int_big_to_small.py

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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()