File: builtin_hash_intbig.py

package info (click to toggle)
micropython 1.25.0%2Bds-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 48,944 kB
  • sloc: ansic: 317,850; python: 59,539; xml: 4,241; makefile: 3,530; sh: 1,421; javascript: 744; asm: 681; cpp: 45; exp: 11; pascal: 6
file content (13 lines) | stat: -rw-r--r-- 419 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
# test builtin hash function

print({1 << 66:1}) # hash big int
print({-(1 << 66):2}) # hash negative big int

# __hash__ returning a large number should be truncated
class F:
    def __hash__(self):
        return 1 << 70 | 1
print(hash(F()) != 0)

# this had a particular error with internal integer arithmetic of hash function
print(hash(6699999999999999999999999999999999999999999999999999999999999999999999) != 0)