Commit | Line | Data |
d50dd4e4 |
1 | #!./perl -w |
a687059c |
2 | |
a1a0e61e |
3 | BEGIN { |
4 | chdir 't' if -d 't'; |
20822f61 |
5 | @INC = '../lib'; |
0b568b5f |
6 | require './test.pl'; |
b23b8711 |
7 | } |
8 | |
d9db00a6 |
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 | |
18bdf90a |
15 | plan tests => 14627; |
0b568b5f |
16 | |
fa8ec7c1 |
17 | use strict; |
18 | use warnings; |
b23b8711 |
19 | use Config; |
20 | |
fa8ec7c1 |
21 | my $Is_EBCDIC = (defined $Config{ebcdic} && $Config{ebcdic} eq 'define'); |
0b568b5f |
22 | my $Perl = which_perl(); |
1109a392 |
23 | my @valid_errors = (qr/^Invalid type '\w'/); |
24 | |
25 | my $ByteOrder = 'unknown'; |
26 | my $maybe_not_avail = '(?:hto[bl]e|[bl]etoh)'; |
d9db00a6 |
27 | if ($no_endianness) { |
28 | push @valid_errors, qr/^Invalid type '[<>]'/; |
29 | } elsif ($Config{byteorder} =~ /^1234(?:5678)?$/) { |
1109a392 |
30 | $ByteOrder = 'little'; |
31 | $maybe_not_avail = '(?:htobe|betoh)'; |
32 | } |
33 | elsif ($Config{byteorder} =~ /^(?:8765)?4321$/) { |
34 | $ByteOrder = 'big'; |
35 | $maybe_not_avail = '(?:htole|letoh)'; |
36 | } |
37 | else { |
38 | push @valid_errors, qr/^Can't (?:un)?pack (?:big|little)-endian .*? on this platform/; |
39 | } |
40 | |
d9db00a6 |
41 | if ($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 ) { |
46 | if (exists $Config{"u${size}size"} and $Config{"u${size}size"} != ($size >> 3)) { |
47 | push @valid_errors, qr/^Perl_my_$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 |
67 | if (@result == 1) { |
68 | return @result; |
69 | } |
70 | return '(' . join (', ', @result) . ')'; |
71 | } |
72 | |
a1a0e61e |
73 | |
b85d93de |
74 | sub list_eq ($$) { |
75 | my ($l, $r) = @_; |
c8f824eb |
76 | return 0 unless @$l == @$r; |
b85d93de |
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 |
82 | } |
83 | } |
84 | return 1; |
85 | } |
86 | |
87 | ############################################################################## |
88 | # |
89 | # Here starteth the tests |
90 | # |
91 | |
fa8ec7c1 |
92 | { |
0b568b5f |
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 |
112 | # How about counting bits? |
113 | |
fa8ec7c1 |
114 | { |
0b568b5f |
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 |
124 | my $sum = 129; # ASCII |
125 | $sum = 103 if $Is_EBCDIC; |
9d116dd7 |
126 | |
0b568b5f |
127 | my $x; |
128 | is( ($x = unpack("%32B*", "Now is the time for all good blurfl")), $sum ); |
79072805 |
129 | |
0b568b5f |
130 | my $foo; |
131 | open(BIN, $Perl) || die "Can't open $Perl: $!\n"; |
132 | sysread BIN, $foo, 8192; |
133 | close BIN; |
79072805 |
134 | |
0b568b5f |
135 | $sum = unpack("%32b*", $foo); |
136 | my $longway = unpack("b*", $foo); |
137 | is( $sum, $longway =~ tr/1/1/ ); |
fa8ec7c1 |
138 | } |
73a1c01a |
139 | |
fa8ec7c1 |
140 | { |
141 | my $x; |
0b568b5f |
142 | is( ($x = unpack("I",pack("I", 0xFFFFFFFF))), 0xFFFFFFFF ); |
fa8ec7c1 |
143 | } |
def98dd4 |
144 | |
fa8ec7c1 |
145 | { |
0b568b5f |
146 | # check 'w' |
147 | my @x = (5,130,256,560,32000,3097152,268435455,1073741844, 2**33, |
148 | '4503599627365785','23728385234614992549757750638446'); |
149 | my $x = pack('w*', @x); |
150 | my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f8480808014A0808'. |
151 | '0800087ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; |
152 | |
153 | is($x, $y); |
154 | |
155 | my @y = unpack('w*', $y); |
156 | my $a; |
157 | while ($a = pop @x) { |
158 | my $b = pop @y; |
159 | is($a, $b); |
160 | } |
def98dd4 |
161 | |
0b568b5f |
162 | @y = unpack('w2', $x); |
def98dd4 |
163 | |
0b568b5f |
164 | is(scalar(@y), 2); |
165 | is($y[1], 130); |
a6c48a57 |
166 | $x = pack('w*', 5000000000); $y = ''; |
167 | eval { |
168 | use Math::BigInt; |
169 | $y = pack('w*', Math::BigInt::->new(5000000000)); |
170 | }; |
171 | is($x, $y); |
196b62db |
172 | |
173 | $x = pack 'w', ~0; |
174 | $y = pack 'w', (~0).''; |
175 | is($x, $y); |
176 | is(unpack ('w',$x), ~0); |
177 | is(unpack ('w',$y), ~0); |
178 | |
179 | $x = pack 'w', ~0 - 1; |
180 | $y = pack 'w', (~0) - 2; |
181 | |
182 | if (~0 - 1 == (~0) - 2) { |
183 | is($x, $y, "NV arithmetic"); |
184 | } else { |
185 | isnt($x, $y, "IV/NV arithmetic"); |
186 | } |
187 | cmp_ok(unpack ('w',$x), '==', ~0 - 1); |
188 | cmp_ok(unpack ('w',$y), '==', ~0 - 2); |
203d3f29 |
189 | |
190 | # These should spot that pack 'w' is using NV, not double, on platforms |
191 | # where IVs are smaller than doubles, and harmlessly pass elsewhere. |
192 | # (tests for change 16861) |
193 | my $x0 = 2**54+3; |
194 | my $y0 = 2**54-2; |
195 | |
196 | $x = pack 'w', $x0; |
197 | $y = pack 'w', $y0; |
198 | |
199 | if ($x0 == $y0) { |
200 | is($x, $y, "NV arithmetic"); |
201 | } else { |
202 | isnt($x, $y, "IV/NV arithmetic"); |
203 | } |
204 | cmp_ok(unpack ('w',$x), '==', $x0); |
205 | cmp_ok(unpack ('w',$y), '==', $y0); |
fa8ec7c1 |
206 | } |
def98dd4 |
207 | |
0b568b5f |
208 | |
fa8ec7c1 |
209 | { |
40837afc |
210 | print "# test exceptions\n"; |
fa8ec7c1 |
211 | my $x; |
212 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
0b568b5f |
213 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
214 | |
fa8ec7c1 |
215 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
216 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
217 | |
fa8ec7c1 |
218 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
219 | like($@, qr/^Unterminated compressed integer/); |
0258719b |
220 | |
221 | eval { $x = pack 'w', -1 }; |
222 | like ($@, qr/^Cannot compress negative numbers/); |
223 | |
224 | eval { $x = pack 'w', '1'x(1 + length ~0) . 'e0' }; |
225 | like ($@, qr/^Can only compress unsigned integers/); |
226 | |
9391b049 |
227 | # Check that the warning behaviour on the modifiers !, < and > is as we |
228 | # expect it for this perl. |
229 | my $can_endian = $no_endianness ? '' : 'sSiIlLqQjJfFdDpP'; |
230 | my $can_shriek = 'sSiIlL'; |
efb78d13 |
231 | $can_shriek .= 'nNvV' unless $no_signedness; |
9391b049 |
232 | # h and H can't do either, so act as sanity checks in blead |
efb78d13 |
233 | foreach my $base (split '', 'hHsSiIlLqQjJfFdDpPnNvV') { |
9391b049 |
234 | foreach my $mod ('', '<', '>', '!', '<!', '>!', '!<', '!>') { |
235 | SKIP: { |
236 | # Avoid void context warnings. |
237 | my $a = eval {pack "$base$mod"}; |
238 | skip "pack can't $base", 1 if $@ =~ /^Invalid type '\w'/; |
239 | # Which error you get when 2 would be possible seems to be emergent |
240 | # behaviour of pack's format parser. |
241 | |
242 | my $fails_shriek = $mod =~ /!/ && index ($can_shriek, $base) == -1; |
243 | my $fails_endian = $mod =~ /[<>]/ && index ($can_endian, $base) == -1; |
244 | my $shriek_first = $mod =~ /^!/; |
245 | |
246 | if ($no_endianness and ($mod eq '<!' or $mod eq '>!')) { |
247 | # The ! isn't seem as part of $base. Instead it's seen as a modifier |
248 | # on > or < |
249 | $fails_shriek = 1; |
250 | undef $fails_endian; |
251 | } elsif ($fails_shriek and $fails_endian) { |
252 | if ($shriek_first) { |
253 | undef $fails_endian; |
254 | } |
255 | } |
256 | |
257 | if ($fails_endian) { |
258 | if ($no_endianness) { |
259 | # < and > are seen as pattern letters, not modifiers |
260 | like ($@, qr/^Invalid type '[<>]'/, "pack can't $base$mod"); |
261 | } else { |
262 | like ($@, qr/^'[<>]' allowed only after types/, |
263 | "pack can't $base$mod"); |
264 | } |
265 | } elsif ($fails_shriek) { |
266 | like ($@, qr/^'!' allowed only after types/, |
267 | "pack can't $base$mod"); |
268 | } else { |
269 | is ($@, '', "pack can $base$mod"); |
270 | } |
271 | } |
272 | } |
273 | } |
274 | |
d9db00a6 |
275 | SKIP: { |
276 | skip $no_endianness, 2*3 + 2*8 if $no_endianness; |
277 | for my $mod (qw( ! < > )) { |
278 | eval { $x = pack "a$mod", 42 }; |
279 | like ($@, qr/^'$mod' allowed only after types \S+ in pack/); |
1109a392 |
280 | |
d9db00a6 |
281 | eval { $x = unpack "a$mod", 'x'x8 }; |
282 | like ($@, qr/^'$mod' allowed only after types \S+ in unpack/); |
283 | } |
1109a392 |
284 | |
d9db00a6 |
285 | for my $mod (qw( <> >< !<> !>< <!> >!< <>! ><! )) { |
286 | eval { $x = pack "sI${mod}s", 42, 47, 11 }; |
287 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in pack/); |
1109a392 |
288 | |
d9db00a6 |
289 | eval { $x = unpack "sI${mod}s", 'x'x16 }; |
290 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in unpack/); |
291 | } |
1109a392 |
292 | } |
293 | |
0258719b |
294 | SKIP: { |
295 | # Is this a stupid thing to do on VMS, VOS and other unusual platforms? |
71f93cb9 |
296 | |
b987f19e |
297 | skip("-- the IEEE infinity model is unavailable in this configuration.", 1) |
71f93cb9 |
298 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
299 | |
b987f19e |
300 | skip("-- $^O has serious fp indigestion on w-packed infinities", 1) |
5688dfbf |
301 | if ( |
302 | ($^O eq 'mpeix') |
303 | || |
304 | ($^O eq 'ultrix') |
305 | || |
cd512f8e |
306 | ($^O =~ /^svr4/ && -f "/etc/issue" && -f "/etc/.relid") # NCR MP-RAS |
5688dfbf |
307 | ); |
8b571b32 |
308 | |
1109a392 |
309 | my $inf = eval '2**1000000'; |
0258719b |
310 | |
b987f19e |
311 | skip("Couldn't generate infinity - got error '$@'", 1) |
71b080b8 |
312 | unless defined $inf and $inf == $inf / 2 and $inf + 1 == $inf; |
0258719b |
313 | |
46ff39aa |
314 | local our $TODO; |
315 | $TODO = "VOS needs a fix for posix-1022 to pass this test." |
316 | if ($^O eq 'vos'); |
317 | |
0258719b |
318 | eval { $x = pack 'w', $inf }; |
46ff39aa |
319 | like ($@, qr/^Cannot compress integer/, "Cannot compress integer"); |
0258719b |
320 | } |
321 | |
322 | SKIP: { |
71f93cb9 |
323 | |
b987f19e |
324 | skip("-- the full range of an IEEE double may not be available in this configuration.", 3) |
71f93cb9 |
325 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
326 | |
b987f19e |
327 | skip("-- $^O does not like 2**1023", 3) |
ad415dae |
328 | if (($^O eq 'ultrix')); |
329 | |
0258719b |
330 | # This should be about the biggest thing possible on an IEEE double |
331 | my $big = eval '2**1023'; |
332 | |
b987f19e |
333 | skip("Couldn't generate 2**1023 - got error '$@'", 3) |
0258719b |
334 | unless defined $big and $big != $big / 2; |
335 | |
336 | eval { $x = pack 'w', $big }; |
337 | is ($@, '', "Should be able to pack 'w', $big # 2**1023"); |
338 | |
339 | my $y = eval {unpack 'w', $x}; |
340 | is ($@, '', |
341 | "Should be able to unpack 'w' the result of pack 'w', $big # 2**1023"); |
342 | |
343 | # I'm getting about 1e-16 on FreeBSD |
344 | my $quotient = int (100 * ($y - $big) / $big); |
345 | ok($quotient < 2 && $quotient > -2, |
1109a392 |
346 | "Round trip pack, unpack 'w' of $big is within 1% ($quotient%)"); |
0258719b |
347 | } |
348 | |
fa8ec7c1 |
349 | } |
def98dd4 |
350 | |
40837afc |
351 | print "# test the 'p' template\n"; |
84902520 |
352 | |
353 | # literals |
0b568b5f |
354 | is(unpack("p",pack("p","foo")), "foo"); |
d9db00a6 |
355 | SKIP: { |
356 | skip $no_endianness, 2 if $no_endianness; |
357 | is(unpack("p<",pack("p<","foo")), "foo"); |
358 | is(unpack("p>",pack("p>","foo")), "foo"); |
359 | } |
84902520 |
360 | # scalars |
0b568b5f |
361 | is(unpack("p",pack("p",239)), 239); |
d9db00a6 |
362 | SKIP: { |
363 | skip $no_endianness, 2 if $no_endianness; |
364 | is(unpack("p<",pack("p<",239)), 239); |
365 | is(unpack("p>",pack("p>",239)), 239); |
366 | } |
84902520 |
367 | |
368 | # temps |
369 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
370 | { |
9f1b1f2d |
371 | use warnings; |
0b568b5f |
372 | my $warning; |
84902520 |
373 | local $SIG{__WARN__} = sub { |
0b568b5f |
374 | $warning = $_[0]; |
84902520 |
375 | }; |
376 | my $junk = pack("p", &foo); |
0b568b5f |
377 | |
378 | like($warning, qr/temporary val/); |
84902520 |
379 | } |
380 | |
381 | # undef should give null pointer |
1109a392 |
382 | like(pack("p", undef), qr/^\0+$/); |
d9db00a6 |
383 | SKIP: { |
384 | skip $no_endianness, 2 if $no_endianness; |
385 | like(pack("p<", undef), qr/^\0+$/); |
386 | like(pack("p>", undef), qr/^\0+$/); |
387 | } |
84902520 |
388 | |
20408e3c |
389 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
390 | # 4294967295 instead of -1) |
391 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
392 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
393 | |
1109a392 |
394 | print "# test the pack lengths of s S i I l L n N v V + modifiers\n"; |
395 | |
396 | my @lengths = ( |
397 | 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), |
398 | 's!' => $Config{shortsize}, 'S!' => $Config{shortsize}, |
399 | 'i!' => $Config{intsize}, 'I!' => $Config{intsize}, |
400 | 'l!' => $Config{longsize}, 'L!' => $Config{longsize}, |
401 | ); |
402 | |
403 | while (my ($base, $expect) = splice @lengths, 0, 2) { |
404 | my @formats = ($base); |
405 | $base =~ /^[nv]/i or push @formats, "$base>", "$base<"; |
406 | for my $format (@formats) { |
d9db00a6 |
407 | SKIP: { |
408 | skip $no_endianness, 1 if $no_endianness && $format =~ m/[<>]/; |
409 | skip $no_signedness, 1 if $no_signedness && $format =~ /[nNvV]!/; |
410 | my $len = length(pack($format, 0)); |
411 | if ($expect > 0) { |
412 | is($expect, $len, "format '$format'"); |
413 | } else { |
414 | $expect = -$expect; |
415 | ok ($len >= $expect, "format '$format'") || |
416 | print "# format '$format' has length $len, expected >= $expect\n"; |
417 | } |
1109a392 |
418 | } |
fa8ec7c1 |
419 | } |
420 | } |
d4217c7e |
421 | |
d4217c7e |
422 | |
40837afc |
423 | print "# test unpack-pack lengths\n"; |
424 | |
f337b084 |
425 | my @templates = qw(c C W i I s S l L n N v V f d q Q); |
d4217c7e |
426 | |
1109a392 |
427 | foreach my $base (@templates) { |
428 | my @tmpl = ($base); |
f337b084 |
429 | $base =~ /^[cwnv]/i or push @tmpl, "$base>", "$base<"; |
1109a392 |
430 | foreach my $t (@tmpl) { |
431 | SKIP: { |
432 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
0b568b5f |
433 | |
1109a392 |
434 | skip "cannot pack '$t' on this perl", 4 |
435 | if is_valid_error($@); |
3020ec7a |
436 | |
86704b5f |
437 | is( $@, '', "Template $t works"); |
1109a392 |
438 | is(scalar @t, 2); |
3020ec7a |
439 | |
0b568b5f |
440 | is($t[0], 12); |
441 | is($t[1], 34); |
442 | } |
0b568b5f |
443 | } |
d4217c7e |
444 | } |
9d116dd7 |
445 | |
fa8ec7c1 |
446 | { |
0b568b5f |
447 | # uuencode/decode |
9d116dd7 |
448 | |
0b568b5f |
449 | # Note that first uuencoding known 'text' data and then checking the |
450 | # binary values of the uuencoded version would not be portable between |
451 | # character sets. Uuencoding is meant for encoding binary data, not |
452 | # text data. |
c4d5f83a |
453 | |
0b568b5f |
454 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
455 | |
0b568b5f |
456 | # just to be anal, we do some random tr/`/ / |
457 | my $uu = <<'EOUU'; |
ba1ac976 |
458 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
459 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
460 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
461 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
462 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
463 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
464 | EOUU |
465 | |
0b568b5f |
466 | $_ = $uu; |
467 | tr/ /`/; |
9d116dd7 |
468 | |
0b568b5f |
469 | is(pack('u', $in), $_); |
fa8ec7c1 |
470 | |
0b568b5f |
471 | is(unpack('u', $uu), $in); |
9d116dd7 |
472 | |
0b568b5f |
473 | $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"; |
474 | $uu = <<'EOUU'; |
eddc390b |
475 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
476 | &8%P:```` |
477 | EOUU |
478 | |
0b568b5f |
479 | is(unpack('u', $uu), $in); |
eddc390b |
480 | |
0b568b5f |
481 | # This is identical to the above except that backquotes have been |
482 | # changed to spaces |
eddc390b |
483 | |
0b568b5f |
484 | $uu = <<'EOUU'; |
eddc390b |
485 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
486 | &8%P: |
eddc390b |
487 | EOUU |
488 | |
0b568b5f |
489 | # ' # Grr |
490 | is(unpack('u', $uu), $in); |
ef54e1a4 |
491 | |
d99ad34e |
492 | } |
726ea183 |
493 | |
0b568b5f |
494 | # test the ascii template types (A, a, Z) |
726ea183 |
495 | |
fa8ec7c1 |
496 | foreach ( |
0b568b5f |
497 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
498 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
499 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
500 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
501 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
502 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
503 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
504 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
505 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
506 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
507 | ['p', 'Z3', "foo", "fo\0"], |
508 | ['u', 'Z*', "foo\0bar \0", "foo"], |
509 | ['u', 'Z8', "foo\0bar \0", "foo"], |
510 | ) |
511 | { |
512 | my ($what, $template, $in, $out) = @$_; |
513 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
514 | unless (is($got, $out)) { |
0b568b5f |
515 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
516 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
517 | ' not '._qq($got)."\n"; |
0b568b5f |
518 | } |
d99ad34e |
519 | } |
726ea183 |
520 | |
40837afc |
521 | print "# packing native shorts/ints/longs\n"; |
726ea183 |
522 | |
0b568b5f |
523 | is(length(pack("s!", 0)), $Config{shortsize}); |
524 | is(length(pack("i!", 0)), $Config{intsize}); |
525 | is(length(pack("l!", 0)), $Config{longsize}); |
526 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
527 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
528 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
529 | |
fa8ec7c1 |
530 | sub numbers { |
1109a392 |
531 | my $base = shift; |
532 | my @formats = ($base); |
533 | $base =~ /^[silqjfdp]/i and push @formats, "$base>", "$base<"; |
534 | for my $format (@formats) { |
535 | numbers_with_total ($format, undef, @_); |
536 | } |
d99ad34e |
537 | } |
726ea183 |
538 | |
fa8ec7c1 |
539 | sub numbers_with_total { |
540 | my $format = shift; |
541 | my $total = shift; |
542 | if (!defined $total) { |
543 | foreach (@_) { |
544 | $total += $_; |
545 | } |
546 | } |
40837afc |
547 | print "# numbers test for $format\n"; |
fa8ec7c1 |
548 | foreach (@_) { |
0b568b5f |
549 | SKIP: { |
550 | my $out = eval {unpack($format, pack($format, $_))}; |
1109a392 |
551 | skip "cannot pack '$format' on this perl", 2 |
552 | if is_valid_error($@); |
0b568b5f |
553 | |
96b96e00 |
554 | is($@, '', "no error"); |
555 | is($out, $_, "unpack pack $format $_"); |
fa8ec7c1 |
556 | } |
fa8ec7c1 |
557 | } |
726ea183 |
558 | |
fa8ec7c1 |
559 | my $skip_if_longer_than = ~0; # "Infinity" |
560 | if (~0 - 1 == ~0) { |
561 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
562 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
563 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
564 | # is using UV maths, and we've only got NVs. |
53133ed1 |
565 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
fa8ec7c1 |
566 | } |
726ea183 |
567 | |
fa8ec7c1 |
568 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
569 | SKIP: { |
570 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
571 | skip "cannot pack '$format' on this perl", 3 |
1109a392 |
572 | if is_valid_error($@); |
0b568b5f |
573 | |
96b96e00 |
574 | is($@, '', "no error"); |
575 | ok(defined $sum, "sum bits $_, format $format defined"); |
0b568b5f |
576 | |
577 | my $len = $_; # Copy, so that we can reassign '' |
578 | $len = 16 unless length $len; |
579 | |
580 | SKIP: { |
581 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
582 | if $len > $skip_if_longer_than; |
583 | |
584 | # Our problem with testing this portably is that the checksum code in |
585 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
586 | # arithmetic in unsigned ints, which perl has no operators to do. |
587 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
588 | # fine with ANSI, but not with most people's assumptions. |
589 | # This is why we need to supply the totals for 'Q' as there's no way in |
590 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
591 | # ** returns NVs; make sure it's IV. |
592 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
593 | my $max_p1 = $max + 1; |
594 | my ($max_is_integer, $max_p1_is_integer); |
595 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
596 | $max_is_integer = 1 if $max - 1 < ~0; |
597 | |
598 | my $calc_sum; |
599 | if (ref $total) { |
600 | $calc_sum = &$total($len); |
601 | } else { |
602 | $calc_sum = $total; |
603 | # Shift into range by some multiple of the total |
53f3fd80 |
604 | my $mult = $max_p1 ? int ($total / $max_p1) : undef; |
0b568b5f |
605 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
606 | $calc_sum = $total - $mult; |
607 | $calc_sum -= $mult * $max; |
608 | if ($calc_sum < 0) { |
609 | $calc_sum += 1; |
610 | $calc_sum += $max; |
611 | } |
612 | } |
613 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
614 | # we're into floating point (either by getting out of the range of |
615 | # UV arithmetic, or because we're doing a floating point checksum) |
616 | # and our calculation of the checksum has become rounded up to |
617 | # max_checksum + 1 |
618 | $calc_sum = 0; |
619 | } |
620 | |
0dccb3d1 |
621 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
96b96e00 |
622 | pass ("unpack '%$_$format' gave $sum"); |
0b568b5f |
623 | } else { |
624 | my $delta = 1.000001; |
625 | if ($format =~ tr /dDfF// |
626 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
627 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
628 | } else { |
629 | my $text = ref $total ? &$total($len) : $total; |
630 | fail; |
631 | print "# For list (" . join (", ", @_) . ") (total $text)" |
632 | . " packed with $format unpack '%$_$format' gave $sum," |
633 | . " expected $calc_sum\n"; |
634 | } |
635 | } |
fa8ec7c1 |
636 | } |
96b96e00 |
637 | } |
2e821511 |
638 | } |
639 | } |
640 | |
fa8ec7c1 |
641 | numbers ('c', -128, -1, 0, 1, 127); |
642 | numbers ('C', 0, 1, 127, 128, 255); |
f337b084 |
643 | numbers ('W', 0, 1, 127, 128, 255, 256, 0x7ff, 0x800, 0xfffd); |
fa8ec7c1 |
644 | numbers ('s', -32768, -1, 0, 1, 32767); |
645 | numbers ('S', 0, 1, 32767, 32768, 65535); |
646 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
647 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
648 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
649 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
650 | numbers ('s!', -32768, -1, 0, 1, 32767); |
651 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
652 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
653 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
654 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
655 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
656 | numbers ('n', 0, 1, 32767, 32768, 65535); |
657 | numbers ('v', 0, 1, 32767, 32768, 65535); |
658 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
659 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
068bd2e7 |
660 | numbers ('n!', -32768, -1, 0, 1, 32767); |
661 | numbers ('v!', -32768, -1, 0, 1, 32767); |
662 | numbers ('N!', -2147483648, -1, 0, 1, 2147483647); |
663 | numbers ('V!', -2147483648, -1, 0, 1, 2147483647); |
fa8ec7c1 |
664 | # All these should have exact binary representations: |
665 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
666 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
667 | ## These don't, but 'd' is NV. XXX wrong, it's double |
668 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
669 | |
670 | numbers_with_total ('q', -1, |
671 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
672 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
673 | # the epxected checksum on any system including those where NVs can preserve |
674 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
675 | # or where rounding is down not up on binary conversion (crays) |
676 | numbers_with_total ('Q', sub { |
677 | my $len = shift; |
678 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
679 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
680 | return 0 if $total == $total - 1; # Overflowed integers |
681 | return $total; # NVs still accurate to nearest integer |
682 | }, |
fa8ec7c1 |
683 | 0, 1,9223372036854775807, 9223372036854775808, |
684 | 18446744073709551615); |
685 | |
40837afc |
686 | print "# pack nvNV byteorders\n"; |
fa8ec7c1 |
687 | |
0b568b5f |
688 | is(pack("n", 0xdead), "\xde\xad"); |
689 | is(pack("v", 0xdead), "\xad\xde"); |
690 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
691 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
692 | |
d9db00a6 |
693 | SKIP: { |
694 | skip $no_signedness, 4 if $no_signedness; |
695 | is(pack("n!", 0xdead), "\xde\xad"); |
696 | is(pack("v!", 0xdead), "\xad\xde"); |
697 | is(pack("N!", 0xdeadbeef), "\xde\xad\xbe\xef"); |
698 | is(pack("V!", 0xdeadbeef), "\xef\xbe\xad\xde"); |
699 | } |
068bd2e7 |
700 | |
1109a392 |
701 | print "# test big-/little-endian conversion\n"; |
702 | |
703 | sub byteorder |
704 | { |
705 | my $format = shift; |
706 | print "# byteorder test for $format\n"; |
707 | for my $value (@_) { |
708 | SKIP: { |
709 | my($nat,$be,$le) = eval { map { pack $format.$_, $value } '', '>', '<' }; |
710 | skip "cannot pack '$format' on this perl", 5 |
711 | if is_valid_error($@); |
712 | |
713 | print "# [$value][$nat][$be][$le][$@]\n"; |
714 | |
715 | SKIP: { |
716 | skip "cannot compare native byteorder with big-/little-endian", 1 |
717 | if $ByteOrder eq 'unknown'; |
718 | |
719 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
720 | } |
721 | is($be, reverse($le)); |
722 | my @x = eval { unpack "$format$format>$format<", $nat.$be.$le }; |
723 | |
724 | print "# [$value][", join('][', @x), "][$@]\n"; |
725 | |
726 | is($@, ''); |
727 | is($x[0], $x[1]); |
728 | is($x[0], $x[2]); |
729 | } |
730 | } |
731 | } |
732 | |
733 | byteorder('s', -32768, -1, 0, 1, 32767); |
734 | byteorder('S', 0, 1, 32767, 32768, 65535); |
735 | byteorder('i', -2147483648, -1, 0, 1, 2147483647); |
736 | byteorder('I', 0, 1, 2147483647, 2147483648, 4294967295); |
737 | byteorder('l', -2147483648, -1, 0, 1, 2147483647); |
738 | byteorder('L', 0, 1, 2147483647, 2147483648, 4294967295); |
739 | byteorder('j', -2147483648, -1, 0, 1, 2147483647); |
740 | byteorder('J', 0, 1, 2147483647, 2147483648, 4294967295); |
741 | byteorder('s!', -32768, -1, 0, 1, 32767); |
742 | byteorder('S!', 0, 1, 32767, 32768, 65535); |
743 | byteorder('i!', -2147483648, -1, 0, 1, 2147483647); |
744 | byteorder('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
745 | byteorder('l!', -2147483648, -1, 0, 1, 2147483647); |
746 | byteorder('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
747 | byteorder('q', -9223372036854775808, -1, 0, 1, 9223372036854775807); |
748 | byteorder('Q', 0, 1, 9223372036854775807, 9223372036854775808, 18446744073709551615); |
749 | byteorder('f', -1, 0, 0.5, 42, 2**34); |
750 | byteorder('F', -1, 0, 0.5, 42, 2**34); |
751 | byteorder('d', -(2**34), -1, 0, 1, 2**34); |
752 | byteorder('D', -(2**34), -1, 0, 1, 2**34); |
753 | |
754 | print "# test negative numbers\n"; |
755 | |
756 | SKIP: { |
757 | skip "platform is not using two's complement for negative integers", 120 |
758 | unless $IsTwosComplement; |
759 | |
760 | for my $format (qw(s i l j s! i! l! q)) { |
761 | SKIP: { |
762 | my($nat,$be,$le) = eval { map { pack $format.$_, -1 } '', '>', '<' }; |
763 | skip "cannot pack '$format' on this perl", 15 |
764 | if is_valid_error($@); |
765 | |
766 | my $len = length $nat; |
767 | is($_, "\xFF"x$len) for $nat, $be, $le; |
768 | |
769 | my(@val,@ref); |
770 | if ($len >= 8) { |
771 | @val = (-2, -81985529216486896, -9223372036854775808); |
772 | @ref = ("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", |
773 | "\xFE\xDC\xBA\x98\x76\x54\x32\x10", |
774 | "\x80\x00\x00\x00\x00\x00\x00\x00"); |
775 | } |
776 | elsif ($len >= 4) { |
777 | @val = (-2, -19088744, -2147483648); |
778 | @ref = ("\xFF\xFF\xFF\xFE", |
779 | "\xFE\xDC\xBA\x98", |
780 | "\x80\x00\x00\x00"); |
781 | } |
782 | else { |
783 | @val = (-2, -292, -32768); |
784 | @ref = ("\xFF\xFE", |
785 | "\xFE\xDC", |
786 | "\x80\x00"); |
787 | } |
788 | for my $x (@ref) { |
789 | if ($len > length $x) { |
790 | $x = $x . "\xFF" x ($len - length $x); |
791 | } |
792 | } |
793 | |
794 | for my $i (0 .. $#val) { |
795 | my($nat,$be,$le) = eval { map { pack $format.$_, $val[$i] } '', '>', '<' }; |
796 | is($@, ''); |
797 | |
798 | SKIP: { |
799 | skip "cannot compare native byteorder with big-/little-endian", 1 |
800 | if $ByteOrder eq 'unknown'; |
801 | |
802 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
803 | } |
804 | |
805 | is($be, $ref[$i]); |
806 | is($be, reverse($le)); |
807 | } |
808 | } |
809 | } |
810 | } |
811 | |
fa8ec7c1 |
812 | { |
813 | # / |
814 | |
815 | my ($x, $y, $z); |
816 | eval { ($x) = unpack '/a*','hello' }; |
49704364 |
817 | like($@, qr!'/' must follow a numeric type!); |
72b034c3 |
818 | undef $x; |
819 | eval { $x = unpack '/a*','hello' }; |
49704364 |
820 | like($@, qr!'/' must follow a numeric type!); |
0b568b5f |
821 | |
72b034c3 |
822 | undef $x; |
fa8ec7c1 |
823 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
824 | is($@, ''); |
825 | is($z, 'ok'); |
826 | is($x, 'yes'); |
827 | is($y, 'z'); |
72b034c3 |
828 | undef $z; |
829 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
830 | is($@, ''); |
831 | is($z, 'ok'); |
832 | |
fa8ec7c1 |
833 | |
72b034c3 |
834 | undef $x; |
fa8ec7c1 |
835 | eval { ($x) = pack '/a*','hello' }; |
49704364 |
836 | like($@, qr!Invalid type '/'!); |
72b034c3 |
837 | undef $x; |
838 | eval { $x = pack '/a*','hello' }; |
49704364 |
839 | like($@, qr!Invalid type '/'!); |
fa8ec7c1 |
840 | |
841 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
842 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
843 | is($z, $expect); |
4b5b2118 |
844 | |
72b034c3 |
845 | undef $x; |
b85d93de |
846 | $expect = 'hello world'; |
847 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
848 | is($x, $expect); |
849 | is($@, ''); |
850 | |
72b034c3 |
851 | undef $x; |
b85d93de |
852 | # Doing this in scalar context used to fail. |
853 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
854 | is($@, ''); |
855 | is($x, $expect); |
b85d93de |
856 | |
fa8ec7c1 |
857 | foreach ( |
0b568b5f |
858 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
859 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
860 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
861 | ) |
862 | { |
fa8ec7c1 |
863 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
864 | undef $x; |
fa8ec7c1 |
865 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
866 | is($@, ''); |
867 | is($x, $expect) || |
868 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
869 | encode_list ($x); |
870 | |
72b034c3 |
871 | undef $x; |
b85d93de |
872 | eval { $x = unpack $pat, $in }; |
0b568b5f |
873 | is($@, ''); |
874 | is($x, $expect) || |
875 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
876 | encode_list ($x); |
fa8ec7c1 |
877 | } |
4b5b2118 |
878 | |
0b568b5f |
879 | # / with # |
17f4a12d |
880 | |
72b034c3 |
881 | my $pattern = <<'EOU'; |
17f4a12d |
882 | a3/A # Count in ASCII |
883 | C/a* # Count in a C char |
884 | C/Z # Count in a C char but skip after \0 |
885 | EOU |
17f4a12d |
886 | |
72b034c3 |
887 | $x = $y = $z =undef; |
888 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
889 | is($@, ''); |
890 | is($z, 'ok'); |
891 | is($x, 'yes'); |
892 | is($y, 'z'); |
72b034c3 |
893 | undef $x; |
894 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
895 | is($@, ''); |
896 | is($z, 'ok'); |
0b568b5f |
897 | |
72b034c3 |
898 | $pattern = <<'EOP'; |
17f4a12d |
899 | n/a* # Count as network short |
900 | w/A* # Count a BER integer |
901 | EOP |
fa8ec7c1 |
902 | $expect = "\000\006string\003etc"; |
72b034c3 |
903 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
904 | is($z, $expect); |
fa8ec7c1 |
905 | } |
906 | |
60a99fa7 |
907 | |
908 | SKIP: { |
909 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
910 | |
911 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
912 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
913 | } |
0b568b5f |
914 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
915 | |
0b568b5f |
916 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
917 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
918 | |
919 | # does pack U create Unicode? |
0b568b5f |
920 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
921 | |
922 | # does unpack U deref Unicode? |
0b568b5f |
923 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
924 | |
925 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
926 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
927 | |
928 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
929 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
930 | |
931 | |
932 | SKIP: { |
933 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
934 | |
7eed2ccc |
935 | # does unpack C unravel pack U? |
0b568b5f |
936 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
937 | |
7eed2ccc |
938 | # does pack U0C create Unicode? |
0b568b5f |
939 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
940 | |
7eed2ccc |
941 | # does pack C0U create characters? |
0b568b5f |
942 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
943 | |
2dcec3fe |
944 | # does unpack U0U on byte data warn? |
945 | { |
08ca2aa3 |
946 | my $bad = pack("U0C", 255); |
2dcec3fe |
947 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
08ca2aa3 |
948 | my @null = unpack('U0U', $bad); |
1109a392 |
949 | like($@, qr/^Malformed UTF-8 character /); |
2dcec3fe |
950 | } |
35bcd338 |
951 | } |
952 | |
fa8ec7c1 |
953 | { |
954 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
955 | my (@a); |
956 | # bug - % had to be at the start of the pattern, no leading whitespace or |
957 | # comments. %i! didn't work at all. |
958 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
959 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
960 | @a = unpack $pat, $p; |
0b568b5f |
961 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
962 | @a = scalar unpack $pat, $p; |
0b568b5f |
963 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
964 | } |
965 | |
966 | |
967 | $p = pack 'I*', 42, 12; |
968 | # Multiline patterns in scalar context failed. |
969 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
970 | # On the Ning Nang Nong |
971 | # Where the Cows go Bong! |
972 | # And the Monkeys all say Boo! |
973 | I |
974 | EOPOEMSNIPPET |
0b568b5f |
975 | @a = unpack $pat, $p; |
976 | is(scalar @a, 1); |
977 | is($a[0], 42); |
978 | @a = scalar unpack $pat, $p; |
979 | is(scalar @a, 1); |
980 | is($a[0], 42); |
981 | } |
fa8ec7c1 |
982 | |
983 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
984 | # point, so a pathologically long pattern would wrap at 32 bits. |
985 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
986 | foreach (4,3,2,1,0) { |
987 | my $len = 65534 + $_; |
0b568b5f |
988 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
989 | } |
990 | } |
b85d93de |
991 | |
992 | |
993 | # pack x X @ |
994 | foreach ( |
0b568b5f |
995 | ['x', "N", "\0"], |
996 | ['x4', "N", "\0"x4], |
997 | ['xX', "N", ""], |
998 | ['xXa*', "Nick", "Nick"], |
999 | ['a5Xa5', "cameL", "llama", "camellama"], |
1000 | ['@4', 'N', "\0"x4], |
1001 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
1002 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
1003 | ) |
1004 | { |
b85d93de |
1005 | my ($template, @in) = @$_; |
1006 | my $out = pop @in; |
1007 | my $got = eval {pack $template, @in}; |
0b568b5f |
1008 | is($@, ''); |
1009 | is($out, $got) || |
1010 | printf "# pack ('$template', %s) gave %s expected %s\n", |
1011 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
1012 | } |
1013 | |
1014 | # unpack x X @ |
1015 | foreach ( |
0b568b5f |
1016 | ['x', "N"], |
1017 | ['xX', "N"], |
1018 | ['xXa*', "Nick", "Nick"], |
1019 | ['a5Xa5', "camellama", "camel", "llama"], |
1020 | ['@3', "ice"], |
1021 | ['@2a2', "water", "te"], |
1022 | ['a*@1a3', "steam", "steam", "tea"], |
1023 | ) |
1024 | { |
b85d93de |
1025 | my ($template, $in, @out) = @$_; |
1026 | my @got = eval {unpack $template, $in}; |
0b568b5f |
1027 | is($@, ''); |
c8f824eb |
1028 | ok (list_eq (\@got, \@out)) || |
9e17a6b8 |
1029 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
1030 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
1031 | |
1032 | my $got = eval {unpack $template, $in}; |
0b568b5f |
1033 | is($@, ''); |
1034 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
1035 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
1036 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
1037 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
1038 | } |
d50dd4e4 |
1039 | |
1040 | { |
d50dd4e4 |
1041 | my $t = 'Z*Z*'; |
1042 | my ($u, $v) = qw(foo xyzzy); |
1043 | my $p = pack($t, $u, $v); |
1044 | my @u = unpack($t, $p); |
0b568b5f |
1045 | is(scalar @u, 2); |
1046 | is($u[0], $u); |
1047 | is($u[1], $v); |
d50dd4e4 |
1048 | } |
bf80f5a2 |
1049 | |
1050 | { |
0b568b5f |
1051 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
1052 | |
0b568b5f |
1053 | # "w/a*" should be seen as one unit |
bf80f5a2 |
1054 | |
0b568b5f |
1055 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
1056 | } |
b81060d6 |
1057 | |
d9db00a6 |
1058 | SKIP: { |
66c611c5 |
1059 | print "# group modifiers\n"; |
1060 | |
d9db00a6 |
1061 | skip $no_endianness, 3 * 2 + 3 * 2 + 1 if $no_endianness; |
1062 | |
66c611c5 |
1063 | for my $t (qw{ (s<)< (sl>s)> (s(l(sl)<l)s)< }) { |
1064 | print "# testing pattern '$t'\n"; |
1065 | eval { ($_) = unpack($t, 'x'x18); }; |
1066 | is($@, ''); |
1067 | eval { $_ = pack($t, (0)x6); }; |
1068 | is($@, ''); |
1069 | } |
1070 | |
1071 | for my $t (qw{ (s<)> (sl>s)< (s(l(sl)<l)s)> }) { |
1072 | print "# testing pattern '$t'\n"; |
1073 | eval { ($_) = unpack($t, 'x'x18); }; |
1074 | like($@, qr/Can't use '[<>]' in a group with different byte-order in unpack/); |
1075 | eval { $_ = pack($t, (0)x6); }; |
1076 | like($@, qr/Can't use '[<>]' in a group with different byte-order in pack/); |
1077 | } |
1078 | |
d9db00a6 |
1079 | is(pack('L<L>', (0x12345678)x2), |
1080 | pack('(((L1)1)<)(((L)1)1)>1', (0x12345678)x2)); |
1081 | } |
1082 | |
1083 | { |
66c611c5 |
1084 | sub compress_template { |
1085 | my $t = shift; |
1086 | for my $mod (qw( < > )) { |
1087 | $t =~ s/((?:(?:[SILQJFDP]!?$mod|[^SILQJFDP\W]!?)(?:\d+|\*|\[(?:[^]]+)\])?\/?){2,})/ |
1088 | my $x = $1; $x =~ s!$mod!!g ? "($x)$mod" : $x /ieg; |
1089 | } |
1090 | return $t; |
1091 | } |
1092 | |
66c611c5 |
1093 | my %templates = ( |
1094 | 's<' => [-42], |
1095 | 's<c2x![S]S<' => [-42, -11, 12, 4711], |
1096 | '(i<j<[s]l<)3' => [-11, -22, -33, 1000000, 1100, 2201, 3302, |
1097 | -1000000, 32767, -32768, 1, -123456789 ], |
1098 | '(I!<4(J<2L<)3)5' => [1 .. 65], |
1099 | 'q<Q<' => [-50000000005, 60000000006], |
1100 | 'f<F<d<' => [3.14159, 111.11, 2222.22], |
1101 | 'D<cCD<' => [1e42, -128, 255, 1e-42], |
1102 | 'n/a*' => ['/usr/bin/perl'], |
1103 | 'C/a*S</A*L</Z*I</a*' => [qw(Just another Perl hacker)], |
1104 | ); |
1105 | |
1106 | for my $tle (sort keys %templates) { |
1107 | my @d = @{$templates{$tle}}; |
1108 | my $tbe = $tle; |
1109 | $tbe =~ y/</>/; |
1110 | for my $t ($tbe, $tle) { |
1111 | my $c = compress_template($t); |
1112 | print "# '$t' -> '$c'\n"; |
1113 | SKIP: { |
1114 | my $p1 = eval { pack $t, @d }; |
1115 | skip "cannot pack '$t' on this perl", 5 if is_valid_error($@); |
1116 | my $p2 = eval { pack $c, @d }; |
1117 | is($@, ''); |
1118 | is($p1, $p2); |
1119 | s!(/[aAZ])\*!$1!g for $t, $c; |
1120 | my @u1 = eval { unpack $t, $p1 }; |
1121 | is($@, ''); |
1122 | my @u2 = eval { unpack $c, $p2 }; |
1123 | is($@, ''); |
1124 | is(join('!', @u1), join('!', @u2)); |
1125 | } |
1126 | } |
1127 | } |
1128 | } |
1129 | |
1130 | { |
b81060d6 |
1131 | # from Wolfgang Laun: fix in change #13163 |
1132 | |
1133 | my $s = 'ABC' x 10; |
644d52eb |
1134 | my $t = '*'; |
1135 | my $x = ord($t); |
b81060d6 |
1136 | my $buf = pack( 'Z*/A* C', $s, $x ); |
1137 | my $y; |
1138 | |
1139 | my $h = $buf; |
1140 | $h =~ s/[^[:print:]]/./g; |
1141 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
1142 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
1143 | is(length $buf, 34); |
1144 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
1145 | is($y, $x); |
b81060d6 |
1146 | } |
3bf38418 |
1147 | |
1148 | { |
b223308b |
1149 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
1150 | |
b223308b |
1151 | eval { my $t=unpack("P*", "abc") }; |
49704364 |
1152 | like($@, qr/'P' must have an explicit size/); |
3bf38418 |
1153 | } |
18529408 |
1154 | |
1155 | { # Grouping constructs |
1156 | my (@a, @b); |
1157 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
1158 | is("@a", "67 68"); |
1159 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
1160 | @b = (67..72); |
1161 | is("@a", "@b"); |
1162 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
1163 | is("@a", "@b"); |
1164 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
1165 | is("@a", "@b"); |
1166 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
1167 | is("@a", "@b"); |
1168 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
1169 | is("@a", "@b"); |
1170 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
1171 | is("@a", "@b"); |
1172 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
1173 | @b = (67..74); |
1174 | is("@a", "@b"); |
1175 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
1176 | is("@a", "@b"); |
1177 | eval { @a = unpack '(*SL)', '' }; |
1178 | like($@, qr/\(\)-group starts with a count/); |
1179 | eval { @a = unpack '(3SL)', '' }; |
1180 | like($@, qr/\(\)-group starts with a count/); |
1181 | eval { @a = unpack '([3]SL)', '' }; |
1182 | like($@, qr/\(\)-group starts with a count/); |
1183 | eval { @a = pack '(*SL)' }; |
1184 | like($@, qr/\(\)-group starts with a count/); |
1185 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
1186 | is("@a", "@b"); |
1187 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
1188 | is("@a", "@b"); |
1189 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
1190 | is("@a", "@b"); |
1191 | } |
206947d2 |
1192 | |
49704364 |
1193 | { # more on grouping (W.Laun) |
1194 | use warnings; |
1195 | my $warning; |
1196 | local $SIG{__WARN__} = sub { |
1197 | $warning = $_[0]; |
1198 | }; |
1199 | # @ absolute within ()-group |
1200 | my $badc = pack( '(a)*', unpack( '(@1a @0a @2)*', 'abcd' ) ); |
1201 | is( $badc, 'badc' ); |
1202 | my @b = ( 1, 2, 3 ); |
1203 | my $buf = pack( '(@1c)((@2C)@3c)', @b ); |
1204 | is( $buf, "\0\1\0\0\2\3" ); |
1205 | my @a = unpack( '(@1c)((@2c)@3c)', $buf ); |
1206 | is( "@a", "@b" ); |
1207 | |
1208 | # various unpack count/code scenarios |
1209 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1210 | my $env = pack( 'S(S/A*S/A*)*', @Env/2, @Env ); |
1211 | |
1212 | # unpack full length - ok |
1213 | my @pup = unpack( 'S/(S/A* S/A*)', $env ); |
1214 | is( "@pup", "@Env" ); |
1215 | |
1216 | # warn when count/code goes beyond end of string |
1217 | # \0002 \0001 a \0003 AAA \0001 b \0003 BBB |
1218 | # 2 4 5 7 10 1213 |
1219 | eval { @pup = unpack( 'S/(S/A* S/A*)', substr( $env, 0, 13 ) ) }; |
1220 | like( $@, qr{length/code after end of string} ); |
1221 | |
1222 | # postfix repeat count |
1223 | $env = pack( '(S/A* S/A*)' . @Env/2, @Env ); |
1224 | |
1225 | # warn when count/code goes beyond end of string |
1226 | # \0001 a \0003 AAA \0001 b \0003 BBB |
1227 | # 2 3c 5 8 10 11 13 16 |
1228 | eval { @pup = unpack( '(S/A* S/A*)' . @Env/2, substr( $env, 0, 11 ) ) }; |
1229 | like( $@, qr{length/code after end of string} ); |
1230 | |
1231 | # catch stack overflow/segfault |
1232 | eval { $_ = pack( ('(' x 105) . 'A' . (')' x 105) ); }; |
1233 | like( $@, qr{Too deeply nested \(\)-groups} ); |
1234 | } |
1235 | |
1236 | { # syntax checks (W.Laun) |
1237 | use warnings; |
1238 | my @warning; |
1239 | local $SIG{__WARN__} = sub { |
1240 | push( @warning, $_[0] ); |
1241 | }; |
1242 | eval { my $s = pack( 'Ax![4c]A', 1..5 ); }; |
1243 | like( $@, qr{Malformed integer in \[\]} ); |
1244 | |
1245 | eval { my $buf = pack( '(c/*a*)', 'AAA', 'BB' ); }; |
1246 | like( $@, qr{'/' does not take a repeat count} ); |
1247 | |
1248 | eval { my @inf = unpack( 'c/1a', "\x03AAA\x02BB" ); }; |
1249 | like( $@, qr{'/' does not take a repeat count} ); |
1250 | |
1251 | eval { my @inf = unpack( 'c/*a', "\x03AAA\x02BB" ); }; |
1252 | like( $@, qr{'/' does not take a repeat count} ); |
1253 | |
1254 | # white space where possible |
1255 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1256 | my $env = pack( ' S ( S / A* S / A* )* ', @Env/2, @Env ); |
1257 | my @pup = unpack( ' S / ( S / A* S / A* ) ', $env ); |
1258 | is( "@pup", "@Env" ); |
1259 | |
1260 | # white space in 4 wrong places |
1261 | for my $temp ( 'A ![4]', 'A [4]', 'A *', 'A 4' ){ |
1262 | eval { my $s = pack( $temp, 'B' ); }; |
1263 | like( $@, qr{Invalid type } ); |
1264 | } |
1265 | |
1266 | # warning for commas |
1267 | @warning = (); |
1268 | my $x = pack( 'I,A', 4, 'X' ); |
1269 | like( $warning[0], qr{Invalid type ','} ); |
1270 | |
1271 | # comma warning only once |
1272 | @warning = (); |
1273 | $x = pack( 'C(C,C)C,C', 65..71 ); |
1274 | like( scalar @warning, 1 ); |
1275 | |
1276 | # forbidden code in [] |
1277 | eval { my $x = pack( 'A[@4]', 'XXXX' ); }; |
1278 | like( $@, qr{Within \[\]-length '\@' not allowed} ); |
1279 | |
1280 | # @ repeat default 1 |
1281 | my $s = pack( 'AA@A', 'A', 'B', 'C' ); |
1282 | my @c = unpack( 'AA@A', $s ); |
1283 | is( $s, 'AC' ); |
1284 | is( "@c", "A C C" ); |
1285 | |
1286 | # no unpack code after / |
1287 | eval { my @a = unpack( "C/", "\3" ); }; |
1288 | like( $@, qr{Code missing after '/'} ); |
1289 | |
d9db00a6 |
1290 | SKIP: { |
1291 | skip $no_endianness, 6 if $no_endianness; |
1292 | |
1293 | # modifier warnings |
1294 | @warning = (); |
1295 | $x = pack "I>>s!!", 47, 11; |
1296 | ($x) = unpack "I<<l!>!>", 'x'x20; |
1297 | is(scalar @warning, 5); |
1298 | like($warning[0], qr/Duplicate modifier '>' after 'I' in pack/); |
1299 | like($warning[1], qr/Duplicate modifier '!' after 's' in pack/); |
1300 | like($warning[2], qr/Duplicate modifier '<' after 'I' in unpack/); |
1301 | like($warning[3], qr/Duplicate modifier '!' after 'l' in unpack/); |
1302 | like($warning[4], qr/Duplicate modifier '>' after 'l' in unpack/); |
1303 | } |
49704364 |
1304 | } |
1305 | |
206947d2 |
1306 | { # Repeat count [SUBEXPR] |
f337b084 |
1307 | 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 |
1308 | s! S! i! I! l! L! j J); |
1309 | my $G; |
206947d2 |
1310 | if (eval { pack 'q', 1 } ) { |
1311 | push @codes, qw(q Q); |
1312 | } else { |
1109a392 |
1313 | push @codes, qw(s S); # Keep the count the same |
206947d2 |
1314 | } |
92d41999 |
1315 | if (eval { pack 'D', 1 } ) { |
1316 | push @codes, 'D'; |
1317 | } else { |
1318 | push @codes, 'd'; # Keep the count the same |
1319 | } |
206947d2 |
1320 | |
1109a392 |
1321 | push @codes, map { /^[silqjfdp]/i ? ("$_<", "$_>") : () } @codes; |
1322 | |
206947d2 |
1323 | my %val; |
1324 | @val{@codes} = map { / [Xx] (?{ undef }) |
1325 | | [AZa] (?{ 'something' }) |
1326 | | C (?{ 214 }) |
f337b084 |
1327 | | W (?{ 8188 }) |
206947d2 |
1328 | | c (?{ 114 }) |
1329 | | [Bb] (?{ '101' }) |
1330 | | [Hh] (?{ 'b8' }) |
92d41999 |
1331 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
1332 | | [FfDd] (?{ 1.36514538e67 }) |
1333 | | [pP] (?{ "try this buffer" }) |
1334 | /x; $^R } @codes; |
1335 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
1336 | my $end = "N4"; |
1337 | |
1338 | for my $type (@codes) { |
1339 | my @list = $val{$type}; |
1340 | @list = () unless defined $list[0]; |
1341 | for my $count ('', '3', '[11]') { |
1342 | my $c = 1; |
1343 | $c = $1 if $count =~ /(\d+)/; |
1344 | my @list1 = @list; |
1345 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
1346 | for my $groupend ('', ')2', ')[8]') { |
1347 | my $groupbegin = ($groupend ? '(' : ''); |
1348 | $c = 1; |
1349 | $c = $1 if $groupend =~ /(\d+)/; |
1350 | my @list2 = (@list1) x $c; |
1351 | |
1109a392 |
1352 | SKIP: { |
1353 | my $junk1 = "$groupbegin $type$count $groupend"; |
1354 | # print "# junk1=$junk1\n"; |
1355 | my $p = eval { pack $junk1, @list2 }; |
1356 | skip "cannot pack '$type' on this perl", 12 |
1357 | if is_valid_error($@); |
1358 | |
1359 | my $half = int( (length $p)/2 ); |
1360 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
1361 | my $junk = "$junk1 $move"; |
1362 | # print "# junk='$junk', list=(@list2)\n"; |
1363 | $p = pack "$junk $end", @list2, @end; |
1364 | my @l = unpack "x[$junk] $end", $p; |
1365 | is(scalar @l, scalar @end); |
1366 | is("@l", "@end", "skipping x[$junk]"); |
1367 | } |
1368 | } |
206947d2 |
1369 | } |
1370 | } |
1371 | } |
1372 | } |
1373 | |
1374 | # / is recognized after spaces in scalar context |
1375 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
1376 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
1377 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
1378 | |
1379 | { # X! and x! |
1380 | my $t = 'C[3] x!8 C[2]'; |
1381 | my @a = (0x73..0x77); |
1382 | my $p = pack($t, @a); |
1383 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
1384 | my @b = unpack $t, $p; |
1385 | is(scalar @b, scalar @a); |
1386 | is("@b", "@a", 'x!8'); |
1387 | $t = 'x[5] C[6] X!8 C[2]'; |
1388 | @a = (0x73..0x7a); |
1389 | $p = pack($t, @a); |
1390 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
1391 | @b = unpack $t, $p; |
1392 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
1393 | is(scalar @b, scalar @a); |
1394 | is("@b", "@a"); |
1395 | } |
1396 | |
1397 | { # struct {char c1; double d; char cc[2];} |
1398 | my $t = 'C x![d] d C[2]'; |
1399 | my @a = (173, 1.283476517e-45, 42, 215); |
1400 | my $p = pack $t, @a; |
1401 | ok( length $p); |
1402 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
1403 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
1404 | $b = "@b"; |
1405 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1406 | is($b, "@a @a"); |
62f95557 |
1407 | |
1408 | my $warning; |
1409 | local $SIG{__WARN__} = sub { |
1410 | $warning = $_[0]; |
1411 | }; |
1412 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; |
1413 | |
1414 | is($warning, undef); |
1415 | is(scalar @b, scalar @a); |
3f7e3417 |
1416 | $b = "@b"; |
1417 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1418 | is($b, "@a"); |
62f95557 |
1419 | } |
92d41999 |
1420 | |
1421 | is(length(pack("j", 0)), $Config{ivsize}); |
1422 | is(length(pack("J", 0)), $Config{uvsize}); |
1423 | is(length(pack("F", 0)), $Config{nvsize}); |
1424 | |
1425 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); |
1426 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); |
1427 | numbers ('F', -(2**34), -1, 0, 1, 2**34); |
1428 | SKIP: { |
1429 | my $t = eval { unpack("D*", pack("D", 12.34)) }; |
1430 | |
1109a392 |
1431 | skip "Long doubles not in use", 166 if $@ =~ /Invalid type/; |
92d41999 |
1432 | |
1433 | is(length(pack("D", 0)), $Config{longdblsize}); |
1434 | numbers ('D', -(2**34), -1, 0, 1, 2**34); |
1435 | } |
1436 | |
c8f824eb |
1437 | # Maybe this knowledge needs to be "global" for all of pack.t |
1438 | # Or a "can checksum" which would effectively be all the number types" |
1439 | my %cant_checksum = map {$_=> 1} qw(A Z u w); |
1440 | # not a b B h H |
1441 | 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)) { |
1442 | SKIP: { |
1443 | my $packed = eval {pack "${template}4", 1, 4, 9, 16}; |
1444 | if ($@) { |
49704364 |
1445 | die unless $@ =~ /Invalid type '$template'/; |
c8f824eb |
1446 | skip ("$template not supported on this perl", |
1447 | $cant_checksum{$template} ? 4 : 8); |
1448 | } |
1449 | my @unpack4 = unpack "${template}4", $packed; |
1450 | my @unpack = unpack "${template}*", $packed; |
1451 | my @unpack1 = unpack "${template}", $packed; |
1452 | my @unpack1s = scalar unpack "${template}", $packed; |
1453 | my @unpack4s = scalar unpack "${template}4", $packed; |
1454 | my @unpacks = scalar unpack "${template}*", $packed; |
1455 | |
1456 | my @tests = ( ["${template}4 vs ${template}*", \@unpack4, \@unpack], |
1457 | ["scalar ${template} ${template}", \@unpack1s, \@unpack1], |
1458 | ["scalar ${template}4 vs ${template}", \@unpack4s, \@unpack1], |
1459 | ["scalar ${template}* vs ${template}", \@unpacks, \@unpack1], |
1460 | ); |
1461 | |
1462 | unless ($cant_checksum{$template}) { |
1463 | my @unpack4_c = unpack "\%${template}4", $packed; |
1464 | my @unpack_c = unpack "\%${template}*", $packed; |
1465 | my @unpack1_c = unpack "\%${template}", $packed; |
1466 | my @unpack1s_c = scalar unpack "\%${template}", $packed; |
1467 | my @unpack4s_c = scalar unpack "\%${template}4", $packed; |
1468 | my @unpacks_c = scalar unpack "\%${template}*", $packed; |
1469 | |
1470 | push @tests, |
1471 | ( ["% ${template}4 vs ${template}*", \@unpack4_c, \@unpack_c], |
1472 | ["% scalar ${template} ${template}", \@unpack1s_c, \@unpack1_c], |
1473 | ["% scalar ${template}4 vs ${template}*", \@unpack4s_c, \@unpack_c], |
1474 | ["% scalar ${template}* vs ${template}*", \@unpacks_c, \@unpack_c], |
1475 | ); |
1476 | } |
1477 | foreach my $test (@tests) { |
1478 | ok (list_eq ($test->[1], $test->[2]), $test->[0]) || |
1479 | printf "# unpack gave %s expected %s\n", |
1480 | encode_list (@{$test->[1]}), encode_list (@{$test->[2]}); |
1481 | } |
1482 | } |
1483 | } |
9c3dc587 |
1484 | |
1485 | ok(pack('u2', 'AA'), "[perl #8026]"); # used to hang and eat RAM in perl 5.7.2 |
1486 | |
fe581ec7 |
1487 | $_ = pack('c', 65); # 'A' would not be EBCDIC-friendly |
1488 | is(unpack('c'), 65, "one-arg unpack (change #18751)"); # defaulting to $_ |
db37a92e |
1489 | |
1490 | { |
1491 | my $a = "X\t01234567\n" x 100; |
1492 | my @a = unpack("(a1 c/a)*", $a); |
1493 | is(scalar @a, 200, "[perl #15288]"); |
1494 | is($a[-1], "01234567\n", "[perl #15288]"); |
1495 | is($a[-2], "X", "[perl #15288]"); |
1496 | } |
0ed7c1bb |
1497 | |
f7f98fdf |
1498 | { |
1499 | my $warning; |
1500 | local $SIG{__WARN__} = sub { |
1501 | $warning = $_[0]; |
1502 | }; |
1503 | my $out = pack("u99", "foo" x 99); |
1504 | like($warning, qr/Field too wide in 'u' format in pack at /, |
1505 | "Warn about too wide uuencode"); |
1506 | is($out, ("_" . "9F]O" x 21 . "\n") x 4 . "M" . "9F]O" x 15 . "\n", |
1507 | "Use max width in case of too wide uuencode"); |
1508 | } |
1509 | |
0ed7c1bb |
1510 | # checksums |
1511 | { |
1512 | # verify that unpack advances correctly wrt a checksum |
1513 | my (@x) = unpack("b10a", "abcd"); |
1514 | my (@y) = unpack("%b10a", "abcd"); |
1515 | is($x[1], $y[1], "checksum advance ok"); |
d6d3e8bd |
1516 | |
1517 | # verify that the checksum is not overflowed with C0 |
1518 | is(unpack("C0%128U", "abcd"), unpack("U0%128U", "abcd"), "checksum not overflowed"); |
0ed7c1bb |
1519 | } |
0c81e54b |
1520 | |
1521 | { |
1522 | # U0 and C0 must be scoped |
1523 | my (@x) = unpack("a(U0)U", "b\341\277\274"); |
1524 | is($x[0], 'b', 'before scope'); |
08ca2aa3 |
1525 | is($x[1], 8188, 'after scope'); |
f337b084 |
1526 | |
1527 | is(pack("a(U0)U", "b", 8188), "b\341\277\274"); |
0c81e54b |
1528 | } |
21c16052 |
1529 | |
1530 | { |
1531 | # counted length prefixes shouldn't change C0/U0 mode |
1532 | # (note the length is actually 0 in this test) |
08ca2aa3 |
1533 | is(join(',', unpack("aC/UU", "b\0\341\277\274")), 'b,8188'); |
1534 | is(join(',', unpack("aC/CU", "b\0\341\277\274")), 'b,8188'); |
1535 | is(join(',', unpack("aU0C/UU", "b\0\341\277\274")), 'b,225'); |
1536 | is(join(',', unpack("aU0C/CU", "b\0\341\277\274")), 'b,225'); |
21c16052 |
1537 | } |
f0df5f8b |
1538 | |
1539 | { |
1540 | # "Z0" (bug #34062) |
1541 | my (@x) = unpack("C*", pack("CZ0", 1, "b")); |
1542 | is(join(',', @x), '1', 'pack Z0 doesn\'t destroy the character before'); |
1543 | } |
f337b084 |
1544 | |
1545 | { |
1546 | # Encoding neutrality |
1547 | # String we will pull apart and rebuild in several ways: |
1548 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1549 | my $up = $down; |
1550 | utf8::upgrade($up); |
1551 | |
1552 | my %expect = |
1553 | # [expected result, |
1554 | # how many chars it should progress, |
1555 | # (optional) expected result of pack] |
1556 | (a5 => ["\xf8\xf9\xfa\xfb\xfc", 5], |
1557 | A5 => ["\xf8\xf9\xfa\xfb\xfc", 5], |
1558 | Z5 => ["\xf8\xf9\xfa\xfb\xfc", 5, "\xf8\xf9\xfa\xfb\x00\xfd"], |
1559 | b21 => ["000111111001111101011", 3, "\xf8\xf9\x1a\xfb"], |
1560 | B21 => ["111110001111100111111", 3, "\xf8\xf9\xf8\xfb"], |
1561 | H5 => ["f8f9f", 3, "\xf8\xf9\xf0\xfb"], |
1562 | h5 => ["8f9fa", 3, "\xf8\xf9\x0a\xfb"], |
1563 | "s<" => [-1544, 2], |
1564 | "s>" => [-1799, 2], |
1565 | "S<" => [0xf9f8, 2], |
1566 | "S>" => [0xf8f9, 2], |
1567 | "l<" => [-67438088, 4], |
1568 | "l>" => [-117835013, 4], |
1569 | "L>" => [0xf8f9fafb, 4], |
1570 | "L<" => [0xfbfaf9f8, 4], |
1571 | n => [0xf8f9, 2], |
1572 | N => [0xf8f9fafb, 4], |
1573 | v => [63992, 2], |
1574 | V => [0xfbfaf9f8, 4], |
1575 | c => [-8, 1], |
1576 | U0U => [0xf8, 1], |
1577 | w => ["8715569050387726213", 9], |
1578 | q => ["-283686952306184", 8], |
1579 | Q => ["18446460386757245432", 8], |
1580 | ); |
1581 | |
1582 | for my $string ($down, $up) { |
1583 | for my $format (sort {lc($a) cmp lc($b) || $a cmp $b } keys %expect) { |
1584 | SKIP: { |
1585 | my $expect = $expect{$format}; |
1586 | # unpack upgraded and downgraded string |
1587 | my @result = eval { unpack("$format C0 W", $string) }; |
1588 | skip "cannot pack/unpack '$format C0 W' on this perl", 5 if |
1589 | $@ && is_valid_error($@); |
1590 | is(@result, 2, "Two results from unpack $format C0 W"); |
1591 | |
1592 | # pack to downgraded |
1593 | my $new = pack("$format C0 W", @result); |
1594 | is(length($new), $expect->[1]+1, |
1595 | "pack $format C0 W should give $expect->[1]+1 chars"); |
1596 | is($new, $expect->[2] || substr($string, 0, length $new), |
1597 | "pack $format C0 W returns expected value"); |
1598 | |
1599 | # pack to upgraded |
1600 | $new = pack("a0 $format C0 W", chr(256), @result); |
1601 | is(length($new), $expect->[1]+1, |
1602 | "pack a0 $format C0 W should give $expect->[1]+1 chars"); |
1603 | is($new, $expect->[2] || substr($string, 0, length $new), |
1604 | "pack a0 $format C0 W returns expected value"); |
1605 | } |
1606 | } |
1607 | } |
1608 | } |
1609 | |
1610 | { |
1611 | # Encoding neutrality, numbers |
1612 | my $val = -2.68; |
1613 | for my $format (qw(s S i I l L j J f d F D q Q |
1614 | s! S! i! I! l! L! n! N! v! V!)) { |
1615 | SKIP: { |
1616 | my $down = eval { pack($format, $val) }; |
1617 | skip "cannot pack/unpack $format on this perl", 9 if |
1618 | $@ && is_valid_error($@); |
1619 | ok(!utf8::is_utf8($down), "Simple $format pack doesn't get upgraded"); |
1620 | my $up = pack("a0 $format", chr(256), $val); |
1621 | ok(utf8::is_utf8($up), "a0 $format with high char leads to upgrade"); |
1622 | is($down, $up, "$format generated strings are equal though"); |
1623 | my @down_expanded = unpack("$format W", $down . chr(0xce)); |
1624 | is(@down_expanded, 2, "Expand to two values"); |
1625 | is($down_expanded[1], 0xce, |
1626 | "unpack $format left us at the expected position"); |
1627 | my @up_expanded = unpack("$format W", $up . chr(0xce)); |
1628 | is(@up_expanded, 2, "Expand to two values"); |
1629 | is($up_expanded[1], 0xce, |
1630 | "unpack $format left us at the expected position"); |
1631 | is($down_expanded[0], $up_expanded[0], "$format unpack was neutral"); |
1632 | is(pack($format, $down_expanded[0]), $down, "Pack $format undoes unpack $format"); |
1633 | } |
1634 | } |
1635 | } |
1636 | |
1637 | { |
1638 | # C is *not* neutral |
1639 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1640 | my $up = $down; |
1641 | utf8::upgrade($up); |
1642 | my @down = unpack("C*", $down); |
1643 | my @expect_down = (0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x05, 0x06); |
1644 | is("@down", "@expect_down", "byte expand"); |
1645 | is(pack("C*", @down), $down, "byte join"); |
1646 | |
1647 | my @up = unpack("C*", $up); |
1648 | my @expect_up = (0xc3, 0xb8, 0xc3, 0xb9, 0xc3, 0xba, 0xc3, 0xbb, 0xc3, 0xbc, 0xc3, 0xbd, 0xc3, 0xbe, 0xc3, 0xbf, 0x05, 0x06); |
1649 | is("@up", "@expect_up", "UTF-8 expand"); |
1650 | is(pack("U0C0C*", @up), $up, "UTF-8 join"); |
1651 | } |
1652 | |
1653 | { |
1654 | # Harder cases for the neutrality test |
1655 | |
1656 | # u format |
1657 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1658 | my $up = $down; |
1659 | utf8::upgrade($up); |
1660 | is(pack("u", $down), pack("u", $up), "u pack is neutral"); |
1661 | is(unpack("u", pack("u", $down)), $down, "u unpack to downgraded works"); |
1662 | is(unpack("U0C0u", pack("u", $down)), $up, "u unpack to upgraded works"); |
1663 | |
1664 | # p/P format |
1665 | # This actually only tests something if the address contains a byte >= 0x80 |
1666 | my $str = "abc\xa5\x00\xfede"; |
1667 | $down = pack("p", $str); |
1668 | is(pack("P", $str), $down); |
1669 | is(pack("U0C0p", $str), $down); |
1670 | is(pack("U0C0P", $str), $down); |
1671 | is(unpack("p", $down), "abc\xa5", "unpack p downgraded"); |
1672 | $up = $down; |
1673 | utf8::upgrade($up); |
1674 | is(unpack("p", $up), "abc\xa5", "unpack p upgraded"); |
1675 | |
1676 | is(unpack("P7", $down), "abc\xa5\x00\xfed", "unpack P downgraded"); |
1677 | is(unpack("P7", $up), "abc\xa5\x00\xfed", "unpack P upgraded"); |
1678 | |
1679 | # x, X and @ |
1680 | $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1681 | $up = $down; |
1682 | utf8::upgrade($up); |
1683 | |
1684 | is(unpack('@4W', $down), 0xfc, "\@positioning on downgraded string"); |
1685 | is(unpack('@4W', $up), 0xfc, "\@positioning on upgraded string"); |
1686 | |
1687 | is(unpack('@4x2W', $down), 0xfe, "x moving on downgraded string"); |
1688 | is(unpack('@4x2W', $up), 0xfe, "x moving on upgraded string"); |
1689 | is(unpack('@4x!4W', $down), 0xfc, "x! moving on downgraded string"); |
1690 | is(unpack('@4x!4W', $up), 0xfc, "x! moving on upgraded string"); |
1691 | is(unpack('@5x!4W', $down), 0x05, "x! moving on downgraded string"); |
1692 | is(unpack('@5x!4W', $up), 0x05, "x! moving on upgraded string"); |
1693 | |
1694 | is(unpack('@4X2W', $down), 0xfa, "X moving on downgraded string"); |
1695 | is(unpack('@4X2W', $up), 0xfa, "X moving on upgraded string"); |
1696 | is(unpack('@4X!4W', $down), 0xfc, "X! moving on downgraded string"); |
1697 | is(unpack('@4X!4W', $up), 0xfc, "X! moving on upgraded string"); |
1698 | is(unpack('@5X!4W', $down), 0xfc, "X! moving on downgraded string"); |
1699 | is(unpack('@5X!4W', $up), 0xfc, "X! moving on upgraded string"); |
1700 | is(unpack('@5X!8W', $down), 0xf8, "X! moving on downgraded string"); |
1701 | is(unpack('@5X!8W', $up), 0xf8, "X! moving on upgraded string"); |
1702 | |
1703 | is(pack("W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on downgraded string"); |
1704 | is(pack("W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
1705 | "x! on downgraded string"); |
1706 | is(pack("W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on downgraded string"); |
1707 | is(pack("U0C0W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on upgraded string"); |
1708 | is(pack("U0C0W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
1709 | "x! on upgraded string"); |
1710 | is(pack("U0C0W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on upgraded string"); |
1711 | is(pack("W2X", 0xfa, 0xe3), "\xfa", "X on downgraded string"); |
1712 | is(pack("U0C0W2X", 0xfa, 0xe3), "\xfa", "X on upgraded string"); |
1713 | is(pack("W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on downgraded string"); |
1714 | is(pack("U0C0W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on upgraded string"); |
1715 | is(pack("W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", "X! on downgraded string"); |
1716 | is(pack("U0C0W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", |
1717 | "X! on upgraded string"); |
1718 | |
1719 | # backward eating through a ( moves the group starting point backwards |
1720 | is(pack("a*(Xa)", "abc", "q"), "abq", |
1721 | "eating before strbeg moves it back"); |
1722 | is(pack("a*(Xa)", "ab" . chr(512), "q"), "abq", |
1723 | "eating before strbeg moves it back"); |
1724 | |
1725 | # Check marked_upgrade |
1726 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), |
1727 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6"); |
1728 | $up = "a"; |
1729 | utf8::upgrade($up); |
1730 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, $up, 0xa4, 0xa5, 0xa6), |
1731 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by a"); |
1732 | is(pack('W(W(WW@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, 256, 0xa4, 0xa5, 0xa6), |
1733 | "\xa1\xa2\xa3\x{100}\x00\xa4\x00\xa5\x00\xa6", |
1734 | "marked upgrade caused by W"); |
1735 | is(pack('W(W(WU0aC0@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), |
1736 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by U0"); |
1737 | |
1738 | # a, A and Z |
1739 | $down = "\xa4\xa6\xa7"; |
1740 | $up = $down; |
1741 | utf8::upgrade($up); |
1742 | utf8::upgrade(my $high = "\xfeb"); |
1743 | |
1744 | for my $format ("a0", "A0", "Z0", "U0a0C0", "U0A0C0", "U0Z0C0") { |
1745 | is(pack("a* $format a*", "ab", $down, "cd"), "abcd", |
1746 | "$format format on plain string"); |
1747 | is(pack("a* $format a*", "ab", $up, "cd"), "abcd", |
1748 | "$format format on upgraded string"); |
1749 | is(pack("a* $format a*", $high, $down, "cd"), "\xfebcd", |
1750 | "$format format on plain string"); |
1751 | is(pack("a* $format a*", $high, $up, "cd"), "\xfebcd", |
1752 | "$format format on upgraded string"); |
1753 | my @down = unpack("a1 $format a*", "\xfeb"); |
1754 | is("@down", "\xfe b", "unpack $format"); |
1755 | my @up = unpack("a1 $format a*", $high); |
1756 | is("@up", "\xfe b", "unpack $format"); |
1757 | } |
1758 | is(pack("a1", $high), "\xfe"); |
1759 | is(pack("A1", $high), "\xfe"); |
1760 | is(pack("Z1", $high), "\x00"); |
1761 | is(pack("a2", $high), "\xfeb"); |
1762 | is(pack("A2", $high), "\xfeb"); |
1763 | is(pack("Z2", $high), "\xfe\x00"); |
1764 | is(pack("a5", $high), "\xfeb\x00\x00\x00"); |
1765 | is(pack("A5", $high), "\xfeb "); |
1766 | is(pack("Z5", $high), "\xfeb\x00\x00\x00"); |
1767 | is(pack("a*", $high), "\xfeb"); |
1768 | is(pack("A*", $high), "\xfeb"); |
1769 | is(pack("Z*", $high), "\xfeb\x00"); |
1770 | |
1771 | utf8::upgrade($high = "\xc3\xbeb"); |
1772 | is(pack("U0a2", $high), "\xfe"); |
1773 | is(pack("U0A2", $high), "\xfe"); |
1774 | is(pack("U0Z1", $high), "\x00"); |
1775 | is(pack("U0a3", $high), "\xfeb"); |
1776 | is(pack("U0A3", $high), "\xfeb"); |
1777 | is(pack("U0Z3", $high), "\xfe\x00"); |
1778 | is(pack("U0a6", $high), "\xfeb\x00\x00\x00"); |
1779 | is(pack("U0A6", $high), "\xfeb "); |
1780 | is(pack("U0Z6", $high), "\xfeb\x00\x00\x00"); |
1781 | is(pack("U0a*", $high), "\xfeb"); |
1782 | is(pack("U0A*", $high), "\xfeb"); |
1783 | is(pack("U0Z*", $high), "\xfeb\x00"); |
1784 | } |
246f24af |
1785 | { |
1786 | # pack / |
1787 | my @array = 1..14; |
1788 | my @out = unpack("N/S", pack("N/S", @array) . "abcd"); |
1789 | is("@out", "@array", "pack N/S works"); |
1790 | @out = unpack("N/S*", pack("N/S*", @array) . "abcd"); |
1791 | is("@out", "@array", "pack N/S* works"); |
1792 | @out = unpack("N/S*", pack("N/S14", @array) . "abcd"); |
1793 | is("@out", "@array", "pack N/S14 works"); |
1794 | @out = unpack("N/S*", pack("N/S15", @array) . "abcd"); |
1795 | is("@out", "@array", "pack N/S15 works"); |
1796 | @out = unpack("N/S*", pack("N/S13", @array) . "abcd"); |
1797 | is("@out", "@array[0..12]", "pack N/S13 works"); |
1798 | @out = unpack("N/S*", pack("N/S0", @array) . "abcd"); |
1799 | is("@out", "", "pack N/S0 works"); |
1800 | is(pack("Z*/a0", "abc"), "0\0", "pack Z*/a0 makes a short string"); |
1801 | is(pack("Z*/Z0", "abc"), "0\0", "pack Z*/Z0 makes a short string"); |
1802 | is(pack("Z*/a3", "abc"), "3\0abc", "pack Z*/a3 makes a full string"); |
1803 | is(pack("Z*/Z3", "abc"), "3\0ab\0", "pack Z*/Z3 makes a short string"); |
1804 | is(pack("Z*/a5", "abc"), "5\0abc\0\0", "pack Z*/a5 makes a long string"); |
1805 | is(pack("Z*/Z5", "abc"), "5\0abc\0\0", "pack Z*/Z5 makes a long string"); |
1806 | is(pack("Z*/Z"), "1\0\0", "pack Z*/Z makes an extended string"); |
1807 | is(pack("Z*/Z", ""), "1\0\0", "pack Z*/Z makes an extended string"); |
1808 | is(pack("Z*/a", ""), "0\0", "pack Z*/a makes an extended string"); |
1809 | } |
18bdf90a |
1810 | { |
1811 | # unpack("A*", $unicode) strips general unicode spaces |
1812 | is(unpack("A*", "ab \n\xa0 \0"), "ab \n\xa0", |
1813 | 'normal A* strip leaves \xa0'); |
1814 | is(unpack("U0C0A*", "ab \n\xa0 \0"), "ab \n\xa0", |
1815 | 'normal A* strip leaves \xa0 even if it got upgraded for technical reasons'); |
1816 | is(unpack("A*", pack("a*(U0U)a*", "ab \n", 0xa0, " \0")), "ab", |
1817 | 'upgraded strings A* removes \xa0'); |
1818 | is(unpack("A*", pack("a*(U0UU)a*", "ab \n", 0xa0, 0x1680, " \0")), "ab", |
1819 | 'upgraded strings A* removes all unicode whitespace'); |
1820 | is(unpack("A5", pack("a*(U0U)a*", "ab \n", 0x1680, "def", "ab")), "ab", |
1821 | 'upgraded strings A5 removes all unicode whitespace'); |
1822 | is(unpack("A*", pack("U", 0x1680)), "", |
1823 | 'upgraded strings A* with nothing left'); |
1824 | } |