269 lines
13 KiB
Python
269 lines
13 KiB
Python
from test.support import verbose, TestFailed
|
|
import sys
|
|
import test.support as support
|
|
import unittest
|
|
|
|
maxsize = support.MAX_Py_ssize_t
|
|
|
|
# test string formatting operator (I am not sure if this is being tested
|
|
# elsewhere but, surely, some of the given cases are *not* tested because
|
|
# they crash python)
|
|
# test on unicode strings as well
|
|
|
|
overflowok = 1
|
|
|
|
def testformat(formatstr, args, output=None, limit=None):
|
|
if verbose:
|
|
if output:
|
|
print("%r %% %r =? %r ..." %\
|
|
(formatstr, args, output), end=' ')
|
|
else:
|
|
print("%r %% %r works? ..." % (formatstr, args), end=' ')
|
|
try:
|
|
result = formatstr % args
|
|
except OverflowError:
|
|
if not overflowok:
|
|
raise
|
|
if verbose:
|
|
print('overflow (this is fine)')
|
|
else:
|
|
if output and limit is None and result != output:
|
|
if verbose:
|
|
print('no')
|
|
raise AssertionError("%r %% %r == %r != %r" %
|
|
(formatstr, args, result, output))
|
|
# when 'limit' is specified, it determines how many characters
|
|
# must match exactly; lengths must always match.
|
|
# ex: limit=5, '12345678' matches '12345___'
|
|
# (mainly for floating point format tests for which an exact match
|
|
# can't be guaranteed due to rounding and representation errors)
|
|
elif output and limit is not None and (
|
|
len(result)!=len(output) or result[:limit]!=output[:limit]):
|
|
if verbose:
|
|
print('no')
|
|
print("%s %% %s == %s != %s" % \
|
|
(repr(formatstr), repr(args), repr(result), repr(output)))
|
|
else:
|
|
if verbose:
|
|
print('yes')
|
|
|
|
|
|
class FormatTest(unittest.TestCase):
|
|
def test_format(self):
|
|
global overflowok
|
|
|
|
testformat("%.1d", (1,), "1")
|
|
testformat("%.*d", (sys.maxsize,1)) # expect overflow
|
|
testformat("%.100d", (1,), '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
|
|
testformat("%#.117x", (1,), '0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
|
|
testformat("%#.118x", (1,), '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
|
|
|
|
testformat("%f", (1.0,), "1.000000")
|
|
# these are trying to test the limits of the internal magic-number-length
|
|
# formatting buffer, if that number changes then these tests are less
|
|
# effective
|
|
testformat("%#.*g", (109, -1.e+49/3.))
|
|
testformat("%#.*g", (110, -1.e+49/3.))
|
|
testformat("%#.*g", (110, -1.e+100/3.))
|
|
# test some ridiculously large precision, expect overflow
|
|
testformat('%12.*f', (123456, 1.0))
|
|
|
|
# check for internal overflow validation on length of precision
|
|
# these tests should no longer cause overflow in Python
|
|
# 2.7/3.1 and later.
|
|
testformat("%#.*g", (110, -1.e+100/3.))
|
|
testformat("%#.*G", (110, -1.e+100/3.))
|
|
testformat("%#.*f", (110, -1.e+100/3.))
|
|
testformat("%#.*F", (110, -1.e+100/3.))
|
|
# Formatting of integers. Overflow is not ok
|
|
overflowok = 0
|
|
testformat("%x", 10, "a")
|
|
testformat("%x", 100000000000, "174876e800")
|
|
testformat("%o", 10, "12")
|
|
testformat("%o", 100000000000, "1351035564000")
|
|
testformat("%d", 10, "10")
|
|
testformat("%d", 100000000000, "100000000000")
|
|
big = 123456789012345678901234567890
|
|
testformat("%d", big, "123456789012345678901234567890")
|
|
testformat("%d", -big, "-123456789012345678901234567890")
|
|
testformat("%5d", -big, "-123456789012345678901234567890")
|
|
testformat("%31d", -big, "-123456789012345678901234567890")
|
|
testformat("%32d", -big, " -123456789012345678901234567890")
|
|
testformat("%-32d", -big, "-123456789012345678901234567890 ")
|
|
testformat("%032d", -big, "-0123456789012345678901234567890")
|
|
testformat("%-032d", -big, "-123456789012345678901234567890 ")
|
|
testformat("%034d", -big, "-000123456789012345678901234567890")
|
|
testformat("%034d", big, "0000123456789012345678901234567890")
|
|
testformat("%0+34d", big, "+000123456789012345678901234567890")
|
|
testformat("%+34d", big, " +123456789012345678901234567890")
|
|
testformat("%34d", big, " 123456789012345678901234567890")
|
|
testformat("%.2d", big, "123456789012345678901234567890")
|
|
testformat("%.30d", big, "123456789012345678901234567890")
|
|
testformat("%.31d", big, "0123456789012345678901234567890")
|
|
testformat("%32.31d", big, " 0123456789012345678901234567890")
|
|
testformat("%d", float(big), "123456________________________", 6)
|
|
big = 0x1234567890abcdef12345 # 21 hex digits
|
|
testformat("%x", big, "1234567890abcdef12345")
|
|
testformat("%x", -big, "-1234567890abcdef12345")
|
|
testformat("%5x", -big, "-1234567890abcdef12345")
|
|
testformat("%22x", -big, "-1234567890abcdef12345")
|
|
testformat("%23x", -big, " -1234567890abcdef12345")
|
|
testformat("%-23x", -big, "-1234567890abcdef12345 ")
|
|
testformat("%023x", -big, "-01234567890abcdef12345")
|
|
testformat("%-023x", -big, "-1234567890abcdef12345 ")
|
|
testformat("%025x", -big, "-0001234567890abcdef12345")
|
|
testformat("%025x", big, "00001234567890abcdef12345")
|
|
testformat("%0+25x", big, "+0001234567890abcdef12345")
|
|
testformat("%+25x", big, " +1234567890abcdef12345")
|
|
testformat("%25x", big, " 1234567890abcdef12345")
|
|
testformat("%.2x", big, "1234567890abcdef12345")
|
|
testformat("%.21x", big, "1234567890abcdef12345")
|
|
testformat("%.22x", big, "01234567890abcdef12345")
|
|
testformat("%23.22x", big, " 01234567890abcdef12345")
|
|
testformat("%-23.22x", big, "01234567890abcdef12345 ")
|
|
testformat("%X", big, "1234567890ABCDEF12345")
|
|
testformat("%#X", big, "0X1234567890ABCDEF12345")
|
|
testformat("%#x", big, "0x1234567890abcdef12345")
|
|
testformat("%#x", -big, "-0x1234567890abcdef12345")
|
|
testformat("%#.23x", -big, "-0x001234567890abcdef12345")
|
|
testformat("%#+.23x", big, "+0x001234567890abcdef12345")
|
|
testformat("%# .23x", big, " 0x001234567890abcdef12345")
|
|
testformat("%#+.23X", big, "+0X001234567890ABCDEF12345")
|
|
testformat("%#-+.23X", big, "+0X001234567890ABCDEF12345")
|
|
testformat("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
|
|
testformat("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
|
|
testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
|
|
# next one gets two leading zeroes from precision, and another from the
|
|
# 0 flag and the width
|
|
testformat("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
|
|
# same, except no 0 flag
|
|
testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
|
|
testformat("%x", float(big), "123456_______________", 6)
|
|
big = 0o12345670123456701234567012345670 # 32 octal digits
|
|
testformat("%o", big, "12345670123456701234567012345670")
|
|
testformat("%o", -big, "-12345670123456701234567012345670")
|
|
testformat("%5o", -big, "-12345670123456701234567012345670")
|
|
testformat("%33o", -big, "-12345670123456701234567012345670")
|
|
testformat("%34o", -big, " -12345670123456701234567012345670")
|
|
testformat("%-34o", -big, "-12345670123456701234567012345670 ")
|
|
testformat("%034o", -big, "-012345670123456701234567012345670")
|
|
testformat("%-034o", -big, "-12345670123456701234567012345670 ")
|
|
testformat("%036o", -big, "-00012345670123456701234567012345670")
|
|
testformat("%036o", big, "000012345670123456701234567012345670")
|
|
testformat("%0+36o", big, "+00012345670123456701234567012345670")
|
|
testformat("%+36o", big, " +12345670123456701234567012345670")
|
|
testformat("%36o", big, " 12345670123456701234567012345670")
|
|
testformat("%.2o", big, "12345670123456701234567012345670")
|
|
testformat("%.32o", big, "12345670123456701234567012345670")
|
|
testformat("%.33o", big, "012345670123456701234567012345670")
|
|
testformat("%34.33o", big, " 012345670123456701234567012345670")
|
|
testformat("%-34.33o", big, "012345670123456701234567012345670 ")
|
|
testformat("%o", big, "12345670123456701234567012345670")
|
|
testformat("%#o", big, "0o12345670123456701234567012345670")
|
|
testformat("%#o", -big, "-0o12345670123456701234567012345670")
|
|
testformat("%#.34o", -big, "-0o0012345670123456701234567012345670")
|
|
testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
|
|
testformat("%# .34o", big, " 0o0012345670123456701234567012345670")
|
|
testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
|
|
testformat("%#-+.34o", big, "+0o0012345670123456701234567012345670")
|
|
testformat("%#-+37.34o", big, "+0o0012345670123456701234567012345670")
|
|
testformat("%#+37.34o", big, "+0o0012345670123456701234567012345670")
|
|
# next one gets one leading zero from precision
|
|
testformat("%.33o", big, "012345670123456701234567012345670")
|
|
# base marker shouldn't change that, since "0" is redundant
|
|
testformat("%#.33o", big, "0o012345670123456701234567012345670")
|
|
# but reduce precision, and base marker should add a zero
|
|
testformat("%#.32o", big, "0o12345670123456701234567012345670")
|
|
# one leading zero from precision, and another from "0" flag & width
|
|
testformat("%034.33o", big, "0012345670123456701234567012345670")
|
|
# base marker shouldn't change that
|
|
testformat("%0#34.33o", big, "0o012345670123456701234567012345670")
|
|
testformat("%o", float(big), "123456__________________________", 6)
|
|
# Some small ints, in both Python int and flavors).
|
|
testformat("%d", 42, "42")
|
|
testformat("%d", -42, "-42")
|
|
testformat("%d", 42, "42")
|
|
testformat("%d", -42, "-42")
|
|
testformat("%d", 42.0, "42")
|
|
testformat("%#x", 1, "0x1")
|
|
testformat("%#x", 1, "0x1")
|
|
testformat("%#X", 1, "0X1")
|
|
testformat("%#X", 1, "0X1")
|
|
testformat("%#x", 1.0, "0x1")
|
|
testformat("%#o", 1, "0o1")
|
|
testformat("%#o", 1, "0o1")
|
|
testformat("%#o", 0, "0o0")
|
|
testformat("%#o", 0, "0o0")
|
|
testformat("%o", 0, "0")
|
|
testformat("%o", 0, "0")
|
|
testformat("%d", 0, "0")
|
|
testformat("%d", 0, "0")
|
|
testformat("%#x", 0, "0x0")
|
|
testformat("%#x", 0, "0x0")
|
|
testformat("%#X", 0, "0X0")
|
|
testformat("%#X", 0, "0X0")
|
|
testformat("%x", 0x42, "42")
|
|
testformat("%x", -0x42, "-42")
|
|
testformat("%x", 0x42, "42")
|
|
testformat("%x", -0x42, "-42")
|
|
testformat("%x", float(0x42), "42")
|
|
testformat("%o", 0o42, "42")
|
|
testformat("%o", -0o42, "-42")
|
|
testformat("%o", 0o42, "42")
|
|
testformat("%o", -0o42, "-42")
|
|
testformat("%o", float(0o42), "42")
|
|
testformat("%r", "\u0378", "'\\u0378'") # non printable
|
|
testformat("%a", "\u0378", "'\\u0378'") # non printable
|
|
testformat("%r", "\u0374", "'\u0374'") # printable
|
|
testformat("%a", "\u0374", "'\\u0374'") # printable
|
|
|
|
# alternate float formatting
|
|
testformat('%g', 1.1, '1.1')
|
|
testformat('%#g', 1.1, '1.10000')
|
|
|
|
# Test exception for unknown format characters
|
|
if verbose:
|
|
print('Testing exceptions')
|
|
def test_exc(formatstr, args, exception, excmsg):
|
|
try:
|
|
testformat(formatstr, args)
|
|
except exception as exc:
|
|
if str(exc) == excmsg:
|
|
if verbose:
|
|
print("yes")
|
|
else:
|
|
if verbose: print('no')
|
|
print('Unexpected ', exception, ':', repr(str(exc)))
|
|
except:
|
|
if verbose: print('no')
|
|
print('Unexpected exception')
|
|
raise
|
|
else:
|
|
raise TestFailed('did not get expected exception: %s' % excmsg)
|
|
test_exc('abc %b', 1, ValueError,
|
|
"unsupported format character 'b' (0x62) at index 5")
|
|
#test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,
|
|
# "unsupported format character '?' (0x3000) at index 5")
|
|
test_exc('%d', '1', TypeError, "%d format: a number is required, not str")
|
|
test_exc('%g', '1', TypeError, "a float is required")
|
|
test_exc('no format', '1', TypeError,
|
|
"not all arguments converted during string formatting")
|
|
test_exc('no format', '1', TypeError,
|
|
"not all arguments converted during string formatting")
|
|
|
|
if maxsize == 2**31-1:
|
|
# crashes 2.2.1 and earlier:
|
|
try:
|
|
"%*d"%(maxsize, -127)
|
|
except MemoryError:
|
|
pass
|
|
else:
|
|
raise TestFailed('"%*d"%(maxsize, -127) should fail')
|
|
|
|
def test_main():
|
|
support.run_unittest(FormatTest)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|