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//usr/lib/python2.4/test/test_format.py
from test.test_support import verbose, have_unicode, TestFailed import sys # 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): 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 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)) # 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") if sys.maxint == 2**31-1: # crashes 2.2.1 and earlier: try: "%*d"%(sys.maxint, -127) except MemoryError: pass else: raise TestFailed, '"%*d"%(sys.maxint, -127) should fail'