| 4710c53d |
1 | import sys\r |
| 2 | from test.test_support import verbose, have_unicode, TestFailed\r |
| 3 | import test.test_support as test_support\r |
| 4 | import unittest\r |
| 5 | \r |
| 6 | maxsize = test_support.MAX_Py_ssize_t\r |
| 7 | \r |
| 8 | # test string formatting operator (I am not sure if this is being tested\r |
| 9 | # elsewhere but, surely, some of the given cases are *not* tested because\r |
| 10 | # they crash python)\r |
| 11 | # test on unicode strings as well\r |
| 12 | \r |
| 13 | def testformat(formatstr, args, output=None, limit=None, overflowok=False):\r |
| 14 | if verbose:\r |
| 15 | if output:\r |
| 16 | print "%s %% %s =? %s ..." %\\r |
| 17 | (repr(formatstr), repr(args), repr(output)),\r |
| 18 | else:\r |
| 19 | print "%s %% %s works? ..." % (repr(formatstr), repr(args)),\r |
| 20 | try:\r |
| 21 | result = formatstr % args\r |
| 22 | except OverflowError:\r |
| 23 | if not overflowok:\r |
| 24 | raise\r |
| 25 | if verbose:\r |
| 26 | print 'overflow (this is fine)'\r |
| 27 | else:\r |
| 28 | if output and limit is None and result != output:\r |
| 29 | if verbose:\r |
| 30 | print 'no'\r |
| 31 | raise AssertionError("%r %% %r == %r != %r" %\r |
| 32 | (formatstr, args, result, output))\r |
| 33 | # when 'limit' is specified, it determines how many characters\r |
| 34 | # must match exactly; lengths must always match.\r |
| 35 | # ex: limit=5, '12345678' matches '12345___'\r |
| 36 | # (mainly for floating point format tests for which an exact match\r |
| 37 | # can't be guaranteed due to rounding and representation errors)\r |
| 38 | elif output and limit is not None and (\r |
| 39 | len(result)!=len(output) or result[:limit]!=output[:limit]):\r |
| 40 | if verbose:\r |
| 41 | print 'no'\r |
| 42 | print "%s %% %s == %s != %s" % \\r |
| 43 | (repr(formatstr), repr(args), repr(result), repr(output))\r |
| 44 | else:\r |
| 45 | if verbose:\r |
| 46 | print 'yes'\r |
| 47 | \r |
| 48 | \r |
| 49 | def testboth(formatstr, *args, **kwargs):\r |
| 50 | testformat(formatstr, *args, **kwargs)\r |
| 51 | if have_unicode:\r |
| 52 | testformat(unicode(formatstr), *args, **kwargs)\r |
| 53 | \r |
| 54 | \r |
| 55 | class FormatTest(unittest.TestCase):\r |
| 56 | def test_format(self):\r |
| 57 | testboth("%.1d", (1,), "1")\r |
| 58 | testboth("%.*d", (sys.maxint,1), overflowok=True) # expect overflow\r |
| 59 | testboth("%.100d", (1,), '00000000000000000000000000000000000000'\r |
| 60 | '000000000000000000000000000000000000000000000000000000'\r |
| 61 | '00000001', overflowok=True)\r |
| 62 | testboth("%#.117x", (1,), '0x00000000000000000000000000000000000'\r |
| 63 | '000000000000000000000000000000000000000000000000000000'\r |
| 64 | '0000000000000000000000000001',\r |
| 65 | overflowok=True)\r |
| 66 | testboth("%#.118x", (1,), '0x00000000000000000000000000000000000'\r |
| 67 | '000000000000000000000000000000000000000000000000000000'\r |
| 68 | '00000000000000000000000000001',\r |
| 69 | overflowok=True)\r |
| 70 | \r |
| 71 | testboth("%f", (1.0,), "1.000000")\r |
| 72 | # these are trying to test the limits of the internal magic-number-length\r |
| 73 | # formatting buffer, if that number changes then these tests are less\r |
| 74 | # effective\r |
| 75 | testboth("%#.*g", (109, -1.e+49/3.))\r |
| 76 | testboth("%#.*g", (110, -1.e+49/3.))\r |
| 77 | testboth("%#.*g", (110, -1.e+100/3.))\r |
| 78 | \r |
| 79 | # test some ridiculously large precision, expect overflow\r |
| 80 | testboth('%12.*f', (123456, 1.0))\r |
| 81 | \r |
| 82 | # check for internal overflow validation on length of precision\r |
| 83 | # these tests should no longer cause overflow in Python\r |
| 84 | # 2.7/3.1 and later.\r |
| 85 | testboth("%#.*g", (110, -1.e+100/3.))\r |
| 86 | testboth("%#.*G", (110, -1.e+100/3.))\r |
| 87 | testboth("%#.*f", (110, -1.e+100/3.))\r |
| 88 | testboth("%#.*F", (110, -1.e+100/3.))\r |
| 89 | \r |
| 90 | # Formatting of long integers. Overflow is not ok\r |
| 91 | testboth("%x", 10L, "a")\r |
| 92 | testboth("%x", 100000000000L, "174876e800")\r |
| 93 | testboth("%o", 10L, "12")\r |
| 94 | testboth("%o", 100000000000L, "1351035564000")\r |
| 95 | testboth("%d", 10L, "10")\r |
| 96 | testboth("%d", 100000000000L, "100000000000")\r |
| 97 | \r |
| 98 | big = 123456789012345678901234567890L\r |
| 99 | testboth("%d", big, "123456789012345678901234567890")\r |
| 100 | testboth("%d", -big, "-123456789012345678901234567890")\r |
| 101 | testboth("%5d", -big, "-123456789012345678901234567890")\r |
| 102 | testboth("%31d", -big, "-123456789012345678901234567890")\r |
| 103 | testboth("%32d", -big, " -123456789012345678901234567890")\r |
| 104 | testboth("%-32d", -big, "-123456789012345678901234567890 ")\r |
| 105 | testboth("%032d", -big, "-0123456789012345678901234567890")\r |
| 106 | testboth("%-032d", -big, "-123456789012345678901234567890 ")\r |
| 107 | testboth("%034d", -big, "-000123456789012345678901234567890")\r |
| 108 | testboth("%034d", big, "0000123456789012345678901234567890")\r |
| 109 | testboth("%0+34d", big, "+000123456789012345678901234567890")\r |
| 110 | testboth("%+34d", big, " +123456789012345678901234567890")\r |
| 111 | testboth("%34d", big, " 123456789012345678901234567890")\r |
| 112 | testboth("%.2d", big, "123456789012345678901234567890")\r |
| 113 | testboth("%.30d", big, "123456789012345678901234567890")\r |
| 114 | testboth("%.31d", big, "0123456789012345678901234567890")\r |
| 115 | testboth("%32.31d", big, " 0123456789012345678901234567890")\r |
| 116 | testboth("%d", float(big), "123456________________________", 6)\r |
| 117 | \r |
| 118 | big = 0x1234567890abcdef12345L # 21 hex digits\r |
| 119 | testboth("%x", big, "1234567890abcdef12345")\r |
| 120 | testboth("%x", -big, "-1234567890abcdef12345")\r |
| 121 | testboth("%5x", -big, "-1234567890abcdef12345")\r |
| 122 | testboth("%22x", -big, "-1234567890abcdef12345")\r |
| 123 | testboth("%23x", -big, " -1234567890abcdef12345")\r |
| 124 | testboth("%-23x", -big, "-1234567890abcdef12345 ")\r |
| 125 | testboth("%023x", -big, "-01234567890abcdef12345")\r |
| 126 | testboth("%-023x", -big, "-1234567890abcdef12345 ")\r |
| 127 | testboth("%025x", -big, "-0001234567890abcdef12345")\r |
| 128 | testboth("%025x", big, "00001234567890abcdef12345")\r |
| 129 | testboth("%0+25x", big, "+0001234567890abcdef12345")\r |
| 130 | testboth("%+25x", big, " +1234567890abcdef12345")\r |
| 131 | testboth("%25x", big, " 1234567890abcdef12345")\r |
| 132 | testboth("%.2x", big, "1234567890abcdef12345")\r |
| 133 | testboth("%.21x", big, "1234567890abcdef12345")\r |
| 134 | testboth("%.22x", big, "01234567890abcdef12345")\r |
| 135 | testboth("%23.22x", big, " 01234567890abcdef12345")\r |
| 136 | testboth("%-23.22x", big, "01234567890abcdef12345 ")\r |
| 137 | testboth("%X", big, "1234567890ABCDEF12345")\r |
| 138 | testboth("%#X", big, "0X1234567890ABCDEF12345")\r |
| 139 | testboth("%#x", big, "0x1234567890abcdef12345")\r |
| 140 | testboth("%#x", -big, "-0x1234567890abcdef12345")\r |
| 141 | testboth("%#.23x", -big, "-0x001234567890abcdef12345")\r |
| 142 | testboth("%#+.23x", big, "+0x001234567890abcdef12345")\r |
| 143 | testboth("%# .23x", big, " 0x001234567890abcdef12345")\r |
| 144 | testboth("%#+.23X", big, "+0X001234567890ABCDEF12345")\r |
| 145 | testboth("%#-+.23X", big, "+0X001234567890ABCDEF12345")\r |
| 146 | testboth("%#-+26.23X", big, "+0X001234567890ABCDEF12345")\r |
| 147 | testboth("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")\r |
| 148 | testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")\r |
| 149 | # next one gets two leading zeroes from precision, and another from the\r |
| 150 | # 0 flag and the width\r |
| 151 | testboth("%#+027.23X", big, "+0X0001234567890ABCDEF12345")\r |
| 152 | # same, except no 0 flag\r |
| 153 | testboth("%#+27.23X", big, " +0X001234567890ABCDEF12345")\r |
| 154 | testboth("%x", float(big), "123456_______________", 6)\r |
| 155 | \r |
| 156 | big = 012345670123456701234567012345670L # 32 octal digits\r |
| 157 | testboth("%o", big, "12345670123456701234567012345670")\r |
| 158 | testboth("%o", -big, "-12345670123456701234567012345670")\r |
| 159 | testboth("%5o", -big, "-12345670123456701234567012345670")\r |
| 160 | testboth("%33o", -big, "-12345670123456701234567012345670")\r |
| 161 | testboth("%34o", -big, " -12345670123456701234567012345670")\r |
| 162 | testboth("%-34o", -big, "-12345670123456701234567012345670 ")\r |
| 163 | testboth("%034o", -big, "-012345670123456701234567012345670")\r |
| 164 | testboth("%-034o", -big, "-12345670123456701234567012345670 ")\r |
| 165 | testboth("%036o", -big, "-00012345670123456701234567012345670")\r |
| 166 | testboth("%036o", big, "000012345670123456701234567012345670")\r |
| 167 | testboth("%0+36o", big, "+00012345670123456701234567012345670")\r |
| 168 | testboth("%+36o", big, " +12345670123456701234567012345670")\r |
| 169 | testboth("%36o", big, " 12345670123456701234567012345670")\r |
| 170 | testboth("%.2o", big, "12345670123456701234567012345670")\r |
| 171 | testboth("%.32o", big, "12345670123456701234567012345670")\r |
| 172 | testboth("%.33o", big, "012345670123456701234567012345670")\r |
| 173 | testboth("%34.33o", big, " 012345670123456701234567012345670")\r |
| 174 | testboth("%-34.33o", big, "012345670123456701234567012345670 ")\r |
| 175 | testboth("%o", big, "12345670123456701234567012345670")\r |
| 176 | testboth("%#o", big, "012345670123456701234567012345670")\r |
| 177 | testboth("%#o", -big, "-012345670123456701234567012345670")\r |
| 178 | testboth("%#.34o", -big, "-0012345670123456701234567012345670")\r |
| 179 | testboth("%#+.34o", big, "+0012345670123456701234567012345670")\r |
| 180 | testboth("%# .34o", big, " 0012345670123456701234567012345670")\r |
| 181 | testboth("%#+.34o", big, "+0012345670123456701234567012345670")\r |
| 182 | testboth("%#-+.34o", big, "+0012345670123456701234567012345670")\r |
| 183 | testboth("%#-+37.34o", big, "+0012345670123456701234567012345670 ")\r |
| 184 | testboth("%#+37.34o", big, " +0012345670123456701234567012345670")\r |
| 185 | # next one gets one leading zero from precision\r |
| 186 | testboth("%.33o", big, "012345670123456701234567012345670")\r |
| 187 | # base marker shouldn't change that, since "0" is redundant\r |
| 188 | testboth("%#.33o", big, "012345670123456701234567012345670")\r |
| 189 | # but reduce precision, and base marker should add a zero\r |
| 190 | testboth("%#.32o", big, "012345670123456701234567012345670")\r |
| 191 | # one leading zero from precision, and another from "0" flag & width\r |
| 192 | testboth("%034.33o", big, "0012345670123456701234567012345670")\r |
| 193 | # base marker shouldn't change that\r |
| 194 | testboth("%0#34.33o", big, "0012345670123456701234567012345670")\r |
| 195 | testboth("%o", float(big), "123456__________________________", 6)\r |
| 196 | \r |
| 197 | # Some small ints, in both Python int and long flavors).\r |
| 198 | testboth("%d", 42, "42")\r |
| 199 | testboth("%d", -42, "-42")\r |
| 200 | testboth("%d", 42L, "42")\r |
| 201 | testboth("%d", -42L, "-42")\r |
| 202 | testboth("%d", 42.0, "42")\r |
| 203 | testboth("%#x", 1, "0x1")\r |
| 204 | testboth("%#x", 1L, "0x1")\r |
| 205 | testboth("%#X", 1, "0X1")\r |
| 206 | testboth("%#X", 1L, "0X1")\r |
| 207 | testboth("%#x", 1.0, "0x1")\r |
| 208 | testboth("%#o", 1, "01")\r |
| 209 | testboth("%#o", 1L, "01")\r |
| 210 | testboth("%#o", 0, "0")\r |
| 211 | testboth("%#o", 0L, "0")\r |
| 212 | testboth("%o", 0, "0")\r |
| 213 | testboth("%o", 0L, "0")\r |
| 214 | testboth("%d", 0, "0")\r |
| 215 | testboth("%d", 0L, "0")\r |
| 216 | testboth("%#x", 0, "0x0")\r |
| 217 | testboth("%#x", 0L, "0x0")\r |
| 218 | testboth("%#X", 0, "0X0")\r |
| 219 | testboth("%#X", 0L, "0X0")\r |
| 220 | \r |
| 221 | testboth("%x", 0x42, "42")\r |
| 222 | testboth("%x", -0x42, "-42")\r |
| 223 | testboth("%x", 0x42L, "42")\r |
| 224 | testboth("%x", -0x42L, "-42")\r |
| 225 | testboth("%x", float(0x42), "42")\r |
| 226 | \r |
| 227 | testboth("%o", 042, "42")\r |
| 228 | testboth("%o", -042, "-42")\r |
| 229 | testboth("%o", 042L, "42")\r |
| 230 | testboth("%o", -042L, "-42")\r |
| 231 | testboth("%o", float(042), "42")\r |
| 232 | \r |
| 233 | # alternate float formatting\r |
| 234 | testformat('%g', 1.1, '1.1')\r |
| 235 | testformat('%#g', 1.1, '1.10000')\r |
| 236 | \r |
| 237 | # Test exception for unknown format characters\r |
| 238 | if verbose:\r |
| 239 | print 'Testing exceptions'\r |
| 240 | \r |
| 241 | def test_exc(formatstr, args, exception, excmsg):\r |
| 242 | try:\r |
| 243 | testformat(formatstr, args)\r |
| 244 | except exception, exc:\r |
| 245 | if str(exc) == excmsg:\r |
| 246 | if verbose:\r |
| 247 | print "yes"\r |
| 248 | else:\r |
| 249 | if verbose: print 'no'\r |
| 250 | print 'Unexpected ', exception, ':', repr(str(exc))\r |
| 251 | except:\r |
| 252 | if verbose: print 'no'\r |
| 253 | print 'Unexpected exception'\r |
| 254 | raise\r |
| 255 | else:\r |
| 256 | raise TestFailed, 'did not get expected exception: %s' % excmsg\r |
| 257 | \r |
| 258 | test_exc('abc %a', 1, ValueError,\r |
| 259 | "unsupported format character 'a' (0x61) at index 5")\r |
| 260 | if have_unicode:\r |
| 261 | test_exc(unicode('abc %\u3000','raw-unicode-escape'), 1, ValueError,\r |
| 262 | "unsupported format character '?' (0x3000) at index 5")\r |
| 263 | \r |
| 264 | test_exc('%d', '1', TypeError, "%d format: a number is required, not str")\r |
| 265 | test_exc('%g', '1', TypeError, "float argument required, not str")\r |
| 266 | test_exc('no format', '1', TypeError,\r |
| 267 | "not all arguments converted during string formatting")\r |
| 268 | test_exc('no format', u'1', TypeError,\r |
| 269 | "not all arguments converted during string formatting")\r |
| 270 | test_exc(u'no format', '1', TypeError,\r |
| 271 | "not all arguments converted during string formatting")\r |
| 272 | test_exc(u'no format', u'1', TypeError,\r |
| 273 | "not all arguments converted during string formatting")\r |
| 274 | \r |
| 275 | class Foobar(long):\r |
| 276 | def __oct__(self):\r |
| 277 | # Returning a non-string should not blow up.\r |
| 278 | return self + 1\r |
| 279 | \r |
| 280 | test_exc('%o', Foobar(), TypeError,\r |
| 281 | "expected string or Unicode object, long found")\r |
| 282 | \r |
| 283 | if maxsize == 2**31-1:\r |
| 284 | # crashes 2.2.1 and earlier:\r |
| 285 | try:\r |
| 286 | "%*d"%(maxsize, -127)\r |
| 287 | except MemoryError:\r |
| 288 | pass\r |
| 289 | else:\r |
| 290 | raise TestFailed, '"%*d"%(maxsize, -127) should fail'\r |
| 291 | \r |
| 292 | def test_main():\r |
| 293 | test_support.run_unittest(FormatTest)\r |
| 294 | \r |
| 295 | \r |
| 296 | if __name__ == "__main__":\r |
| 297 | unittest.main()\r |
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