lib-python.2.5.test.test_format.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython Show documentation
Show all versions of jython Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
from test.test_support import verbose, have_unicode, TestFailed
import sys
from test.test_support import MAX_Py_ssize_t
maxsize = 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
overflowrequired = 0
def testformat(formatstr, args, output=None):
if verbose:
if output:
print "%s %% %s =? %s ..." %\
(repr(formatstr), repr(args), repr(output)),
else:
print "%s %% %s works? ..." % (repr(formatstr), repr(args)),
try:
result = formatstr % args
except OverflowError:
if not overflowok:
raise
if verbose:
print 'overflow (this is fine)'
else:
if overflowrequired:
if verbose:
print 'no'
print "overflow expected on %s %% %s" % \
(repr(formatstr), repr(args))
elif output and result != output:
if verbose:
print 'no'
print "%s %% %s == %s != %s" % \
(repr(formatstr), repr(args), repr(result), repr(output))
else:
if verbose:
print 'yes'
def testboth(formatstr, *args):
testformat(formatstr, *args)
if have_unicode:
testformat(unicode(formatstr), *args)
testboth("%.1d", (1,), "1")
testboth("%.*d", (sys.maxint,1)) # expect overflow
testboth("%.100d", (1,), '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%#.117x", (1,), '0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%#.118x", (1,), '0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001')
testboth("%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
testboth("%#.*g", (109, -1.e+49/3.))
testboth("%#.*g", (110, -1.e+49/3.))
testboth("%#.*g", (110, -1.e+100/3.))
# test some ridiculously large precision, expect overflow
testboth('%12.*f', (123456, 1.0))
# check for internal overflow validation on length of precision
overflowrequired = 1
testboth("%#.*g", (110, -1.e+100/3.))
testboth("%#.*G", (110, -1.e+100/3.))
testboth("%#.*f", (110, -1.e+100/3.))
testboth("%#.*F", (110, -1.e+100/3.))
overflowrequired = 0
# Formatting of long integers. Overflow is not ok
overflowok = 0
testboth("%x", 10L, "a")
testboth("%x", 100000000000L, "174876e800")
testboth("%o", 10L, "12")
testboth("%o", 100000000000L, "1351035564000")
testboth("%d", 10L, "10")
testboth("%d", 100000000000L, "100000000000")
big = 123456789012345678901234567890L
testboth("%d", big, "123456789012345678901234567890")
testboth("%d", -big, "-123456789012345678901234567890")
testboth("%5d", -big, "-123456789012345678901234567890")
testboth("%31d", -big, "-123456789012345678901234567890")
testboth("%32d", -big, " -123456789012345678901234567890")
testboth("%-32d", -big, "-123456789012345678901234567890 ")
testboth("%032d", -big, "-0123456789012345678901234567890")
testboth("%-032d", -big, "-123456789012345678901234567890 ")
testboth("%034d", -big, "-000123456789012345678901234567890")
testboth("%034d", big, "0000123456789012345678901234567890")
testboth("%0+34d", big, "+000123456789012345678901234567890")
testboth("%+34d", big, " +123456789012345678901234567890")
testboth("%34d", big, " 123456789012345678901234567890")
testboth("%.2d", big, "123456789012345678901234567890")
testboth("%.30d", big, "123456789012345678901234567890")
testboth("%.31d", big, "0123456789012345678901234567890")
testboth("%32.31d", big, " 0123456789012345678901234567890")
big = 0x1234567890abcdef12345L # 21 hex digits
testboth("%x", big, "1234567890abcdef12345")
testboth("%x", -big, "-1234567890abcdef12345")
testboth("%5x", -big, "-1234567890abcdef12345")
testboth("%22x", -big, "-1234567890abcdef12345")
testboth("%23x", -big, " -1234567890abcdef12345")
testboth("%-23x", -big, "-1234567890abcdef12345 ")
testboth("%023x", -big, "-01234567890abcdef12345")
testboth("%-023x", -big, "-1234567890abcdef12345 ")
testboth("%025x", -big, "-0001234567890abcdef12345")
testboth("%025x", big, "00001234567890abcdef12345")
testboth("%0+25x", big, "+0001234567890abcdef12345")
testboth("%+25x", big, " +1234567890abcdef12345")
testboth("%25x", big, " 1234567890abcdef12345")
testboth("%.2x", big, "1234567890abcdef12345")
testboth("%.21x", big, "1234567890abcdef12345")
testboth("%.22x", big, "01234567890abcdef12345")
testboth("%23.22x", big, " 01234567890abcdef12345")
testboth("%-23.22x", big, "01234567890abcdef12345 ")
testboth("%X", big, "1234567890ABCDEF12345")
testboth("%#X", big, "0X1234567890ABCDEF12345")
testboth("%#x", big, "0x1234567890abcdef12345")
testboth("%#x", -big, "-0x1234567890abcdef12345")
testboth("%#.23x", -big, "-0x001234567890abcdef12345")
testboth("%#+.23x", big, "+0x001234567890abcdef12345")
testboth("%# .23x", big, " 0x001234567890abcdef12345")
testboth("%#+.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
testboth("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
# next one gets two leading zeroes from precision, and another from the
# 0 flag and the width
testboth("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
# same, except no 0 flag
testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")
big = 012345670123456701234567012345670L # 32 octal digits
testboth("%o", big, "12345670123456701234567012345670")
testboth("%o", -big, "-12345670123456701234567012345670")
testboth("%5o", -big, "-12345670123456701234567012345670")
testboth("%33o", -big, "-12345670123456701234567012345670")
testboth("%34o", -big, " -12345670123456701234567012345670")
testboth("%-34o", -big, "-12345670123456701234567012345670 ")
testboth("%034o", -big, "-012345670123456701234567012345670")
testboth("%-034o", -big, "-12345670123456701234567012345670 ")
testboth("%036o", -big, "-00012345670123456701234567012345670")
testboth("%036o", big, "000012345670123456701234567012345670")
testboth("%0+36o", big, "+00012345670123456701234567012345670")
testboth("%+36o", big, " +12345670123456701234567012345670")
testboth("%36o", big, " 12345670123456701234567012345670")
testboth("%.2o", big, "12345670123456701234567012345670")
testboth("%.32o", big, "12345670123456701234567012345670")
testboth("%.33o", big, "012345670123456701234567012345670")
testboth("%34.33o", big, " 012345670123456701234567012345670")
testboth("%-34.33o", big, "012345670123456701234567012345670 ")
testboth("%o", big, "12345670123456701234567012345670")
testboth("%#o", big, "012345670123456701234567012345670")
testboth("%#o", -big, "-012345670123456701234567012345670")
testboth("%#.34o", -big, "-0012345670123456701234567012345670")
testboth("%#+.34o", big, "+0012345670123456701234567012345670")
testboth("%# .34o", big, " 0012345670123456701234567012345670")
testboth("%#+.34o", big, "+0012345670123456701234567012345670")
testboth("%#-+.34o", big, "+0012345670123456701234567012345670")
testboth("%#-+37.34o", big, "+0012345670123456701234567012345670 ")
testboth("%#+37.34o", big, " +0012345670123456701234567012345670")
# next one gets one leading zero from precision
testboth("%.33o", big, "012345670123456701234567012345670")
# base marker shouldn't change that, since "0" is redundant
testboth("%#.33o", big, "012345670123456701234567012345670")
# but reduce precision, and base marker should add a zero
testboth("%#.32o", big, "012345670123456701234567012345670")
# one leading zero from precision, and another from "0" flag & width
testboth("%034.33o", big, "0012345670123456701234567012345670")
# base marker shouldn't change that
testboth("%0#34.33o", big, "0012345670123456701234567012345670")
# Some small ints, in both Python int and long flavors).
testboth("%d", 42, "42")
testboth("%d", -42, "-42")
testboth("%d", 42L, "42")
testboth("%d", -42L, "-42")
testboth("%#x", 1, "0x1")
testboth("%#x", 1L, "0x1")
testboth("%#X", 1, "0X1")
testboth("%#X", 1L, "0X1")
testboth("%#o", 1, "01")
testboth("%#o", 1L, "01")
testboth("%#o", 0, "0")
testboth("%#o", 0L, "0")
testboth("%o", 0, "0")
testboth("%o", 0L, "0")
testboth("%d", 0, "0")
testboth("%d", 0L, "0")
testboth("%#x", 0, "0x0")
testboth("%#x", 0L, "0x0")
testboth("%#X", 0, "0X0")
testboth("%#X", 0L, "0X0")
testboth("%x", 0x42, "42")
testboth("%x", -0x42, "-42")
testboth("%x", 0x42L, "42")
testboth("%x", -0x42L, "-42")
testboth("%o", 042, "42")
testboth("%o", -042, "-42")
testboth("%o", 042L, "42")
testboth("%o", -042L, "-42")
# Test exception for unknown format characters
if verbose:
print 'Testing exceptions'
def test_exc(formatstr, args, exception, excmsg):
try:
testformat(formatstr, args)
except exception, 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 %a', 1, ValueError,
"unsupported format character 'a' (0x61) at index 5")
if have_unicode:
test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,
"unsupported format character '?' (0x3000) at index 5")
test_exc('%d', '1', TypeError, "int argument required")
test_exc('%g', '1', TypeError, "float argument required")
test_exc('no format', '1', TypeError,
"not all arguments converted during string formatting")
test_exc('no format', u'1', TypeError,
"not all arguments converted during string formatting")
test_exc(u'no format', '1', TypeError,
"not all arguments converted during string formatting")
test_exc(u'no format', u'1', TypeError,
"not all arguments converted during string formatting")
class Foobar(long):
def __oct__(self):
# Returning a non-string should not blow up.
return self + 1
test_exc('%o', Foobar(), TypeError,
"expected string or Unicode object, long found")
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'