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from test_support import verify
import pprint
# Verify that .isrecursive() and .isreadable() work.
a = range(100)
b = range(200)
a[-12] = b
for safe in 2, 2.0, 2j, "abc", [3], (2,2), {3: 3}, u"yaddayadda", a, b:
verify(pprint.isrecursive(safe) == 0, "expected isrecursive == 0")
verify(pprint.isreadable(safe) == 1, "expected isreadable == 1")
# Tie a knot.
b[67] = a
# Messy dict.
d = {}
d[0] = d[1] = d[2] = d
for icky in a, b, d, (d, d):
verify(pprint.isrecursive(icky) == 1, "expected isrecursive == 1")
verify(pprint.isreadable(icky) == 0, "expected isreadable == 0")
# Break the cycles.
d.clear()
del a[:]
del b[:]
for safe in a, b, d, (d, d):
verify(pprint.isrecursive(safe) == 0, "expected isrecursive == 0")
verify(pprint.isreadable(safe) == 1, "expected isreadable == 1")
# Not recursive but not readable anyway.
for unreadable in type(3), pprint, pprint.isrecursive:
verify(pprint.isrecursive(unreadable) == 0, "expected isrecursive == 0")
verify(pprint.isreadable(unreadable) ==0, "expected isreadable == 0")
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