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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙfrom test.support import verbose, TestFailed import locale import sys import re 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 bytes object as well def testformat(formatstr, args, output=None, limit=None, overflowok=False): if verbose: if output: print("{!a} % {!a} =? {!a} ...".format(formatstr, args, output), end=' ') else: print("{!a} % {!a} works? ...".format(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') def testcommon(formatstr, args, output=None, limit=None, overflowok=False): # if formatstr is a str, test str, bytes, and bytearray; # otherwise, test bytes and bytearray if isinstance(formatstr, str): testformat(formatstr, args, output, limit, overflowok) b_format = formatstr.encode('ascii') else: b_format = formatstr ba_format = bytearray(b_format) b_args = [] if not isinstance(args, tuple): args = (args, ) b_args = tuple(args) if output is None: b_output = ba_output = None else: if isinstance(output, str): b_output = output.encode('ascii') else: b_output = output ba_output = bytearray(b_output) testformat(b_format, b_args, b_output, limit, overflowok) testformat(ba_format, b_args, ba_output, limit, overflowok) 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) def test_exc_common(formatstr, args, exception, excmsg): # test str and bytes test_exc(formatstr, args, exception, excmsg) test_exc(formatstr.encode('ascii'), args, exception, excmsg) class FormatTest(unittest.TestCase): def test_common_format(self): # test the format identifiers that work the same across # str, bytes, and bytearrays (integer, float, oct, hex) testcommon("%%", (), "%") testcommon("%.1d", (1,), "1") testcommon("%.*d", (sys.maxsize,1), overflowok=True) # expect overflow testcommon("%.100d", (1,), '00000000000000000000000000000000000000' '000000000000000000000000000000000000000000000000000000' '00000001', overflowok=True) testcommon("%#.117x", (1,), '0x00000000000000000000000000000000000' '000000000000000000000000000000000000000000000000000000' '0000000000000000000000000001', overflowok=True) testcommon("%#.118x", (1,), '0x00000000000000000000000000000000000' '000000000000000000000000000000000000000000000000000000' '00000000000000000000000000001', overflowok=True) testcommon("%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 testcommon("%#.*g", (109, -1.e+49/3.)) testcommon("%#.*g", (110, -1.e+49/3.)) testcommon("%#.*g", (110, -1.e+100/3.)) # test some ridiculously large precision, expect overflow testcommon('%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. testcommon("%#.*g", (110, -1.e+100/3.)) testcommon("%#.*G", (110, -1.e+100/3.)) testcommon("%#.*f", (110, -1.e+100/3.)) testcommon("%#.*F", (110, -1.e+100/3.)) # Formatting of integers. Overflow is not ok testcommon("%x", 10, "a") testcommon("%x", 100000000000, "174876e800") testcommon("%o", 10, "12") testcommon("%o", 100000000000, "1351035564000") testcommon("%d", 10, "10") testcommon("%d", 100000000000, "100000000000") big = 123456789012345678901234567890 testcommon("%d", big, "123456789012345678901234567890") testcommon("%d", -big, "-123456789012345678901234567890") testcommon("%5d", -big, "-123456789012345678901234567890") testcommon("%31d", -big, "-123456789012345678901234567890") testcommon("%32d", -big, " -123456789012345678901234567890") testcommon("%-32d", -big, "-123456789012345678901234567890 ") testcommon("%032d", -big, "-0123456789012345678901234567890") testcommon("%-032d", -big, "-123456789012345678901234567890 ") testcommon("%034d", -big, "-000123456789012345678901234567890") testcommon("%034d", big, "0000123456789012345678901234567890") testcommon("%0+34d", big, "+000123456789012345678901234567890") testcommon("%+34d", big, " +123456789012345678901234567890") testcommon("%34d", big, " 123456789012345678901234567890") testcommon("%.2d", big, "123456789012345678901234567890") testcommon("%.30d", big, "123456789012345678901234567890") testcommon("%.31d", big, "0123456789012345678901234567890") testcommon("%32.31d", big, " 0123456789012345678901234567890") testcommon("%d", float(big), "123456________________________", 6) big = 0x1234567890abcdef12345 # 21 hex digits testcommon("%x", big, "1234567890abcdef12345") testcommon("%x", -big, "-1234567890abcdef12345") testcommon("%5x", -big, "-1234567890abcdef12345") testcommon("%22x", -big, "-1234567890abcdef12345") testcommon("%23x", -big, " -1234567890abcdef12345") testcommon("%-23x", -big, "-1234567890abcdef12345 ") testcommon("%023x", -big, "-01234567890abcdef12345") testcommon("%-023x", -big, "-1234567890abcdef12345 ") testcommon("%025x", -big, "-0001234567890abcdef12345") testcommon("%025x", big, "00001234567890abcdef12345") testcommon("%0+25x", big, "+0001234567890abcdef12345") testcommon("%+25x", big, " +1234567890abcdef12345") testcommon("%25x", big, " 1234567890abcdef12345") testcommon("%.2x", big, "1234567890abcdef12345") testcommon("%.21x", big, "1234567890abcdef12345") testcommon("%.22x", big, "01234567890abcdef12345") testcommon("%23.22x", big, " 01234567890abcdef12345") testcommon("%-23.22x", big, "01234567890abcdef12345 ") testcommon("%X", big, "1234567890ABCDEF12345") testcommon("%#X", big, "0X1234567890ABCDEF12345") testcommon("%#x", big, "0x1234567890abcdef12345") testcommon("%#x", -big, "-0x1234567890abcdef12345") testcommon("%#27x", big, " 0x1234567890abcdef12345") testcommon("%#-27x", big, "0x1234567890abcdef12345 ") testcommon("%#027x", big, "0x00001234567890abcdef12345") testcommon("%#.23x", big, "0x001234567890abcdef12345") testcommon("%#.23x", -big, "-0x001234567890abcdef12345") testcommon("%#27.23x", big, " 0x001234567890abcdef12345") testcommon("%#-27.23x", big, "0x001234567890abcdef12345 ") testcommon("%#027.23x", big, "0x00001234567890abcdef12345") testcommon("%#+.23x", big, "+0x001234567890abcdef12345") testcommon("%# .23x", big, " 0x001234567890abcdef12345") testcommon("%#+.23X", big, "+0X001234567890ABCDEF12345") # next one gets two leading zeroes from precision, and another from the # 0 flag and the width testcommon("%#+027.23X", big, "+0X0001234567890ABCDEF12345") testcommon("%# 027.23X", big, " 0X0001234567890ABCDEF12345") # same, except no 0 flag testcommon("%#+27.23X", big, " +0X001234567890ABCDEF12345") testcommon("%#-+27.23x", big, "+0x001234567890abcdef12345 ") testcommon("%#- 27.23x", big, " 0x001234567890abcdef12345 ") big = 0o12345670123456701234567012345670 # 32 octal digits testcommon("%o", big, "12345670123456701234567012345670") testcommon("%o", -big, "-12345670123456701234567012345670") testcommon("%5o", -big, "-12345670123456701234567012345670") testcommon("%33o", -big, "-12345670123456701234567012345670") testcommon("%34o", -big, " -12345670123456701234567012345670") testcommon("%-34o", -big, "-12345670123456701234567012345670 ") testcommon("%034o", -big, "-012345670123456701234567012345670") testcommon("%-034o", -big, "-12345670123456701234567012345670 ") testcommon("%036o", -big, "-00012345670123456701234567012345670") testcommon("%036o", big, "000012345670123456701234567012345670") testcommon("%0+36o", big, "+00012345670123456701234567012345670") testcommon("%+36o", big, " +12345670123456701234567012345670") testcommon("%36o", big, " 12345670123456701234567012345670") testcommon("%.2o", big, "12345670123456701234567012345670") testcommon("%.32o", big, "12345670123456701234567012345670") testcommon("%.33o", big, "012345670123456701234567012345670") testcommon("%34.33o", big, " 012345670123456701234567012345670") testcommon("%-34.33o", big, "012345670123456701234567012345670 ") testcommon("%o", big, "12345670123456701234567012345670") testcommon("%#o", big, "0o12345670123456701234567012345670") testcommon("%#o", -big, "-0o12345670123456701234567012345670") testcommon("%#38o", big, " 0o12345670123456701234567012345670") testcommon("%#-38o", big, "0o12345670123456701234567012345670 ") testcommon("%#038o", big, "0o000012345670123456701234567012345670") testcommon("%#.34o", big, "0o0012345670123456701234567012345670") testcommon("%#.34o", -big, "-0o0012345670123456701234567012345670") testcommon("%#38.34o", big, " 0o0012345670123456701234567012345670") testcommon("%#-38.34o", big, "0o0012345670123456701234567012345670 ") testcommon("%#038.34o", big, "0o000012345670123456701234567012345670") testcommon("%#+.34o", big, "+0o0012345670123456701234567012345670") testcommon("%# .34o", big, " 0o0012345670123456701234567012345670") testcommon("%#+38.34o", big, " +0o0012345670123456701234567012345670") testcommon("%#-+38.34o", big, "+0o0012345670123456701234567012345670 ") testcommon("%#- 38.34o", big, " 0o0012345670123456701234567012345670 ") testcommon("%#+038.34o", big, "+0o00012345670123456701234567012345670") testcommon("%# 038.34o", big, " 0o00012345670123456701234567012345670") # next one gets one leading zero from precision testcommon("%.33o", big, "012345670123456701234567012345670") # base marker added in spite of leading zero (different to Python 2) testcommon("%#.33o", big, "0o012345670123456701234567012345670") # reduce precision, and base marker is always added testcommon("%#.32o", big, "0o12345670123456701234567012345670") # one leading zero from precision, plus two from "0" flag & width testcommon("%035.33o", big, "00012345670123456701234567012345670") # base marker shouldn't change the size testcommon("%0#35.33o", big, "0o012345670123456701234567012345670") # Some small ints, in both Python int and flavors. testcommon("%d", 42, "42") testcommon("%d", -42, "-42") testcommon("%d", 42.0, "42") testcommon("%#x", 1, "0x1") testcommon("%#X", 1, "0X1") testcommon("%#o", 1, "0o1") testcommon("%#o", 0, "0o0") testcommon("%o", 0, "0") testcommon("%d", 0, "0") testcommon("%#x", 0, "0x0") testcommon("%#X", 0, "0X0") testcommon("%x", 0x42, "42") testcommon("%x", -0x42, "-42") testcommon("%o", 0o42, "42") testcommon("%o", -0o42, "-42") # alternate float formatting testcommon('%g', 1.1, '1.1') testcommon('%#g', 1.1, '1.10000') if verbose: print('Testing exceptions') test_exc_common('%', (), ValueError, "incomplete format") test_exc_common('% %s', 1, ValueError, "unsupported format character '%' (0x25) at index 2") test_exc_common('%d', '1', TypeError, "%d format: a number is required, not str") test_exc_common('%d', b'1', TypeError, "%d format: a number is required, not bytes") test_exc_common('%x', '1', TypeError, "%x format: an integer is required, not str") test_exc_common('%x', 3.14, TypeError, "%x format: an integer is required, not float") def test_str_format(self): testformat("%r", "\u0378", "'\\u0378'") # non printable testformat("%a", "\u0378", "'\\u0378'") # non printable testformat("%r", "\u0374", "'\u0374'") # printable testformat("%a", "\u0374", "'\\u0374'") # printable # Test exception for unknown format characters, etc. if verbose: print('Testing exceptions') 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('%g', '1', TypeError, "must be real number, not str") test_exc('no format', '1', TypeError, "not all arguments converted during string formatting") test_exc('%c', -1, OverflowError, "%c arg not in range(0x110000)") test_exc('%c', sys.maxunicode+1, OverflowError, "%c arg not in range(0x110000)") #test_exc('%c', 2**128, OverflowError, "%c arg not in range(0x110000)") test_exc('%c', 3.14, TypeError, "%c requires int or char") test_exc('%c', 'ab', TypeError, "%c requires int or char") test_exc('%c', b'x', TypeError, "%c requires int or char") 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_bytes_and_bytearray_format(self): # %c will insert a single byte, either from an int in range(256), or # from a bytes argument of length 1, not from a str. testcommon(b"%c", 7, b"\x07") testcommon(b"%c", b"Z", b"Z") testcommon(b"%c", bytearray(b"Z"), b"Z") testcommon(b"%5c", 65, b" A") testcommon(b"%-5c", 65, b"A ") # %b will insert a series of bytes, either from a type that supports # the Py_buffer protocol, or something that has a __bytes__ method class FakeBytes(object): def __bytes__(self): return b'123' fb = FakeBytes() testcommon(b"%b", b"abc", b"abc") testcommon(b"%b", bytearray(b"def"), b"def") testcommon(b"%b", fb, b"123") testcommon(b"%b", memoryview(b"abc"), b"abc") # # %s is an alias for %b -- should only be used for Py2/3 code testcommon(b"%s", b"abc", b"abc") testcommon(b"%s", bytearray(b"def"), b"def") testcommon(b"%s", fb, b"123") testcommon(b"%s", memoryview(b"abc"), b"abc") # %a will give the equivalent of # repr(some_obj).encode('ascii', 'backslashreplace') testcommon(b"%a", 3.14, b"3.14") testcommon(b"%a", b"ghi", b"b'ghi'") testcommon(b"%a", "jkl", b"'jkl'") testcommon(b"%a", "\u0544", b"'\\u0544'") # %r is an alias for %a testcommon(b"%r", 3.14, b"3.14") testcommon(b"%r", b"ghi", b"b'ghi'") testcommon(b"%r", "jkl", b"'jkl'") testcommon(b"%r", "\u0544", b"'\\u0544'") # Test exception for unknown format characters, etc. if verbose: print('Testing exceptions') test_exc(b'%g', '1', TypeError, "float argument required, not str") test_exc(b'%g', b'1', TypeError, "float argument required, not bytes") test_exc(b'no format', 7, TypeError, "not all arguments converted during bytes formatting") test_exc(b'no format', b'1', TypeError, "not all arguments converted during bytes formatting") test_exc(b'no format', bytearray(b'1'), TypeError, "not all arguments converted during bytes formatting") test_exc(b"%c", -1, OverflowError, "%c arg not in range(256)") test_exc(b"%c", 256, OverflowError, "%c arg not in range(256)") test_exc(b"%c", 2**128, OverflowError, "%c arg not in range(256)") test_exc(b"%c", b"Za", TypeError, "%c requires an integer in range(256) or a single byte") test_exc(b"%c", "Y", TypeError, "%c requires an integer in range(256) or a single byte") test_exc(b"%c", 3.14, TypeError, "%c requires an integer in range(256) or a single byte") test_exc(b"%b", "Xc", TypeError, "%b requires a bytes-like object, " "or an object that implements __bytes__, not 'str'") test_exc(b"%s", "Wd", TypeError, "%b requires a bytes-like object, " "or an object that implements __bytes__, not 'str'") 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_nul(self): # test the null character testcommon("a\0b", (), 'a\0b') testcommon("a%cb", (0,), 'a\0b') testformat("a%sb", ('c\0d',), 'ac\0db') testcommon(b"a%sb", (b'c\0d',), b'ac\0db') def test_non_ascii(self): testformat("\u20ac=%f", (1.0,), "\u20ac=1.000000") self.assertEqual(format("abc", "\u2007<5"), "abc\u2007\u2007") self.assertEqual(format(123, "\u2007<5"), "123\u2007\u2007") self.assertEqual(format(12.3, "\u2007<6"), "12.3\u2007\u2007") self.assertEqual(format(0j, "\u2007<4"), "0j\u2007\u2007") self.assertEqual(format(1+2j, "\u2007<8"), "(1+2j)\u2007\u2007") self.assertEqual(format("abc", "\u2007>5"), "\u2007\u2007abc") self.assertEqual(format(123, "\u2007>5"), "\u2007\u2007123") self.assertEqual(format(12.3, "\u2007>6"), "\u2007\u200712.3") self.assertEqual(format(1+2j, "\u2007>8"), "\u2007\u2007(1+2j)") self.assertEqual(format(0j, "\u2007>4"), "\u2007\u20070j") self.assertEqual(format("abc", "\u2007^5"), "\u2007abc\u2007") self.assertEqual(format(123, "\u2007^5"), "\u2007123\u2007") self.assertEqual(format(12.3, "\u2007^6"), "\u200712.3\u2007") self.assertEqual(format(1+2j, "\u2007^8"), "\u2007(1+2j)\u2007") self.assertEqual(format(0j, "\u2007^4"), "\u20070j\u2007") def test_locale(self): try: oldloc = locale.setlocale(locale.LC_ALL) locale.setlocale(locale.LC_ALL, '') except locale.Error as err: self.skipTest("Cannot set locale: {}".format(err)) try: localeconv = locale.localeconv() sep = localeconv['thousands_sep'] point = localeconv['decimal_point'] grouping = localeconv['grouping'] text = format(123456789, "n") if grouping: self.assertIn(sep, text) self.assertEqual(text.replace(sep, ''), '123456789') text = format(1234.5, "n") if grouping: self.assertIn(sep, text) self.assertIn(point, text) self.assertEqual(text.replace(sep, ''), '1234' + point + '5') finally: locale.setlocale(locale.LC_ALL, oldloc) @support.cpython_only def test_optimisations(self): text = "abcde" # 5 characters self.assertIs("%s" % text, text) self.assertIs("%.5s" % text, text) self.assertIs("%.10s" % text, text) self.assertIs("%1s" % text, text) self.assertIs("%5s" % text, text) self.assertIs("{0}".format(text), text) self.assertIs("{0:s}".format(text), text) self.assertIs("{0:.5s}".format(text), text) self.assertIs("{0:.10s}".format(text), text) self.assertIs("{0:1s}".format(text), text) self.assertIs("{0:5s}".format(text), text) self.assertIs(text % (), text) self.assertIs(text.format(), text) def test_precision(self): f = 1.2 self.assertEqual(format(f, ".0f"), "1") self.assertEqual(format(f, ".3f"), "1.200") with self.assertRaises(ValueError) as cm: format(f, ".%sf" % (sys.maxsize + 1)) c = complex(f) self.assertEqual(format(c, ".0f"), "1+0j") self.assertEqual(format(c, ".3f"), "1.200+0.000j") with self.assertRaises(ValueError) as cm: format(c, ".%sf" % (sys.maxsize + 1)) @support.cpython_only def test_precision_c_limits(self): from _testcapi import INT_MAX f = 1.2 with self.assertRaises(ValueError) as cm: format(f, ".%sf" % (INT_MAX + 1)) c = complex(f) with self.assertRaises(ValueError) as cm: format(c, ".%sf" % (INT_MAX + 1)) def test_g_format_has_no_trailing_zeros(self): # regression test for bugs.python.org/issue40780 self.assertEqual("%.3g" % 1505.0, "1.5e+03") self.assertEqual("%#.3g" % 1505.0, "1.50e+03") self.assertEqual(format(1505.0, ".3g"), "1.5e+03") self.assertEqual(format(1505.0, "#.3g"), "1.50e+03") self.assertEqual(format(12300050.0, ".6g"), "1.23e+07") self.assertEqual(format(12300050.0, "#.6g"), "1.23000e+07") def test_with_two_commas_in_format_specifier(self): error_msg = re.escape("Cannot specify ',' with ','.") with self.assertRaisesRegex(ValueError, error_msg): '{:,,}'.format(1) def test_with_two_underscore_in_format_specifier(self): error_msg = re.escape("Cannot specify '_' with '_'.") with self.assertRaisesRegex(ValueError, error_msg): '{:__}'.format(1) def test_with_a_commas_and_an_underscore_in_format_specifier(self): error_msg = re.escape("Cannot specify both ',' and '_'.") with self.assertRaisesRegex(ValueError, error_msg): '{:,_}'.format(1) def test_with_an_underscore_and_a_comma_in_format_specifier(self): error_msg = re.escape("Cannot specify both ',' and '_'.") with self.assertRaisesRegex(ValueError, error_msg): '{:_,}'.format(1) if __name__ == "__main__": unittest.main()