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 | |
28be1210 |
15 | plan tests => 14697; |
0b568b5f |
16 | |
fa8ec7c1 |
17 | use strict; |
bd7d4f4d |
18 | use warnings qw(FATAL all); |
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 ) { |
dd304013 |
46 | if (defined $Config{"u${size}size"} and $Config{"u${size}size"} != ($size >> 3)) { |
1109a392 |
47 | push @valid_errors, qr/^Perl_my_$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"; |
bd7d4f4d |
132 | binmode BIN; |
0b568b5f |
133 | sysread BIN, $foo, 8192; |
134 | close BIN; |
79072805 |
135 | |
0b568b5f |
136 | $sum = unpack("%32b*", $foo); |
137 | my $longway = unpack("b*", $foo); |
138 | is( $sum, $longway =~ tr/1/1/ ); |
fa8ec7c1 |
139 | } |
73a1c01a |
140 | |
fa8ec7c1 |
141 | { |
142 | my $x; |
0b568b5f |
143 | is( ($x = unpack("I",pack("I", 0xFFFFFFFF))), 0xFFFFFFFF ); |
fa8ec7c1 |
144 | } |
def98dd4 |
145 | |
fa8ec7c1 |
146 | { |
0b568b5f |
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', $x); |
def98dd4 |
164 | |
0b568b5f |
165 | is(scalar(@y), 2); |
166 | is($y[1], 130); |
a6c48a57 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
282 | eval { $x = unpack "a$mod", 'x'x8 }; |
283 | like ($@, qr/^'$mod' allowed only after types \S+ in unpack/); |
284 | } |
1109a392 |
285 | |
d9db00a6 |
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 |
290 | eval { $x = unpack "sI${mod}s", 'x'x16 }; |
291 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in unpack/); |
292 | } |
1109a392 |
293 | } |
294 | |
0258719b |
295 | SKIP: { |
296 | # Is this a stupid thing to do on VMS, VOS and other unusual platforms? |
71f93cb9 |
297 | |
b987f19e |
298 | skip("-- the IEEE infinity model is unavailable in this configuration.", 1) |
71f93cb9 |
299 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
300 | |
b987f19e |
301 | skip("-- $^O has serious fp indigestion on w-packed infinities", 1) |
5688dfbf |
302 | if ( |
303 | ($^O eq 'mpeix') |
304 | || |
305 | ($^O eq 'ultrix') |
306 | || |
cd512f8e |
307 | ($^O =~ /^svr4/ && -f "/etc/issue" && -f "/etc/.relid") # NCR MP-RAS |
5688dfbf |
308 | ); |
8b571b32 |
309 | |
1109a392 |
310 | my $inf = eval '2**1000000'; |
0258719b |
311 | |
b987f19e |
312 | skip("Couldn't generate infinity - got error '$@'", 1) |
71b080b8 |
313 | unless defined $inf and $inf == $inf / 2 and $inf + 1 == $inf; |
0258719b |
314 | |
46ff39aa |
315 | local our $TODO; |
316 | $TODO = "VOS needs a fix for posix-1022 to pass this test." |
317 | if ($^O eq 'vos'); |
318 | |
0258719b |
319 | eval { $x = pack 'w', $inf }; |
46ff39aa |
320 | like ($@, qr/^Cannot compress integer/, "Cannot compress integer"); |
0258719b |
321 | } |
322 | |
323 | SKIP: { |
71f93cb9 |
324 | |
b987f19e |
325 | skip("-- the full range of an IEEE double may not be available in this configuration.", 3) |
71f93cb9 |
326 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
327 | |
b987f19e |
328 | skip("-- $^O does not like 2**1023", 3) |
ad415dae |
329 | if (($^O eq 'ultrix')); |
330 | |
0258719b |
331 | # This should be about the biggest thing possible on an IEEE double |
332 | my $big = eval '2**1023'; |
333 | |
b987f19e |
334 | skip("Couldn't generate 2**1023 - got error '$@'", 3) |
0258719b |
335 | unless defined $big and $big != $big / 2; |
336 | |
337 | eval { $x = pack 'w', $big }; |
338 | is ($@, '', "Should be able to pack 'w', $big # 2**1023"); |
339 | |
340 | my $y = eval {unpack 'w', $x}; |
341 | is ($@, '', |
342 | "Should be able to unpack 'w' the result of pack 'w', $big # 2**1023"); |
343 | |
344 | # I'm getting about 1e-16 on FreeBSD |
345 | my $quotient = int (100 * ($y - $big) / $big); |
346 | ok($quotient < 2 && $quotient > -2, |
1109a392 |
347 | "Round trip pack, unpack 'w' of $big is within 1% ($quotient%)"); |
0258719b |
348 | } |
349 | |
fa8ec7c1 |
350 | } |
def98dd4 |
351 | |
40837afc |
352 | print "# test the 'p' template\n"; |
84902520 |
353 | |
354 | # literals |
0b568b5f |
355 | is(unpack("p",pack("p","foo")), "foo"); |
d9db00a6 |
356 | SKIP: { |
357 | skip $no_endianness, 2 if $no_endianness; |
358 | is(unpack("p<",pack("p<","foo")), "foo"); |
359 | is(unpack("p>",pack("p>","foo")), "foo"); |
360 | } |
84902520 |
361 | # scalars |
0b568b5f |
362 | is(unpack("p",pack("p",239)), 239); |
d9db00a6 |
363 | SKIP: { |
364 | skip $no_endianness, 2 if $no_endianness; |
365 | is(unpack("p<",pack("p<",239)), 239); |
366 | is(unpack("p>",pack("p>",239)), 239); |
367 | } |
84902520 |
368 | |
369 | # temps |
370 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
371 | { |
bd7d4f4d |
372 | use warnings qw(NONFATAL all);; |
0b568b5f |
373 | my $warning; |
84902520 |
374 | local $SIG{__WARN__} = sub { |
0b568b5f |
375 | $warning = $_[0]; |
84902520 |
376 | }; |
377 | my $junk = pack("p", &foo); |
0b568b5f |
378 | |
379 | like($warning, qr/temporary val/); |
84902520 |
380 | } |
381 | |
382 | # undef should give null pointer |
1109a392 |
383 | like(pack("p", undef), qr/^\0+$/); |
d9db00a6 |
384 | SKIP: { |
385 | skip $no_endianness, 2 if $no_endianness; |
386 | like(pack("p<", undef), qr/^\0+$/); |
387 | like(pack("p>", undef), qr/^\0+$/); |
388 | } |
84902520 |
389 | |
20408e3c |
390 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
391 | # 4294967295 instead of -1) |
392 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
393 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
394 | |
1109a392 |
395 | print "# test the pack lengths of s S i I l L n N v V + modifiers\n"; |
396 | |
397 | my @lengths = ( |
398 | qw(s 2 S 2 i -4 I -4 l 4 L 4 n 2 N 4 v 2 V 4 n! 2 N! 4 v! 2 V! 4), |
399 | 's!' => $Config{shortsize}, 'S!' => $Config{shortsize}, |
400 | 'i!' => $Config{intsize}, 'I!' => $Config{intsize}, |
401 | 'l!' => $Config{longsize}, 'L!' => $Config{longsize}, |
402 | ); |
403 | |
404 | while (my ($base, $expect) = splice @lengths, 0, 2) { |
405 | my @formats = ($base); |
406 | $base =~ /^[nv]/i or push @formats, "$base>", "$base<"; |
407 | for my $format (@formats) { |
d9db00a6 |
408 | SKIP: { |
409 | skip $no_endianness, 1 if $no_endianness && $format =~ m/[<>]/; |
410 | skip $no_signedness, 1 if $no_signedness && $format =~ /[nNvV]!/; |
411 | my $len = length(pack($format, 0)); |
412 | if ($expect > 0) { |
413 | is($expect, $len, "format '$format'"); |
414 | } else { |
415 | $expect = -$expect; |
416 | ok ($len >= $expect, "format '$format'") || |
417 | print "# format '$format' has length $len, expected >= $expect\n"; |
418 | } |
1109a392 |
419 | } |
fa8ec7c1 |
420 | } |
421 | } |
d4217c7e |
422 | |
d4217c7e |
423 | |
40837afc |
424 | print "# test unpack-pack lengths\n"; |
425 | |
f337b084 |
426 | my @templates = qw(c C W i I s S l L n N v V f d q Q); |
d4217c7e |
427 | |
1109a392 |
428 | foreach my $base (@templates) { |
429 | my @tmpl = ($base); |
f337b084 |
430 | $base =~ /^[cwnv]/i or push @tmpl, "$base>", "$base<"; |
1109a392 |
431 | foreach my $t (@tmpl) { |
432 | SKIP: { |
433 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
0b568b5f |
434 | |
1109a392 |
435 | skip "cannot pack '$t' on this perl", 4 |
436 | if is_valid_error($@); |
3020ec7a |
437 | |
86704b5f |
438 | is( $@, '', "Template $t works"); |
1109a392 |
439 | is(scalar @t, 2); |
3020ec7a |
440 | |
0b568b5f |
441 | is($t[0], 12); |
442 | is($t[1], 34); |
443 | } |
0b568b5f |
444 | } |
d4217c7e |
445 | } |
9d116dd7 |
446 | |
fa8ec7c1 |
447 | { |
0b568b5f |
448 | # uuencode/decode |
9d116dd7 |
449 | |
0b568b5f |
450 | # Note that first uuencoding known 'text' data and then checking the |
451 | # binary values of the uuencoded version would not be portable between |
452 | # character sets. Uuencoding is meant for encoding binary data, not |
453 | # text data. |
c4d5f83a |
454 | |
0b568b5f |
455 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
456 | |
0b568b5f |
457 | # just to be anal, we do some random tr/`/ / |
458 | my $uu = <<'EOUU'; |
ba1ac976 |
459 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
460 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
461 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
462 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
463 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
464 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
465 | EOUU |
466 | |
0b568b5f |
467 | $_ = $uu; |
468 | tr/ /`/; |
9d116dd7 |
469 | |
0b568b5f |
470 | is(pack('u', $in), $_); |
fa8ec7c1 |
471 | |
0b568b5f |
472 | is(unpack('u', $uu), $in); |
9d116dd7 |
473 | |
0b568b5f |
474 | $in = "\x1f\x8b\x08\x08\x58\xdc\xc4\x35\x02\x03\x4a\x41\x50\x55\x00\xf3\x2a\x2d\x2e\x51\x48\xcc\xcb\x2f\xc9\x48\x2d\x52\x08\x48\x2d\xca\x51\x28\x2d\x4d\xce\x4f\x49\x2d\xe2\x02\x00\x64\x66\x60\x5c\x1a\x00\x00\x00"; |
475 | $uu = <<'EOUU'; |
eddc390b |
476 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
477 | &8%P:```` |
478 | EOUU |
479 | |
0b568b5f |
480 | is(unpack('u', $uu), $in); |
eddc390b |
481 | |
0b568b5f |
482 | # This is identical to the above except that backquotes have been |
483 | # changed to spaces |
eddc390b |
484 | |
0b568b5f |
485 | $uu = <<'EOUU'; |
eddc390b |
486 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
487 | &8%P: |
eddc390b |
488 | EOUU |
489 | |
0b568b5f |
490 | # ' # Grr |
491 | is(unpack('u', $uu), $in); |
ef54e1a4 |
492 | |
d99ad34e |
493 | } |
726ea183 |
494 | |
0b568b5f |
495 | # test the ascii template types (A, a, Z) |
726ea183 |
496 | |
fa8ec7c1 |
497 | foreach ( |
0b568b5f |
498 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
499 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
500 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
501 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
502 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
503 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
504 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
505 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
506 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
507 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
508 | ['p', 'Z3', "foo", "fo\0"], |
509 | ['u', 'Z*', "foo\0bar \0", "foo"], |
510 | ['u', 'Z8', "foo\0bar \0", "foo"], |
28be1210 |
511 | ) |
0b568b5f |
512 | { |
513 | my ($what, $template, $in, $out) = @$_; |
514 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
515 | unless (is($got, $out)) { |
0b568b5f |
516 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
517 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
518 | ' not '._qq($got)."\n"; |
0b568b5f |
519 | } |
d99ad34e |
520 | } |
726ea183 |
521 | |
40837afc |
522 | print "# packing native shorts/ints/longs\n"; |
726ea183 |
523 | |
0b568b5f |
524 | is(length(pack("s!", 0)), $Config{shortsize}); |
525 | is(length(pack("i!", 0)), $Config{intsize}); |
526 | is(length(pack("l!", 0)), $Config{longsize}); |
527 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
528 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
529 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
530 | |
fa8ec7c1 |
531 | sub numbers { |
1109a392 |
532 | my $base = shift; |
533 | my @formats = ($base); |
534 | $base =~ /^[silqjfdp]/i and push @formats, "$base>", "$base<"; |
535 | for my $format (@formats) { |
536 | numbers_with_total ($format, undef, @_); |
537 | } |
d99ad34e |
538 | } |
726ea183 |
539 | |
fa8ec7c1 |
540 | sub numbers_with_total { |
541 | my $format = shift; |
542 | my $total = shift; |
543 | if (!defined $total) { |
544 | foreach (@_) { |
545 | $total += $_; |
546 | } |
547 | } |
40837afc |
548 | print "# numbers test for $format\n"; |
fa8ec7c1 |
549 | foreach (@_) { |
0b568b5f |
550 | SKIP: { |
551 | my $out = eval {unpack($format, pack($format, $_))}; |
1109a392 |
552 | skip "cannot pack '$format' on this perl", 2 |
553 | if is_valid_error($@); |
0b568b5f |
554 | |
96b96e00 |
555 | is($@, '', "no error"); |
556 | is($out, $_, "unpack pack $format $_"); |
fa8ec7c1 |
557 | } |
fa8ec7c1 |
558 | } |
726ea183 |
559 | |
fa8ec7c1 |
560 | my $skip_if_longer_than = ~0; # "Infinity" |
561 | if (~0 - 1 == ~0) { |
562 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
563 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
564 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
565 | # is using UV maths, and we've only got NVs. |
53133ed1 |
566 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
fa8ec7c1 |
567 | } |
726ea183 |
568 | |
fa8ec7c1 |
569 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
570 | SKIP: { |
571 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
572 | skip "cannot pack '$format' on this perl", 3 |
1109a392 |
573 | if is_valid_error($@); |
0b568b5f |
574 | |
96b96e00 |
575 | is($@, '', "no error"); |
576 | ok(defined $sum, "sum bits $_, format $format defined"); |
0b568b5f |
577 | |
578 | my $len = $_; # Copy, so that we can reassign '' |
579 | $len = 16 unless length $len; |
580 | |
581 | SKIP: { |
582 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
583 | if $len > $skip_if_longer_than; |
584 | |
585 | # Our problem with testing this portably is that the checksum code in |
586 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
587 | # arithmetic in unsigned ints, which perl has no operators to do. |
588 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
589 | # fine with ANSI, but not with most people's assumptions. |
590 | # This is why we need to supply the totals for 'Q' as there's no way in |
591 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
592 | # ** returns NVs; make sure it's IV. |
593 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
594 | my $max_p1 = $max + 1; |
595 | my ($max_is_integer, $max_p1_is_integer); |
596 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
597 | $max_is_integer = 1 if $max - 1 < ~0; |
598 | |
599 | my $calc_sum; |
600 | if (ref $total) { |
601 | $calc_sum = &$total($len); |
602 | } else { |
603 | $calc_sum = $total; |
604 | # Shift into range by some multiple of the total |
53f3fd80 |
605 | my $mult = $max_p1 ? int ($total / $max_p1) : undef; |
0b568b5f |
606 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
607 | $calc_sum = $total - $mult; |
608 | $calc_sum -= $mult * $max; |
609 | if ($calc_sum < 0) { |
610 | $calc_sum += 1; |
611 | $calc_sum += $max; |
612 | } |
613 | } |
614 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
615 | # we're into floating point (either by getting out of the range of |
28be1210 |
616 | # UV arithmetic, or because we're doing a floating point checksum) |
0b568b5f |
617 | # and our calculation of the checksum has become rounded up to |
618 | # max_checksum + 1 |
619 | $calc_sum = 0; |
620 | } |
621 | |
0dccb3d1 |
622 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
96b96e00 |
623 | pass ("unpack '%$_$format' gave $sum"); |
0b568b5f |
624 | } else { |
625 | my $delta = 1.000001; |
626 | if ($format =~ tr /dDfF// |
627 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
628 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
629 | } else { |
630 | my $text = ref $total ? &$total($len) : $total; |
631 | fail; |
632 | print "# For list (" . join (", ", @_) . ") (total $text)" |
633 | . " packed with $format unpack '%$_$format' gave $sum," |
634 | . " expected $calc_sum\n"; |
635 | } |
636 | } |
fa8ec7c1 |
637 | } |
96b96e00 |
638 | } |
2e821511 |
639 | } |
640 | } |
641 | |
fa8ec7c1 |
642 | numbers ('c', -128, -1, 0, 1, 127); |
643 | numbers ('C', 0, 1, 127, 128, 255); |
f337b084 |
644 | numbers ('W', 0, 1, 127, 128, 255, 256, 0x7ff, 0x800, 0xfffd); |
fa8ec7c1 |
645 | numbers ('s', -32768, -1, 0, 1, 32767); |
646 | numbers ('S', 0, 1, 32767, 32768, 65535); |
647 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
648 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
649 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
650 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
651 | numbers ('s!', -32768, -1, 0, 1, 32767); |
652 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
653 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
654 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
655 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
656 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
657 | numbers ('n', 0, 1, 32767, 32768, 65535); |
658 | numbers ('v', 0, 1, 32767, 32768, 65535); |
659 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
660 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
068bd2e7 |
661 | numbers ('n!', -32768, -1, 0, 1, 32767); |
662 | numbers ('v!', -32768, -1, 0, 1, 32767); |
663 | numbers ('N!', -2147483648, -1, 0, 1, 2147483647); |
664 | numbers ('V!', -2147483648, -1, 0, 1, 2147483647); |
fa8ec7c1 |
665 | # All these should have exact binary representations: |
666 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
667 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
668 | ## These don't, but 'd' is NV. XXX wrong, it's double |
669 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
670 | |
671 | numbers_with_total ('q', -1, |
672 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
673 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
674 | # the epxected checksum on any system including those where NVs can preserve |
675 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
676 | # or where rounding is down not up on binary conversion (crays) |
677 | numbers_with_total ('Q', sub { |
678 | my $len = shift; |
679 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
680 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
681 | return 0 if $total == $total - 1; # Overflowed integers |
682 | return $total; # NVs still accurate to nearest integer |
683 | }, |
fa8ec7c1 |
684 | 0, 1,9223372036854775807, 9223372036854775808, |
685 | 18446744073709551615); |
686 | |
40837afc |
687 | print "# pack nvNV byteorders\n"; |
fa8ec7c1 |
688 | |
0b568b5f |
689 | is(pack("n", 0xdead), "\xde\xad"); |
690 | is(pack("v", 0xdead), "\xad\xde"); |
691 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
692 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
693 | |
d9db00a6 |
694 | SKIP: { |
695 | skip $no_signedness, 4 if $no_signedness; |
696 | is(pack("n!", 0xdead), "\xde\xad"); |
697 | is(pack("v!", 0xdead), "\xad\xde"); |
698 | is(pack("N!", 0xdeadbeef), "\xde\xad\xbe\xef"); |
699 | is(pack("V!", 0xdeadbeef), "\xef\xbe\xad\xde"); |
700 | } |
068bd2e7 |
701 | |
1109a392 |
702 | print "# test big-/little-endian conversion\n"; |
703 | |
704 | sub byteorder |
705 | { |
706 | my $format = shift; |
707 | print "# byteorder test for $format\n"; |
708 | for my $value (@_) { |
709 | SKIP: { |
710 | my($nat,$be,$le) = eval { map { pack $format.$_, $value } '', '>', '<' }; |
711 | skip "cannot pack '$format' on this perl", 5 |
712 | if is_valid_error($@); |
713 | |
714 | print "# [$value][$nat][$be][$le][$@]\n"; |
715 | |
716 | SKIP: { |
717 | skip "cannot compare native byteorder with big-/little-endian", 1 |
718 | if $ByteOrder eq 'unknown'; |
719 | |
720 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
721 | } |
722 | is($be, reverse($le)); |
723 | my @x = eval { unpack "$format$format>$format<", $nat.$be.$le }; |
724 | |
725 | print "# [$value][", join('][', @x), "][$@]\n"; |
726 | |
727 | is($@, ''); |
728 | is($x[0], $x[1]); |
729 | is($x[0], $x[2]); |
730 | } |
731 | } |
732 | } |
733 | |
734 | byteorder('s', -32768, -1, 0, 1, 32767); |
735 | byteorder('S', 0, 1, 32767, 32768, 65535); |
736 | byteorder('i', -2147483648, -1, 0, 1, 2147483647); |
737 | byteorder('I', 0, 1, 2147483647, 2147483648, 4294967295); |
738 | byteorder('l', -2147483648, -1, 0, 1, 2147483647); |
739 | byteorder('L', 0, 1, 2147483647, 2147483648, 4294967295); |
740 | byteorder('j', -2147483648, -1, 0, 1, 2147483647); |
741 | byteorder('J', 0, 1, 2147483647, 2147483648, 4294967295); |
742 | byteorder('s!', -32768, -1, 0, 1, 32767); |
743 | byteorder('S!', 0, 1, 32767, 32768, 65535); |
744 | byteorder('i!', -2147483648, -1, 0, 1, 2147483647); |
745 | byteorder('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
746 | byteorder('l!', -2147483648, -1, 0, 1, 2147483647); |
747 | byteorder('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
748 | byteorder('q', -9223372036854775808, -1, 0, 1, 9223372036854775807); |
749 | byteorder('Q', 0, 1, 9223372036854775807, 9223372036854775808, 18446744073709551615); |
750 | byteorder('f', -1, 0, 0.5, 42, 2**34); |
751 | byteorder('F', -1, 0, 0.5, 42, 2**34); |
752 | byteorder('d', -(2**34), -1, 0, 1, 2**34); |
753 | byteorder('D', -(2**34), -1, 0, 1, 2**34); |
754 | |
755 | print "# test negative numbers\n"; |
756 | |
757 | SKIP: { |
758 | skip "platform is not using two's complement for negative integers", 120 |
759 | unless $IsTwosComplement; |
760 | |
761 | for my $format (qw(s i l j s! i! l! q)) { |
762 | SKIP: { |
763 | my($nat,$be,$le) = eval { map { pack $format.$_, -1 } '', '>', '<' }; |
764 | skip "cannot pack '$format' on this perl", 15 |
765 | if is_valid_error($@); |
766 | |
767 | my $len = length $nat; |
768 | is($_, "\xFF"x$len) for $nat, $be, $le; |
769 | |
770 | my(@val,@ref); |
771 | if ($len >= 8) { |
772 | @val = (-2, -81985529216486896, -9223372036854775808); |
773 | @ref = ("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", |
774 | "\xFE\xDC\xBA\x98\x76\x54\x32\x10", |
775 | "\x80\x00\x00\x00\x00\x00\x00\x00"); |
776 | } |
777 | elsif ($len >= 4) { |
778 | @val = (-2, -19088744, -2147483648); |
779 | @ref = ("\xFF\xFF\xFF\xFE", |
780 | "\xFE\xDC\xBA\x98", |
781 | "\x80\x00\x00\x00"); |
782 | } |
783 | else { |
784 | @val = (-2, -292, -32768); |
785 | @ref = ("\xFF\xFE", |
786 | "\xFE\xDC", |
787 | "\x80\x00"); |
788 | } |
789 | for my $x (@ref) { |
790 | if ($len > length $x) { |
791 | $x = $x . "\xFF" x ($len - length $x); |
792 | } |
793 | } |
794 | |
795 | for my $i (0 .. $#val) { |
796 | my($nat,$be,$le) = eval { map { pack $format.$_, $val[$i] } '', '>', '<' }; |
797 | is($@, ''); |
798 | |
799 | SKIP: { |
800 | skip "cannot compare native byteorder with big-/little-endian", 1 |
801 | if $ByteOrder eq 'unknown'; |
802 | |
803 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
804 | } |
805 | |
806 | is($be, $ref[$i]); |
807 | is($be, reverse($le)); |
808 | } |
809 | } |
810 | } |
811 | } |
812 | |
fa8ec7c1 |
813 | { |
814 | # / |
815 | |
816 | my ($x, $y, $z); |
817 | eval { ($x) = unpack '/a*','hello' }; |
49704364 |
818 | like($@, qr!'/' must follow a numeric type!); |
72b034c3 |
819 | undef $x; |
820 | eval { $x = unpack '/a*','hello' }; |
49704364 |
821 | like($@, qr!'/' must follow a numeric type!); |
0b568b5f |
822 | |
72b034c3 |
823 | undef $x; |
fa8ec7c1 |
824 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
825 | is($@, ''); |
826 | is($z, 'ok'); |
827 | is($x, 'yes'); |
828 | is($y, 'z'); |
72b034c3 |
829 | undef $z; |
830 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
831 | is($@, ''); |
832 | is($z, 'ok'); |
833 | |
fa8ec7c1 |
834 | |
72b034c3 |
835 | undef $x; |
fa8ec7c1 |
836 | eval { ($x) = pack '/a*','hello' }; |
49704364 |
837 | like($@, qr!Invalid type '/'!); |
72b034c3 |
838 | undef $x; |
839 | eval { $x = pack '/a*','hello' }; |
49704364 |
840 | like($@, qr!Invalid type '/'!); |
fa8ec7c1 |
841 | |
842 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
843 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
844 | is($z, $expect); |
4b5b2118 |
845 | |
72b034c3 |
846 | undef $x; |
b85d93de |
847 | $expect = 'hello world'; |
848 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
849 | is($x, $expect); |
850 | is($@, ''); |
851 | |
72b034c3 |
852 | undef $x; |
b85d93de |
853 | # Doing this in scalar context used to fail. |
854 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
855 | is($@, ''); |
856 | is($x, $expect); |
b85d93de |
857 | |
fa8ec7c1 |
858 | foreach ( |
0b568b5f |
859 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
860 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
861 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
28be1210 |
862 | ) |
0b568b5f |
863 | { |
fa8ec7c1 |
864 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
865 | undef $x; |
fa8ec7c1 |
866 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
867 | is($@, ''); |
28be1210 |
868 | is($x, $expect) || |
0b568b5f |
869 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
870 | encode_list ($x); |
871 | |
72b034c3 |
872 | undef $x; |
b85d93de |
873 | eval { $x = unpack $pat, $in }; |
0b568b5f |
874 | is($@, ''); |
875 | is($x, $expect) || |
876 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
877 | encode_list ($x); |
fa8ec7c1 |
878 | } |
4b5b2118 |
879 | |
0b568b5f |
880 | # / with # |
17f4a12d |
881 | |
72b034c3 |
882 | my $pattern = <<'EOU'; |
17f4a12d |
883 | a3/A # Count in ASCII |
884 | C/a* # Count in a C char |
885 | C/Z # Count in a C char but skip after \0 |
886 | EOU |
17f4a12d |
887 | |
72b034c3 |
888 | $x = $y = $z =undef; |
889 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
890 | is($@, ''); |
891 | is($z, 'ok'); |
892 | is($x, 'yes'); |
893 | is($y, 'z'); |
72b034c3 |
894 | undef $x; |
895 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
896 | is($@, ''); |
897 | is($z, 'ok'); |
0b568b5f |
898 | |
72b034c3 |
899 | $pattern = <<'EOP'; |
17f4a12d |
900 | n/a* # Count as network short |
901 | w/A* # Count a BER integer |
902 | EOP |
fa8ec7c1 |
903 | $expect = "\000\006string\003etc"; |
72b034c3 |
904 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
905 | is($z, $expect); |
fa8ec7c1 |
906 | } |
907 | |
60a99fa7 |
908 | |
909 | SKIP: { |
910 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
911 | |
912 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
913 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
914 | } |
0b568b5f |
915 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
916 | |
0b568b5f |
917 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
918 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
919 | |
920 | # does pack U create Unicode? |
0b568b5f |
921 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
922 | |
923 | # does unpack U deref Unicode? |
0b568b5f |
924 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
925 | |
926 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
927 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
928 | |
929 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
930 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
931 | |
932 | |
933 | SKIP: { |
934 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
935 | |
7eed2ccc |
936 | # does unpack C unravel pack U? |
0b568b5f |
937 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
938 | |
7eed2ccc |
939 | # does pack U0C create Unicode? |
0b568b5f |
940 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
941 | |
7eed2ccc |
942 | # does pack C0U create characters? |
0b568b5f |
943 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
944 | |
2dcec3fe |
945 | # does unpack U0U on byte data warn? |
946 | { |
bd7d4f4d |
947 | use warnings qw(NONFATAL all);; |
948 | |
08ca2aa3 |
949 | my $bad = pack("U0C", 255); |
2dcec3fe |
950 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
08ca2aa3 |
951 | my @null = unpack('U0U', $bad); |
1109a392 |
952 | like($@, qr/^Malformed UTF-8 character /); |
2dcec3fe |
953 | } |
35bcd338 |
954 | } |
955 | |
fa8ec7c1 |
956 | { |
957 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
958 | my (@a); |
959 | # bug - % had to be at the start of the pattern, no leading whitespace or |
960 | # comments. %i! didn't work at all. |
961 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
962 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
963 | @a = unpack $pat, $p; |
0b568b5f |
964 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
965 | @a = scalar unpack $pat, $p; |
0b568b5f |
966 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
967 | } |
968 | |
969 | |
970 | $p = pack 'I*', 42, 12; |
971 | # Multiline patterns in scalar context failed. |
972 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
973 | # On the Ning Nang Nong |
974 | # Where the Cows go Bong! |
975 | # And the Monkeys all say Boo! |
976 | I |
977 | EOPOEMSNIPPET |
0b568b5f |
978 | @a = unpack $pat, $p; |
979 | is(scalar @a, 1); |
980 | is($a[0], 42); |
981 | @a = scalar unpack $pat, $p; |
982 | is(scalar @a, 1); |
983 | is($a[0], 42); |
984 | } |
fa8ec7c1 |
985 | |
986 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
987 | # point, so a pathologically long pattern would wrap at 32 bits. |
988 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
989 | foreach (4,3,2,1,0) { |
990 | my $len = 65534 + $_; |
0b568b5f |
991 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
992 | } |
993 | } |
b85d93de |
994 | |
995 | |
996 | # pack x X @ |
997 | foreach ( |
0b568b5f |
998 | ['x', "N", "\0"], |
999 | ['x4', "N", "\0"x4], |
1000 | ['xX', "N", ""], |
1001 | ['xXa*', "Nick", "Nick"], |
1002 | ['a5Xa5', "cameL", "llama", "camellama"], |
1003 | ['@4', 'N', "\0"x4], |
1004 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
1005 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
28be1210 |
1006 | ) |
0b568b5f |
1007 | { |
b85d93de |
1008 | my ($template, @in) = @$_; |
1009 | my $out = pop @in; |
1010 | my $got = eval {pack $template, @in}; |
0b568b5f |
1011 | is($@, ''); |
1012 | is($out, $got) || |
1013 | printf "# pack ('$template', %s) gave %s expected %s\n", |
1014 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
1015 | } |
1016 | |
1017 | # unpack x X @ |
1018 | foreach ( |
0b568b5f |
1019 | ['x', "N"], |
1020 | ['xX', "N"], |
1021 | ['xXa*', "Nick", "Nick"], |
1022 | ['a5Xa5', "camellama", "camel", "llama"], |
1023 | ['@3', "ice"], |
1024 | ['@2a2', "water", "te"], |
1025 | ['a*@1a3', "steam", "steam", "tea"], |
28be1210 |
1026 | ) |
0b568b5f |
1027 | { |
b85d93de |
1028 | my ($template, $in, @out) = @$_; |
1029 | my @got = eval {unpack $template, $in}; |
0b568b5f |
1030 | is($@, ''); |
c8f824eb |
1031 | ok (list_eq (\@got, \@out)) || |
9e17a6b8 |
1032 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
1033 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
1034 | |
1035 | my $got = eval {unpack $template, $in}; |
0b568b5f |
1036 | is($@, ''); |
1037 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
1038 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
1039 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
1040 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
1041 | } |
d50dd4e4 |
1042 | |
1043 | { |
d50dd4e4 |
1044 | my $t = 'Z*Z*'; |
1045 | my ($u, $v) = qw(foo xyzzy); |
1046 | my $p = pack($t, $u, $v); |
1047 | my @u = unpack($t, $p); |
0b568b5f |
1048 | is(scalar @u, 2); |
1049 | is($u[0], $u); |
1050 | is($u[1], $v); |
d50dd4e4 |
1051 | } |
bf80f5a2 |
1052 | |
1053 | { |
0b568b5f |
1054 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
1055 | |
0b568b5f |
1056 | # "w/a*" should be seen as one unit |
bf80f5a2 |
1057 | |
0b568b5f |
1058 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
1059 | } |
b81060d6 |
1060 | |
d9db00a6 |
1061 | SKIP: { |
66c611c5 |
1062 | print "# group modifiers\n"; |
1063 | |
d9db00a6 |
1064 | skip $no_endianness, 3 * 2 + 3 * 2 + 1 if $no_endianness; |
1065 | |
66c611c5 |
1066 | for my $t (qw{ (s<)< (sl>s)> (s(l(sl)<l)s)< }) { |
1067 | print "# testing pattern '$t'\n"; |
1068 | eval { ($_) = unpack($t, 'x'x18); }; |
1069 | is($@, ''); |
1070 | eval { $_ = pack($t, (0)x6); }; |
1071 | is($@, ''); |
1072 | } |
1073 | |
1074 | for my $t (qw{ (s<)> (sl>s)< (s(l(sl)<l)s)> }) { |
1075 | print "# testing pattern '$t'\n"; |
1076 | eval { ($_) = unpack($t, 'x'x18); }; |
1077 | like($@, qr/Can't use '[<>]' in a group with different byte-order in unpack/); |
1078 | eval { $_ = pack($t, (0)x6); }; |
1079 | like($@, qr/Can't use '[<>]' in a group with different byte-order in pack/); |
1080 | } |
1081 | |
d9db00a6 |
1082 | is(pack('L<L>', (0x12345678)x2), |
1083 | pack('(((L1)1)<)(((L)1)1)>1', (0x12345678)x2)); |
1084 | } |
1085 | |
1086 | { |
66c611c5 |
1087 | sub compress_template { |
1088 | my $t = shift; |
1089 | for my $mod (qw( < > )) { |
1090 | $t =~ s/((?:(?:[SILQJFDP]!?$mod|[^SILQJFDP\W]!?)(?:\d+|\*|\[(?:[^]]+)\])?\/?){2,})/ |
1091 | my $x = $1; $x =~ s!$mod!!g ? "($x)$mod" : $x /ieg; |
1092 | } |
1093 | return $t; |
1094 | } |
1095 | |
66c611c5 |
1096 | my %templates = ( |
1097 | 's<' => [-42], |
1098 | 's<c2x![S]S<' => [-42, -11, 12, 4711], |
1099 | '(i<j<[s]l<)3' => [-11, -22, -33, 1000000, 1100, 2201, 3302, |
1100 | -1000000, 32767, -32768, 1, -123456789 ], |
1101 | '(I!<4(J<2L<)3)5' => [1 .. 65], |
1102 | 'q<Q<' => [-50000000005, 60000000006], |
1103 | 'f<F<d<' => [3.14159, 111.11, 2222.22], |
1104 | 'D<cCD<' => [1e42, -128, 255, 1e-42], |
1105 | 'n/a*' => ['/usr/bin/perl'], |
1106 | 'C/a*S</A*L</Z*I</a*' => [qw(Just another Perl hacker)], |
1107 | ); |
1108 | |
1109 | for my $tle (sort keys %templates) { |
1110 | my @d = @{$templates{$tle}}; |
1111 | my $tbe = $tle; |
1112 | $tbe =~ y/</>/; |
1113 | for my $t ($tbe, $tle) { |
1114 | my $c = compress_template($t); |
1115 | print "# '$t' -> '$c'\n"; |
1116 | SKIP: { |
1117 | my $p1 = eval { pack $t, @d }; |
1118 | skip "cannot pack '$t' on this perl", 5 if is_valid_error($@); |
1119 | my $p2 = eval { pack $c, @d }; |
1120 | is($@, ''); |
1121 | is($p1, $p2); |
1122 | s!(/[aAZ])\*!$1!g for $t, $c; |
1123 | my @u1 = eval { unpack $t, $p1 }; |
1124 | is($@, ''); |
1125 | my @u2 = eval { unpack $c, $p2 }; |
1126 | is($@, ''); |
1127 | is(join('!', @u1), join('!', @u2)); |
1128 | } |
1129 | } |
1130 | } |
1131 | } |
1132 | |
1133 | { |
b81060d6 |
1134 | # from Wolfgang Laun: fix in change #13163 |
1135 | |
1136 | my $s = 'ABC' x 10; |
644d52eb |
1137 | my $t = '*'; |
1138 | my $x = ord($t); |
b81060d6 |
1139 | my $buf = pack( 'Z*/A* C', $s, $x ); |
1140 | my $y; |
1141 | |
1142 | my $h = $buf; |
1143 | $h =~ s/[^[:print:]]/./g; |
1144 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
1145 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
1146 | is(length $buf, 34); |
1147 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
1148 | is($y, $x); |
b81060d6 |
1149 | } |
3bf38418 |
1150 | |
1151 | { |
b223308b |
1152 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
1153 | |
b223308b |
1154 | eval { my $t=unpack("P*", "abc") }; |
49704364 |
1155 | like($@, qr/'P' must have an explicit size/); |
3bf38418 |
1156 | } |
18529408 |
1157 | |
1158 | { # Grouping constructs |
1159 | my (@a, @b); |
1160 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
1161 | is("@a", "67 68"); |
1162 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
1163 | @b = (67..72); |
1164 | is("@a", "@b"); |
1165 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
1166 | is("@a", "@b"); |
1167 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
1168 | is("@a", "@b"); |
1169 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
1170 | is("@a", "@b"); |
1171 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
1172 | is("@a", "@b"); |
1173 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
1174 | is("@a", "@b"); |
1175 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
1176 | @b = (67..74); |
1177 | is("@a", "@b"); |
1178 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
1179 | is("@a", "@b"); |
1180 | eval { @a = unpack '(*SL)', '' }; |
1181 | like($@, qr/\(\)-group starts with a count/); |
1182 | eval { @a = unpack '(3SL)', '' }; |
1183 | like($@, qr/\(\)-group starts with a count/); |
1184 | eval { @a = unpack '([3]SL)', '' }; |
1185 | like($@, qr/\(\)-group starts with a count/); |
1186 | eval { @a = pack '(*SL)' }; |
1187 | like($@, qr/\(\)-group starts with a count/); |
1188 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
1189 | is("@a", "@b"); |
1190 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
1191 | is("@a", "@b"); |
1192 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
1193 | is("@a", "@b"); |
1194 | } |
206947d2 |
1195 | |
49704364 |
1196 | { # more on grouping (W.Laun) |
49704364 |
1197 | # @ absolute within ()-group |
1198 | my $badc = pack( '(a)*', unpack( '(@1a @0a @2)*', 'abcd' ) ); |
1199 | is( $badc, 'badc' ); |
1200 | my @b = ( 1, 2, 3 ); |
1201 | my $buf = pack( '(@1c)((@2C)@3c)', @b ); |
1202 | is( $buf, "\0\1\0\0\2\3" ); |
1203 | my @a = unpack( '(@1c)((@2c)@3c)', $buf ); |
1204 | is( "@a", "@b" ); |
1205 | |
28be1210 |
1206 | # various unpack count/code scenarios |
49704364 |
1207 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1208 | my $env = pack( 'S(S/A*S/A*)*', @Env/2, @Env ); |
1209 | |
1210 | # unpack full length - ok |
1211 | my @pup = unpack( 'S/(S/A* S/A*)', $env ); |
1212 | is( "@pup", "@Env" ); |
1213 | |
1214 | # warn when count/code goes beyond end of string |
1215 | # \0002 \0001 a \0003 AAA \0001 b \0003 BBB |
1216 | # 2 4 5 7 10 1213 |
1217 | eval { @pup = unpack( 'S/(S/A* S/A*)', substr( $env, 0, 13 ) ) }; |
1218 | like( $@, qr{length/code after end of string} ); |
28be1210 |
1219 | |
49704364 |
1220 | # postfix repeat count |
1221 | $env = pack( '(S/A* S/A*)' . @Env/2, @Env ); |
1222 | |
1223 | # warn when count/code goes beyond end of string |
1224 | # \0001 a \0003 AAA \0001 b \0003 BBB |
1225 | # 2 3c 5 8 10 11 13 16 |
1226 | eval { @pup = unpack( '(S/A* S/A*)' . @Env/2, substr( $env, 0, 11 ) ) }; |
1227 | like( $@, qr{length/code after end of string} ); |
1228 | |
1229 | # catch stack overflow/segfault |
1230 | eval { $_ = pack( ('(' x 105) . 'A' . (')' x 105) ); }; |
1231 | like( $@, qr{Too deeply nested \(\)-groups} ); |
1232 | } |
1233 | |
1234 | { # syntax checks (W.Laun) |
bd7d4f4d |
1235 | use warnings qw(NONFATAL all);; |
49704364 |
1236 | my @warning; |
1237 | local $SIG{__WARN__} = sub { |
1238 | push( @warning, $_[0] ); |
1239 | }; |
1240 | eval { my $s = pack( 'Ax![4c]A', 1..5 ); }; |
1241 | like( $@, qr{Malformed integer in \[\]} ); |
1242 | |
1243 | eval { my $buf = pack( '(c/*a*)', 'AAA', 'BB' ); }; |
1244 | like( $@, qr{'/' does not take a repeat count} ); |
1245 | |
1246 | eval { my @inf = unpack( 'c/1a', "\x03AAA\x02BB" ); }; |
1247 | like( $@, qr{'/' does not take a repeat count} ); |
1248 | |
1249 | eval { my @inf = unpack( 'c/*a', "\x03AAA\x02BB" ); }; |
1250 | like( $@, qr{'/' does not take a repeat count} ); |
1251 | |
28be1210 |
1252 | # white space where possible |
49704364 |
1253 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1254 | my $env = pack( ' S ( S / A* S / A* )* ', @Env/2, @Env ); |
1255 | my @pup = unpack( ' S / ( S / A* S / A* ) ', $env ); |
1256 | is( "@pup", "@Env" ); |
1257 | |
1258 | # white space in 4 wrong places |
1259 | for my $temp ( 'A ![4]', 'A [4]', 'A *', 'A 4' ){ |
1260 | eval { my $s = pack( $temp, 'B' ); }; |
1261 | like( $@, qr{Invalid type } ); |
1262 | } |
1263 | |
1264 | # warning for commas |
1265 | @warning = (); |
1266 | my $x = pack( 'I,A', 4, 'X' ); |
1267 | like( $warning[0], qr{Invalid type ','} ); |
1268 | |
1269 | # comma warning only once |
1270 | @warning = (); |
1271 | $x = pack( 'C(C,C)C,C', 65..71 ); |
1272 | like( scalar @warning, 1 ); |
1273 | |
1274 | # forbidden code in [] |
1275 | eval { my $x = pack( 'A[@4]', 'XXXX' ); }; |
1276 | like( $@, qr{Within \[\]-length '\@' not allowed} ); |
1277 | |
1278 | # @ repeat default 1 |
1279 | my $s = pack( 'AA@A', 'A', 'B', 'C' ); |
1280 | my @c = unpack( 'AA@A', $s ); |
28be1210 |
1281 | is( $s, 'AC' ); |
1282 | is( "@c", "A C C" ); |
49704364 |
1283 | |
1284 | # no unpack code after / |
1285 | eval { my @a = unpack( "C/", "\3" ); }; |
1286 | like( $@, qr{Code missing after '/'} ); |
1287 | |
d9db00a6 |
1288 | SKIP: { |
1289 | skip $no_endianness, 6 if $no_endianness; |
1290 | |
1291 | # modifier warnings |
1292 | @warning = (); |
1293 | $x = pack "I>>s!!", 47, 11; |
1294 | ($x) = unpack "I<<l!>!>", 'x'x20; |
1295 | is(scalar @warning, 5); |
1296 | like($warning[0], qr/Duplicate modifier '>' after 'I' in pack/); |
1297 | like($warning[1], qr/Duplicate modifier '!' after 's' in pack/); |
1298 | like($warning[2], qr/Duplicate modifier '<' after 'I' in unpack/); |
1299 | like($warning[3], qr/Duplicate modifier '!' after 'l' in unpack/); |
1300 | like($warning[4], qr/Duplicate modifier '>' after 'l' in unpack/); |
1301 | } |
49704364 |
1302 | } |
1303 | |
206947d2 |
1304 | { # Repeat count [SUBEXPR] |
f337b084 |
1305 | 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 |
1306 | s! S! i! I! l! L! j J); |
1307 | my $G; |
206947d2 |
1308 | if (eval { pack 'q', 1 } ) { |
1309 | push @codes, qw(q Q); |
1310 | } else { |
1109a392 |
1311 | push @codes, qw(s S); # Keep the count the same |
206947d2 |
1312 | } |
92d41999 |
1313 | if (eval { pack 'D', 1 } ) { |
1314 | push @codes, 'D'; |
1315 | } else { |
1316 | push @codes, 'd'; # Keep the count the same |
1317 | } |
206947d2 |
1318 | |
1109a392 |
1319 | push @codes, map { /^[silqjfdp]/i ? ("$_<", "$_>") : () } @codes; |
1320 | |
206947d2 |
1321 | my %val; |
1322 | @val{@codes} = map { / [Xx] (?{ undef }) |
1323 | | [AZa] (?{ 'something' }) |
1324 | | C (?{ 214 }) |
f337b084 |
1325 | | W (?{ 8188 }) |
206947d2 |
1326 | | c (?{ 114 }) |
1327 | | [Bb] (?{ '101' }) |
1328 | | [Hh] (?{ 'b8' }) |
92d41999 |
1329 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
1330 | | [FfDd] (?{ 1.36514538e67 }) |
1331 | | [pP] (?{ "try this buffer" }) |
1332 | /x; $^R } @codes; |
1333 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
1334 | my $end = "N4"; |
1335 | |
1336 | for my $type (@codes) { |
1337 | my @list = $val{$type}; |
1338 | @list = () unless defined $list[0]; |
1339 | for my $count ('', '3', '[11]') { |
1340 | my $c = 1; |
1341 | $c = $1 if $count =~ /(\d+)/; |
1342 | my @list1 = @list; |
1343 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
1344 | for my $groupend ('', ')2', ')[8]') { |
1345 | my $groupbegin = ($groupend ? '(' : ''); |
1346 | $c = 1; |
1347 | $c = $1 if $groupend =~ /(\d+)/; |
1348 | my @list2 = (@list1) x $c; |
1349 | |
1109a392 |
1350 | SKIP: { |
1351 | my $junk1 = "$groupbegin $type$count $groupend"; |
1352 | # print "# junk1=$junk1\n"; |
1353 | my $p = eval { pack $junk1, @list2 }; |
1354 | skip "cannot pack '$type' on this perl", 12 |
1355 | if is_valid_error($@); |
9b72c5e4 |
1356 | die "pack $junk1 failed: $@" if $@; |
1109a392 |
1357 | |
1358 | my $half = int( (length $p)/2 ); |
1359 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
1360 | my $junk = "$junk1 $move"; |
1361 | # print "# junk='$junk', list=(@list2)\n"; |
1362 | $p = pack "$junk $end", @list2, @end; |
1363 | my @l = unpack "x[$junk] $end", $p; |
1364 | is(scalar @l, scalar @end); |
1365 | is("@l", "@end", "skipping x[$junk]"); |
1366 | } |
1367 | } |
206947d2 |
1368 | } |
1369 | } |
1370 | } |
1371 | } |
1372 | |
1373 | # / is recognized after spaces in scalar context |
1374 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
1375 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
1376 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
1377 | |
1378 | { # X! and x! |
1379 | my $t = 'C[3] x!8 C[2]'; |
1380 | my @a = (0x73..0x77); |
1381 | my $p = pack($t, @a); |
1382 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
1383 | my @b = unpack $t, $p; |
1384 | is(scalar @b, scalar @a); |
1385 | is("@b", "@a", 'x!8'); |
1386 | $t = 'x[5] C[6] X!8 C[2]'; |
1387 | @a = (0x73..0x7a); |
1388 | $p = pack($t, @a); |
1389 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
1390 | @b = unpack $t, $p; |
1391 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
1392 | is(scalar @b, scalar @a); |
1393 | is("@b", "@a"); |
1394 | } |
1395 | |
1396 | { # struct {char c1; double d; char cc[2];} |
1397 | my $t = 'C x![d] d C[2]'; |
1398 | my @a = (173, 1.283476517e-45, 42, 215); |
1399 | my $p = pack $t, @a; |
1400 | ok( length $p); |
1401 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
1402 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
1403 | $b = "@b"; |
1404 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1405 | is($b, "@a @a"); |
62f95557 |
1406 | |
bd7d4f4d |
1407 | use warnings qw(NONFATAL all);; |
62f95557 |
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 | { |
bd7d4f4d |
1499 | use warnings qw(NONFATAL all);; |
f7f98fdf |
1500 | my $warning; |
1501 | local $SIG{__WARN__} = sub { |
1502 | $warning = $_[0]; |
1503 | }; |
1504 | my $out = pack("u99", "foo" x 99); |
1505 | like($warning, qr/Field too wide in 'u' format in pack at /, |
1506 | "Warn about too wide uuencode"); |
1507 | is($out, ("_" . "9F]O" x 21 . "\n") x 4 . "M" . "9F]O" x 15 . "\n", |
1508 | "Use max width in case of too wide uuencode"); |
1509 | } |
1510 | |
0ed7c1bb |
1511 | # checksums |
1512 | { |
1513 | # verify that unpack advances correctly wrt a checksum |
1514 | my (@x) = unpack("b10a", "abcd"); |
1515 | my (@y) = unpack("%b10a", "abcd"); |
1516 | is($x[1], $y[1], "checksum advance ok"); |
d6d3e8bd |
1517 | |
1518 | # verify that the checksum is not overflowed with C0 |
1519 | is(unpack("C0%128U", "abcd"), unpack("U0%128U", "abcd"), "checksum not overflowed"); |
0ed7c1bb |
1520 | } |
0c81e54b |
1521 | |
1522 | { |
1523 | # U0 and C0 must be scoped |
1524 | my (@x) = unpack("a(U0)U", "b\341\277\274"); |
1525 | is($x[0], 'b', 'before scope'); |
08ca2aa3 |
1526 | is($x[1], 8188, 'after scope'); |
f337b084 |
1527 | |
1528 | is(pack("a(U0)U", "b", 8188), "b\341\277\274"); |
0c81e54b |
1529 | } |
21c16052 |
1530 | |
1531 | { |
1532 | # counted length prefixes shouldn't change C0/U0 mode |
1533 | # (note the length is actually 0 in this test) |
08ca2aa3 |
1534 | is(join(',', unpack("aC/UU", "b\0\341\277\274")), 'b,8188'); |
1535 | is(join(',', unpack("aC/CU", "b\0\341\277\274")), 'b,8188'); |
1536 | is(join(',', unpack("aU0C/UU", "b\0\341\277\274")), 'b,225'); |
1537 | is(join(',', unpack("aU0C/CU", "b\0\341\277\274")), 'b,225'); |
21c16052 |
1538 | } |
f0df5f8b |
1539 | |
1540 | { |
1541 | # "Z0" (bug #34062) |
1542 | my (@x) = unpack("C*", pack("CZ0", 1, "b")); |
1543 | is(join(',', @x), '1', 'pack Z0 doesn\'t destroy the character before'); |
1544 | } |
f337b084 |
1545 | |
1546 | { |
1547 | # Encoding neutrality |
1548 | # String we will pull apart and rebuild in several ways: |
1549 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1550 | my $up = $down; |
1551 | utf8::upgrade($up); |
1552 | |
1553 | my %expect = |
1554 | # [expected result, |
1555 | # how many chars it should progress, |
1556 | # (optional) expected result of pack] |
1557 | (a5 => ["\xf8\xf9\xfa\xfb\xfc", 5], |
1558 | A5 => ["\xf8\xf9\xfa\xfb\xfc", 5], |
1559 | Z5 => ["\xf8\xf9\xfa\xfb\xfc", 5, "\xf8\xf9\xfa\xfb\x00\xfd"], |
1560 | b21 => ["000111111001111101011", 3, "\xf8\xf9\x1a\xfb"], |
1561 | B21 => ["111110001111100111111", 3, "\xf8\xf9\xf8\xfb"], |
1562 | H5 => ["f8f9f", 3, "\xf8\xf9\xf0\xfb"], |
1563 | h5 => ["8f9fa", 3, "\xf8\xf9\x0a\xfb"], |
1564 | "s<" => [-1544, 2], |
1565 | "s>" => [-1799, 2], |
1566 | "S<" => [0xf9f8, 2], |
1567 | "S>" => [0xf8f9, 2], |
1568 | "l<" => [-67438088, 4], |
1569 | "l>" => [-117835013, 4], |
1570 | "L>" => [0xf8f9fafb, 4], |
1571 | "L<" => [0xfbfaf9f8, 4], |
1572 | n => [0xf8f9, 2], |
1573 | N => [0xf8f9fafb, 4], |
1574 | v => [63992, 2], |
1575 | V => [0xfbfaf9f8, 4], |
1576 | c => [-8, 1], |
1577 | U0U => [0xf8, 1], |
1578 | w => ["8715569050387726213", 9], |
1579 | q => ["-283686952306184", 8], |
1580 | Q => ["18446460386757245432", 8], |
1581 | ); |
1582 | |
1583 | for my $string ($down, $up) { |
1584 | for my $format (sort {lc($a) cmp lc($b) || $a cmp $b } keys %expect) { |
1585 | SKIP: { |
1586 | my $expect = $expect{$format}; |
1587 | # unpack upgraded and downgraded string |
1588 | my @result = eval { unpack("$format C0 W", $string) }; |
1589 | skip "cannot pack/unpack '$format C0 W' on this perl", 5 if |
1590 | $@ && is_valid_error($@); |
1591 | is(@result, 2, "Two results from unpack $format C0 W"); |
1592 | |
1593 | # pack to downgraded |
1594 | my $new = pack("$format C0 W", @result); |
1595 | is(length($new), $expect->[1]+1, |
1596 | "pack $format C0 W should give $expect->[1]+1 chars"); |
1597 | is($new, $expect->[2] || substr($string, 0, length $new), |
1598 | "pack $format C0 W returns expected value"); |
1599 | |
1600 | # pack to upgraded |
1601 | $new = pack("a0 $format C0 W", chr(256), @result); |
1602 | is(length($new), $expect->[1]+1, |
1603 | "pack a0 $format C0 W should give $expect->[1]+1 chars"); |
1604 | is($new, $expect->[2] || substr($string, 0, length $new), |
1605 | "pack a0 $format C0 W returns expected value"); |
1606 | } |
1607 | } |
1608 | } |
1609 | } |
1610 | |
1611 | { |
1612 | # Encoding neutrality, numbers |
1613 | my $val = -2.68; |
1614 | for my $format (qw(s S i I l L j J f d F D q Q |
1615 | s! S! i! I! l! L! n! N! v! V!)) { |
1616 | SKIP: { |
1617 | my $down = eval { pack($format, $val) }; |
1618 | skip "cannot pack/unpack $format on this perl", 9 if |
1619 | $@ && is_valid_error($@); |
1620 | ok(!utf8::is_utf8($down), "Simple $format pack doesn't get upgraded"); |
1621 | my $up = pack("a0 $format", chr(256), $val); |
1622 | ok(utf8::is_utf8($up), "a0 $format with high char leads to upgrade"); |
1623 | is($down, $up, "$format generated strings are equal though"); |
1624 | my @down_expanded = unpack("$format W", $down . chr(0xce)); |
1625 | is(@down_expanded, 2, "Expand to two values"); |
1626 | is($down_expanded[1], 0xce, |
1627 | "unpack $format left us at the expected position"); |
1628 | my @up_expanded = unpack("$format W", $up . chr(0xce)); |
1629 | is(@up_expanded, 2, "Expand to two values"); |
1630 | is($up_expanded[1], 0xce, |
1631 | "unpack $format left us at the expected position"); |
1632 | is($down_expanded[0], $up_expanded[0], "$format unpack was neutral"); |
1633 | is(pack($format, $down_expanded[0]), $down, "Pack $format undoes unpack $format"); |
1634 | } |
1635 | } |
1636 | } |
1637 | |
1638 | { |
1639 | # C is *not* neutral |
1640 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1641 | my $up = $down; |
1642 | utf8::upgrade($up); |
1643 | my @down = unpack("C*", $down); |
1644 | my @expect_down = (0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0x05, 0x06); |
1645 | is("@down", "@expect_down", "byte expand"); |
1646 | is(pack("C*", @down), $down, "byte join"); |
1647 | |
1648 | my @up = unpack("C*", $up); |
1649 | my @expect_up = (0xc3, 0xb8, 0xc3, 0xb9, 0xc3, 0xba, 0xc3, 0xbb, 0xc3, 0xbc, 0xc3, 0xbd, 0xc3, 0xbe, 0xc3, 0xbf, 0x05, 0x06); |
1650 | is("@up", "@expect_up", "UTF-8 expand"); |
1651 | is(pack("U0C0C*", @up), $up, "UTF-8 join"); |
1652 | } |
1653 | |
1654 | { |
1655 | # Harder cases for the neutrality test |
1656 | |
1657 | # u format |
1658 | my $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1659 | my $up = $down; |
1660 | utf8::upgrade($up); |
1661 | is(pack("u", $down), pack("u", $up), "u pack is neutral"); |
1662 | is(unpack("u", pack("u", $down)), $down, "u unpack to downgraded works"); |
1663 | is(unpack("U0C0u", pack("u", $down)), $up, "u unpack to upgraded works"); |
1664 | |
1665 | # p/P format |
1666 | # This actually only tests something if the address contains a byte >= 0x80 |
1667 | my $str = "abc\xa5\x00\xfede"; |
1668 | $down = pack("p", $str); |
1669 | is(pack("P", $str), $down); |
1670 | is(pack("U0C0p", $str), $down); |
1671 | is(pack("U0C0P", $str), $down); |
1672 | is(unpack("p", $down), "abc\xa5", "unpack p downgraded"); |
1673 | $up = $down; |
1674 | utf8::upgrade($up); |
1675 | is(unpack("p", $up), "abc\xa5", "unpack p upgraded"); |
1676 | |
1677 | is(unpack("P7", $down), "abc\xa5\x00\xfed", "unpack P downgraded"); |
1678 | is(unpack("P7", $up), "abc\xa5\x00\xfed", "unpack P upgraded"); |
1679 | |
1680 | # x, X and @ |
1681 | $down = "\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff\x05\x06"; |
1682 | $up = $down; |
1683 | utf8::upgrade($up); |
1684 | |
1685 | is(unpack('@4W', $down), 0xfc, "\@positioning on downgraded string"); |
1686 | is(unpack('@4W', $up), 0xfc, "\@positioning on upgraded string"); |
1687 | |
1688 | is(unpack('@4x2W', $down), 0xfe, "x moving on downgraded string"); |
1689 | is(unpack('@4x2W', $up), 0xfe, "x moving on upgraded string"); |
1690 | is(unpack('@4x!4W', $down), 0xfc, "x! moving on downgraded string"); |
1691 | is(unpack('@4x!4W', $up), 0xfc, "x! moving on upgraded string"); |
1692 | is(unpack('@5x!4W', $down), 0x05, "x! moving on downgraded string"); |
1693 | is(unpack('@5x!4W', $up), 0x05, "x! moving on upgraded string"); |
1694 | |
1695 | is(unpack('@4X2W', $down), 0xfa, "X moving on downgraded string"); |
1696 | is(unpack('@4X2W', $up), 0xfa, "X moving on upgraded string"); |
1697 | is(unpack('@4X!4W', $down), 0xfc, "X! moving on downgraded string"); |
1698 | is(unpack('@4X!4W', $up), 0xfc, "X! moving on upgraded string"); |
1699 | is(unpack('@5X!4W', $down), 0xfc, "X! moving on downgraded string"); |
1700 | is(unpack('@5X!4W', $up), 0xfc, "X! moving on upgraded string"); |
1701 | is(unpack('@5X!8W', $down), 0xf8, "X! moving on downgraded string"); |
1702 | is(unpack('@5X!8W', $up), 0xf8, "X! moving on upgraded string"); |
1703 | |
1704 | is(pack("W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on downgraded string"); |
28be1210 |
1705 | is(pack("W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
f337b084 |
1706 | "x! on downgraded string"); |
1707 | is(pack("W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on downgraded string"); |
1708 | is(pack("U0C0W2x", 0xfa, 0xe3), "\xfa\xe3\x00", "x on upgraded string"); |
28be1210 |
1709 | is(pack("U0C0W2x!4", 0xfa, 0xe3), "\xfa\xe3\x00\x00", |
f337b084 |
1710 | "x! on upgraded string"); |
1711 | is(pack("U0C0W2x!2", 0xfa, 0xe3), "\xfa\xe3", "x! on upgraded string"); |
1712 | is(pack("W2X", 0xfa, 0xe3), "\xfa", "X on downgraded string"); |
1713 | is(pack("U0C0W2X", 0xfa, 0xe3), "\xfa", "X on upgraded string"); |
1714 | is(pack("W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on downgraded string"); |
1715 | is(pack("U0C0W2X!2", 0xfa, 0xe3), "\xfa\xe3", "X! on upgraded string"); |
1716 | is(pack("W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", "X! on downgraded string"); |
28be1210 |
1717 | is(pack("U0C0W3X!2", 0xfa, 0xe3, 0xa6), "\xfa\xe3", |
f337b084 |
1718 | "X! on upgraded string"); |
1719 | |
1720 | # backward eating through a ( moves the group starting point backwards |
28be1210 |
1721 | is(pack("a*(Xa)", "abc", "q"), "abq", |
f337b084 |
1722 | "eating before strbeg moves it back"); |
28be1210 |
1723 | is(pack("a*(Xa)", "ab" . chr(512), "q"), "abq", |
f337b084 |
1724 | "eating before strbeg moves it back"); |
1725 | |
1726 | # Check marked_upgrade |
1727 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), |
1728 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6"); |
1729 | $up = "a"; |
1730 | utf8::upgrade($up); |
1731 | is(pack('W(W(Wa@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, $up, 0xa4, 0xa5, 0xa6), |
1732 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by a"); |
1733 | is(pack('W(W(WW@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, 256, 0xa4, 0xa5, 0xa6), |
28be1210 |
1734 | "\xa1\xa2\xa3\x{100}\x00\xa4\x00\xa5\x00\xa6", |
f337b084 |
1735 | "marked upgrade caused by W"); |
1736 | is(pack('W(W(WU0aC0@3W)@6W)@9W', 0xa1, 0xa2, 0xa3, "a", 0xa4, 0xa5, 0xa6), |
1737 | "\xa1\xa2\xa3a\x00\xa4\x00\xa5\x00\xa6", "marked upgrade caused by U0"); |
1738 | |
1739 | # a, A and Z |
1740 | $down = "\xa4\xa6\xa7"; |
1741 | $up = $down; |
1742 | utf8::upgrade($up); |
1743 | utf8::upgrade(my $high = "\xfeb"); |
1744 | |
1745 | for my $format ("a0", "A0", "Z0", "U0a0C0", "U0A0C0", "U0Z0C0") { |
28be1210 |
1746 | is(pack("a* $format a*", "ab", $down, "cd"), "abcd", |
f337b084 |
1747 | "$format format on plain string"); |
1748 | is(pack("a* $format a*", "ab", $up, "cd"), "abcd", |
1749 | "$format format on upgraded string"); |
28be1210 |
1750 | is(pack("a* $format a*", $high, $down, "cd"), "\xfebcd", |
f337b084 |
1751 | "$format format on plain string"); |
1752 | is(pack("a* $format a*", $high, $up, "cd"), "\xfebcd", |
1753 | "$format format on upgraded string"); |
1754 | my @down = unpack("a1 $format a*", "\xfeb"); |
1755 | is("@down", "\xfe b", "unpack $format"); |
1756 | my @up = unpack("a1 $format a*", $high); |
1757 | is("@up", "\xfe b", "unpack $format"); |
1758 | } |
1759 | is(pack("a1", $high), "\xfe"); |
1760 | is(pack("A1", $high), "\xfe"); |
1761 | is(pack("Z1", $high), "\x00"); |
1762 | is(pack("a2", $high), "\xfeb"); |
1763 | is(pack("A2", $high), "\xfeb"); |
1764 | is(pack("Z2", $high), "\xfe\x00"); |
1765 | is(pack("a5", $high), "\xfeb\x00\x00\x00"); |
1766 | is(pack("A5", $high), "\xfeb "); |
1767 | is(pack("Z5", $high), "\xfeb\x00\x00\x00"); |
1768 | is(pack("a*", $high), "\xfeb"); |
1769 | is(pack("A*", $high), "\xfeb"); |
1770 | is(pack("Z*", $high), "\xfeb\x00"); |
1771 | |
1772 | utf8::upgrade($high = "\xc3\xbeb"); |
1773 | is(pack("U0a2", $high), "\xfe"); |
1774 | is(pack("U0A2", $high), "\xfe"); |
1775 | is(pack("U0Z1", $high), "\x00"); |
1776 | is(pack("U0a3", $high), "\xfeb"); |
1777 | is(pack("U0A3", $high), "\xfeb"); |
1778 | is(pack("U0Z3", $high), "\xfe\x00"); |
1779 | is(pack("U0a6", $high), "\xfeb\x00\x00\x00"); |
1780 | is(pack("U0A6", $high), "\xfeb "); |
1781 | is(pack("U0Z6", $high), "\xfeb\x00\x00\x00"); |
1782 | is(pack("U0a*", $high), "\xfeb"); |
1783 | is(pack("U0A*", $high), "\xfeb"); |
1784 | is(pack("U0Z*", $high), "\xfeb\x00"); |
1785 | } |
246f24af |
1786 | { |
1787 | # pack / |
1788 | my @array = 1..14; |
1789 | my @out = unpack("N/S", pack("N/S", @array) . "abcd"); |
1790 | is("@out", "@array", "pack N/S works"); |
1791 | @out = unpack("N/S*", pack("N/S*", @array) . "abcd"); |
1792 | is("@out", "@array", "pack N/S* works"); |
1793 | @out = unpack("N/S*", pack("N/S14", @array) . "abcd"); |
1794 | is("@out", "@array", "pack N/S14 works"); |
1795 | @out = unpack("N/S*", pack("N/S15", @array) . "abcd"); |
1796 | is("@out", "@array", "pack N/S15 works"); |
1797 | @out = unpack("N/S*", pack("N/S13", @array) . "abcd"); |
1798 | is("@out", "@array[0..12]", "pack N/S13 works"); |
1799 | @out = unpack("N/S*", pack("N/S0", @array) . "abcd"); |
1800 | is("@out", "", "pack N/S0 works"); |
1801 | is(pack("Z*/a0", "abc"), "0\0", "pack Z*/a0 makes a short string"); |
1802 | is(pack("Z*/Z0", "abc"), "0\0", "pack Z*/Z0 makes a short string"); |
1803 | is(pack("Z*/a3", "abc"), "3\0abc", "pack Z*/a3 makes a full string"); |
1804 | is(pack("Z*/Z3", "abc"), "3\0ab\0", "pack Z*/Z3 makes a short string"); |
1805 | is(pack("Z*/a5", "abc"), "5\0abc\0\0", "pack Z*/a5 makes a long string"); |
1806 | is(pack("Z*/Z5", "abc"), "5\0abc\0\0", "pack Z*/Z5 makes a long string"); |
1807 | is(pack("Z*/Z"), "1\0\0", "pack Z*/Z makes an extended string"); |
1808 | is(pack("Z*/Z", ""), "1\0\0", "pack Z*/Z makes an extended string"); |
1809 | is(pack("Z*/a", ""), "0\0", "pack Z*/a makes an extended string"); |
1810 | } |
18bdf90a |
1811 | { |
1812 | # unpack("A*", $unicode) strips general unicode spaces |
28be1210 |
1813 | is(unpack("A*", "ab \n\xa0 \0"), "ab \n\xa0", |
18bdf90a |
1814 | 'normal A* strip leaves \xa0'); |
28be1210 |
1815 | is(unpack("U0C0A*", "ab \n\xa0 \0"), "ab \n\xa0", |
18bdf90a |
1816 | 'normal A* strip leaves \xa0 even if it got upgraded for technical reasons'); |
1817 | is(unpack("A*", pack("a*(U0U)a*", "ab \n", 0xa0, " \0")), "ab", |
1818 | 'upgraded strings A* removes \xa0'); |
1819 | is(unpack("A*", pack("a*(U0UU)a*", "ab \n", 0xa0, 0x1680, " \0")), "ab", |
1820 | 'upgraded strings A* removes all unicode whitespace'); |
1821 | is(unpack("A5", pack("a*(U0U)a*", "ab \n", 0x1680, "def", "ab")), "ab", |
1822 | 'upgraded strings A5 removes all unicode whitespace'); |
1823 | is(unpack("A*", pack("U", 0x1680)), "", |
1824 | 'upgraded strings A* with nothing left'); |
1825 | } |
28be1210 |
1826 | { |
1827 | # Testing unpack . and .! |
1828 | is(unpack(".", "ABCD"), 0, "offset at start of string is 0"); |
1829 | is(unpack(".", ""), 0, "offset at start of empty string is 0"); |
1830 | is(unpack("x3.", "ABCDEF"), 3, "simple offset works"); |
1831 | is(unpack("x3.", "ABC"), 3, "simple offset at end of string works"); |
1832 | is(unpack("x3.0", "ABC"), 0, "self offset is 0"); |
1833 | is(unpack("x3(x2.)", "ABCDEF"), 2, "offset is relative to inner group"); |
1834 | is(unpack("x3(X2.)", "ABCDEF"), -2, |
1835 | "negative offset relative to inner group"); |
1836 | is(unpack("x3(X2.2)", "ABCDEF"), 1, "offset is relative to inner group"); |
1837 | is(unpack("x3(x2.0)", "ABCDEF"), 0, "self offset in group is still 0"); |
1838 | is(unpack("x3(x2.2)", "ABCDEF"), 5, "offset counts groups"); |
1839 | is(unpack("x3(x2.*)", "ABCDEF"), 5, "star offset is relative to start"); |
1840 | |
1841 | my $high = chr(8188) x 6; |
1842 | is(unpack("x3(x2.)", $high), 2, "utf8 offset is relative to inner group"); |
1843 | is(unpack("x3(X2.)", $high), -2, |
1844 | "utf8 negative offset relative to inner group"); |
1845 | is(unpack("x3(X2.2)", $high), 1, "utf8 offset counts groups"); |
1846 | is(unpack("x3(x2.0)", $high), 0, "utf8 self offset in group is still 0"); |
1847 | is(unpack("x3(x2.2)", $high), 5, "utf8 offset counts groups"); |
1848 | is(unpack("x3(x2.*)", $high), 5, "utf8 star offset is relative to start"); |
1849 | |
1850 | is(unpack("U0x3(x2.)", $high), 2, |
1851 | "U0 mode utf8 offset is relative to inner group"); |
1852 | is(unpack("U0x3(X2.)", $high), -2, |
1853 | "U0 mode utf8 negative offset relative to inner group"); |
1854 | is(unpack("U0x3(X2.2)", $high), 1, |
1855 | "U0 mode utf8 offset counts groups"); |
1856 | is(unpack("U0x3(x2.0)", $high), 0, |
1857 | "U0 mode utf8 self offset in group is still 0"); |
1858 | is(unpack("U0x3(x2.2)", $high), 5, |
1859 | "U0 mode utf8 offset counts groups"); |
1860 | is(unpack("U0x3(x2.*)", $high), 5, |
1861 | "U0 mode utf8 star offset is relative to start"); |
1862 | |
1863 | is(unpack("x3(x2.!)", $high), 2*3, |
1864 | "utf8 offset is relative to inner group"); |
1865 | is(unpack("x3(X2.!)", $high), -2*3, |
1866 | "utf8 negative offset relative to inner group"); |
1867 | is(unpack("x3(X2.!2)", $high), 1*3, |
1868 | "utf8 offset counts groups"); |
1869 | is(unpack("x3(x2.!0)", $high), 0, |
1870 | "utf8 self offset in group is still 0"); |
1871 | is(unpack("x3(x2.!2)", $high), 5*3, |
1872 | "utf8 offset counts groups"); |
1873 | is(unpack("x3(x2.!*)", $high), 5*3, |
1874 | "utf8 star offset is relative to start"); |
1875 | |
1876 | is(unpack("U0x3(x2.!)", $high), 2, |
1877 | "U0 mode utf8 offset is relative to inner group"); |
1878 | is(unpack("U0x3(X2.!)", $high), -2, |
1879 | "U0 mode utf8 negative offset relative to inner group"); |
1880 | is(unpack("U0x3(X2.!2)", $high), 1, |
1881 | "U0 mode utf8 offset counts groups"); |
1882 | is(unpack("U0x3(x2.!0)", $high), 0, |
1883 | "U0 mode utf8 self offset in group is still 0"); |
1884 | is(unpack("U0x3(x2.!2)", $high), 5, |
1885 | "U0 mode utf8 offset counts groups"); |
1886 | is(unpack("U0x3(x2.!*)", $high), 5, |
1887 | "U0 mode utf8 star offset is relative to start"); |
1888 | } |
1889 | { |
1890 | # Testing pack . and .! |
1891 | is(pack("(a)5 .", 1..5, 3), "123", ". relative to string start, shorten"); |
1892 | eval { () = pack("(a)5 .", 1..5, -3) }; |
1893 | like($@, qr{'\.' outside of string in pack}, "Proper error message"); |
1894 | is(pack("(a)5 .", 1..5, 8), "12345\x00\x00\x00", |
1895 | ". relative to string start, extend"); |
1896 | is(pack("(a)5 .", 1..5, 5), "12345", ". relative to string start, keep"); |
1897 | |
1898 | is(pack("(a)5 .0", 1..5, -3), "12", |
1899 | ". relative to string current, shorten"); |
1900 | is(pack("(a)5 .0", 1..5, 2), "12345\x00\x00", |
1901 | ". relative to string current, extend"); |
1902 | is(pack("(a)5 .0", 1..5, 0), "12345", |
1903 | ". relative to string current, keep"); |
1904 | |
1905 | is(pack("(a)5 (.)", 1..5, -3), "12", |
1906 | ". relative to group, shorten"); |
1907 | is(pack("(a)5 (.)", 1..5, 2), "12345\x00\x00", |
1908 | ". relative to group, extend"); |
1909 | is(pack("(a)5 (.)", 1..5, 0), "12345", |
1910 | ". relative to group, keep"); |
1911 | |
1912 | is(pack("(a)3 ((a)2 .)", 1..5, -2), "1", |
1913 | ". relative to group, shorten"); |
1914 | is(pack("(a)3 ((a)2 .)", 1..5, 2), "12345", |
1915 | ". relative to group, keep"); |
1916 | is(pack("(a)3 ((a)2 .)", 1..5, 4), "12345\x00\x00", |
1917 | ". relative to group, extend"); |
1918 | |
1919 | is(pack("(a)3 ((a)2 .2)", 1..5, 2), "12", |
1920 | ". relative to counted group, shorten"); |
1921 | is(pack("(a)3 ((a)2 .2)", 1..5, 7), "12345\x00\x00", |
1922 | ". relative to counted group, extend"); |
1923 | is(pack("(a)3 ((a)2 .2)", 1..5, 5), "12345", |
1924 | ". relative to counted group, keep"); |
1925 | |
1926 | is(pack("(a)3 ((a)2 .*)", 1..5, 2), "12", |
1927 | ". relative to start, shorten"); |
1928 | is(pack("(a)3 ((a)2 .*)", 1..5, 7), "12345\x00\x00", |
1929 | ". relative to start, extend"); |
1930 | is(pack("(a)3 ((a)2 .*)", 1..5, 5), "12345", |
1931 | ". relative to start, keep"); |
1932 | |
1933 | is(pack('(a)5 (. @2 a)', 1..5, -3, "a"), "12\x00\x00a", |
1934 | ". based shrink properly updates group starts"); |
1935 | |
1936 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, -2), "\x{301}", |
1937 | "utf8 . relative to group, shorten"); |
1938 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, 2), |
1939 | "\x{301}\x{302}\x{303}\x{304}\x{305}", |
1940 | "utf8 . relative to group, keep"); |
1941 | is(pack("(W)3 ((W)2 .)", 0x301..0x305, 4), |
1942 | "\x{301}\x{302}\x{303}\x{304}\x{305}\x00\x00", |
1943 | "utf8 . relative to group, extend"); |
1944 | |
1945 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, -2), "\x{301}\x{302}", |
1946 | "utf8 . relative to group, shorten"); |
1947 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, 4), |
1948 | "\x{301}\x{302}\x{303}\x{304}\x{305}", |
1949 | "utf8 . relative to group, keep"); |
1950 | is(pack("(W)3 ((W)2 .!)", 0x301..0x305, 6), |
1951 | "\x{301}\x{302}\x{303}\x{304}\x{305}\x00\x00", |
1952 | "utf8 . relative to group, extend"); |
1953 | |
1954 | is(pack('(W)5 (. @2 a)', 0x301..0x305, -3, "a"), |
1955 | "\x{301}\x{302}\x00\x00a", |
1956 | "utf8 . based shrink properly updates group starts"); |
1957 | } |
1958 | { |
1959 | # Testing @! |
1960 | is(pack('a* @3', "abcde"), "abc", 'Test basic @'); |
1961 | is(pack('a* @!3', "abcde"), "abc", 'Test basic @!'); |
1962 | is(pack('a* @2', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{301}\x{302}", |
1963 | 'Test basic utf8 @'); |
1964 | is(pack('a* @!2', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{301}", |
1965 | 'Test basic utf8 @!'); |
1966 | |
1967 | is(unpack('@4 a*', "abcde"), "e", 'Test basic @'); |
1968 | is(unpack('@!4 a*', "abcde"), "e", 'Test basic @!'); |
1969 | is(unpack('@4 a*', "\x{301}\x{302}\x{303}\x{304}\x{305}"), "\x{305}", |
1970 | 'Test basic utf8 @'); |
1971 | is(unpack('@!4 a*', "\x{301}\x{302}\x{303}\x{304}\x{305}"), |
1972 | "\x{303}\x{304}\x{305}", 'Test basic utf8 @!'); |
1973 | } |