80 lines
1.5 KiB
Python
80 lines
1.5 KiB
Python
try:
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import urandom as random
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except ImportError:
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try:
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import random
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except ImportError:
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print("SKIP")
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raise SystemExit
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try:
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random.randint
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except AttributeError:
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print('SKIP')
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raise SystemExit
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print('randrange')
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for i in range(50):
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assert 0 <= random.randrange(4) < 4
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assert 2 <= random.randrange(2, 6) < 6
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assert -2 <= random.randrange(-2, 2) < 2
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assert random.randrange(1, 9, 2) in (1, 3, 5, 7)
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assert random.randrange(2, 1, -1) in (1, 2)
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# empty range
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try:
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random.randrange(0)
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except ValueError:
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print('ValueError')
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# empty range
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try:
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random.randrange(2, 1)
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except ValueError:
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print('ValueError')
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# zero step
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try:
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random.randrange(2, 1, 0)
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except ValueError:
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print('ValueError')
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# empty range
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try:
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random.randrange(2, 1, 1)
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except ValueError:
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print('ValueError')
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print('randint')
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for i in range(50):
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assert 0 <= random.randint(0, 4) <= 4
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assert 2 <= random.randint(2, 6) <= 6
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assert -2 <= random.randint(-2, 2) <= 2
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# empty range
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try:
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random.randint(2, 1)
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except ValueError:
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print('ValueError')
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print('choice')
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lst = [1, 2, 5, 6]
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for i in range(50):
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assert random.choice(lst) in lst
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# empty sequence
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try:
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random.choice([])
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except IndexError:
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print('IndexError')
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print('random')
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for i in range(50):
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assert 0 <= random.random() < 1
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print('uniform')
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for i in range(50):
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assert 0 <= random.uniform(0, 4) <= 4
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assert 2 <= random.uniform(2, 6) <= 6
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assert -2 <= random.uniform(-2, 2) <= 2
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