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* Migrate sample distribution test from random.py to test_random.py.

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* Use Sets module to more clearly articulate a couple of tests.
This commit is contained in:
Raymond Hettinger 2003-01-17 17:23:23 +00:00
parent ee1bded046
commit 7b0cf76b72
2 changed files with 22 additions and 10 deletions
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5
Lib/random.py
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@ -743,9 +743,6 @@ def _test_generator(n, funccall):
print 'avg %g, stddev %g, min %g, max %g' % \
(avg, stddev, smallest, largest)
def _sample_generator(n, k):
# Return a fixed element from the sample. Validates random ordering.
return sample(xrange(n), k)[k//2]
def _test(N=2000):
_test_generator(N, 'random()')
@ -764,8 +761,6 @@ def _test(N=2000):
_test_generator(N, 'gammavariate(200.0, 1.0)')
_test_generator(N, 'gauss(0.0, 1.0)')
_test_generator(N, 'betavariate(3.0, 3.0)')
_test_generator(N, '_sample_generator(50, 5)') # expected s.d.: 14.4
_test_generator(N, '_sample_generator(50, 45)') # expected s.d.: 14.4
# Create one instance, seeded from current time, and export its methods
# as module-level functions. The functions share state across all uses