https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| d50dd4e4 | 1 | #!./perl -w |
| a687059c | 2 | |
| a1a0e61e TD |
3 | BEGIN { |
| 4 | chdir 't' if -d 't'; | |
| 20822f61 | 5 | @INC = '../lib'; |
| 0b568b5f | 6 | require './test.pl'; |
| b23b8711 MS |
7 | } |
| 8 | ||
| d9db00a6 NC |
9 | # This is truth in an if statement, and could be a skip message |
| 10 | my $no_endianness = $] > 5.009 ? '' : | |
| 11 | "Endianness pack modifiers not available on this perl"; | |
| 12 | my $no_signedness = $] > 5.009 ? '' : | |
| 13 | "Signed/unsigned pack modifiers not available on this perl"; | |
| 14 | ||
| 21361d07 | 15 | plan tests => 14704; |
| 0b568b5f | 16 | |
| fa8ec7c1 | 17 | use strict; |
| bd7d4f4d | 18 | use warnings qw(FATAL all); |
| b23b8711 MS |
19 | use Config; |
| 20 | ||
| fa8ec7c1 | 21 | my $Is_EBCDIC = (defined $Config{ebcdic} && $Config{ebcdic} eq 'define'); |
| 0b568b5f | 22 | my $Perl = which_perl(); |
| 1109a392 MHM |
23 | my @valid_errors = (qr/^Invalid type '\w'/); |
| 24 | ||
| 25 | my $ByteOrder = 'unknown'; | |
| 26 | my $maybe_not_avail = '(?:hto[bl]e|[bl]etoh)'; | |
| d9db00a6 NC |
27 | if ($no_endianness) { |
| 28 | push @valid_errors, qr/^Invalid type '[<>]'/; | |
| 29 | } elsif ($Config{byteorder} =~ /^1234(?:5678)?$/) { | |
| 1109a392 MHM |
30 | $ByteOrder = 'little'; |
| 31 | $maybe_not_avail = '(?:htobe|betoh)'; | |
| 32 | } | |
| 33 | elsif ($Config{byteorder} =~ /^(?:8765)?4321$/) { | |
| 34 | $ByteOrder = 'big'; | |
| 35 | $maybe_not_avail = '(?:htole|letoh)'; | |
| 36 | } | |
| 37 | else { | |
| 38 | push @valid_errors, qr/^Can't (?:un)?pack (?:big|little)-endian .*? on this platform/; | |
| 39 | } | |
| 40 | ||
| d9db00a6 NC |
41 | if ($no_signedness) { |
| 42 | push @valid_errors, qr/^'!' allowed only after types sSiIlLxX in (?:un)?pack/; | |
| 43 | } | |
| 44 | ||
| 1109a392 | 45 | for my $size ( 16, 32, 64 ) { |
| 49fe901c | 46 | if (defined $Config{"u${size}size"} and ($Config{"u${size}size"}||0) != ($size >> 3)) { |
| 1109a392 MHM |
47 | push @valid_errors, qr/^Perl_my_$maybe_not_avail$size\(\) not available/; |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | my $IsTwosComplement = pack('i', -1) eq "\xFF" x $Config{intsize}; | |
| 52 | print "# \$IsTwosComplement = $IsTwosComplement\n"; | |
| 53 | ||
| 54 | sub is_valid_error | |
| 55 | { | |
| 56 | my $err = shift; | |
| 57 | ||
| 58 | for my $e (@valid_errors) { | |
| 59 | $err =~ $e and return 1; | |
| 60 | } | |
| 61 | ||
| 62 | return 0; | |
| 63 | } | |
| c274e827 | 64 | |
| b85d93de | 65 | sub encode_list { |
| 9e17a6b8 | 66 | my @result = map {_qq($_)} @_; |
| b85d93de NC |
67 | if (@result == 1) { |
| 68 | return @result; | |
| 69 | } | |
| 70 | return '(' . join (', ', @result) . ')'; | |
| 71 | } | |
| 72 | ||
| a1a0e61e | 73 | |
| b85d93de NC |
74 | sub list_eq ($$) { |
| 75 | my ($l, $r) = @_; | |
| c8f824eb | 76 | return 0 unless @$l == @$r; |
| b85d93de NC |
77 | for my $i (0..$#$l) { |
| 78 | if (defined $l->[$i]) { | |
| c8f824eb | 79 | return 0 unless defined ($r->[$i]) && $l->[$i] eq $r->[$i]; |
| b85d93de | 80 | } else { |
| c8f824eb | 81 | return 0 if defined $r->[$i] |
| b85d93de NC |
82 | } |
| 83 | } | |
| 84 | return 1; | |
| 85 | } | |
| 86 | ||
| 87 | ############################################################################## | |
| 88 | # | |
| 89 | # Here starteth the tests | |
| 90 | # | |
| 91 | ||
| fa8ec7c1 | 92 | { |
| 0b568b5f MS |
93 | my $format = "c2 x5 C C x s d i l a6"; |
| 94 | # Need the expression in here to force ary[5] to be numeric. This avoids | |
| 95 | # test2 failing because ary2 goes str->numeric->str and ary doesn't. | |
| 96 | my @ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456, | |
| 97 | "abcdef"); | |
| 98 | my $foo = pack($format,@ary); | |
| 99 | my @ary2 = unpack($format,$foo); | |
| 100 | ||
| 101 | is($#ary, $#ary2); | |
| 102 | ||
| 103 | my $out1=join(':',@ary); | |
| 104 | my $out2=join(':',@ary2); | |
| 105 | # Using long double NVs may introduce greater accuracy than wanted. | |
| 106 | $out1 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; | |
| 107 | $out2 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; | |
| 108 | is($out1, $out2); | |
| 109 | ||
| 110 | like($foo, qr/def/); | |
| fa8ec7c1 | 111 | } |
| 79072805 LW |
112 | # How about counting bits? |
| 113 | ||
| fa8ec7c1 | 114 | { |
| 0b568b5f MS |
115 | my $x; |
| 116 | is( ($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")), 16 ); | |
| 79072805 | 117 | |
| 0b568b5f | 118 | is( ($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")), 12 ); |
| 79072805 | 119 | |
| 0b568b5f | 120 | is( ($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")), 9 ); |
| fa8ec7c1 | 121 | } |
| 79072805 | 122 | |
| fa8ec7c1 | 123 | { |
| 0b568b5f MS |
124 | my $sum = 129; # ASCII |
| 125 | $sum = 103 if $Is_EBCDIC; | |
| 9d116dd7 | 126 | |
| 0b568b5f MS |
127 | my $x; |
| 128 | is( ($x = unpack("%32B*", "Now is the time for all good blurfl")), $sum ); | |
| 79072805 | 129 | |
| 0b568b5f MS |
130 | my $foo; |
| 131 | open(BIN, $Perl) || die "Can't open $Perl: $!\n"; | |
| bd7d4f4d | 132 | binmode BIN; |
| 0b568b5f MS |
133 | sysread BIN, $foo, 8192; |
| 134 | close BIN; | |
| 79072805 | 135 | |
| 0b568b5f MS |
136 | $sum = unpack("%32b*", $foo); |
| 137 | my $longway = unpack("b*", $foo); | |
| 138 | is( $sum, $longway =~ tr/1/1/ ); | |
| fa8ec7c1 | 139 | } |
| 73a1c01a | 140 | |
| fa8ec7c1 NC |
141 | { |
| 142 | my $x; | |
| 0b568b5f | 143 | is( ($x = unpack("I",pack("I", 0xFFFFFFFF))), 0xFFFFFFFF ); |
| fa8ec7c1 | 144 | } |
| def98dd4 | 145 | |
| fa8ec7c1 | 146 | { |
| 0b568b5f MS |
147 | # check 'w' |
| 148 | my @x = (5,130,256,560,32000,3097152,268435455,1073741844, 2**33, | |
| 149 | '4503599627365785','23728385234614992549757750638446'); | |
| 150 | my $x = pack('w*', @x); | |
| 151 | my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f8480808014A0808'. | |
| 152 | '0800087ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; | |
| 153 | ||
| 154 | is($x, $y); | |
| 155 | ||
| 156 | my @y = unpack('w*', $y); | |
| 157 | my $a; | |
| 158 | while ($a = pop @x) { | |
| 159 | my $b = pop @y; | |
| 160 | is($a, $b); | |
| 161 | } | |
| def98dd4 | 162 | |
| 0b568b5f | 163 | @y = unpack('w2', $x); |
| def98dd4 | 164 | |
| 0b568b5f MS |
165 | is(scalar(@y), 2); |
| 166 | is($y[1], 130); | |
| a6c48a57 UP |
167 | $x = pack('w*', 5000000000); $y = ''; |
| 168 | eval { | |
| 169 | use Math::BigInt; | |
| 170 | $y = pack('w*', Math::BigInt::->new(5000000000)); | |
| 171 | }; | |
| 172 | is($x, $y); | |
| 196b62db NC |
173 | |
| 174 | $x = pack 'w', ~0; | |
| 175 | $y = pack 'w', (~0).''; | |
| 176 | is($x, $y); | |
| 177 | is(unpack ('w',$x), ~0); | |
| 178 | is(unpack ('w',$y), ~0); | |
| 179 | ||
| 180 | $x = pack 'w', ~0 - 1; | |
| 181 | $y = pack 'w', (~0) - 2; | |
| 182 | ||
| 183 | if (~0 - 1 == (~0) - 2) { | |
| 184 | is($x, $y, "NV arithmetic"); | |
| 185 | } else { | |
| 186 | isnt($x, $y, "IV/NV arithmetic"); | |
| 187 | } | |
| 188 | cmp_ok(unpack ('w',$x), '==', ~0 - 1); | |
| 189 | cmp_ok(unpack ('w',$y), '==', ~0 - 2); | |
| 203d3f29 NC |
190 | |
| 191 | # These should spot that pack 'w' is using NV, not double, on platforms | |
| 192 | # where IVs are smaller than doubles, and harmlessly pass elsewhere. | |
| 193 | # (tests for change 16861) | |
| 194 | my $x0 = 2**54+3; | |
| 195 | my $y0 = 2**54-2; | |
| 196 | ||
| 197 | $x = pack 'w', $x0; | |
| 198 | $y = pack 'w', $y0; | |
| 199 | ||
| 200 | if ($x0 == $y0) { | |
| 201 | is($x, $y, "NV arithmetic"); | |
| 202 | } else { | |
| 203 | isnt($x, $y, "IV/NV arithmetic"); | |
| 204 | } | |
| 205 | cmp_ok(unpack ('w',$x), '==', $x0); | |
| 206 | cmp_ok(unpack ('w',$y), '==', $y0); | |
| fa8ec7c1 | 207 | } |
| def98dd4 | 208 | |
| 0b568b5f | 209 | |
| fa8ec7c1 | 210 | { |
| 40837afc | 211 | print "# test exceptions\n"; |
| fa8ec7c1 NC |
212 | my $x; |
| 213 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; | |
| 0b568b5f | 214 | like($@, qr/^Unterminated compressed integer/); |
| def98dd4 | 215 | |
| fa8ec7c1 | 216 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
| 0b568b5f | 217 | like($@, qr/^Unterminated compressed integer/); |
| def98dd4 | 218 | |
| fa8ec7c1 | 219 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 0b568b5f | 220 | like($@, qr/^Unterminated compressed integer/); |
| 0258719b NC |
221 | |
| 222 | eval { $x = pack 'w', -1 }; | |
| 223 | like ($@, qr/^Cannot compress negative numbers/); | |
| 224 | ||
| 225 | eval { $x = pack 'w', '1'x(1 + length ~0) . 'e0' }; | |
| 226 | like ($@, qr/^Can only compress unsigned integers/); | |
| 227 | ||
| 9391b049 NC |
228 | # Check that the warning behaviour on the modifiers !, < and > is as we |
| 229 | # expect it for this perl. | |
| 230 | my $can_endian = $no_endianness ? '' : 'sSiIlLqQjJfFdDpP'; | |
| 231 | my $can_shriek = 'sSiIlL'; | |
| efb78d13 | 232 | $can_shriek .= 'nNvV' unless $no_signedness; |
| 9391b049 | 233 | # h and H can't do either, so act as sanity checks in blead |
| efb78d13 | 234 | foreach my $base (split '', 'hHsSiIlLqQjJfFdDpPnNvV') { |
| 9391b049 NC |
235 | foreach my $mod ('', '<', '>', '!', '<!', '>!', '!<', '!>') { |
| 236 | SKIP: { | |
| 237 | # Avoid void context warnings. | |
| 238 | my $a = eval {pack "$base$mod"}; | |
| 239 | skip "pack can't $base", 1 if $@ =~ /^Invalid type '\w'/; | |
| 240 | # Which error you get when 2 would be possible seems to be emergent | |
| 241 | # behaviour of pack's format parser. | |
| 242 | ||
| 243 | my $fails_shriek = $mod =~ /!/ && index ($can_shriek, $base) == -1; | |
| 244 | my $fails_endian = $mod =~ /[<>]/ && index ($can_endian, $base) == -1; | |
| 245 | my $shriek_first = $mod =~ /^!/; | |
| 246 | ||
| 247 | if ($no_endianness and ($mod eq '<!' or $mod eq '>!')) { | |
| 248 | # The ! isn't seem as part of $base. Instead it's seen as a modifier | |
| 249 | # on > or < | |
| 250 | $fails_shriek = 1; | |
| 251 | undef $fails_endian; | |
| 252 | } elsif ($fails_shriek and $fails_endian) { | |
| 253 | if ($shriek_first) { | |
| 254 | undef $fails_endian; | |
| 255 | } | |
| 256 | } | |
| 257 | ||
| 258 | if ($fails_endian) { | |
| 259 | if ($no_endianness) { | |
| 260 | # < and > are seen as pattern letters, not modifiers | |
| 261 | like ($@, qr/^Invalid type '[<>]'/, "pack can't $base$mod"); | |
| 262 | } else { | |
| 263 | like ($@, qr/^'[<>]' allowed only after types/, | |
| 264 | "pack can't $base$mod"); | |
| 265 | } | |
| 266 | } elsif ($fails_shriek) { | |
| 267 | like ($@, qr/^'!' allowed only after types/, | |
| 268 | "pack can't $base$mod"); | |
| 269 | } else { | |
| 270 | is ($@, '', "pack can $base$mod"); | |
| 271 | } | |
| 272 | } | |
| 273 | } | |
| 274 | } | |
| 275 | ||
| d9db00a6 NC |
276 | SKIP: { |
| 277 | skip $no_endianness, 2*3 + 2*8 if $no_endianness; | |
| 278 | for my $mod (qw( ! < > )) { | |
| 279 | eval { $x = pack "a$mod", 42 }; | |
| 280 | like ($@, qr/^'$mod' allowed only after types \S+ in pack/); | |
| 1109a392 | 281 | |
| d9db00a6 NC |
282 | eval { $x = unpack "a$mod", 'x'x8 }; |
| 283 | like ($@, qr/^'$mod' allowed only after types \S+ in unpack/); | |
| 284 | } | |
| 1109a392 | 285 | |
| d9db00a6 NC |
286 | for my $mod (qw( <> >< !<> !>< <!> >!< <>! ><! )) { |
| 287 | eval { $x = pack "sI${mod}s", 42, 47, 11 }; | |
| 288 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in pack/); | |
| 1109a392 | 289 | |
| d9db00a6 NC |
290 | eval { $x = unpack "sI${mod}s", 'x'x16 }; |
| 291 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in unpack/); | |
| 292 | } | |
| 1109a392 MHM |
293 | } |
| 294 | ||
| 0258719b NC |
295 | SKIP: { |
| 296 | # Is this a stupid thing to do on VMS, VOS and other unusual platforms? | |
| 71f93cb9 | 297 | |
| b987f19e | 298 | skip("-- the IEEE infinity model is unavailable in this configuration.", 1) |
| 71f93cb9 CB |
299 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
| 300 | ||
| b987f19e | 301 | skip("-- $^O has serious fp indigestion on w-packed infinities", 1) |
| 5688dfbf JH |
302 | if ( |
| 303 | ($^O eq 'mpeix') | |
| 304 | || | |
| 305 | ($^O eq 'ultrix') | |
| 306 | || | |
| cd512f8e | 307 | ($^O =~ /^svr4/ && -f "/etc/issue" && -f "/etc/.relid") # NCR MP-RAS |
| 5688dfbf | 308 | ); |
| 8b571b32 | 309 | |
| 1109a392 | 310 | my $inf = eval '2**1000000'; |
| 0258719b | 311 | |
| b987f19e | 312 | skip("Couldn't generate infinity - got error '$@'", 1) |
| 71b080b8 | 313 | unless defined $inf and $inf == $inf / 2 and $inf + 1 == $inf; |
| 0258719b | 314 | |
| 46ff39aa PG |
315 | local our $TODO; |
| 316 | $TODO = "VOS needs a fix for posix-1022 to pass this test." | |
| 317 | if ($^O eq 'vos'); | |
| 318 | ||
| 0258719b | 319 | eval { $x = pack 'w', $inf }; |
| 46ff39aa | 320 | like ($@, qr/^Cannot compress integer/, "Cannot compress integer"); |
| 0258719b NC |
321 | } |
| 322 | ||
| 323 | SKIP: { | |
| 71f93cb9 | 324 | |
| b987f19e | 325 | skip("-- the full range of an IEEE double may not be available in this configuration.", 3) |
| 71f93cb9 CB |
326 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
| 327 | ||
| b987f19e | 328 | skip("-- $^O does not like 2**1023", 3) |
| ad415dae JH |
329 | if (($^O eq 'ultrix')); |
| 330 | ||
| 0258719b NC |
331 | # This should be about the biggest thing possible on an IEEE double |
| 332 | my $big = eval '2**1023'; | |
| 333 | ||
| b987f19e | 334 | skip("Couldn't generate 2**1023 - got error '$@'", 3) |
| 0258719b NC |
335 | unless defined $big and $big != $big / 2; |
| 336 | ||
| 337 | eval { $x = pack 'w', $big }; | |
| 338 | is ($@, '', "Should be able to pack 'w', $big # 2**1023"); | |
| 339 | ||
| 340 | my $y = eval {unpack 'w', $x}; | |
| 341 | is ($@, '', | |
| 342 | "Should be able to unpack 'w' the result of pack 'w', $big # 2**1023"); | |
| 343 | ||
| 344 | # I'm getting about 1e-16 on FreeBSD | |
| 345 | my $quotient = int (100 * ($y - $big) / $big); | |
| 346 | ok($quotient < 2 && $quotient > -2, | |
| 1109a392 | 347 | "Round trip pack, unpack 'w' of $big is within 1% ($quotient%)"); |
| 0258719b NC |
348 | } |
| 349 | ||
| fa8ec7c1 | 350 | } |
| def98dd4 | 351 | |
| 40837afc | 352 | print "# test the 'p' template\n"; |
| 84902520 TB |
353 | |
| 354 | # literals | |
| 0b568b5f | 355 | is(unpack("p",pack("p","foo")), "foo"); |
| d9db00a6 NC |
356 | SKIP: { |
| 357 | skip $no_endianness, 2 if $no_endianness; | |
| 358 | is(unpack("p<",pack("p<","foo")), "foo"); | |
| 359 | is(unpack("p>",pack("p>","foo")), "foo"); | |
| 360 | } | |
| 84902520 | 361 | # scalars |
| 0b568b5f | 362 | is(unpack("p",pack("p",239)), 239); |
| d9db00a6 NC |
363 | SKIP: { |
| 364 | skip $no_endianness, 2 if $no_endianness; | |
| 365 | is(unpack("p<",pack("p<",239)), 239); | |
| 366 | is(unpack("p>",pack("p>",239)), 239); | |
| 367 | } | |
| 84902520 TB |
368 | |
| 369 | # temps | |
| 370 | sub foo { my $a = "a"; return $a . $a++ . $a++ } | |
| 371 | { | |
| bd7d4f4d | 372 | use warnings qw(NONFATAL all);; |
| 0b568b5f | 373 | my $warning; |
| 84902520 | 374 | local $SIG{__WARN__} = sub { |
| 0b568b5f | 375 | $warning = $_[0]; |
| 84902520 TB |
376 | }; |
| 377 | my $junk = pack("p", &foo); | |
| 0b568b5f MS |
378 | |
| 379 | like($warning, qr/temporary val/); | |
| 84902520 TB |
380 | } |
| 381 | ||
| 382 | # undef should give null pointer | |
| 1109a392 | 383 | like(pack("p", undef), qr/^\0+$/); |
| d9db00a6 NC |
384 | SKIP: { |
| 385 | skip $no_endianness, 2 if $no_endianness; | |
| 386 | like(pack("p<", undef), qr/^\0+$/); | |
| 387 | like(pack("p>", undef), qr/^\0+$/); | |
| 388 | } | |
| 84902520 | 389 | |
| 20408e3c GS |
390 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
| 391 | # 4294967295 instead of -1) | |
| 392 | # see #ifdef __osf__ in pp.c pp_unpack | |
| 0b568b5f | 393 | is((unpack("i",pack("i",-1))), -1); |
| 20408e3c | 394 | |
| 1109a392 MHM |
395 | print "# test the pack lengths of s S i I l L n N v V + modifiers\n"; |
| 396 | ||
| 397 | my @lengths = ( | |
| 398 | qw(s 2 S 2 i -4 I -4 l 4 L 4 n 2 N 4 v 2 V 4 n! 2 N! 4 v! 2 V! 4), | |
| 399 | 's!' => $Config{shortsize}, 'S!' => $Config{shortsize}, | |
| 400 | 'i!' => $Config{intsize}, 'I!' => $Config{intsize}, | |
| 401 | 'l!' => $Config{longsize}, 'L!' => $Config{longsize}, | |
| 402 | ); | |
| 403 | ||
| 404 | while (my ($base, $expect) = splice @lengths, 0, 2) { | |
| 405 | my @formats = ($base); | |
| 406 | $base =~ /^[nv]/i or push @formats, "$base>", "$base<"; | |
| 407 | for my $format (@formats) { | |
| d9db00a6 NC |
408 | SKIP: { |
| 409 | skip $no_endianness, 1 if $no_endianness && $format =~ m/[<>]/; | |
| 410 | skip $no_signedness, 1 if $no_signedness && $format =~ /[nNvV]!/; | |
| 411 | my $len = length(pack($format, 0)); | |
| 412 | if ($expect > 0) { | |
| 413 | is($expect, $len, "format '$format'"); | |
| 414 | } else { | |
| 415 | $expect = -$expect; | |
| 416 | ok ($len >= $expect, "format '$format'") || | |
| 417 | print "# format '$format' has length $len, expected >= $expect\n"; | |
| 418 | } | |
| 1109a392 | 419 | } |
| fa8ec7c1 NC |
420 | } |
| 421 | } | |
| d4217c7e | 422 | |
| d4217c7e | 423 | |
| 40837afc NC |
424 | print "# test unpack-pack lengths\n"; |
| 425 | ||
| f337b084 | 426 | my @templates = qw(c C W i I s S l L n N v V f d q Q); |
| d4217c7e | 427 | |
| 1109a392 MHM |
428 | foreach my $base (@templates) { |
| 429 | my @tmpl = ($base); | |
| f337b084 | 430 | $base =~ /^[cwnv]/i or push @tmpl, "$base>", "$base<"; |
| 1109a392 MHM |
431 | foreach my $t (@tmpl) { |
| 432 | SKIP: { | |
| 433 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; | |
| 0b568b5f | 434 | |
| 1109a392 MHM |
435 | skip "cannot pack '$t' on this perl", 4 |
| 436 | if is_valid_error($@); | |
| 3020ec7a | 437 | |
| 86704b5f | 438 | is( $@, '', "Template $t works"); |
| 1109a392 | 439 | is(scalar @t, 2); |
| 3020ec7a | 440 | |
| 0b568b5f MS |
441 | is($t[0], 12); |
| 442 | is($t[1], 34); | |
| 443 | } | |
| 0b568b5f | 444 | } |
| d4217c7e | 445 | } |
| 9d116dd7 | 446 | |
| fa8ec7c1 | 447 | { |
| 0b568b5f | 448 | # uuencode/decode |
| 9d116dd7 | 449 | |
| 0b568b5f MS |
450 | # Note that first uuencoding known 'text' data and then checking the |
| 451 | # binary values of the uuencoded version would not be portable between | |
| 452 | # character sets. Uuencoding is meant for encoding binary data, not | |
| 453 | # text data. | |
| c4d5f83a | 454 | |
| 0b568b5f | 455 | my $in = pack 'C*', 0 .. 255; |
| ba1ac976 | 456 | |
| 0b568b5f MS |
457 | # just to be anal, we do some random tr/`/ / |
| 458 | my $uu = <<'EOUU'; | |
| ba1ac976 | 459 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
| 9d116dd7 JH |
460 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
| 461 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& | |
| 462 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S | |
| 463 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ | |
| ba1ac976 | 464 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
| 9d116dd7 JH |
465 | EOUU |
| 466 | ||
| 0b568b5f MS |
467 | $_ = $uu; |
| 468 | tr/ /`/; | |
| 9d116dd7 | 469 | |
| 0b568b5f | 470 | is(pack('u', $in), $_); |
| fa8ec7c1 | 471 | |
| 0b568b5f | 472 | is(unpack('u', $uu), $in); |
| 9d116dd7 | 473 | |
| 0b568b5f MS |
474 | $in = "\x1f\x8b\x08\x08\x58\xdc\xc4\x35\x02\x03\x4a\x41\x50\x55\x00\xf3\x2a\x2d\x2e\x51\x48\xcc\xcb\x2f\xc9\x48\x2d\x52\x08\x48\x2d\xca\x51\x28\x2d\x4d\xce\x4f\x49\x2d\xe2\x02\x00\x64\x66\x60\x5c\x1a\x00\x00\x00"; |
| 475 | $uu = <<'EOUU'; | |
| eddc390b JH |
476 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
| 477 | &8%P:```` | |
| 478 | EOUU | |
| 479 | ||
| 0b568b5f | 480 | is(unpack('u', $uu), $in); |
| eddc390b | 481 | |
| 0b568b5f MS |
482 | # This is identical to the above except that backquotes have been |
| 483 | # changed to spaces | |
| eddc390b | 484 | |
| 0b568b5f | 485 | $uu = <<'EOUU'; |
| eddc390b | 486 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
| c4d5f83a | 487 | &8%P: |
| eddc390b JH |
488 | EOUU |
| 489 | ||
| 0b568b5f MS |
490 | # ' # Grr |
| 491 | is(unpack('u', $uu), $in); | |
| ef54e1a4 | 492 | |
| d99ad34e | 493 | } |
| 726ea183 | 494 | |
| 0b568b5f | 495 | # test the ascii template types (A, a, Z) |
| 726ea183 | 496 | |
| fa8ec7c1 | 497 | foreach ( |
| 0b568b5f | 498 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
| fa8ec7c1 | 499 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
| 0b568b5f MS |
500 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
| 501 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], | |
| 502 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], | |
| fa8ec7c1 | 503 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
| 0b568b5f MS |
504 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
| 505 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], | |
| 506 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], | |
| fa8ec7c1 | 507 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
| 0b568b5f MS |
508 | ['p', 'Z3', "foo", "fo\0"], |
| 509 | ['u', 'Z*', "foo\0bar \0", "foo"], | |
| 510 | ['u', 'Z8', "foo\0bar \0", "foo"], | |
| 28be1210 | 511 | ) |
| 0b568b5f MS |
512 | { |
| 513 | my ($what, $template, $in, $out) = @$_; | |
| 514 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); | |
| 515 | unless (is($got, $out)) { | |
| 0b568b5f | 516 | my $un = $what eq 'u' ? 'un' : ''; |
| 9e17a6b8 NC |
517 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
| 518 | ' not '._qq($got)."\n"; | |
| 0b568b5f | 519 | } |
| d99ad34e | 520 | } |
| 726ea183 | 521 | |
| 40837afc | 522 | print "# packing native shorts/ints/longs\n"; |
| 726ea183 | 523 | |
| 0b568b5f MS |
524 | is(length(pack("s!", 0)), $Config{shortsize}); |
| 525 | is(length(pack("i!", 0)), $Config{intsize}); | |
| 526 | is(length(pack("l!", 0)), $Config{longsize}); | |
| 527 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); | |
| 528 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); | |
| 529 | is(length(pack("i!", 0)), length(pack("i", 0))); | |
| 726ea183 | 530 | |
| fa8ec7c1 | 531 | sub numbers { |
| 1109a392 MHM |
532 | my $base = shift; |
| 533 | my @formats = ($base); | |
| 534 | $base =~ /^[silqjfdp]/i and push @formats, "$base>", "$base<"; | |
| 535 | for my $format (@formats) { | |
| 536 | numbers_with_total ($format, undef, @_); | |
| 537 | } | |
| d99ad34e | 538 | } |
| 726ea183 | 539 | |
| fa8ec7c1 NC |
540 | sub numbers_with_total { |
| 541 | my $format = shift; | |
| 542 | my $total = shift; | |
| 543 | if (!defined $total) { | |
| 544 | foreach (@_) { | |
| 545 | $total += $_; | |
| 546 | } | |
| 547 | } | |
| 40837afc | 548 | print "# numbers test for $format\n"; |
| fa8ec7c1 | 549 | foreach (@_) { |
| 0b568b5f MS |
550 | SKIP: { |
| 551 | my $out = eval {unpack($format, pack($format, $_))}; | |
| 1109a392 MHM |
552 | skip "cannot pack '$format' on this perl", 2 |
| 553 | if is_valid_error($@); | |
| 0b568b5f | 554 | |
| 96b96e00 NC |
555 | is($@, '', "no error"); |
| 556 | is($out, $_, "unpack pack $format $_"); | |
| fa8ec7c1 | 557 | } |
| fa8ec7c1 | 558 | } |
| 726ea183 | 559 | |
| fa8ec7c1 NC |
560 | my $skip_if_longer_than = ~0; # "Infinity" |
| 561 | if (~0 - 1 == ~0) { | |
| 562 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all | |
| 563 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't | |
| 564 | # correctly in perl calculate UV totals for long checksums, as pp_unpack | |
| 565 | # is using UV maths, and we've only got NVs. | |
| 53133ed1 | 566 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
| fa8ec7c1 | 567 | } |
| 726ea183 | 568 | |
| fa8ec7c1 | 569 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
| 0b568b5f MS |
570 | SKIP: { |
| 571 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; | |
| 572 | skip "cannot pack '$format' on this perl", 3 | |
| 1109a392 | 573 | if is_valid_error($@); |
| 0b568b5f | 574 | |
| 96b96e00 NC |
575 | is($@, '', "no error"); |
| 576 | ok(defined $sum, "sum bits $_, format $format defined"); | |
| 0b568b5f MS |
577 | |
| 578 | my $len = $_; # Copy, so that we can reassign '' | |
| 579 | $len = 16 unless length $len; | |
| 580 | ||
| 581 | SKIP: { | |
| 582 | skip "cannot test checksums over $skip_if_longer_than bits", 1 | |
| 583 | if $len > $skip_if_longer_than; | |
| 584 | ||
| 585 | # Our problem with testing this portably is that the checksum code in | |
| 586 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n | |
| 587 | # arithmetic in unsigned ints, which perl has no operators to do. | |
| 588 | # (use integer; does signed ints, which won't wrap on UTS, which is just | |
| 589 | # fine with ANSI, but not with most people's assumptions. | |
| 590 | # This is why we need to supply the totals for 'Q' as there's no way in | |
| 591 | # perl to calculate them, short of unpack '%0Q' (is that documented?) | |
| 592 | # ** returns NVs; make sure it's IV. | |
| 593 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum | |
| 594 | my $max_p1 = $max + 1; | |
| 595 | my ($max_is_integer, $max_p1_is_integer); | |
| 596 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; | |
| 597 | $max_is_integer = 1 if $max - 1 < ~0; | |
| 598 | ||
| 599 | my $calc_sum; | |
| 600 | if (ref $total) { | |
| 601 | $calc_sum = &$total($len); | |
| 602 | } else { | |
| 603 | $calc_sum = $total; | |
| 604 | # Shift into range by some multiple of the total | |
| 53f3fd80 | 605 | my $mult = $max_p1 ? int ($total / $max_p1) : undef; |
| 0b568b5f MS |
606 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
| 607 | $calc_sum = $total - $mult; | |
| 608 | $calc_sum -= $mult * $max; | |
| 609 | if ($calc_sum < 0) { | |
| 610 | $calc_sum += 1; | |
| 611 | $calc_sum += $max; | |
| 612 | } | |
| 613 | } | |
| 614 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { | |
| 615 | # we're into floating point (either by getting out of the range of | |
| 28be1210 | 616 | # UV arithmetic, or because we're doing a floating point checksum) |
| 0b568b5f MS |
617 | # and our calculation of the checksum has become rounded up to |
| 618 | # max_checksum + 1 | |
| 619 | $calc_sum = 0; | |
| 620 | } | |
| 621 | ||
| 0dccb3d1 | 622 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
| 96b96e00 | 623 | pass ("unpack '%$_$format' gave $sum"); |
| 0b568b5f MS |
624 | } else { |
| 625 | my $delta = 1.000001; | |
| 626 | if ($format =~ tr /dDfF// | |
| 627 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { | |
| 0dccb3d1 | 628 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
| 0b568b5f MS |
629 | } else { |
| 630 | my $text = ref $total ? &$total($len) : $total; | |
| 631 | fail; | |
| 632 | print "# For list (" . join (", ", @_) . ") (total $text)" | |
| 633 | . " packed with $format unpack '%$_$format' gave $sum," | |
| 634 | . " expected $calc_sum\n"; | |
| 635 | } | |
| 636 | } | |
| fa8ec7c1 | 637 | } |
| 96b96e00 | 638 | } |
| 2e821511 NC |
639 | } |
| 640 | } | |
| 641 | ||
| fa8ec7c1 NC |
642 | numbers ('c', -128, -1, 0, 1, 127); |
| 643 | numbers ('C', 0, 1, 127, 128, 255); | |
| f337b084 | 644 | numbers ('W', 0, 1, 127, 128, 255, 256, 0x7ff, 0x800, 0xfffd); |
| fa8ec7c1 NC |
645 | numbers ('s', -32768, -1, 0, 1, 32767); |
| 646 | numbers ('S', 0, 1, 32767, 32768, 65535); | |
| 647 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); | |
| 648 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 649 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); | |
| 650 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 651 | numbers ('s!', -32768, -1, 0, 1, 32767); | |
| 652 | numbers ('S!', 0, 1, 32767, 32768, 65535); | |
| 653 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); | |
| 654 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 655 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); | |
| 656 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 657 | numbers ('n', 0, 1, 32767, 32768, 65535); | |
| 658 | numbers ('v', 0, 1, 32767, 32768, 65535); | |
| 659 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 660 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 068bd2e7 MHM |
661 | numbers ('n!', -32768, -1, 0, 1, 32767); |
| 662 | numbers ('v!', -32768, -1, 0, 1, 32767); | |
| 663 | numbers ('N!', -2147483648, -1, 0, 1, 2147483647); | |
| 664 | numbers ('V!', -2147483648, -1, 0, 1, 2147483647); | |
| fa8ec7c1 NC |
665 | # All these should have exact binary representations: |
| 666 | numbers ('f', -1, 0, 0.5, 42, 2**34); | |
| b85d93de NC |
667 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
| 668 | ## These don't, but 'd' is NV. XXX wrong, it's double | |
| 669 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); | |
| fa8ec7c1 NC |
670 | |
| 671 | numbers_with_total ('q', -1, | |
| 672 | -9223372036854775808, -1, 0, 1,9223372036854775807); | |
| 800e6488 | 673 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
| 93f09d7b | 674 | # the expected checksum on any system including those where NVs can preserve |
| 800e6488 JH |
675 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
| 676 | # or where rounding is down not up on binary conversion (crays) | |
| 677 | numbers_with_total ('Q', sub { | |
| 678 | my $len = shift; | |
| 679 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here | |
| 680 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); | |
| 681 | return 0 if $total == $total - 1; # Overflowed integers | |
| 682 | return $total; # NVs still accurate to nearest integer | |
| 683 | }, | |
| fa8ec7c1 NC |
684 | 0, 1,9223372036854775807, 9223372036854775808, |
| 685 | 18446744073709551615); | |
| 686 | ||
| 40837afc | 687 | print "# pack nvNV byteorders\n"; |
| fa8ec7c1 | 688 | |
| 0b568b5f MS |
689 | is(pack("n", 0xdead), "\xde\xad"); |
| 690 | is(pack("v", 0xdead), "\xad\xde"); | |
| 691 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); | |
| 692 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); | |
| 43192e07 | 693 | |
| d9db00a6 NC |
694 | SKIP: { |
| 695 | skip $no_signedness, 4 if $no_signedness; | |
| 696 | is(pack("n!", 0xdead), "\xde\xad"); | |
| 697 | is(pack("v!", 0xdead), "\xad\xde"); | |
| 698 | is(pack("N!", 0xdeadbeef), "\xde\xad\xbe\xef"); | |
| 699 | is(pack("V!", 0xdeadbeef), "\xef\xbe\xad\xde"); | |
| 700 | } | |
| 068bd2e7 | 701 | |
| 1109a392 MHM |
702 | print "# test big-/little-endian conversion\n"; |
| 703 | ||
| 704 | sub byteorder | |
| 705 | { | |
| 706 | my $format = shift; | |
| 707 | print "# byteorder test for $format\n"; | |
| 708 | for my $value (@_) { | |
| 709 | SKIP: { | |
| 710 | my($nat,$be,$le) = eval { map { pack $format.$_, $value } '', '>', '<' }; | |
| 711 | skip "cannot pack '$format' on this perl", 5 | |
| 712 | if is_valid_error($@); | |
| 713 | ||
| 90d0f5d9 RGS |
714 | { |
| 715 | use warnings qw(NONFATAL utf8); | |
| 716 | print "# [$value][$nat][$be][$le][$@]\n"; | |
| 717 | } | |
| 1109a392 MHM |
718 | |
| 719 | SKIP: { | |
| 720 | skip "cannot compare native byteorder with big-/little-endian", 1 | |
| 721 | if $ByteOrder eq 'unknown'; | |
| 722 | ||
| 723 | is($nat, $ByteOrder eq 'big' ? $be : $le); | |
| 724 | } | |
| 725 | is($be, reverse($le)); | |
| 726 | my @x = eval { unpack "$format$format>$format<", $nat.$be.$le }; | |
| 727 | ||
| 728 | print "# [$value][", join('][', @x), "][$@]\n"; | |
| 729 | ||
| 730 | is($@, ''); | |
| 731 | is($x[0], $x[1]); | |
| 732 | is($x[0], $x[2]); | |
| 733 | } | |
| 734 | } | |
| 735 | } | |
| 736 | ||
| 737 | byteorder('s', -32768, -1, 0, 1, 32767); | |
| 738 | byteorder('S', 0, 1, 32767, 32768, 65535); | |
| 739 | byteorder('i', -2147483648, -1, 0, 1, 2147483647); | |
| 740 | byteorder('I', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 741 | byteorder('l', -2147483648, -1, 0, 1, 2147483647); | |
| 742 | byteorder('L', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 743 | byteorder('j', -2147483648, -1, 0, 1, 2147483647); | |
| 744 | byteorder('J', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 745 | byteorder('s!', -32768, -1, 0, 1, 32767); | |
| 746 | byteorder('S!', 0, 1, 32767, 32768, 65535); | |
| 747 | byteorder('i!', -2147483648, -1, 0, 1, 2147483647); | |
| 748 | byteorder('I!', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 749 | byteorder('l!', -2147483648, -1, 0, 1, 2147483647); | |
| 750 | byteorder('L!', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 751 | byteorder('q', -9223372036854775808, -1, 0, 1, 9223372036854775807); | |
| 752 | byteorder('Q', 0, 1, 9223372036854775807, 9223372036854775808, 18446744073709551615); | |
| 753 | byteorder('f', -1, 0, 0.5, 42, 2**34); | |
| 754 | byteorder('F', -1, 0, 0.5, 42, 2**34); | |
| 755 | byteorder('d', -(2**34), -1, 0, 1, 2**34); | |
| 756 | byteorder('D', -(2**34), -1, 0, 1, 2**34); | |
| 757 | ||
| 758 | print "# test negative numbers\n"; | |
| 759 | ||
| 760 | SKIP: { | |
| 761 | skip "platform is not using two's complement for negative integers", 120 | |
| 762 | unless $IsTwosComplement; | |
| 763 | ||
| 764 | for my $format (qw(s i l j s! i! l! q)) { | |
| 765 | SKIP: { | |
| 766 | my($nat,$be,$le) = eval { map { pack $format.$_, -1 } '', '>', '<' }; | |
| 767 | skip "cannot pack '$format' on this perl", 15 | |
| 768 | if is_valid_error($@); | |
| 769 | ||
| 770 | my $len = length $nat; | |
| 771 | is($_, "\xFF"x$len) for $nat, $be, $le; | |
| 772 | ||
| 773 | my(@val,@ref); | |
| 774 | if ($len >= 8) { | |
| 775 | @val = (-2, -81985529216486896, -9223372036854775808); | |
| 776 | @ref = ("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", | |
| 777 | "\xFE\xDC\xBA\x98\x76\x54\x32\x10", | |
| 778 | "\x80\x00\x00\x00\x00\x00\x00\x00"); | |
| 779 | } | |
| 780 | elsif ($len >= 4) { | |
| 781 | @val = (-2, -19088744, -2147483648); | |
| 782 | @ref = ("\xFF\xFF\xFF\xFE", | |
| 783 | "\xFE\xDC\xBA\x98", | |
| 784 | "\x80\x00\x00\x00"); | |
| 785 | } | |
| 786 | else { | |
| 787 | @val = (-2, -292, -32768); | |
| 788 | @ref = ("\xFF\xFE", | |
| 789 | "\xFE\xDC", | |
| 790 | "\x80\x00"); | |
| 791 | } | |
| 792 | for my $x (@ref) { | |
| 793 | if ($len > length $x) { | |
| 794 | $x = $x . "\xFF" x ($len - length $x); | |
| 795 | } | |
| 796 | } | |
| 797 | ||
| 798 | for my $i (0 .. $#val) { | |
| 799 | my($nat,$be,$le) = eval { map { pack $format.$_, $val[$i] } '', '>', '<' }; | |
| 800 | is($@, ''); | |
| 801 | ||
| 802 | SKIP: { | |
| 803 | skip "cannot compare native byteorder with big-/little-endian", 1 | |
| 804 | if $ByteOrder eq 'unknown'; | |
| 805 | ||
| 806 | is($nat, $ByteOrder eq 'big' ? $be : $le); | |
| 807 | } | |
| 808 | ||
| 809 | is($be, $ref[$i]); | |
| 810 | is($be, reverse($le)); | |
| 811 | } | |
| 812 | } | |
| 813 | } | |
| 814 | } | |
| 815 | ||
| fa8ec7c1 NC |
816 | { |
| 817 | # / | |
| 818 | ||
| 21361d07 | 819 | my ($x, $y, $z, @a); |
| fa8ec7c1 | 820 | eval { ($x) = unpack '/a*','hello' }; |
| 49704364 | 821 | like($@, qr!'/' must follow a numeric type!); |
| 72b034c3 NC |
822 | undef $x; |
| 823 | eval { $x = unpack '/a*','hello' }; | |
| 49704364 | 824 | like($@, qr!'/' must follow a numeric type!); |
| 0b568b5f | 825 | |
| 21361d07 MHM |
826 | # [perl #60204] Unhelpful error message from unpack |
| 827 | eval { @a = unpack 'v/a*','h' }; | |
| 828 | is($@, ''); | |
| 829 | is(scalar @a, 0); | |
| 830 | eval { $x = unpack 'v/a*','h' }; | |
| 831 | is($@, ''); | |
| 832 | is($x, undef); | |
| 833 | ||
| 72b034c3 | 834 | undef $x; |
| fa8ec7c1 | 835 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
| 0b568b5f MS |
836 | is($@, ''); |
| 837 | is($z, 'ok'); | |
| 838 | is($x, 'yes'); | |
| 839 | is($y, 'z'); | |
| 72b034c3 NC |
840 | undef $z; |
| 841 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; | |
| 842 | is($@, ''); | |
| 843 | is($z, 'ok'); | |
| 844 | ||
| fa8ec7c1 | 845 | |
| 72b034c3 | 846 | undef $x; |
| fa8ec7c1 | 847 | eval { ($x) = pack '/a*','hello' }; |
| 49704364 | 848 | like($@, qr!Invalid type '/'!); |
| 72b034c3 NC |
849 | undef $x; |
| 850 | eval { $x = pack '/a*','hello' }; | |
| 49704364 | 851 | like($@, qr!Invalid type '/'!); |
| fa8ec7c1 NC |
852 | |
| 853 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; | |
| 854 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; | |
| 0b568b5f | 855 | is($z, $expect); |
| 4b5b2118 | 856 | |
| 72b034c3 | 857 | undef $x; |
| b85d93de NC |
858 | $expect = 'hello world'; |
| 859 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; | |
| 0b568b5f MS |
860 | is($x, $expect); |
| 861 | is($@, ''); | |
| 862 | ||
| 72b034c3 | 863 | undef $x; |
| b85d93de NC |
864 | # Doing this in scalar context used to fail. |
| 865 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; | |
| 0b568b5f MS |
866 | is($@, ''); |
| 867 | is($x, $expect); | |
| b85d93de | 868 | |
| fa8ec7c1 | 869 | foreach ( |
| 0b568b5f MS |
870 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
| 871 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], | |
| 872 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], | |
| 28be1210 | 873 | ) |
| 0b568b5f | 874 | { |
| fa8ec7c1 | 875 | my ($pat, $in, $expect) = @$_; |
| 72b034c3 | 876 | undef $x; |
| fa8ec7c1 | 877 | eval { ($x) = unpack $pat, $in }; |
| 0b568b5f | 878 | is($@, ''); |
| 28be1210 | 879 | is($x, $expect) || |
| 0b568b5f MS |
880 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
| 881 | encode_list ($x); | |
| 882 | ||
| 72b034c3 | 883 | undef $x; |
| b85d93de | 884 | eval { $x = unpack $pat, $in }; |
| 0b568b5f MS |
885 | is($@, ''); |
| 886 | is($x, $expect) || | |
| 887 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", | |
| 888 | encode_list ($x); | |
| fa8ec7c1 | 889 | } |
| 4b5b2118 | 890 | |
| 0b568b5f | 891 | # / with # |
| 17f4a12d | 892 | |
| 72b034c3 | 893 | my $pattern = <<'EOU'; |
| 17f4a12d IZ |
894 | a3/A # Count in ASCII |
| 895 | C/a* # Count in a C char | |
| 896 | C/Z # Count in a C char but skip after \0 | |
| 897 | EOU | |
| 17f4a12d | 898 | |
| 72b034c3 NC |
899 | $x = $y = $z =undef; |
| 900 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; | |
| 0b568b5f MS |
901 | is($@, ''); |
| 902 | is($z, 'ok'); | |
| 903 | is($x, 'yes'); | |
| 904 | is($y, 'z'); | |
| 72b034c3 NC |
905 | undef $x; |
| 906 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; | |
| 907 | is($@, ''); | |
| 908 | is($z, 'ok'); | |
| 0b568b5f | 909 | |
| 72b034c3 | 910 | $pattern = <<'EOP'; |
| 17f4a12d IZ |
911 | n/a* # Count as network short |
| 912 | w/A* # Count a BER integer | |
| 913 | EOP | |
| fa8ec7c1 | 914 | $expect = "\000\006string\003etc"; |
| 72b034c3 | 915 | $z = pack $pattern,'string','etc'; |
| 9e17a6b8 | 916 | is($z, $expect); |
| fa8ec7c1 NC |
917 | } |
| 918 | ||
| 60a99fa7 JH |
919 | |
| 920 | SKIP: { | |
| 921 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; | |
| 922 | ||
| 923 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); | |
| 924 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); | |
| 925 | } | |
| 0b568b5f | 926 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
| fa8ec7c1 | 927 | |
| 0b568b5f | 928 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
| 1651fc44 | 929 | is(join(" ", unpack("U0 C*", chr(0x1e2))), $rslt); |
| fa8ec7c1 NC |
930 | |
| 931 | # does pack U create Unicode? | |
| 0b568b5f | 932 | is(ord(pack('U', 300)), 300); |
| fa8ec7c1 NC |
933 | |
| 934 | # does unpack U deref Unicode? | |
| 0b568b5f | 935 | is((unpack('U', chr(300)))[0], 300); |
| fa8ec7c1 NC |
936 | |
| 937 | # is unpack U the reverse of pack U for Unicode string? | |
| 0b568b5f | 938 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
| fa8ec7c1 NC |
939 | |
| 940 | # is unpack U the reverse of pack U for byte string? | |
| 0b568b5f MS |
941 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
| 942 | ||
| 943 | ||
| 944 | SKIP: { | |
| 945 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; | |
| fa8ec7c1 | 946 | |
| 7eed2ccc | 947 | # does pack U0C create Unicode? |
| 0b568b5f | 948 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
| fa8ec7c1 | 949 | |
| 7eed2ccc | 950 | # does pack C0U create characters? |
| 0b568b5f | 951 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
| fa8ec7c1 | 952 | |
| 2dcec3fe JH |
953 | # does unpack U0U on byte data warn? |
| 954 | { | |
| bd7d4f4d NC |
955 | use warnings qw(NONFATAL all);; |
| 956 | ||
| 08ca2aa3 | 957 | my $bad = pack("U0C", 255); |
| 2dcec3fe | 958 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
| 08ca2aa3 | 959 | my @null = unpack('U0U', $bad); |
| 1109a392 | 960 | like($@, qr/^Malformed UTF-8 character /); |
| 2dcec3fe | 961 | } |
| 35bcd338 JH |
962 | } |
| 963 | ||
| fa8ec7c1 NC |
964 | { |
| 965 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; | |
| 966 | my (@a); | |
| 967 | # bug - % had to be at the start of the pattern, no leading whitespace or | |
| 968 | # comments. %i! didn't work at all. | |
| 969 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', | |
| 970 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { | |
| 971 | @a = unpack $pat, $p; | |
| 0b568b5f | 972 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
| fa8ec7c1 | 973 | @a = scalar unpack $pat, $p; |
| 0b568b5f | 974 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
| fa8ec7c1 NC |
975 | } |
| 976 | ||
| 977 | ||
| 978 | $p = pack 'I*', 42, 12; | |
| 979 | # Multiline patterns in scalar context failed. | |
| 980 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { | |
| 981 | # On the Ning Nang Nong | |
| 982 | # Where the Cows go Bong! | |
| 983 | # And the Monkeys all say Boo! | |
| 984 | I | |
| 985 | EOPOEMSNIPPET | |
| 0b568b5f MS |
986 | @a = unpack $pat, $p; |
| 987 | is(scalar @a, 1); | |
| 988 | is($a[0], 42); | |
| 989 | @a = scalar unpack $pat, $p; | |
| 990 | is(scalar @a, 1); | |
| 991 | is($a[0], 42); | |
| 992 | } | |
| fa8ec7c1 NC |
993 | |
| 994 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating | |
| 995 | # point, so a pathologically long pattern would wrap at 32 bits. | |
| 996 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. | |
| 997 | foreach (4,3,2,1,0) { | |
| 998 | my $len = 65534 + $_; | |
| 0b568b5f | 999 | is(unpack ("%33n$len", $pat), 65535 * $len); |
| fa8ec7c1 NC |
1000 | } |
| 1001 | } | |
| b85d93de NC |
1002 | |
| 1003 | ||
| 1004 | # pack x X @ | |
| 1005 | foreach ( | |
| 0b568b5f MS |
1006 | ['x', "N", "\0"], |
| 1007 | ['x4', "N", "\0"x4], | |
| 1008 | ['xX', "N", ""], | |
| 1009 | ['xXa*', "Nick", "Nick"], | |
| 1010 | ['a5Xa5', "cameL", "llama", "camellama"], | |
| 1011 | ['@4', 'N', "\0"x4], | |
| 1012 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], | |
| 1013 | ['a*@4a', 'Perl rules', '!', 'Perl!'], | |
| 28be1210 | 1014 | ) |
| 0b568b5f | 1015 | { |
| b85d93de NC |
1016 | my ($template, @in) = @$_; |
| 1017 | my $out = pop @in; | |
| 1018 | my $got = eval {pack $template, @in}; | |
| 0b568b5f MS |
1019 | is($@, ''); |
| 1020 | is($out, $got) || | |
| 1021 | printf "# pack ('$template', %s) gave %s expected %s\n", | |
| 1022 | encode_list (@in), encode_list ($got), encode_list ($out); | |
| b85d93de NC |
1023 | } |
| 1024 | ||
| 1025 | # unpack x X @ | |
| 1026 | foreach ( | |
| 0b568b5f MS |
1027 | ['x', "N"], |
| 1028 | ['xX', "N"], | |
| 1029 | ['xXa*', "Nick", "Nick"], | |
| 1030 | ['a5Xa5', "camellama", "camel", "llama"], | |
| 1031 | ['@3', "ice"], | |
| 1032 | ['@2a2', "water", "te"], | |
| 1033 | ['a*@1a3', "steam", "steam", "tea"], | |
| 28be1210 | 1034 | ) |
| 0b568b5f | 1035 | { |
| b85d93de NC |
1036 | my ($template, $in, @out) = @$_; |
| 1037 | my @got = eval {unpack $template, $in}; | |
| 0b568b5f | 1038 | is($@, ''); |
| c8f824eb | 1039 | ok (list_eq (\@got, \@out)) || |
| 9e17a6b8 NC |
1040 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
| 1041 | _qq($in), encode_list (@got), encode_list (@out); | |
| b85d93de NC |
1042 | |
| 1043 | my $got = eval {unpack $template, $in}; | |
| 0b568b5f MS |
1044 | is($@, ''); |
| 1045 | @out ? is( $got, $out[0] ) # 1 or more items; should get first | |
| 1046 | : ok( !defined $got ) # 0 items; should get undef | |
| 9e17a6b8 NC |
1047 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
| 1048 | _qq($in), encode_list ($got), encode_list ($out[0]); | |
| b85d93de | 1049 | } |
| d50dd4e4 JH |
1050 | |
| 1051 | { | |
| d50dd4e4 JH |
1052 | my $t = 'Z*Z*'; |
| 1053 | my ($u, $v) = qw(foo xyzzy); | |
| 1054 | my $p = pack($t, $u, $v); | |
| 1055 | my @u = unpack($t, $p); | |
| 0b568b5f MS |
1056 | is(scalar @u, 2); |
| 1057 | is($u[0], $u); | |
| 1058 | is($u[1], $v); | |
| d50dd4e4 | 1059 | } |
| bf80f5a2 JH |
1060 | |
| 1061 | { | |
| 0b568b5f | 1062 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
| bf80f5a2 | 1063 | |
| 0b568b5f | 1064 | # "w/a*" should be seen as one unit |
| bf80f5a2 | 1065 | |
| 0b568b5f | 1066 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
| bf80f5a2 | 1067 | } |
| b81060d6 | 1068 | |
| d9db00a6 | 1069 | SKIP: { |
| 66c611c5 MHM |
1070 | print "# group modifiers\n"; |
| 1071 | ||
| d9db00a6 NC |
1072 | skip $no_endianness, 3 * 2 + 3 * 2 + 1 if $no_endianness; |
| 1073 | ||
| 66c611c5 MHM |
1074 | for my $t (qw{ (s<)< (sl>s)> (s(l(sl)<l)s)< }) { |
| 1075 | print "# testing pattern '$t'\n"; | |
| 1076 | eval { ($_) = unpack($t, 'x'x18); }; | |
| 1077 | is($@, ''); | |
| 1078 | eval { $_ = pack($t, (0)x6); }; | |
| 1079 | is($@, ''); | |
| 1080 | } | |
| 1081 | ||
| 1082 | for my $t (qw{ (s<)> (sl>s)< (s(l(sl)<l)s)> }) { | |
| 1083 | print "# testing pattern '$t'\n"; | |
| 1084 | eval { ($_) = unpack($t, 'x'x18); }; | |
| 1085 | like($@, qr/Can't use '[<>]' in a group with different byte-order in unpack/); | |
| 1086 | eval { $_ = pack($t, (0)x6); }; | |
| 1087 | like($@, qr/Can't use '[<>]' in a group with different byte-order in pack/); | |
| 1088 | } | |
| 1089 | ||
| d9db00a6 NC |
1090 | is(pack('L<L>', (0x12345678)x2), |
| 1091 | pack('(((L1)1)<)(((L)1)1)>1', (0x12345678)x2)); | |
| 1092 | } | |
| 1093 | ||
| 1094 | { | |
| 66c611c5 MHM |
1095 | sub compress_template { |
| 1096 | my $t = shift; | |
| 1097 | for my $mod (qw( < > )) { | |
| 1098 | $t =~ s/((?:(?:[SILQJFDP]!?$mod|[^SILQJFDP\W]!?)(?:\d+|\*|\[(?:[^]]+)\])?\/?){2,})/ | |
| 1099 | my $x = $1; $x =~ s!$mod!!g ? "($x)$mod" : $x /ieg; | |
| 1100 | } | |
| 1101 | return $t; | |
| 1102 | } | |
| 1103 | ||
| 66c611c5 MHM |
1104 | my %templates = ( |
| 1105 | 's<' => [-42], | |
| 1106 | 's<c2x![S]S<' => [-42, -11, 12, 4711], | |
| 1107 | '(i<j<[s]l<)3' => [-11, -22, -33, 1000000, 1100, 2201, 3302, | |
| 1108 | -1000000, 32767, -32768, 1, -123456789 ], | |
| 1109 | '(I!<4(J<2L<)3)5' => [1 .. 65], | |
| 1110 | 'q<Q<' => [-50000000005, 60000000006], | |
| 1111 | 'f<F<d<' => [3.14159, 111.11, 2222.22], | |
| 1112 | 'D<cCD<' => [1e42, -128, 255, 1e-42], | |
| 1113 | 'n/a*' => ['/usr/bin/perl'], | |
| 1114 | 'C/a*S</A*L</Z*I</a*' => [qw(Just another Perl hacker)], | |
| 1115 | ); | |
| 1116 | ||
| 1117 | for my $tle (sort keys %templates) { | |
| 1118 | my @d = @{$templates{$tle}}; | |
| 1119 | my $tbe = $tle; | |
| 1120 | $tbe =~ y/</>/; | |
| 1121 | for my $t ($tbe, $tle) { | |
| 1122 | my $c = compress_template($t); | |
| 1123 | print "# '$t' -> '$c'\n"; | |
| 1124 | SKIP: { | |
| 1125 | my $p1 = eval { pack $t, @d }; | |
| 1126 | skip "cannot pack '$t' on this perl", 5 if is_valid_error($@); | |
| 1127 | my $p2 = eval { pack $c, @d }; | |
| 1128 | is($@, ''); | |
| 1129 | is($p1, $p2); | |
| 1130 | s!(/[aAZ])\*!$1!g for $t, $c; | |
| 1131 | my @u1 = eval { unpack $t, $p1 }; | |
| 1132 | is($@, ''); | |
| 1133 | my @u2 = eval { unpack $c, $p2 }; | |
| 1134 | is($@, ''); | |
| 1135 | is(join('!', @u1), join('!', @u2)); | |
| 1136 | } | |
| 1137 | } | |
| 1138 | } | |
| 1139 | } | |
| 1140 | ||
| 1141 | { | |
| b81060d6 WL |
1142 | # from Wolfgang Laun: fix in change #13163 |
| 1143 | ||
| 1144 | my $s = 'ABC' x 10; | |
| 644d52eb JH |
1145 | my $t = '*'; |
| 1146 | my $x = ord($t); | |
| b81060d6 WL |
1147 | my $buf = pack( 'Z*/A* C', $s, $x ); |
| 1148 | my $y; | |
| 1149 | ||
| 1150 | my $h = $buf; | |
| 1151 | $h =~ s/[^[:print:]]/./g; | |
| 1152 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); | |
| 644d52eb | 1153 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
| 0b568b5f MS |
1154 | is(length $buf, 34); |
| 1155 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); | |
| 644d52eb | 1156 | is($y, $x); |
| b81060d6 | 1157 | } |
| 3bf38418 WL |
1158 | |
| 1159 | { | |
| b223308b | 1160 | # from Wolfgang Laun: fix in change #13288 |
| 3bf38418 | 1161 | |
| b223308b | 1162 | eval { my $t=unpack("P*", "abc") }; |
| 49704364 | 1163 | like($@, qr/'P' must have an explicit size/); |
| 3bf38418 | 1164 | } |
| 18529408 IZ |
1165 | |
| 1166 | { # Grouping constructs | |
| 1167 | my (@a, @b); | |
| 1168 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; | |
| 1169 | is("@a", "67 68"); | |
| 1170 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; | |
| 1171 | @b = (67..72); | |
| 1172 | is("@a", "@b"); | |
| 1173 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; | |
| 1174 | is("@a", "@b"); | |
| 1175 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; | |
| 1176 | is("@a", "@b"); | |
| 1177 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; | |
| 1178 | is("@a", "@b"); | |
| 1179 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; | |
| 1180 | is("@a", "@b"); | |
| 1181 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; | |
| 1182 | is("@a", "@b"); | |
| 1183 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; | |
| 1184 | @b = (67..74); | |
| 1185 | is("@a", "@b"); | |
| 1186 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; | |
| 1187 | is("@a", "@b"); | |
| 1188 | eval { @a = unpack '(*SL)', '' }; | |
| 1189 | like($@, qr/\(\)-group starts with a count/); | |
| 1190 | eval { @a = unpack '(3SL)', '' }; | |
| 1191 | like($@, qr/\(\)-group starts with a count/); | |
| 1192 | eval { @a = unpack '([3]SL)', '' }; | |
| 1193 | like($@, qr/\(\)-group starts with a count/); | |
| 1194 | eval { @a = pack '(*SL)' }; | |
| 1195 | like($@, qr/\(\)-group starts with a count/); | |
| 1196 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; | |
| 1197 | is("@a", "@b"); | |
| 1198 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; | |
| 1199 | is("@a", "@b"); | |
| 1200 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; | |
| 1201 | is("@a", "@b"); | |
| 1202 | } | |
| 206947d2 | 1203 | |
| 49704364 | 1204 | { # more on grouping (W.Laun) |
| 49704364 WL |
1205 | # @ absolute within ()-group |
| 1206 | my $badc = pack( '(a)*', unpack( '(@1a @0a @2)*', 'abcd' ) ); | |
| 1207 | is( $badc, 'badc' ); | |
| 1208 | my @b = ( 1, 2, 3 ); | |
| 1209 | my $buf = pack( '(@1c)((@2C)@3c)', @b ); | |
| 1210 | is( $buf, "\0\1\0\0\2\3" ); | |
| 1211 | my @a = unpack( '(@1c)((@2c)@3c)', $buf ); | |
| 1212 | is( "@a", "@b" ); | |
| 1213 | ||
| 28be1210 | 1214 | # various unpack count/code scenarios |
| 49704364 WL |
1215 | my @Env = ( a => 'AAA', b => 'BBB' ); |
| 1216 | my $env = pack( 'S(S/A*S/A*)*', @Env/2, @Env ); | |
| 1217 | ||
| 1218 | # unpack full length - ok | |
| 1219 | my @pup = unpack( 'S/(S/A* S/A*)', $env ); | |
| 1220 | is( "@pup", "@Env" ); | |
| 1221 | ||
| 1222 | # warn when count/code goes beyond end of string | |
| 1223 | # \0002 \0001 a \0003 AAA \0001 b \0003 BBB | |
| 1224 | # 2 4 5 7 10 1213 | |
| 1225 | eval { @pup = unpack( 'S/(S/A* S/A*)', substr( $env, 0, 13 ) ) }; | |
| 1226 | like( $@, qr{length/code after end of string} ); | |
| 28be1210 | 1227 | |
| 49704364 WL |
1228 | # postfix repeat count |
| 1229 | $env = pack( '(S/A* S/A*)' . @Env/2, @Env ); | |
| 1230 | ||
| 1231 | # warn when count/code goes beyond end of string | |
| 1232 | # \0001 a \0003 AAA \0001 b \0003 BBB | |
| 1233 | # 2 3c 5 8 10 11 13 16 | |
| 1234 | eval { @pup = unpack( '(S/A* S/A*)' . @Env/2, substr( $env, 0, 11 ) ) }; | |
| 1235 | like( $@, qr{length/code after end of string} ); | |
| 1236 | ||
| 1237 | # catch stack overflow/segfault | |
| 1238 | eval { $_ = pack( ('(' x 105) . 'A' . (')' x 105) ); }; | |
| 1239 | like( $@, qr{Too deeply nested \(\)-groups} ); | |
| 1240 | } | |
| 1241 | ||
| 1242 | { # syntax checks (W.Laun) | |
| bd7d4f4d | 1243 | use warnings qw(NONFATAL all);; |
| 49704364 WL |
1244 | my @warning; |
| 1245 | local $SIG{__WARN__} = sub { | |
| 1246 | push( @warning, $_[0] ); | |
| 1247 | }; | |
| 1248 | eval { my $s = pack( 'Ax![4c]A', 1..5 ); }; | |
| 1249 | like( $@, qr{Malformed integer in \[\]} ); | |
| 1250 | ||
| 1251 | eval { my $buf = pack( '(c/*a*)', 'AAA', 'BB' ); }; | |
| 1252 | like( $@, qr{'/' does not take a repeat count} ); | |
| 1253 | ||
| 1254 | eval { my @inf = unpack( 'c/1a', "\x03AAA\x02BB" ); }; | |
| 1255 | like( $@, qr{'/' does not take a repeat count} ); | |
| 1256 | ||
| 1257 | eval { my @inf = unpack( 'c/*a', "\x03AAA\x02BB" ); }; | |
| 1258 | like( $@, qr{'/' does not take a repeat count} ); | |
| 1259 | ||
| 28be1210 | 1260 | # white space where possible |
| 49704364 WL |
1261 | my @Env = ( a => 'AAA', b => 'BBB' ); |
| 1262 | my $env = pack( ' S ( S / A* S / A* )* ', @Env/2, @Env ); | |
| 1263 | my @pup = unpack( ' S / ( S / A* S / A* ) ', $env ); | |
| 1264 | is( "@pup", "@Env" ); | |
| 1265 | ||
| 1266 | # white space in 4 wrong places | |
| 1267 | for my $temp ( 'A ![4]', 'A [4]', 'A *', 'A 4' ){ | |
| 1268 | eval { my $s = pack( $temp, 'B' ); }; | |
| 1269 | like( $@, qr{Invalid type } ); | |
| 1270 | } | |
| 1271 | ||
| 1272 | # warning for commas | |
| 1273 | @warning = (); | |
| 1274 | my $x = pack( 'I,A', 4, 'X' ); | |
| 1275 | like( $warning[0], qr{Invalid type ','} ); | |
| 1276 | ||
| 1277 | # comma warning only once | |
| 1278 | @warning = (); | |
| 1279 | $x = pack( 'C(C,C)C,C', 65..71 ); | |
| 1280 | like( scalar @warning, 1 ); | |
| 1281 | ||
| 1282 | # forbidden code in [] | |
| 1283 | eval { my $x = pack( 'A[@4]', 'XXXX' ); }; | |
| 1284 | like( $@, qr{Within \[\]-length '\@' not allowed} ); | |
| 1285 | ||
| 1286 | # @ repeat default 1 | |
| 1287 | my $s = pack( 'AA@A', 'A', 'B', 'C' ); | |
| 1288 | my @c = unpack( 'AA@A', $s ); | |
| 28be1210 TH |
1289 | is( $s, 'AC' ); |
| 1290 | is( "@c", "A C C" ); | |
| 49704364 WL |
1291 | |
| 1292 | # no unpack code after / | |
| 1293 | eval { my @a = unpack( "C/", "\3" ); }; | |
| 1294 | like( $@, qr{Code missing after '/'} ); | |
| 1295 | ||
| d9db00a6 NC |
1296 | SKIP: { |
| 1297 | skip $no_endianness, 6 if $no_endianness; | |
| 1298 | ||
| 1299 | # modifier warnings | |
| 1300 | @warning = (); | |
| 1301 | $x = pack "I>>s!!", 47, 11; | |
| 1302 | ($x) = unpack "I<<l!>!>", 'x'x20; | |
| 1303 | is(scalar @warning, 5); | |
| 1304 | like($warning[0], qr/Duplicate modifier '>' after 'I' in pack/); | |
| 1305 | like($warning[1], qr/Duplicate modifier '!' after 's' in pack/); | |
| 1306 | like($warning[2], qr/Duplicate modifier '<' after 'I' in unpack/); | |
| 1307 | like($warning[3], qr/Duplicate modifier '!' after 'l' in unpack/); | |
| 1308 | like($warning[4], qr/Duplicate modifier '>' after 'l' in unpack/); | |
| 1309 | } | |
| 49704364 WL |
1310 | } |
| 1311 | ||
| 206947d2 | 1312 | { # Repeat count [SUBEXPR] |
| f337b084 | 1313 | my @codes = qw( x A Z a c C W B b H h s v n S i I l V N L p P f F d |
| 92d41999 JH |
1314 | s! S! i! I! l! L! j J); |
| 1315 | my $G; | |
| 206947d2 IZ |
1316 | if (eval { pack 'q', 1 } ) { |
| 1317 | push @codes, qw(q Q); | |
| 1318 | } else { | |
| 1109a392 | 1319 | push @codes, qw(s S); # Keep the count the same |
| 206947d2 | 1320 | } |
| 92d41999 JH |
1321 | if (eval { pack 'D', 1 } ) { |
| 1322 | push @codes, 'D'; | |
| 1323 | } else { | |
| 1324 | push @codes, 'd'; # Keep the count the same | |
| 1325 | } | |
| 206947d2 | 1326 | |
| 1109a392 MHM |
1327 | push @codes, map { /^[silqjfdp]/i ? ("$_<", "$_>") : () } @codes; |
| 1328 | ||
| 206947d2 IZ |
1329 | my %val; |
| 1330 | @val{@codes} = map { / [Xx] (?{ undef }) | |
| 1331 | | [AZa] (?{ 'something' }) | |
| 1332 | | C (?{ 214 }) | |
| f337b084 | 1333 | | W (?{ 8188 }) |
| 206947d2 IZ |
1334 | | c (?{ 114 }) |
| 1335 | | [Bb] (?{ '101' }) | |
| 1336 | | [Hh] (?{ 'b8' }) | |
| 92d41999 | 1337 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
| 206947d2 IZ |
1338 | | [FfDd] (?{ 1.36514538e67 }) |
| 1339 | | [pP] (?{ "try this buffer" }) | |
| 1340 | /x; $^R } @codes; | |
| 1341 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); | |
| 1342 | my $end = "N4"; | |
| 1343 | ||
| 1344 | for my $type (@codes) { | |
| 1345 | my @list = $val{$type}; | |
| 1346 | @list = () unless defined $list[0]; | |
| 1347 | for my $count ('', '3', '[11]') { | |
| 1348 | my $c = 1; | |
| 1349 | $c = $1 if $count =~ /(\d+)/; | |
| 1350 | my @list1 = @list; | |
| 1351 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; | |
| 1352 | for my $groupend ('', ')2', ')[8]') { | |
| 1353 | my $groupbegin = ($groupend ? '(' : ''); | |
| 1354 | $c = 1; | |
| 1355 | $c = $1 if $groupend =~ /(\d+)/; | |
| 1356 | my @list2 = (@list1) x $c; | |
| 1357 | ||
| 1109a392 MHM |
1358 | SKIP: { |
| 1359 | my $junk1 = "$groupbegin $type$count $groupend"; | |
| 1360 | # print "# junk1=$junk1\n"; | |
| 1361 | my $p = eval { pack $junk1, @list2 }; | |
| 1362 | skip "cannot pack '$type' on this perl", 12 | |
| 1363 | if is_valid_error($@); | |
| 9b72c5e4 | 1364 | die "pack $junk1 failed: $@" if $@; |
| 1109a392 MHM |
1365 | |
| 1366 | my $half = int( (length $p)/2 ); | |
| 1367 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { | |
| 1368 | my $junk = "$junk1 $move"; | |
| 1369 | # print "# junk='$junk', list=(@list2)\n"; | |
| 1370 | $p = pack "$junk $end", @list2, @end; | |
| 1371 | my @l = unpack "x[$junk] $end", $p; | |
| 1372 | is(scalar @l, scalar @end); | |
| 1373 | is("@l", "@end", "skipping x[$junk]"); | |
| 1374 | } | |
| 1375 | } | |
| 206947d2 IZ |
1376 | } |
| 1377 | } | |
| 1378 | } | |
| 1379 | } | |
| 1380 | ||
| 1381 | # / is recognized after spaces in scalar context | |
| 1382 | # XXXX no spaces are allowed in pack... In pack only before the slash... | |
| 1383 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); | |
| 1384 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); | |
| 62f95557 IZ |
1385 | |
| 1386 | { # X! and x! | |
| 1387 | my $t = 'C[3] x!8 C[2]'; | |
| 1388 | my @a = (0x73..0x77); | |
| 1389 | my $p = pack($t, @a); | |
| 1390 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); | |
| 1391 | my @b = unpack $t, $p; | |
| 1392 | is(scalar @b, scalar @a); | |
| 1393 | is("@b", "@a", 'x!8'); | |
| 1394 | $t = 'x[5] C[6] X!8 C[2]'; | |
| 1395 | @a = (0x73..0x7a); | |
| 1396 | $p = pack($t, @a); | |
| 1397 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); | |
| 1398 | @b = unpack $t, $p; | |
| 1399 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); | |
| 1400 | is(scalar @b, scalar @a); | |
| 1401 | is("@b", "@a"); | |
| 1402 | } | |
| 1403 | ||
| 1404 | { # struct {char c1; double d; char cc[2];} | |
| 1405 | my $t = 'C x![d] d C[2]'; | |
| 1406 | my @a = (173, 1.283476517e-45, 42, 215); | |
| 1407 | my $p = pack $t, @a; | |
| 1408 | ok( length $p); | |
| 1409 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again | |
| 1410 | is(scalar @b, 2 * scalar @a); | |
| 3f7e3417 JH |
1411 | $b = "@b"; |
| 1412 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble | |
| 1413 | is($b, "@a @a"); | |
| 62f95557 | 1414 | |
| bd7d4f4d | 1415 | use warnings qw(NONFATAL all);; |
| 62f95557 IZ |
1416 | my $warning; |
| 1417 | local $SIG{__WARN__} = sub { | |
| 1418 | $warning = $_[0]; | |
| 1419 | }; | |
| 1420 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; | |
| 1421 | ||
| 1422 | is($warning, undef); | |
| 1423 | is(scalar @b, scalar @a); | |
| 3f7e3417 JH |
1424 | $b = "@b"; |
| 1425 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble | |
| 1426 | is($b, "@a"); | |
| 62f95557 | 1427 | } |
| 92d41999 JH |
1428 | |
| 1429 | is(length(pack("j", 0)), $Config{ivsize}); | |
| 1430 | is(length(pack("J", 0)), $Config{uvsize}); | |
| 1431 | is(length(pack("F", 0)), $Config{nvsize}); | |
| 1432 | ||
| 1433 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); | |
| 1434 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); | |
| 1435 | numbers ('F', -(2**34), -1, 0, 1, 2**34); | |
| 1436 | SKIP: { | |
| 1437 | my $t = eval { unpack("D*", pack("D", 12.34)) }; | |
| 1438 | ||
| 1109a392 | 1439 | skip "Long doubles not in use", 166 if $@ =~ /Invalid type/; |
| 92d41999 JH |
1440 | |
| 1441 | is(length(pack("D", 0)), $Config{longdblsize}); | |
| 1442 | numbers ('D', -(2**34), -1, 0, 1, 2**34); | |
| 1443 | } | |
| 1444 | ||
| c8f824eb NC |
1445 | # Maybe this knowledge needs to be "global" for all of pack.t |
| 1446 | # Or a "can checksum" which would effectively be all the number types" | |
| 1447 | my %cant_checksum = map {$_=> 1} qw(A Z u w); | |
| 1448 | # not a b B h H | |
| 1449 | foreach my $template (qw(A Z c C s S i I l L n N v V q Q j J f d F D u U w)) { | |
| 1450 | SKIP: { | |
| 1451 | my $packed = eval {pack "${template}4", 1, 4, 9, 16}; | |
| 1452 | if ($@) { | |
| 49704364 | 1453 | die unless $@ =~ /Invalid type '$template'/; |
| c8f824eb NC |
1454 | skip ("$template not supported on this perl", |
| 1455 | $cant_checksum{$template} ? 4 : 8); | |
| 1456 | } | |
| 1457 | my @unpack4 = unpack "${template}4", $packed; | |
| 1458 | my @unpack = unpack "${template}*", $packed; | |
| 1459 | my @unpack1 = unpack "${template}", $packed; | |
| 1460 | my @unpack1s = scalar unpack "${template}", $packed; | |
| 1461 | my @unpack4s = scalar unpack "${template}4", $packed; | |
| 1462 | my @unpacks = scalar unpack "${template}*", $packed; | |
| 1463 | ||
| 1464 | my @tests = ( ["${template}4 vs ${template}*", \@unpack4, \@unpack], | |
| 1465 | ["scalar ${template} ${template}", \@unpack1s, \@unpack1], | |
| 1466 | ["scalar ${template}4 vs ${template}", \@unpack4s, \@unpack1], | |
| 1467 | ["scalar ${template}* vs ${template}", \@unpacks, \@unpack1], | |
| 1468 | ); | |
| 1469 | ||
| 1470 | unless ($cant_checksum{$template}) { | |
| 1471 | my @unpack4_c = unpack "\%${template}4", $packed; | |
| 1472 | my @unpack_c = unpack "\%${template}*", $packed; | |
| 1473 | my @unpack1_c = unpack "\%${template}", $packed; | |
| 1474 | my @unpack1s_c = scalar unpack "\%${template}", $packed; | |
| 1475 | my @unpack4s_c = scalar unpack "\%${template}4", $packed; | |
| 1476 | my @unpacks_c = scalar unpack "\%${template}*", $packed; | |
| 1477 | ||
| 1478 | push @tests, | |
| 1479 | ( ["% ${template}4 vs ${template}*", \@unpack4_c, \@unpack_c], | |
| 1480 | ["% scalar ${template} ${template}", \@unpack1s_c, \@unpack1_c], | |
| 1481 | ["% scalar ${template}4 vs ${template}*", \@unpack4s_c, \@unpack_c], | |
| 1482 | ["% scalar ${template}* vs ${template}*", \@unpacks_c, \@unpack_c], | |
| 1483 | ); | |
| 1484 | } | |
| 1485 | foreach my $test (@tests) { | |
| 1486 | ok (list_eq ($test->[1], $test->[2]), $test->[0]) || | |
| 1487 | printf "# unpack gave %s expected %s\n", | |
| 1488 | encode_list (@{$test->[1]}), encode_list (@{$test->[2]}); | |
| 1489 | } | |
| 1490 | } | |
| 1491 | } | |
| 9c3dc587 HS |
1492 | |
| 1493 | ok(pack('u2', 'AA'), "[perl #8026]"); # used to hang and eat RAM in perl 5.7.2 | |
| 1494 | ||
| fe581ec7 JH |
1495 | $_ = pack('c', 65); # 'A' would not be EBCDIC-friendly |
| 1496 | is(unpack('c'), 65, "one-arg unpack (change #18751)"); # defaulting to $_ | |
| db37a92e JH |
1497 | |
| 1498 | { | |
| 250d67eb | 1499 | my $a = "X\x0901234567\n" x 100; # \t would not be EBCDIC TAB |
| db37a92e JH |
1500 | my @a = unpack("(a1 c/a)*", $a); |
| 1501 | is(scalar @a, 200, "[perl #15288]"); | |
| 1502 | is($a[-1], "01234567\n", "[perl #15288]"); | |
| 1503 | is($a[-2], "X", "[perl #15288]"); | |
| 1504 | } | |
| 0ed7c1bb | 1505 | |
| f7f98fdf | 1506 | { |
| bd7d4f4d | 1507 | use warnings qw(NONFATAL all);; |
| f7f98fdf TH |
1508 | my $warning; |
| 1509 | local $SIG{__WARN__} = sub { | |
| 1510 | $warning = $_[0]; | |
| 1511 | }; | |
| 1512 | my $out = pack("u99", "foo" x 99); | |
| 1513 | like($warning, qr/Field too wide in 'u' format in pack at /, | |
| 1514 | "Warn about too wide uuencode"); | |
| 1515 | is($out, ("_" . "9F]O" x 21 . "\n") x 4 . "M" . "9F]O" x 15 . "\n", | |
| 1516 | "Use max width in case of too wide uuencode"); | |
| 1517 | } | |
| 1518 | ||
| 0ed7c1bb TH |
1519 | # checksums |
| 1520 | { | |
| 1521 | # verify that unpack advances correctly wrt a checksum | |
| 1522 | my (@x) = unpack("b10a", "abcd"); | |
| 1523 | my (@y) = unpack("%b10a", "abcd"); | |
| 1524 | is($x[1], $y[1], "checksum advance ok"); | |
| d6d3e8bd TH |
1525 | |
| 1526 | # verify that the checksum is not overflowed with C0 | |
| 250d67eb JH |
1527 | if (ord('A') == 193) { |
| 1528 | is(unpack("C0%128U", "/bcd"), unpack("U0%128U", "abcd"), "checksum not overflowed"); | |
| 1529 | } else { | |
| 1530 | is(unpack("C0%128U", "abcd"), unpack("U0%128U", "abcd"), "checksum not overflowed"); | |
| 1531 | } | |
| 0ed7c1bb | 1532 | } |
| 0c81e54b TH |
1533 | |
| 1534 | { | |
| 1535 | # U0 and C0 must be scoped | |
| 1536 | my (@x) = unpack("a(U0)U", "b\341\277\274"); | |
| 1537 | is($x[0], 'b', 'before scope'); | |
| 08ca2aa3 | 1538 | is($x[1], 8188, 'after scope'); |
| f337b084 TH |
1539 | |
| 1540 | is(pack("a(U0)U", "b", 8188), "b\341\277\274"); | |
| 0c81e54b | 1541 | } |
| 21c16052 TH |
1542 | |
| 1543 | { | |
| 1544 | # counted length prefixes shouldn't change C0/U0 mode | |
| 1545 | # (note the length is actually 0 in this test) | |
| 250d67eb JH |
1546 | if (ord('A') == 193) { |
| 1547 | is(join(',', unpack("aU0C/UU", "b\0\341\277\274")), 'b,0'); | |
| 1548 | is(join(',', unpack("aU0C/CU", "b\0\341\277\274")), 'b,0'); | |
| 1549 | } else { | |
| 1550 | is(join(',', unpack("aC/UU", "b\0\341\277\274")), 'b,8188'); | |
| 1551 | is(join(',', unpack("aC/CU", "b\0\341\277\274")), 'b,8188'); | |
| 1552 | is(join(',', unpack("aU0C/UU", "b\0\341\277\274")), 'b,225'); | |
| 1553 | is(join(',', unpack("aU0C/CU", "b\0\341\277\274")), 'b,225'); | |
| 1554 | } | |
| 21c16052 | 1555 | } |
| f0df5f8b TH |
1556 | |
| 1557 | { | |
| 1558 | # "Z0" (bug #34062) | |
| 1559 | my (@x) = unpack("C*", pack("CZ0", 1, "b")); | |
| 1560 | is(join(',', @x), '1', 'pack Z0 doesn\'t destroy the character before'); | |
| 1561 | } | |
| f337b084 TH |
1562 | |
| 1563 | { | |
| 1564 | # Encoding neutrality | |
| 1565 | # String we will pull apart and rebuild in several ways: | |
| 1566 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; | |
| 1567 | my $up = $down; | |
| 1568 | utf8::upgrade($up); | |
| 1569 | ||
| 1570 | my %expect = | |
| 1571 | # [expected result, | |
| 1572 | # how many chars it should progress, | |
| 1573 | # (optional) expected result of pack] | |
| 1574 | (a5 => ["\xf8\xf9\xfa\xfb\xfc", 5], | |
| 1575 | A5 => ["\xf8\xf9\xfa\xfb\xfc", 5], | |
| 1576 | Z5 => ["\xf8\xf9\xfa\xfb\xfc", 5, "\xf8\xf9\xfa\xfb\x00\xfd"], | |
| 1577 | b21 => ["000111111001111101011", 3, "\xf8\xf9\x1a\xfb"], | |
| 1578 | B21 => ["111110001111100111111", 3, "\xf8\xf9\xf8\xfb"], | |
| 1579 | H5 => ["f8f9f", 3, "\xf8\xf9\xf0\xfb"], | |
| 1580 | h5 => ["8f9fa", 3, "\xf8\xf9\x0a\xfb"], | |
| 1581 | "s<" => [-1544, 2], | |
| 1582 | "s>" => [-1799, 2], | |
| 1583 | "S<" => [0xf9f8, 2], | |
| 1584 | "S>" => [0xf8f9, 2], | |
| 1585 | "l<" => [-67438088, 4], | |
| 1586 | "l>" => [-117835013, 4], | |
| 1587 | "L>" => [0xf8f9fafb, 4], | |
| 1588 | "L<" => [0xfbfaf9f8, 4], | |
| 1589 | n => [0xf8f9, 2], | |
| 1590 | N => [0xf8f9fafb, 4], | |
| 1591 | v => [63992, 2], | |
| 1592 | V => [0xfbfaf9f8, 4], | |
| 1593 | c => [-8, 1], | |
| 1594 | U0U => [0xf8, 1], | |
| 1595 | w => ["8715569050387726213", 9], | |
| 1596 | q => ["-283686952306184", 8], | |
| 1597 | Q => ["18446460386757245432", 8], | |
| 1598 | ); | |
| 1599 | ||
| 1600 | for my $string ($down, $up) { | |
| 1601 | for my $format (sort {lc($a) cmp lc($b) || $a cmp $b } keys %expect) { | |
| 1602 | SKIP: { | |
| 1603 | my $expect = $expect{$format}; | |
| 1604 | # unpack upgraded and downgraded string | |
| 1605 | my @result = eval { unpack("$format C0 W", $string) }; | |
| 1606 | skip "cannot pack/unpack '$format C0 W' on this perl", 5 if | |
| 1607 | $@ && is_valid_error($@); | |
| 1608 | is(@result, 2, "Two results from unpack $format C0 W"); | |
| 1609 | ||
| 1610 | # pack to downgraded | |
| 1611 | my $new = pack("$format C0 W", @result); | |
| 1612 | is(length($new), $expect->[1]+1, | |
| 1613 | "pack $format C0 W should give $expect->[1]+1 chars"); | |
| 1614 | is($new, $expect->[2] || substr($string, 0, length $new), | |
| 1615 | "pack $format C0 W returns expected value"); | |
| 1616 | ||
| 1617 | # pack to upgraded | |
| 1618 | $new = pack("a0 $format C0 W", chr(256), @result); | |
| 1619 | is(length($new), $expect->[1]+1, | |
| 1620 | "pack a0 $format C0 W should give $expect->[1]+1 chars"); | |
| 1621 | is($new, $expect->[2] || substr($string, 0, length $new), | |
| 1622 | "pack a0 $format C0 W returns expected value"); | |
| 1623 | } | |
| 1624 | } | |
| 1625 | } | |
| 1626 | } | |
| 1627 | ||
| 1628 | { | |
| 1629 | # Encoding neutrality, numbers | |
| 1630 | my $val = -2.68; | |
| 1631 | for my $format (qw(s S i I l L j J f d F D q Q | |
| 1632 | s! S! i! I! l! L! n! N! v! V!)) { | |
| 1633 | SKIP: { | |
| 1634 | my $down = eval { pack($format, $val) }; | |
| 1635 | skip "cannot pack/unpack $format on this perl", 9 if | |
| 1636 | $@ && is_valid_error($@); | |
| 1637 | ok(!utf8::is_utf8($down), "Simple $format pack doesn't get upgraded"); | |
| 1638 | my $up = pack("a0 $format", chr(256), $val); | |
| 1639 | ok(utf8::is_utf8($up), "a0 $format with high char leads to upgrade"); | |
| 1640 | is($down, $up, "$format generated strings are equal though"); | |
| 1641 | my @down_expanded = unpack("$format W", $down . chr(0xce)); | |
| 1642 | is(@down_expanded, 2, "Expand to two values"); | |
| 1643 | is($down_expanded[1], 0xce, | |
| 1644 | "unpack $format left us at the expected position"); | |
| 1645 | my @up_expanded = unpack("$format W", $up . chr(0xce)); | |
| 1646 | is(@up_expanded, 2, "Expand to two values"); | |
| 1647 | is($up_expanded[1], 0xce, | |
| 1648 | "unpack $format left us at the expected position"); | |
| 1649 | is($down_expanded[0], $up_expanded[0], "$format unpack was neutral"); | |
| 1650 | is(pack($format, $down_expanded[0]), $down, "Pack $format undoes unpack $format"); | |
| 1651 | } | |
| 1652 | } | |
| 1653 | } | |
| 1654 | ||
| 1655 | { | |
| 1651fc44 | 1656 | # C *is* neutral |
| f337b084 TH |
1657 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
| 1658 | my $up = $down; | |
| 1659 | utf8::upgrade($up); | |
| 1660 | my @down = unpack("C*", $down); | |
| 1661 | my @expect_down = (0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x05, 0x06); | |
| 1662 | is("@down", "@expect_down", "byte expand"); | |
| 1663 | is(pack("C*", @down), $down, "byte join"); | |
| 1664 | ||
| 1665 | my @up = unpack("C*", $up); | |
| 1651fc44 | 1666 | my @expect_up = (0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x05, 0x06); |
| f337b084 TH |
1667 | is("@up", "@expect_up", "UTF-8 expand"); |
| 1668 | is(pack("U0C0C*", @up), $up, "UTF-8 join"); | |
| 1669 | } | |
| 1670 | ||
| 1671 | { | |
| 1672 | # Harder cases for the neutrality test | |
| 1673 | ||
| 1674 | # u format | |
| 1675 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; | |
| 1676 | my $up = $down; | |
| 1677 | utf8::upgrade($up); | |
| 1678 | is(pack("u", $down), pack("u", $up), "u pack is neutral"); | |
| 1679 | is(unpack("u", pack("u", $down)), $down, "u unpack to downgraded works"); | |
| 1680 | is(unpack("U0C0u", pack("u", $down)), $up, "u unpack to upgraded works"); | |
| 1681 | ||
| 1682 | # p/P format | |
| 1683 | # This actually only tests something if the address contains a byte >= 0x80 | |
| 1684 | my $str = "abc\xa5\x00\xfede"; | |
| 1685 | $down = pack("p", $str); | |
| 1686 | is(pack("P", $str), $down); | |
| 1687 | is(pack("U0C0p", $str), $down); | |
| 1688 | is(pack("U0C0P", $str), $down); | |
| 1689 | is(unpack("p", $down), "abc\xa5", "unpack p downgraded"); | |
| 1690 | $up = $down; | |
| 1691 | utf8::upgrade($up); | |
| 1692 | is(unpack("p", $up), "abc\xa5", "unpack p upgraded"); | |
| 1693 | ||
| 1694 | is(unpack("P7", $down), "abc\xa5\x00\xfed", "unpack P downgraded"); | |
| 1695 | is(unpack("P7", $up), "abc\xa5\x00\xfed", "unpack P upgraded"); | |
| 1696 | ||
| 1697 | # x, X and @ | |
| 1698 | $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; | |
| 1699 | $up = $down; | |
| 1700 | utf8::upgrade($up); | |
| 1701 | ||
| 1702 | is(unpack('@4W', $down), 0xfc, "\@positioning on downgraded string"); | |
| 1703 | is(unpack('@4W', $up), 0xfc, "\@positioning on upgraded string"); | |
| 1704 | ||
| 1705 | is(unpack('@4x2W', $down), 0xfe, "x moving on downgraded string"); | |
| 1706 | is(unpack('@4x2W', $up), 0xfe, "x moving on upgraded string"); | |
| 1707 | is(unpack('@4x!4W', $down), 0xfc, "x! moving on downgraded string"); | |
| 1708 | is(unpack('@4x!4W', $up), 0xfc, "x! moving on upgraded string"); | |
| 1709 | is(unpack('@5x!4W', $down), 0x05, "x! moving on downgraded string"); | |
| 1710 | is(unpack('@5x!4W', $up), 0x05, "x! moving on upgraded string"); | |
| 1711 | ||
| 1712 | is(unpack('@4X2W', $down), 0xfa, "X moving on downgraded string"); | |
| 1713 | is(unpack('@4X2W', $up), 0xfa, "X moving on upgraded string"); | |
| 1714 | is(unpack('@4X!4W', $down), 0xfc, "X! moving on downgraded string"); | |
| 1715 | is(unpack('@4X!4W', $up), 0xfc, "X! moving on upgraded string"); | |
| 1716 | is(unpack('@5X!4W', $down), 0xfc, "X! moving on downgraded string"); | |
| 1717 | is(unpack('@5X!4W', $up), 0xfc, "X! moving on upgraded string"); | |
| 1718 | is(unpack('@5X!8W', $down), 0xf8, "X! moving on downgraded string"); | |
| 1719 | is(unpack('@5X!8W', $up), 0xf8, "X! moving on upgraded string"); | |
| 1720 | ||
| 1721 | is(pack("W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on downgraded string"); | |
| 28be1210 | 1722 | is(pack("W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
| f337b084 TH |
1723 | "x! on downgraded string"); |
| 1724 | is(pack("W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on downgraded string"); | |
| 1725 | is(pack("U0C0W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on upgraded string"); | |
| 28be1210 | 1726 | is(pack("U0C0W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
| f337b084 TH |
1727 | "x! on upgraded string"); |
| 1728 | is(pack("U0C0W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on upgraded string"); | |
| 1729 | is(pack("W2X", 0xfa, 0xe3), "\xfa", "X on downgraded string"); | |
| 1730 | is(pack("U0C0W2X", 0xfa, 0xe3), "\xfa", "X on upgraded string"); | |
| 1731 | is(pack("W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on downgraded string"); | |
| 1732 | is(pack("U0C0W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on upgraded string"); | |
| 1733 | is(pack("W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", "X! on downgraded string"); | |
| 28be1210 | 1734 | is(pack("U0C0W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", |
| f337b084 TH |
1735 | "X! on upgraded string"); |
| 1736 | ||
| 1737 | # backward eating through a ( moves the group starting point backwards | |
| 28be1210 | 1738 | is(pack("a*(Xa)", "abc", "q"), "abq", |
| f337b084 | 1739 | "eating before strbeg moves it back"); |
| 28be1210 | 1740 | is(pack("a*(Xa)", "ab" . chr(512), "q"), "abq", |
| f337b084 TH |
1741 | "eating before strbeg moves it back"); |
| 1742 | ||
| 1743 | # Check marked_upgrade | |
| 1744 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), | |
| 1745 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6"); | |
| 1746 | $up = "a"; | |
| 1747 | utf8::upgrade($up); | |
| 1748 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, $up, 0xa4, 0xa5, 0xa6), | |
| 1749 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by a"); | |
| 1750 | is(pack('W(W(WW@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, 256, 0xa4, 0xa5, 0xa6), | |
| 28be1210 | 1751 | "\xa1\xa2\xa3\x{100}\x00\xa4\x00\xa5\x00\xa6", |
| f337b084 TH |
1752 | "marked upgrade caused by W"); |
| 1753 | is(pack('W(W(WU0aC0@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), | |
| 1754 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by U0"); | |
| 1755 | ||
| 1756 | # a, A and Z | |
| 1757 | $down = "\xa4\xa6\xa7"; | |
| 1758 | $up = $down; | |
| 1759 | utf8::upgrade($up); | |
| 1760 | utf8::upgrade(my $high = "\xfeb"); | |
| 1761 | ||
| 1762 | for my $format ("a0", "A0", "Z0", "U0a0C0", "U0A0C0", "U0Z0C0") { | |
| 28be1210 | 1763 | is(pack("a* $format a*", "ab", $down, "cd"), "abcd", |
| f337b084 TH |
1764 | "$format format on plain string"); |
| 1765 | is(pack("a* $format a*", "ab", $up, "cd"), "abcd", | |
| 1766 | "$format format on upgraded string"); | |
| 28be1210 | 1767 | is(pack("a* $format a*", $high, $down, "cd"), "\xfebcd", |
| f337b084 TH |
1768 | "$format format on plain string"); |
| 1769 | is(pack("a* $format a*", $high, $up, "cd"), "\xfebcd", | |
| 1770 | "$format format on upgraded string"); | |
| 1771 | my @down = unpack("a1 $format a*", "\xfeb"); | |
| 1772 | is("@down", "\xfe b", "unpack $format"); | |
| 1773 | my @up = unpack("a1 $format a*", $high); | |
| 1774 | is("@up", "\xfe b", "unpack $format"); | |
| 1775 | } | |
| 1776 | is(pack("a1", $high), "\xfe"); | |
| 1777 | is(pack("A1", $high), "\xfe"); | |
| 1778 | is(pack("Z1", $high), "\x00"); | |
| 1779 | is(pack("a2", $high), "\xfeb"); | |
| 1780 | is(pack("A2", $high), "\xfeb"); | |
| 1781 | is(pack("Z2", $high), "\xfe\x00"); | |
| 1782 | is(pack("a5", $high), "\xfeb\x00\x00\x00"); | |
| 1783 | is(pack("A5", $high), "\xfeb "); | |
| 1784 | is(pack("Z5", $high), "\xfeb\x00\x00\x00"); | |
| 1785 | is(pack("a*", $high), "\xfeb"); | |
| 1786 | is(pack("A*", $high), "\xfeb"); | |
| 1787 | is(pack("Z*", $high), "\xfeb\x00"); | |
| 1788 | ||
| 1789 | utf8::upgrade($high = "\xc3\xbeb"); | |
| 1790 | is(pack("U0a2", $high), "\xfe"); | |
| 1791 | is(pack("U0A2", $high), "\xfe"); | |
| 1792 | is(pack("U0Z1", $high), "\x00"); | |
| 1793 | is(pack("U0a3", $high), "\xfeb"); | |
| 1794 | is(pack("U0A3", $high), "\xfeb"); | |
| 1795 | is(pack("U0Z3", $high), "\xfe\x00"); | |
| 1796 | is(pack("U0a6", $high), "\xfeb\x00\x00\x00"); | |
| 1797 | is(pack("U0A6", $high), "\xfeb "); | |
| 1798 | is(pack("U0Z6", $high), "\xfeb\x00\x00\x00"); | |
| 1799 | is(pack("U0a*", $high), "\xfeb"); | |
| 1800 | is(pack("U0A*", $high), "\xfeb"); | |
| 1801 | is(pack("U0Z*", $high), "\xfeb\x00"); | |
| 1802 | } | |
| 246f24af TH |
1803 | { |
| 1804 | # pack / | |
| 1805 | my @array = 1..14; | |
| 1806 | my @out = unpack("N/S", pack("N/S", @array) . "abcd"); | |
| 1807 | is("@out", "@array", "pack N/S works"); | |
| 1808 | @out = unpack("N/S*", pack("N/S*", @array) . "abcd"); | |
| 1809 | is("@out", "@array", "pack N/S* works"); | |
| 1810 | @out = unpack("N/S*", pack("N/S14", @array) . "abcd"); | |
| 1811 | is("@out", "@array", "pack N/S14 works"); | |
| 1812 | @out = unpack("N/S*", pack("N/S15", @array) . "abcd"); | |
| 1813 | is("@out", "@array", "pack N/S15 works"); | |
| 1814 | @out = unpack("N/S*", pack("N/S13", @array) . "abcd"); | |
| 1815 | is("@out", "@array[0..12]", "pack N/S13 works"); | |
| 1816 | @out = unpack("N/S*", pack("N/S0", @array) . "abcd"); | |
| 1817 | is("@out", "", "pack N/S0 works"); | |
| 1818 | is(pack("Z*/a0", "abc"), "0\0", "pack Z*/a0 makes a short string"); | |
| 1819 | is(pack("Z*/Z0", "abc"), "0\0", "pack Z*/Z0 makes a short string"); | |
| 1820 | is(pack("Z*/a3", "abc"), "3\0abc", "pack Z*/a3 makes a full string"); | |
| 1821 | is(pack("Z*/Z3", "abc"), "3\0ab\0", "pack Z*/Z3 makes a short string"); | |
| 1822 | is(pack("Z*/a5", "abc"), "5\0abc\0\0", "pack Z*/a5 makes a long string"); | |
| 1823 | is(pack("Z*/Z5", "abc"), "5\0abc\0\0", "pack Z*/Z5 makes a long string"); | |
| 1824 | is(pack("Z*/Z"), "1\0\0", "pack Z*/Z makes an extended string"); | |
| 1825 | is(pack("Z*/Z", ""), "1\0\0", "pack Z*/Z makes an extended string"); | |
| 1826 | is(pack("Z*/a", ""), "0\0", "pack Z*/a makes an extended string"); | |
| 1827 | } | |
| 18bdf90a TH |
1828 | { |
| 1829 | # unpack("A*", $unicode) strips general unicode spaces | |
| 28be1210 | 1830 | is(unpack("A*", "ab \n\xa0 \0"), "ab \n\xa0", |
| 18bdf90a | 1831 | 'normal A* strip leaves \xa0'); |
| 28be1210 | 1832 | is(unpack("U0C0A*", "ab \n\xa0 \0"), "ab \n\xa0", |
| 18bdf90a TH |
1833 | 'normal A* strip leaves \xa0 even if it got upgraded for technical reasons'); |
| 1834 | is(unpack("A*", pack("a*(U0U)a*", "ab \n", 0xa0, " \0")), "ab", | |
| 1835 | 'upgraded strings A* removes \xa0'); | |
| 1836 | is(unpack("A*", pack("a*(U0UU)a*", "ab \n", 0xa0, 0x1680, " \0")), "ab", | |
| 1837 | 'upgraded strings A* removes all unicode whitespace'); | |
| 1838 | is(unpack("A5", pack("a*(U0U)a*", "ab \n", 0x1680, "def", "ab")), "ab", | |
| 1839 | 'upgraded strings A5 removes all unicode whitespace'); | |
| 1840 | is(unpack("A*", pack("U", 0x1680)), "", | |
| 1841 | 'upgraded strings A* with nothing left'); | |
| 1842 | } | |
| 28be1210 TH |
1843 | { |
| 1844 | # Testing unpack . and .! | |
| 1845 | is(unpack(".", "ABCD"), 0, "offset at start of string is 0"); | |
| 1846 | is(unpack(".", ""), 0, "offset at start of empty string is 0"); | |
| 1847 | is(unpack("x3.", "ABCDEF"), 3, "simple offset works"); | |
| 1848 | is(unpack("x3.", "ABC"), 3, "simple offset at end of string works"); | |
| 1849 | is(unpack("x3.0", "ABC"), 0, "self offset is 0"); | |
| 1850 | is(unpack("x3(x2.)", "ABCDEF"), 2, "offset is relative to inner group"); | |
| 1851 | is(unpack("x3(X2.)", "ABCDEF"), -2, | |
| 1852 | "negative offset relative to inner group"); | |
| 1853 | is(unpack("x3(X2.2)", "ABCDEF"), 1, "offset is relative to inner group"); | |
| 1854 | is(unpack("x3(x2.0)", "ABCDEF"), 0, "self offset in group is still 0"); | |
| 1855 | is(unpack("x3(x2.2)", "ABCDEF"), 5, "offset counts groups"); | |
| 1856 | is(unpack("x3(x2.*)", "ABCDEF"), 5, "star offset is relative to start"); | |
| 1857 | ||
| 1858 | my $high = chr(8188) x 6; | |
| 1859 | is(unpack("x3(x2.)", $high), 2, "utf8 offset is relative to inner group"); | |
| 1860 | is(unpack("x3(X2.)", $high), -2, | |
| 1861 | "utf8 negative offset relative to inner group"); | |
| 1862 | is(unpack("x3(X2.2)", $high), 1, "utf8 offset counts groups"); | |
| 1863 | is(unpack("x3(x2.0)", $high), 0, "utf8 self offset in group is still 0"); | |
| 1864 | is(unpack("x3(x2.2)", $high), 5, "utf8 offset counts groups"); | |
| 1865 | is(unpack("x3(x2.*)", $high), 5, "utf8 star offset is relative to start"); | |
| 1866 | ||
| 1867 | is(unpack("U0x3(x2.)", $high), 2, | |
| 1868 | "U0 mode utf8 offset is relative to inner group"); | |
| 1869 | is(unpack("U0x3(X2.)", $high), -2, | |
| 1870 | "U0 mode utf8 negative offset relative to inner group"); | |
| 1871 | is(unpack("U0x3(X2.2)", $high), 1, | |
| 1872 | "U0 mode utf8 offset counts groups"); | |
| 1873 | is(unpack("U0x3(x2.0)", $high), 0, | |
| 1874 | "U0 mode utf8 self offset in group is still 0"); | |
| 1875 | is(unpack("U0x3(x2.2)", $high), 5, | |
| 1876 | "U0 mode utf8 offset counts groups"); | |
| 1877 | is(unpack("U0x3(x2.*)", $high), 5, | |
| 1878 | "U0 mode utf8 star offset is relative to start"); | |
| 1879 | ||
| 1880 | is(unpack("x3(x2.!)", $high), 2*3, | |
| 1881 | "utf8 offset is relative to inner group"); | |
| 1882 | is(unpack("x3(X2.!)", $high), -2*3, | |
| 1883 | "utf8 negative offset relative to inner group"); | |
| 1884 | is(unpack("x3(X2.!2)", $high), 1*3, | |
| 1885 | "utf8 offset counts groups"); | |
| 1886 | is(unpack("x3(x2.!0)", $high), 0, | |
| 1887 | "utf8 self offset in group is still 0"); | |
| 1888 | is(unpack("x3(x2.!2)", $high), 5*3, | |
| 1889 | "utf8 offset counts groups"); | |
| 1890 | is(unpack("x3(x2.!*)", $high), 5*3, | |
| 1891 | "utf8 star offset is relative to start"); | |
| 1892 | ||
| 1893 | is(unpack("U0x3(x2.!)", $high), 2, | |
| 1894 | "U0 mode utf8 offset is relative to inner group"); | |
| 1895 | is(unpack("U0x3(X2.!)", $high), -2, | |
| 1896 | "U0 mode utf8 negative offset relative to inner group"); | |
| 1897 | is(unpack("U0x3(X2.!2)", $high), 1, | |
| 1898 | "U0 mode utf8 offset counts groups"); | |
| 1899 | is(unpack("U0x3(x2.!0)", $high), 0, | |
| 1900 | "U0 mode utf8 self offset in group is still 0"); | |
| 1901 | is(unpack("U0x3(x2.!2)", $high), 5, | |
| 1902 | "U0 mode utf8 offset counts groups"); | |
| 1903 | is(unpack("U0x3(x2.!*)", $high), 5, | |
| 1904 | "U0 mode utf8 star offset is relative to start"); | |
| 1905 | } | |
| 1906 | { | |
| 1907 | # Testing pack . and .! | |
| 1908 | is(pack("(a)5 .", 1..5, 3), "123", ". relative to string start, shorten"); | |
| 1909 | eval { () = pack("(a)5 .", 1..5, -3) }; | |
| 1910 | like($@, qr{'\.' outside of string in pack}, "Proper error message"); | |
| 1911 | is(pack("(a)5 .", 1..5, 8), "12345\x00\x00\x00", | |
| 1912 | ". relative to string start, extend"); | |
| 1913 | is(pack("(a)5 .", 1..5, 5), "12345", ". relative to string start, keep"); | |
| 1914 | ||
| 1915 | is(pack("(a)5 .0", 1..5, -3), "12", | |
| 1916 | ". relative to string current, shorten"); | |
| 1917 | is(pack("(a)5 .0", 1..5, 2), "12345\x00\x00", | |
| 1918 | ". relative to string current, extend"); | |
| 1919 | is(pack("(a)5 .0", 1..5, 0), "12345", | |
| 1920 | ". relative to string current, keep"); | |
| 1921 | ||
| 1922 | is(pack("(a)5 (.)", 1..5, -3), "12", | |
| 1923 | ". relative to group, shorten"); | |
| 1924 | is(pack("(a)5 (.)", 1..5, 2), "12345\x00\x00", | |
| 1925 | ". relative to group, extend"); | |
| 1926 | is(pack("(a)5 (.)", 1..5, 0), "12345", | |
| 1927 | ". relative to group, keep"); | |
| 1928 | ||
| 1929 | is(pack("(a)3 ((a)2 .)", 1..5, -2), "1", | |
| 1930 | ". relative to group, shorten"); | |
| 1931 | is(pack("(a)3 ((a)2 .)", 1..5, 2), "12345", | |
| 1932 | ". relative to group, keep"); | |
| 1933 | is(pack("(a)3 ((a)2 .)", 1..5, 4), "12345\x00\x00", | |
| 1934 | ". relative to group, extend"); | |
| 1935 | ||
| 1936 | is(pack("(a)3 ((a)2 .2)", 1..5, 2), "12", | |
| 1937 | ". relative to counted group, shorten"); | |
| 1938 | is(pack("(a)3 ((a)2 .2)", 1..5, 7), "12345\x00\x00", | |
| 1939 | ". relative to counted group, extend"); | |
| 1940 | is(pack("(a)3 ((a)2 .2)", 1..5, 5), "12345", | |
| 1941 | ". relative to counted group, keep"); | |
| 1942 | ||
| 1943 | is(pack("(a)3 ((a)2 .*)", 1..5, 2), "12", | |
| 1944 | ". relative to start, shorten"); | |
| 1945 | is(pack("(a)3 ((a)2 .*)", 1..5, 7), "12345\x00\x00", | |
| 1946 | ". relative to start, extend"); | |
| 1947 | is(pack("(a)3 ((a)2 .*)", 1..5, 5), "12345", | |
| 1948 | ". relative to start, keep"); | |
| 1949 | ||
| 1950 | is(pack('(a)5 (. @2 a)', 1..5, -3, "a"), "12\x00\x00a", | |
| 1951 | ". based shrink properly updates group starts"); | |
| 1952 | ||
| 1953 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, -2), "\x{301}", | |
| 1954 | "utf8 . relative to group, shorten"); | |
| 1955 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, 2), | |
| 1956 | "\x{301}\x{302}\x{303}\x{304}\x{305}", | |
| 1957 | "utf8 . relative to group, keep"); | |
| 1958 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, 4), | |
| 1959 | "\x{301}\x{302}\x{303}\x{304}\x{305}\x00\x00", | |
| 1960 | "utf8 . relative to group, extend"); | |
| 1961 | ||
| 1962 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, -2), "\x{301}\x{302}", | |
| 1963 | "utf8 . relative to group, shorten"); | |
| 1964 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, 4), | |
| 1965 | "\x{301}\x{302}\x{303}\x{304}\x{305}", | |
| 1966 | "utf8 . relative to group, keep"); | |
| 1967 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, 6), | |
| 1968 | "\x{301}\x{302}\x{303}\x{304}\x{305}\x00\x00", | |
| 1969 | "utf8 . relative to group, extend"); | |
| 1970 | ||
| 1971 | is(pack('(W)5 (. @2 a)', 0x301..0x305, -3, "a"), | |
| 1972 | "\x{301}\x{302}\x00\x00a", | |
| 1973 | "utf8 . based shrink properly updates group starts"); | |
| 1974 | } | |
| 1975 | { | |
| 1976 | # Testing @! | |
| 1977 | is(pack('a* @3', "abcde"), "abc", 'Test basic @'); | |
| 1978 | is(pack('a* @!3', "abcde"), "abc", 'Test basic @!'); | |
| 1979 | is(pack('a* @2', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{301}\x{302}", | |
| 1980 | 'Test basic utf8 @'); | |
| 1981 | is(pack('a* @!2', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{301}", | |
| 1982 | 'Test basic utf8 @!'); | |
| 1983 | ||
| 1984 | is(unpack('@4 a*', "abcde"), "e", 'Test basic @'); | |
| 1985 | is(unpack('@!4 a*', "abcde"), "e", 'Test basic @!'); | |
| 1986 | is(unpack('@4 a*', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{305}", | |
| 1987 | 'Test basic utf8 @'); | |
| 1988 | is(unpack('@!4 a*', "\x{301}\x{302}\x{303}\x{304}\x{305}"), | |
| 1989 | "\x{303}\x{304}\x{305}", 'Test basic utf8 @!'); | |
| 1990 | } | |
| c6f750d1 NC |
1991 | { |
| 1992 | #50256 | |
| 1993 | my ($v) = split //, unpack ('(B)*', 'ab'); | |
| 1994 | is($v, 0); # Doesn't SEGV :-) | |
| 1995 | } | |
| 858fe5e1 TC |
1996 | { |
| 1997 | #73814 | |
| 1998 | my $x = runperl( prog => 'print split( /,/, unpack(q(%2H*), q(hello world))), qq(\n)' ); | |
| 1999 | is($x, "0\n", "split /a/, unpack('%2H*'...) didn't crash"); | |
| 2000 | ||
| 2001 | my $y = runperl( prog => 'print split( /,/, unpack(q(%32u*), q(#,3,Q)), qq(\n)), qq(\n)' ); | |
| 2002 | is($y, "0\n", "split /a/, unpack('%32u*'...) didn't crash"); | |
| 2003 | } | |
| c5333953 FC |
2004 | |
| 2005 | #90160 | |
| 2006 | is(eval { () = unpack "C0 U*", ""; "ok" }, "ok", | |
| 2007 | 'medial U* on empty string'); |