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