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Added test for {}.popitem().

This commit is contained in:
Guido van Rossum 2000-12-12 22:02:59 +00:00
parent ba6ab84e73
commit b822c6138e
1 changed files with 24 additions and 0 deletions
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24
Lib/test/test_types.py
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@ -265,3 +265,27 @@ if d['key'][0] <> 3:
d.setdefault('key', []).append(4)
if len(d['key']) <> 2:
raise TestFailed, 'present {} setdefault, w/ 2nd arg'
# dict.popitem()
for copymode in -1, +1:
# -1: b has same structure as a
# +1: b is a.copy()
for log2size in range(12):
size = 2**log2size
a = {}
b = {}
for i in range(size):
a[`i`] = i
if copymode < 0:
b[`i`] = i
if copymode > 0:
b = a.copy()
for i in range(size):
ka, va = ta = a.popitem()
if va != int(ka): raise TestFailed, "a.popitem: %s" % str(ta)
kb, vb = tb = b.popitem()
if vb != int(kb): raise TestFailed, "b.popitem: %s" % str(tb)
if copymode < 0 and ta != tb:
raise TestFailed, "a.popitem != b.popitem: %s, %s" % (
str(ta), str(tb))
if a: raise TestFailed, 'a not empty after popitems: %s' % str(a)
if b: raise TestFailed, 'b not empty after popitems: %s' % str(b)