| from test.test_support import verbose, 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("%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 overflowrequired: |
| if verbose: |
| print('no') |
| print("overflow expected on %r %% %r" % (formatstr, args)) |
| elif output and result != output: |
| if verbose: |
| print('no') |
| print("%r %% %r == %r != %r" %\ |
| (formatstr, args, result, output)) |
| else: |
| if verbose: |
| print('yes') |
| |
| def testboth(formatstr, *args): |
| testformat(str8(formatstr), *args) |
| testformat(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", 10, "a") |
| testboth("%x", 100000000000, "174876e800") |
| testboth("%o", 10, "12") |
| testboth("%o", 100000000000, "1351035564000") |
| testboth("%d", 10, "10") |
| testboth("%d", 100000000000, "100000000000") |
| |
| big = 123456789012345678901234567890 |
| 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 = 0x1234567890abcdef12345 # 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 = 0o12345670123456701234567012345670 # 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, "0o12345670123456701234567012345670") |
| testboth("%#o", -big, "-0o12345670123456701234567012345670") |
| testboth("%#.34o", -big, "-0o0012345670123456701234567012345670") |
| testboth("%#+.34o", big, "+0o0012345670123456701234567012345670") |
| testboth("%# .34o", big, " 0o0012345670123456701234567012345670") |
| testboth("%#-+.34o", big, "+0o0012345670123456701234567012345670") |
| testboth("%#-+39.34o", big, "+0o0012345670123456701234567012345670 ") |
| testboth("%#+39.34o", big, " +0o0012345670123456701234567012345670") |
| # next one gets one leading zero from precision |
| testboth("%.33o", big, "012345670123456701234567012345670") |
| # one leading zero from precision |
| testboth("%#.33o", big, "0o012345670123456701234567012345670") |
| # leading zero vanishes |
| testboth("%#.32o", big, "0o12345670123456701234567012345670") |
| # one leading zero from precision, and another from '0' flag & width |
| testboth("%034.33o", big, "0012345670123456701234567012345670") |
| # max width includes base marker; padding zeroes come after marker |
| testboth("%0#38.33o", big, "0o000012345670123456701234567012345670") |
| # padding spaces come before marker |
| testboth("%#36.33o", big, " 0o012345670123456701234567012345670") |
| |
| # Some small ints, in both Python int and long flavors). |
| testboth("%d", 42, "42") |
| testboth("%d", -42, "-42") |
| testboth("%#x", 1, "0x1") |
| testboth("%#X", 1, "0X1") |
| testboth("%#o", 1, "0o1") |
| testboth("%#o", 1, "0o1") |
| testboth("%#o", 0, "0o0") |
| testboth("%#o", 0, "0o0") |
| testboth("%o", 0, "0") |
| testboth("%d", 0, "0") |
| testboth("%#x", 0, "0x0") |
| testboth("%#X", 0, "0X0") |
| |
| testboth("%x", 0x42, "42") |
| testboth("%x", -0x42, "-42") |
| |
| testboth("%o", 0o42, "42") |
| testboth("%o", -0o42, "-42") |
| testboth("%o", 0o42, "42") |
| testboth("%o", -0o42, "-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 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 %a', 1, ValueError, |
| "unsupported format character 'a' (0x61) at index 5") |
| test_exc(str(b'abc %\u3000', 'raw-unicode-escape'), 1, ValueError, |
| "unsupported format character '?' (0x3000) at index 5") |
| |
| test_exc('%d', '1', TypeError, "an integer is required") |
| 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") |
| 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' |