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