cpython/Lib/test/test_random.py

20 lines
550 B
Python

import test_support
import random
# Ensure that the seed() method initializes all the hidden state. In
# particular, through 2.2.1 it failed to reset a piece of state used by
# (and only by) the .gauss() method.
for seed in 1, 12, 123, 1234, 12345, 123456, 654321:
for seeder in random.seed, random.whseed:
seeder(seed)
x1 = random.random()
y1 = random.gauss(0, 1)
seeder(seed)
x2 = random.random()
y2 = random.gauss(0, 1)
test_support.vereq(x1, x2)
test_support.vereq(y1, y2)