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Improved test set for int() and long() string conversions.

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This commit is contained in:
Guido van Rossum 1998-06-30 17:02:20 +00:00
parent 7e0e9555b7
commit 7011504e27
1 changed files with 59 additions and 0 deletions
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59
Lib/test/test_b1.py
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@ -235,6 +235,46 @@ def f(): pass
if int(-3.9) <> -3: raise TestFailed, 'int(-3.9)'
if int(3.5) <> 3: raise TestFailed, 'int(3.5)'
if int(-3.5) <> -3: raise TestFailed, 'int(-3.5)'
# Test conversion fron strings and various anomalies
L = [
('0', 0),
('1', 1),
('9', 9),
('10', 10),
('99', 99),
('100', 100),
('314', 314),
(' 314', 314),
('314 ', 314),
(' \t\t 314 \t\t ', 314),
(`sys.maxint`, sys.maxint),
('', ValueError),
(' ', ValueError),
(' \t\t ', ValueError),
]
for s, v in L:
for sign in "", "+", "-":
for prefix in "", " ", "\t", " \t\t ":
ss = prefix + sign + s
vv = v
if sign == "-" and v is not ValueError:
vv = -v
try:
if int(ss) != vv:
raise TestFailed, "int(%s)" % `ss`
except v:
pass
except ValueError, e:
raise TestFailed, "int(%s) raised ValueError: %s" % (`ss`, e)
s = `-1-sys.maxint`
if int(s)+1 != -sys.maxint:
raise TestFailed, "int(%s)" % `s`
try:
int(s[1:])
except ValueError:
pass
else:
raise TestFailed, "int(%s)" % `s[1:]` + " should raise ValueError"
print 'isinstance'
class C:
@ -290,6 +330,25 @@ class E:
if long(-3.9) <> -3L: raise TestFailed, 'long(-3.9)'
if long(3.5) <> 3L: raise TestFailed, 'long(3.5)'
if long(-3.5) <> -3L: raise TestFailed, 'long(-3.5)'
# Check conversions from string (same test set as for int(), and then some)
LL = [
('1' + '0'*20, 10L**20),
('1' + '0'*100, 10L**100),
]
for s, v in L + LL:
for sign in "", "+", "-":
for prefix in "", " ", "\t", " \t\t ":
ss = prefix + sign + s
vv = v
if sign == "-" and v is not ValueError:
vv = -v
try:
if long(ss) != long(vv):
raise TestFailed, "int(%s)" % `ss`
except v:
pass
except ValueError, e:
raise TestFailed, "int(%s) raised ValueError: %s" % (`ss`, e)
print 'map'
if map(None, 'hello world') <> ['h','e','l','l','o',' ','w','o','r','l','d']: