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 | |
66c611c5 |
9 | plan tests => 13679; |
0b568b5f |
10 | |
fa8ec7c1 |
11 | use strict; |
12 | use warnings; |
b23b8711 |
13 | use Config; |
14 | |
fa8ec7c1 |
15 | my $Is_EBCDIC = (defined $Config{ebcdic} && $Config{ebcdic} eq 'define'); |
0b568b5f |
16 | my $Perl = which_perl(); |
1109a392 |
17 | my @valid_errors = (qr/^Invalid type '\w'/); |
18 | |
19 | my $ByteOrder = 'unknown'; |
20 | my $maybe_not_avail = '(?:hto[bl]e|[bl]etoh)'; |
21 | if ($Config{byteorder} =~ /^1234(?:5678)?$/) { |
22 | $ByteOrder = 'little'; |
23 | $maybe_not_avail = '(?:htobe|betoh)'; |
24 | } |
25 | elsif ($Config{byteorder} =~ /^(?:8765)?4321$/) { |
26 | $ByteOrder = 'big'; |
27 | $maybe_not_avail = '(?:htole|letoh)'; |
28 | } |
29 | else { |
30 | push @valid_errors, qr/^Can't (?:un)?pack (?:big|little)-endian .*? on this platform/; |
31 | } |
32 | |
33 | for my $size ( 16, 32, 64 ) { |
34 | if (exists $Config{"u${size}size"} and $Config{"u${size}size"} != ($size >> 3)) { |
35 | push @valid_errors, qr/^Perl_my_$maybe_not_avail$size\(\) not available/; |
36 | } |
37 | } |
38 | |
39 | my $IsTwosComplement = pack('i', -1) eq "\xFF" x $Config{intsize}; |
40 | print "# \$IsTwosComplement = $IsTwosComplement\n"; |
41 | |
42 | sub is_valid_error |
43 | { |
44 | my $err = shift; |
45 | |
46 | for my $e (@valid_errors) { |
47 | $err =~ $e and return 1; |
48 | } |
49 | |
50 | return 0; |
51 | } |
c274e827 |
52 | |
b85d93de |
53 | sub encode_list { |
9e17a6b8 |
54 | my @result = map {_qq($_)} @_; |
b85d93de |
55 | if (@result == 1) { |
56 | return @result; |
57 | } |
58 | return '(' . join (', ', @result) . ')'; |
59 | } |
60 | |
a1a0e61e |
61 | |
b85d93de |
62 | sub list_eq ($$) { |
63 | my ($l, $r) = @_; |
c8f824eb |
64 | return 0 unless @$l == @$r; |
b85d93de |
65 | for my $i (0..$#$l) { |
66 | if (defined $l->[$i]) { |
c8f824eb |
67 | return 0 unless defined ($r->[$i]) && $l->[$i] eq $r->[$i]; |
b85d93de |
68 | } else { |
c8f824eb |
69 | return 0 if defined $r->[$i] |
b85d93de |
70 | } |
71 | } |
72 | return 1; |
73 | } |
74 | |
75 | ############################################################################## |
76 | # |
77 | # Here starteth the tests |
78 | # |
79 | |
fa8ec7c1 |
80 | { |
0b568b5f |
81 | my $format = "c2 x5 C C x s d i l a6"; |
82 | # Need the expression in here to force ary[5] to be numeric. This avoids |
83 | # test2 failing because ary2 goes str->numeric->str and ary doesn't. |
84 | my @ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456, |
85 | "abcdef"); |
86 | my $foo = pack($format,@ary); |
87 | my @ary2 = unpack($format,$foo); |
88 | |
89 | is($#ary, $#ary2); |
90 | |
91 | my $out1=join(':',@ary); |
92 | my $out2=join(':',@ary2); |
93 | # Using long double NVs may introduce greater accuracy than wanted. |
94 | $out1 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; |
95 | $out2 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; |
96 | is($out1, $out2); |
97 | |
98 | like($foo, qr/def/); |
fa8ec7c1 |
99 | } |
79072805 |
100 | # How about counting bits? |
101 | |
fa8ec7c1 |
102 | { |
0b568b5f |
103 | my $x; |
104 | is( ($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")), 16 ); |
79072805 |
105 | |
0b568b5f |
106 | is( ($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")), 12 ); |
79072805 |
107 | |
0b568b5f |
108 | is( ($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")), 9 ); |
fa8ec7c1 |
109 | } |
79072805 |
110 | |
fa8ec7c1 |
111 | { |
0b568b5f |
112 | my $sum = 129; # ASCII |
113 | $sum = 103 if $Is_EBCDIC; |
9d116dd7 |
114 | |
0b568b5f |
115 | my $x; |
116 | is( ($x = unpack("%32B*", "Now is the time for all good blurfl")), $sum ); |
79072805 |
117 | |
0b568b5f |
118 | my $foo; |
119 | open(BIN, $Perl) || die "Can't open $Perl: $!\n"; |
120 | sysread BIN, $foo, 8192; |
121 | close BIN; |
79072805 |
122 | |
0b568b5f |
123 | $sum = unpack("%32b*", $foo); |
124 | my $longway = unpack("b*", $foo); |
125 | is( $sum, $longway =~ tr/1/1/ ); |
fa8ec7c1 |
126 | } |
73a1c01a |
127 | |
fa8ec7c1 |
128 | { |
129 | my $x; |
0b568b5f |
130 | is( ($x = unpack("I",pack("I", 0xFFFFFFFF))), 0xFFFFFFFF ); |
fa8ec7c1 |
131 | } |
def98dd4 |
132 | |
fa8ec7c1 |
133 | { |
0b568b5f |
134 | # check 'w' |
135 | my @x = (5,130,256,560,32000,3097152,268435455,1073741844, 2**33, |
136 | '4503599627365785','23728385234614992549757750638446'); |
137 | my $x = pack('w*', @x); |
138 | my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f8480808014A0808'. |
139 | '0800087ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; |
140 | |
141 | is($x, $y); |
142 | |
143 | my @y = unpack('w*', $y); |
144 | my $a; |
145 | while ($a = pop @x) { |
146 | my $b = pop @y; |
147 | is($a, $b); |
148 | } |
def98dd4 |
149 | |
0b568b5f |
150 | @y = unpack('w2', $x); |
def98dd4 |
151 | |
0b568b5f |
152 | is(scalar(@y), 2); |
153 | is($y[1], 130); |
a6c48a57 |
154 | $x = pack('w*', 5000000000); $y = ''; |
155 | eval { |
156 | use Math::BigInt; |
157 | $y = pack('w*', Math::BigInt::->new(5000000000)); |
158 | }; |
159 | is($x, $y); |
196b62db |
160 | |
161 | $x = pack 'w', ~0; |
162 | $y = pack 'w', (~0).''; |
163 | is($x, $y); |
164 | is(unpack ('w',$x), ~0); |
165 | is(unpack ('w',$y), ~0); |
166 | |
167 | $x = pack 'w', ~0 - 1; |
168 | $y = pack 'w', (~0) - 2; |
169 | |
170 | if (~0 - 1 == (~0) - 2) { |
171 | is($x, $y, "NV arithmetic"); |
172 | } else { |
173 | isnt($x, $y, "IV/NV arithmetic"); |
174 | } |
175 | cmp_ok(unpack ('w',$x), '==', ~0 - 1); |
176 | cmp_ok(unpack ('w',$y), '==', ~0 - 2); |
203d3f29 |
177 | |
178 | # These should spot that pack 'w' is using NV, not double, on platforms |
179 | # where IVs are smaller than doubles, and harmlessly pass elsewhere. |
180 | # (tests for change 16861) |
181 | my $x0 = 2**54+3; |
182 | my $y0 = 2**54-2; |
183 | |
184 | $x = pack 'w', $x0; |
185 | $y = pack 'w', $y0; |
186 | |
187 | if ($x0 == $y0) { |
188 | is($x, $y, "NV arithmetic"); |
189 | } else { |
190 | isnt($x, $y, "IV/NV arithmetic"); |
191 | } |
192 | cmp_ok(unpack ('w',$x), '==', $x0); |
193 | cmp_ok(unpack ('w',$y), '==', $y0); |
fa8ec7c1 |
194 | } |
def98dd4 |
195 | |
0b568b5f |
196 | |
fa8ec7c1 |
197 | { |
40837afc |
198 | print "# test exceptions\n"; |
fa8ec7c1 |
199 | my $x; |
200 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
0b568b5f |
201 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
202 | |
fa8ec7c1 |
203 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
204 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
205 | |
fa8ec7c1 |
206 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
207 | like($@, qr/^Unterminated compressed integer/); |
0258719b |
208 | |
209 | eval { $x = pack 'w', -1 }; |
210 | like ($@, qr/^Cannot compress negative numbers/); |
211 | |
212 | eval { $x = pack 'w', '1'x(1 + length ~0) . 'e0' }; |
213 | like ($@, qr/^Can only compress unsigned integers/); |
214 | |
1109a392 |
215 | for my $mod (qw( ! < > )) { |
216 | eval { $x = pack "a$mod", 42 }; |
66c611c5 |
217 | like ($@, qr/^'$mod' allowed only after types \S+ in pack/); |
1109a392 |
218 | |
219 | eval { $x = unpack "a$mod", 'x'x8 }; |
66c611c5 |
220 | like ($@, qr/^'$mod' allowed only after types \S+ in unpack/); |
1109a392 |
221 | } |
222 | |
223 | for my $mod (qw( <> >< !<> !>< <!> >!< <>! ><! )) { |
224 | eval { $x = pack "sI${mod}s", 42, 47, 11 }; |
225 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in pack/); |
226 | |
227 | eval { $x = unpack "sI${mod}s", 'x'x16 }; |
228 | like ($@, qr/^Can't use both '<' and '>' after type 'I' in unpack/); |
229 | } |
230 | |
0258719b |
231 | SKIP: { |
232 | # Is this a stupid thing to do on VMS, VOS and other unusual platforms? |
71f93cb9 |
233 | |
b987f19e |
234 | skip("-- the IEEE infinity model is unavailable in this configuration.", 1) |
71f93cb9 |
235 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
236 | |
b987f19e |
237 | skip("-- $^O has serious fp indigestion on w-packed infinities", 1) |
5688dfbf |
238 | if ( |
239 | ($^O eq 'mpeix') |
240 | || |
241 | ($^O eq 'ultrix') |
242 | || |
cd512f8e |
243 | ($^O =~ /^svr4/ && -f "/etc/issue" && -f "/etc/.relid") # NCR MP-RAS |
5688dfbf |
244 | ); |
8b571b32 |
245 | |
1109a392 |
246 | my $inf = eval '2**1000000'; |
0258719b |
247 | |
b987f19e |
248 | skip("Couldn't generate infinity - got error '$@'", 1) |
71b080b8 |
249 | unless defined $inf and $inf == $inf / 2 and $inf + 1 == $inf; |
0258719b |
250 | |
46ff39aa |
251 | local our $TODO; |
252 | $TODO = "VOS needs a fix for posix-1022 to pass this test." |
253 | if ($^O eq 'vos'); |
254 | |
0258719b |
255 | eval { $x = pack 'w', $inf }; |
46ff39aa |
256 | like ($@, qr/^Cannot compress integer/, "Cannot compress integer"); |
0258719b |
257 | } |
258 | |
259 | SKIP: { |
71f93cb9 |
260 | |
b987f19e |
261 | skip("-- the full range of an IEEE double may not be available in this configuration.", 3) |
71f93cb9 |
262 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
263 | |
b987f19e |
264 | skip("-- $^O does not like 2**1023", 3) |
ad415dae |
265 | if (($^O eq 'ultrix')); |
266 | |
0258719b |
267 | # This should be about the biggest thing possible on an IEEE double |
268 | my $big = eval '2**1023'; |
269 | |
b987f19e |
270 | skip("Couldn't generate 2**1023 - got error '$@'", 3) |
0258719b |
271 | unless defined $big and $big != $big / 2; |
272 | |
273 | eval { $x = pack 'w', $big }; |
274 | is ($@, '', "Should be able to pack 'w', $big # 2**1023"); |
275 | |
276 | my $y = eval {unpack 'w', $x}; |
277 | is ($@, '', |
278 | "Should be able to unpack 'w' the result of pack 'w', $big # 2**1023"); |
279 | |
280 | # I'm getting about 1e-16 on FreeBSD |
281 | my $quotient = int (100 * ($y - $big) / $big); |
282 | ok($quotient < 2 && $quotient > -2, |
1109a392 |
283 | "Round trip pack, unpack 'w' of $big is within 1% ($quotient%)"); |
0258719b |
284 | } |
285 | |
fa8ec7c1 |
286 | } |
def98dd4 |
287 | |
40837afc |
288 | print "# test the 'p' template\n"; |
84902520 |
289 | |
290 | # literals |
0b568b5f |
291 | is(unpack("p",pack("p","foo")), "foo"); |
1109a392 |
292 | is(unpack("p<",pack("p<","foo")), "foo"); |
293 | is(unpack("p>",pack("p>","foo")), "foo"); |
84902520 |
294 | |
295 | # scalars |
0b568b5f |
296 | is(unpack("p",pack("p",239)), 239); |
1109a392 |
297 | is(unpack("p<",pack("p<",239)), 239); |
298 | is(unpack("p>",pack("p>",239)), 239); |
84902520 |
299 | |
300 | # temps |
301 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
302 | { |
9f1b1f2d |
303 | use warnings; |
0b568b5f |
304 | my $warning; |
84902520 |
305 | local $SIG{__WARN__} = sub { |
0b568b5f |
306 | $warning = $_[0]; |
84902520 |
307 | }; |
308 | my $junk = pack("p", &foo); |
0b568b5f |
309 | |
310 | like($warning, qr/temporary val/); |
84902520 |
311 | } |
312 | |
313 | # undef should give null pointer |
1109a392 |
314 | like(pack("p", undef), qr/^\0+$/); |
315 | like(pack("p<", undef), qr/^\0+$/); |
316 | like(pack("p>", undef), qr/^\0+$/); |
84902520 |
317 | |
20408e3c |
318 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
319 | # 4294967295 instead of -1) |
320 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
321 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
322 | |
1109a392 |
323 | print "# test the pack lengths of s S i I l L n N v V + modifiers\n"; |
324 | |
325 | my @lengths = ( |
326 | 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), |
327 | 's!' => $Config{shortsize}, 'S!' => $Config{shortsize}, |
328 | 'i!' => $Config{intsize}, 'I!' => $Config{intsize}, |
329 | 'l!' => $Config{longsize}, 'L!' => $Config{longsize}, |
330 | ); |
331 | |
332 | while (my ($base, $expect) = splice @lengths, 0, 2) { |
333 | my @formats = ($base); |
334 | $base =~ /^[nv]/i or push @formats, "$base>", "$base<"; |
335 | for my $format (@formats) { |
336 | my $len = length(pack($format, 0)); |
337 | if ($expect > 0) { |
338 | is($expect, $len, "format '$format'"); |
339 | } else { |
340 | $expect = -$expect; |
341 | ok ($len >= $expect, "format '$format'") || |
342 | print "# format '$format' has length $len, expected >= $expect\n"; |
343 | } |
fa8ec7c1 |
344 | } |
345 | } |
d4217c7e |
346 | |
d4217c7e |
347 | |
40837afc |
348 | print "# test unpack-pack lengths\n"; |
349 | |
0b568b5f |
350 | my @templates = qw(c C i I s S l L n N v V f d q Q); |
d4217c7e |
351 | |
1109a392 |
352 | foreach my $base (@templates) { |
353 | my @tmpl = ($base); |
354 | $base =~ /^[cnv]/i or push @tmpl, "$base>", "$base<"; |
355 | foreach my $t (@tmpl) { |
356 | SKIP: { |
357 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
0b568b5f |
358 | |
1109a392 |
359 | skip "cannot pack '$t' on this perl", 4 |
360 | if is_valid_error($@); |
3020ec7a |
361 | |
1109a392 |
362 | is( $@, '' ); |
363 | is(scalar @t, 2); |
3020ec7a |
364 | |
0b568b5f |
365 | is($t[0], 12); |
366 | is($t[1], 34); |
367 | } |
0b568b5f |
368 | } |
d4217c7e |
369 | } |
9d116dd7 |
370 | |
fa8ec7c1 |
371 | { |
0b568b5f |
372 | # uuencode/decode |
9d116dd7 |
373 | |
0b568b5f |
374 | # Note that first uuencoding known 'text' data and then checking the |
375 | # binary values of the uuencoded version would not be portable between |
376 | # character sets. Uuencoding is meant for encoding binary data, not |
377 | # text data. |
c4d5f83a |
378 | |
0b568b5f |
379 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
380 | |
0b568b5f |
381 | # just to be anal, we do some random tr/`/ / |
382 | my $uu = <<'EOUU'; |
ba1ac976 |
383 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
384 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
385 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
386 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
387 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
388 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
389 | EOUU |
390 | |
0b568b5f |
391 | $_ = $uu; |
392 | tr/ /`/; |
9d116dd7 |
393 | |
0b568b5f |
394 | is(pack('u', $in), $_); |
fa8ec7c1 |
395 | |
0b568b5f |
396 | is(unpack('u', $uu), $in); |
9d116dd7 |
397 | |
0b568b5f |
398 | $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"; |
399 | $uu = <<'EOUU'; |
eddc390b |
400 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
401 | &8%P:```` |
402 | EOUU |
403 | |
0b568b5f |
404 | is(unpack('u', $uu), $in); |
eddc390b |
405 | |
0b568b5f |
406 | # This is identical to the above except that backquotes have been |
407 | # changed to spaces |
eddc390b |
408 | |
0b568b5f |
409 | $uu = <<'EOUU'; |
eddc390b |
410 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
411 | &8%P: |
eddc390b |
412 | EOUU |
413 | |
0b568b5f |
414 | # ' # Grr |
415 | is(unpack('u', $uu), $in); |
ef54e1a4 |
416 | |
d99ad34e |
417 | } |
726ea183 |
418 | |
0b568b5f |
419 | # test the ascii template types (A, a, Z) |
726ea183 |
420 | |
fa8ec7c1 |
421 | foreach ( |
0b568b5f |
422 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
423 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
424 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
425 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
426 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
427 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
428 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
429 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
430 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
431 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
432 | ['p', 'Z3', "foo", "fo\0"], |
433 | ['u', 'Z*', "foo\0bar \0", "foo"], |
434 | ['u', 'Z8', "foo\0bar \0", "foo"], |
435 | ) |
436 | { |
437 | my ($what, $template, $in, $out) = @$_; |
438 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
439 | unless (is($got, $out)) { |
0b568b5f |
440 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
441 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
442 | ' not '._qq($got)."\n"; |
0b568b5f |
443 | } |
d99ad34e |
444 | } |
726ea183 |
445 | |
40837afc |
446 | print "# packing native shorts/ints/longs\n"; |
726ea183 |
447 | |
0b568b5f |
448 | is(length(pack("s!", 0)), $Config{shortsize}); |
449 | is(length(pack("i!", 0)), $Config{intsize}); |
450 | is(length(pack("l!", 0)), $Config{longsize}); |
451 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
452 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
453 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
454 | |
fa8ec7c1 |
455 | sub numbers { |
1109a392 |
456 | my $base = shift; |
457 | my @formats = ($base); |
458 | $base =~ /^[silqjfdp]/i and push @formats, "$base>", "$base<"; |
459 | for my $format (@formats) { |
460 | numbers_with_total ($format, undef, @_); |
461 | } |
d99ad34e |
462 | } |
726ea183 |
463 | |
fa8ec7c1 |
464 | sub numbers_with_total { |
465 | my $format = shift; |
466 | my $total = shift; |
467 | if (!defined $total) { |
468 | foreach (@_) { |
469 | $total += $_; |
470 | } |
471 | } |
40837afc |
472 | print "# numbers test for $format\n"; |
fa8ec7c1 |
473 | foreach (@_) { |
0b568b5f |
474 | SKIP: { |
475 | my $out = eval {unpack($format, pack($format, $_))}; |
1109a392 |
476 | skip "cannot pack '$format' on this perl", 2 |
477 | if is_valid_error($@); |
0b568b5f |
478 | |
479 | is($@, ''); |
480 | is($out, $_); |
fa8ec7c1 |
481 | } |
fa8ec7c1 |
482 | } |
726ea183 |
483 | |
fa8ec7c1 |
484 | my $skip_if_longer_than = ~0; # "Infinity" |
485 | if (~0 - 1 == ~0) { |
486 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
487 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
488 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
489 | # is using UV maths, and we've only got NVs. |
53133ed1 |
490 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
fa8ec7c1 |
491 | } |
726ea183 |
492 | |
fa8ec7c1 |
493 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
494 | SKIP: { |
495 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
496 | skip "cannot pack '$format' on this perl", 3 |
1109a392 |
497 | if is_valid_error($@); |
0b568b5f |
498 | |
499 | is($@, ''); |
500 | ok(defined $sum); |
501 | |
502 | my $len = $_; # Copy, so that we can reassign '' |
503 | $len = 16 unless length $len; |
504 | |
505 | SKIP: { |
506 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
507 | if $len > $skip_if_longer_than; |
508 | |
509 | # Our problem with testing this portably is that the checksum code in |
510 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
511 | # arithmetic in unsigned ints, which perl has no operators to do. |
512 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
513 | # fine with ANSI, but not with most people's assumptions. |
514 | # This is why we need to supply the totals for 'Q' as there's no way in |
515 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
516 | # ** returns NVs; make sure it's IV. |
517 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
518 | my $max_p1 = $max + 1; |
519 | my ($max_is_integer, $max_p1_is_integer); |
520 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
521 | $max_is_integer = 1 if $max - 1 < ~0; |
522 | |
523 | my $calc_sum; |
524 | if (ref $total) { |
525 | $calc_sum = &$total($len); |
526 | } else { |
527 | $calc_sum = $total; |
528 | # Shift into range by some multiple of the total |
53f3fd80 |
529 | my $mult = $max_p1 ? int ($total / $max_p1) : undef; |
0b568b5f |
530 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
531 | $calc_sum = $total - $mult; |
532 | $calc_sum -= $mult * $max; |
533 | if ($calc_sum < 0) { |
534 | $calc_sum += 1; |
535 | $calc_sum += $max; |
536 | } |
537 | } |
538 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
539 | # we're into floating point (either by getting out of the range of |
540 | # UV arithmetic, or because we're doing a floating point checksum) |
541 | # and our calculation of the checksum has become rounded up to |
542 | # max_checksum + 1 |
543 | $calc_sum = 0; |
544 | } |
545 | |
0dccb3d1 |
546 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
547 | ok ("unpack '%$_$format' gave $sum"); |
0b568b5f |
548 | } else { |
549 | my $delta = 1.000001; |
550 | if ($format =~ tr /dDfF// |
551 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
552 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
553 | } else { |
554 | my $text = ref $total ? &$total($len) : $total; |
555 | fail; |
556 | print "# For list (" . join (", ", @_) . ") (total $text)" |
557 | . " packed with $format unpack '%$_$format' gave $sum," |
558 | . " expected $calc_sum\n"; |
559 | } |
560 | } |
fa8ec7c1 |
561 | } |
0b568b5f |
562 | } |
2e821511 |
563 | } |
564 | } |
565 | |
fa8ec7c1 |
566 | numbers ('c', -128, -1, 0, 1, 127); |
567 | numbers ('C', 0, 1, 127, 128, 255); |
568 | numbers ('s', -32768, -1, 0, 1, 32767); |
569 | numbers ('S', 0, 1, 32767, 32768, 65535); |
570 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
571 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
572 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
573 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
574 | numbers ('s!', -32768, -1, 0, 1, 32767); |
575 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
576 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
577 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
578 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
579 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
580 | numbers ('n', 0, 1, 32767, 32768, 65535); |
581 | numbers ('v', 0, 1, 32767, 32768, 65535); |
582 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
583 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
068bd2e7 |
584 | numbers ('n!', -32768, -1, 0, 1, 32767); |
585 | numbers ('v!', -32768, -1, 0, 1, 32767); |
586 | numbers ('N!', -2147483648, -1, 0, 1, 2147483647); |
587 | numbers ('V!', -2147483648, -1, 0, 1, 2147483647); |
fa8ec7c1 |
588 | # All these should have exact binary representations: |
589 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
590 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
591 | ## These don't, but 'd' is NV. XXX wrong, it's double |
592 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
593 | |
594 | numbers_with_total ('q', -1, |
595 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
596 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
597 | # the epxected checksum on any system including those where NVs can preserve |
598 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
599 | # or where rounding is down not up on binary conversion (crays) |
600 | numbers_with_total ('Q', sub { |
601 | my $len = shift; |
602 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
603 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
604 | return 0 if $total == $total - 1; # Overflowed integers |
605 | return $total; # NVs still accurate to nearest integer |
606 | }, |
fa8ec7c1 |
607 | 0, 1,9223372036854775807, 9223372036854775808, |
608 | 18446744073709551615); |
609 | |
40837afc |
610 | print "# pack nvNV byteorders\n"; |
fa8ec7c1 |
611 | |
0b568b5f |
612 | is(pack("n", 0xdead), "\xde\xad"); |
613 | is(pack("v", 0xdead), "\xad\xde"); |
614 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
615 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
616 | |
068bd2e7 |
617 | is(pack("n!", 0xdead), "\xde\xad"); |
618 | is(pack("v!", 0xdead), "\xad\xde"); |
619 | is(pack("N!", 0xdeadbeef), "\xde\xad\xbe\xef"); |
620 | is(pack("V!", 0xdeadbeef), "\xef\xbe\xad\xde"); |
621 | |
1109a392 |
622 | print "# test big-/little-endian conversion\n"; |
623 | |
624 | sub byteorder |
625 | { |
626 | my $format = shift; |
627 | print "# byteorder test for $format\n"; |
628 | for my $value (@_) { |
629 | SKIP: { |
630 | my($nat,$be,$le) = eval { map { pack $format.$_, $value } '', '>', '<' }; |
631 | skip "cannot pack '$format' on this perl", 5 |
632 | if is_valid_error($@); |
633 | |
634 | print "# [$value][$nat][$be][$le][$@]\n"; |
635 | |
636 | SKIP: { |
637 | skip "cannot compare native byteorder with big-/little-endian", 1 |
638 | if $ByteOrder eq 'unknown'; |
639 | |
640 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
641 | } |
642 | is($be, reverse($le)); |
643 | my @x = eval { unpack "$format$format>$format<", $nat.$be.$le }; |
644 | |
645 | print "# [$value][", join('][', @x), "][$@]\n"; |
646 | |
647 | is($@, ''); |
648 | is($x[0], $x[1]); |
649 | is($x[0], $x[2]); |
650 | } |
651 | } |
652 | } |
653 | |
654 | byteorder('s', -32768, -1, 0, 1, 32767); |
655 | byteorder('S', 0, 1, 32767, 32768, 65535); |
656 | byteorder('i', -2147483648, -1, 0, 1, 2147483647); |
657 | byteorder('I', 0, 1, 2147483647, 2147483648, 4294967295); |
658 | byteorder('l', -2147483648, -1, 0, 1, 2147483647); |
659 | byteorder('L', 0, 1, 2147483647, 2147483648, 4294967295); |
660 | byteorder('j', -2147483648, -1, 0, 1, 2147483647); |
661 | byteorder('J', 0, 1, 2147483647, 2147483648, 4294967295); |
662 | byteorder('s!', -32768, -1, 0, 1, 32767); |
663 | byteorder('S!', 0, 1, 32767, 32768, 65535); |
664 | byteorder('i!', -2147483648, -1, 0, 1, 2147483647); |
665 | byteorder('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
666 | byteorder('l!', -2147483648, -1, 0, 1, 2147483647); |
667 | byteorder('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
668 | byteorder('q', -9223372036854775808, -1, 0, 1, 9223372036854775807); |
669 | byteorder('Q', 0, 1, 9223372036854775807, 9223372036854775808, 18446744073709551615); |
670 | byteorder('f', -1, 0, 0.5, 42, 2**34); |
671 | byteorder('F', -1, 0, 0.5, 42, 2**34); |
672 | byteorder('d', -(2**34), -1, 0, 1, 2**34); |
673 | byteorder('D', -(2**34), -1, 0, 1, 2**34); |
674 | |
675 | print "# test negative numbers\n"; |
676 | |
677 | SKIP: { |
678 | skip "platform is not using two's complement for negative integers", 120 |
679 | unless $IsTwosComplement; |
680 | |
681 | for my $format (qw(s i l j s! i! l! q)) { |
682 | SKIP: { |
683 | my($nat,$be,$le) = eval { map { pack $format.$_, -1 } '', '>', '<' }; |
684 | skip "cannot pack '$format' on this perl", 15 |
685 | if is_valid_error($@); |
686 | |
687 | my $len = length $nat; |
688 | is($_, "\xFF"x$len) for $nat, $be, $le; |
689 | |
690 | my(@val,@ref); |
691 | if ($len >= 8) { |
692 | @val = (-2, -81985529216486896, -9223372036854775808); |
693 | @ref = ("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE", |
694 | "\xFE\xDC\xBA\x98\x76\x54\x32\x10", |
695 | "\x80\x00\x00\x00\x00\x00\x00\x00"); |
696 | } |
697 | elsif ($len >= 4) { |
698 | @val = (-2, -19088744, -2147483648); |
699 | @ref = ("\xFF\xFF\xFF\xFE", |
700 | "\xFE\xDC\xBA\x98", |
701 | "\x80\x00\x00\x00"); |
702 | } |
703 | else { |
704 | @val = (-2, -292, -32768); |
705 | @ref = ("\xFF\xFE", |
706 | "\xFE\xDC", |
707 | "\x80\x00"); |
708 | } |
709 | for my $x (@ref) { |
710 | if ($len > length $x) { |
711 | $x = $x . "\xFF" x ($len - length $x); |
712 | } |
713 | } |
714 | |
715 | for my $i (0 .. $#val) { |
716 | my($nat,$be,$le) = eval { map { pack $format.$_, $val[$i] } '', '>', '<' }; |
717 | is($@, ''); |
718 | |
719 | SKIP: { |
720 | skip "cannot compare native byteorder with big-/little-endian", 1 |
721 | if $ByteOrder eq 'unknown'; |
722 | |
723 | is($nat, $ByteOrder eq 'big' ? $be : $le); |
724 | } |
725 | |
726 | is($be, $ref[$i]); |
727 | is($be, reverse($le)); |
728 | } |
729 | } |
730 | } |
731 | } |
732 | |
fa8ec7c1 |
733 | { |
734 | # / |
735 | |
736 | my ($x, $y, $z); |
737 | eval { ($x) = unpack '/a*','hello' }; |
49704364 |
738 | like($@, qr!'/' must follow a numeric type!); |
72b034c3 |
739 | undef $x; |
740 | eval { $x = unpack '/a*','hello' }; |
49704364 |
741 | like($@, qr!'/' must follow a numeric type!); |
0b568b5f |
742 | |
72b034c3 |
743 | undef $x; |
fa8ec7c1 |
744 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
745 | is($@, ''); |
746 | is($z, 'ok'); |
747 | is($x, 'yes'); |
748 | is($y, 'z'); |
72b034c3 |
749 | undef $z; |
750 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
751 | is($@, ''); |
752 | is($z, 'ok'); |
753 | |
fa8ec7c1 |
754 | |
72b034c3 |
755 | undef $x; |
fa8ec7c1 |
756 | eval { ($x) = pack '/a*','hello' }; |
49704364 |
757 | like($@, qr!Invalid type '/'!); |
72b034c3 |
758 | undef $x; |
759 | eval { $x = pack '/a*','hello' }; |
49704364 |
760 | like($@, qr!Invalid type '/'!); |
fa8ec7c1 |
761 | |
762 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
763 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
764 | is($z, $expect); |
4b5b2118 |
765 | |
72b034c3 |
766 | undef $x; |
b85d93de |
767 | $expect = 'hello world'; |
768 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
769 | is($x, $expect); |
770 | is($@, ''); |
771 | |
72b034c3 |
772 | undef $x; |
b85d93de |
773 | # Doing this in scalar context used to fail. |
774 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
775 | is($@, ''); |
776 | is($x, $expect); |
b85d93de |
777 | |
fa8ec7c1 |
778 | foreach ( |
0b568b5f |
779 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
780 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
781 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
782 | ) |
783 | { |
fa8ec7c1 |
784 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
785 | undef $x; |
fa8ec7c1 |
786 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
787 | is($@, ''); |
788 | is($x, $expect) || |
789 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
790 | encode_list ($x); |
791 | |
72b034c3 |
792 | undef $x; |
b85d93de |
793 | eval { $x = unpack $pat, $in }; |
0b568b5f |
794 | is($@, ''); |
795 | is($x, $expect) || |
796 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
797 | encode_list ($x); |
fa8ec7c1 |
798 | } |
4b5b2118 |
799 | |
0b568b5f |
800 | # / with # |
17f4a12d |
801 | |
72b034c3 |
802 | my $pattern = <<'EOU'; |
17f4a12d |
803 | a3/A # Count in ASCII |
804 | C/a* # Count in a C char |
805 | C/Z # Count in a C char but skip after \0 |
806 | EOU |
17f4a12d |
807 | |
72b034c3 |
808 | $x = $y = $z =undef; |
809 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
810 | is($@, ''); |
811 | is($z, 'ok'); |
812 | is($x, 'yes'); |
813 | is($y, 'z'); |
72b034c3 |
814 | undef $x; |
815 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
816 | is($@, ''); |
817 | is($z, 'ok'); |
0b568b5f |
818 | |
72b034c3 |
819 | $pattern = <<'EOP'; |
17f4a12d |
820 | n/a* # Count as network short |
821 | w/A* # Count a BER integer |
822 | EOP |
fa8ec7c1 |
823 | $expect = "\000\006string\003etc"; |
72b034c3 |
824 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
825 | is($z, $expect); |
fa8ec7c1 |
826 | } |
827 | |
60a99fa7 |
828 | |
829 | SKIP: { |
830 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
831 | |
832 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
833 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
834 | } |
0b568b5f |
835 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
836 | |
0b568b5f |
837 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
838 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
839 | |
840 | # does pack U create Unicode? |
0b568b5f |
841 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
842 | |
843 | # does unpack U deref Unicode? |
0b568b5f |
844 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
845 | |
846 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
847 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
848 | |
849 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
850 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
851 | |
852 | |
853 | SKIP: { |
854 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
855 | |
7eed2ccc |
856 | # does unpack C unravel pack U? |
0b568b5f |
857 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
858 | |
7eed2ccc |
859 | # does pack U0C create Unicode? |
0b568b5f |
860 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
861 | |
7eed2ccc |
862 | # does pack C0U create characters? |
0b568b5f |
863 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
864 | |
2dcec3fe |
865 | # does unpack U0U on byte data warn? |
866 | { |
867 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
868 | my @null = unpack('U0U', chr(255)); |
1109a392 |
869 | like($@, qr/^Malformed UTF-8 character /); |
2dcec3fe |
870 | } |
35bcd338 |
871 | } |
872 | |
fa8ec7c1 |
873 | { |
874 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
875 | my (@a); |
876 | # bug - % had to be at the start of the pattern, no leading whitespace or |
877 | # comments. %i! didn't work at all. |
878 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
879 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
880 | @a = unpack $pat, $p; |
0b568b5f |
881 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
882 | @a = scalar unpack $pat, $p; |
0b568b5f |
883 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
884 | } |
885 | |
886 | |
887 | $p = pack 'I*', 42, 12; |
888 | # Multiline patterns in scalar context failed. |
889 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
890 | # On the Ning Nang Nong |
891 | # Where the Cows go Bong! |
892 | # And the Monkeys all say Boo! |
893 | I |
894 | EOPOEMSNIPPET |
0b568b5f |
895 | @a = unpack $pat, $p; |
896 | is(scalar @a, 1); |
897 | is($a[0], 42); |
898 | @a = scalar unpack $pat, $p; |
899 | is(scalar @a, 1); |
900 | is($a[0], 42); |
901 | } |
fa8ec7c1 |
902 | |
903 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
904 | # point, so a pathologically long pattern would wrap at 32 bits. |
905 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
906 | foreach (4,3,2,1,0) { |
907 | my $len = 65534 + $_; |
0b568b5f |
908 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
909 | } |
910 | } |
b85d93de |
911 | |
912 | |
913 | # pack x X @ |
914 | foreach ( |
0b568b5f |
915 | ['x', "N", "\0"], |
916 | ['x4', "N", "\0"x4], |
917 | ['xX', "N", ""], |
918 | ['xXa*', "Nick", "Nick"], |
919 | ['a5Xa5', "cameL", "llama", "camellama"], |
920 | ['@4', 'N', "\0"x4], |
921 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
922 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
923 | ) |
924 | { |
b85d93de |
925 | my ($template, @in) = @$_; |
926 | my $out = pop @in; |
927 | my $got = eval {pack $template, @in}; |
0b568b5f |
928 | is($@, ''); |
929 | is($out, $got) || |
930 | printf "# pack ('$template', %s) gave %s expected %s\n", |
931 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
932 | } |
933 | |
934 | # unpack x X @ |
935 | foreach ( |
0b568b5f |
936 | ['x', "N"], |
937 | ['xX', "N"], |
938 | ['xXa*', "Nick", "Nick"], |
939 | ['a5Xa5', "camellama", "camel", "llama"], |
940 | ['@3', "ice"], |
941 | ['@2a2', "water", "te"], |
942 | ['a*@1a3', "steam", "steam", "tea"], |
943 | ) |
944 | { |
b85d93de |
945 | my ($template, $in, @out) = @$_; |
946 | my @got = eval {unpack $template, $in}; |
0b568b5f |
947 | is($@, ''); |
c8f824eb |
948 | ok (list_eq (\@got, \@out)) || |
9e17a6b8 |
949 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
950 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
951 | |
952 | my $got = eval {unpack $template, $in}; |
0b568b5f |
953 | is($@, ''); |
954 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
955 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
956 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
957 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
958 | } |
d50dd4e4 |
959 | |
960 | { |
d50dd4e4 |
961 | my $t = 'Z*Z*'; |
962 | my ($u, $v) = qw(foo xyzzy); |
963 | my $p = pack($t, $u, $v); |
964 | my @u = unpack($t, $p); |
0b568b5f |
965 | is(scalar @u, 2); |
966 | is($u[0], $u); |
967 | is($u[1], $v); |
d50dd4e4 |
968 | } |
bf80f5a2 |
969 | |
970 | { |
0b568b5f |
971 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
972 | |
0b568b5f |
973 | # "w/a*" should be seen as one unit |
bf80f5a2 |
974 | |
0b568b5f |
975 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
976 | } |
b81060d6 |
977 | |
978 | { |
66c611c5 |
979 | print "# group modifiers\n"; |
980 | |
981 | for my $t (qw{ (s<)< (sl>s)> (s(l(sl)<l)s)< }) { |
982 | print "# testing pattern '$t'\n"; |
983 | eval { ($_) = unpack($t, 'x'x18); }; |
984 | is($@, ''); |
985 | eval { $_ = pack($t, (0)x6); }; |
986 | is($@, ''); |
987 | } |
988 | |
989 | for my $t (qw{ (s<)> (sl>s)< (s(l(sl)<l)s)> }) { |
990 | print "# testing pattern '$t'\n"; |
991 | eval { ($_) = unpack($t, 'x'x18); }; |
992 | like($@, qr/Can't use '[<>]' in a group with different byte-order in unpack/); |
993 | eval { $_ = pack($t, (0)x6); }; |
994 | like($@, qr/Can't use '[<>]' in a group with different byte-order in pack/); |
995 | } |
996 | |
997 | sub compress_template { |
998 | my $t = shift; |
999 | for my $mod (qw( < > )) { |
1000 | $t =~ s/((?:(?:[SILQJFDP]!?$mod|[^SILQJFDP\W]!?)(?:\d+|\*|\[(?:[^]]+)\])?\/?){2,})/ |
1001 | my $x = $1; $x =~ s!$mod!!g ? "($x)$mod" : $x /ieg; |
1002 | } |
1003 | return $t; |
1004 | } |
1005 | |
1006 | is(pack('L<L>', (0x12345678)x2), |
1007 | pack('(((L1)1)<)(((L)1)1)>1', (0x12345678)x2)); |
1008 | |
1009 | my %templates = ( |
1010 | 's<' => [-42], |
1011 | 's<c2x![S]S<' => [-42, -11, 12, 4711], |
1012 | '(i<j<[s]l<)3' => [-11, -22, -33, 1000000, 1100, 2201, 3302, |
1013 | -1000000, 32767, -32768, 1, -123456789 ], |
1014 | '(I!<4(J<2L<)3)5' => [1 .. 65], |
1015 | 'q<Q<' => [-50000000005, 60000000006], |
1016 | 'f<F<d<' => [3.14159, 111.11, 2222.22], |
1017 | 'D<cCD<' => [1e42, -128, 255, 1e-42], |
1018 | 'n/a*' => ['/usr/bin/perl'], |
1019 | 'C/a*S</A*L</Z*I</a*' => [qw(Just another Perl hacker)], |
1020 | ); |
1021 | |
1022 | for my $tle (sort keys %templates) { |
1023 | my @d = @{$templates{$tle}}; |
1024 | my $tbe = $tle; |
1025 | $tbe =~ y/</>/; |
1026 | for my $t ($tbe, $tle) { |
1027 | my $c = compress_template($t); |
1028 | print "# '$t' -> '$c'\n"; |
1029 | SKIP: { |
1030 | my $p1 = eval { pack $t, @d }; |
1031 | skip "cannot pack '$t' on this perl", 5 if is_valid_error($@); |
1032 | my $p2 = eval { pack $c, @d }; |
1033 | is($@, ''); |
1034 | is($p1, $p2); |
1035 | s!(/[aAZ])\*!$1!g for $t, $c; |
1036 | my @u1 = eval { unpack $t, $p1 }; |
1037 | is($@, ''); |
1038 | my @u2 = eval { unpack $c, $p2 }; |
1039 | is($@, ''); |
1040 | is(join('!', @u1), join('!', @u2)); |
1041 | } |
1042 | } |
1043 | } |
1044 | } |
1045 | |
1046 | { |
b81060d6 |
1047 | # from Wolfgang Laun: fix in change #13163 |
1048 | |
1049 | my $s = 'ABC' x 10; |
644d52eb |
1050 | my $t = '*'; |
1051 | my $x = ord($t); |
b81060d6 |
1052 | my $buf = pack( 'Z*/A* C', $s, $x ); |
1053 | my $y; |
1054 | |
1055 | my $h = $buf; |
1056 | $h =~ s/[^[:print:]]/./g; |
1057 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
1058 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
1059 | is(length $buf, 34); |
1060 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
1061 | is($y, $x); |
b81060d6 |
1062 | } |
3bf38418 |
1063 | |
1064 | { |
b223308b |
1065 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
1066 | |
b223308b |
1067 | eval { my $t=unpack("P*", "abc") }; |
49704364 |
1068 | like($@, qr/'P' must have an explicit size/); |
3bf38418 |
1069 | } |
18529408 |
1070 | |
1071 | { # Grouping constructs |
1072 | my (@a, @b); |
1073 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
1074 | is("@a", "67 68"); |
1075 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
1076 | @b = (67..72); |
1077 | is("@a", "@b"); |
1078 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
1079 | is("@a", "@b"); |
1080 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
1081 | is("@a", "@b"); |
1082 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
1083 | is("@a", "@b"); |
1084 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
1085 | is("@a", "@b"); |
1086 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
1087 | is("@a", "@b"); |
1088 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
1089 | @b = (67..74); |
1090 | is("@a", "@b"); |
1091 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
1092 | is("@a", "@b"); |
1093 | eval { @a = unpack '(*SL)', '' }; |
1094 | like($@, qr/\(\)-group starts with a count/); |
1095 | eval { @a = unpack '(3SL)', '' }; |
1096 | like($@, qr/\(\)-group starts with a count/); |
1097 | eval { @a = unpack '([3]SL)', '' }; |
1098 | like($@, qr/\(\)-group starts with a count/); |
1099 | eval { @a = pack '(*SL)' }; |
1100 | like($@, qr/\(\)-group starts with a count/); |
1101 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
1102 | is("@a", "@b"); |
1103 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
1104 | is("@a", "@b"); |
1105 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
1106 | is("@a", "@b"); |
1107 | } |
206947d2 |
1108 | |
49704364 |
1109 | { # more on grouping (W.Laun) |
1110 | use warnings; |
1111 | my $warning; |
1112 | local $SIG{__WARN__} = sub { |
1113 | $warning = $_[0]; |
1114 | }; |
1115 | # @ absolute within ()-group |
1116 | my $badc = pack( '(a)*', unpack( '(@1a @0a @2)*', 'abcd' ) ); |
1117 | is( $badc, 'badc' ); |
1118 | my @b = ( 1, 2, 3 ); |
1119 | my $buf = pack( '(@1c)((@2C)@3c)', @b ); |
1120 | is( $buf, "\0\1\0\0\2\3" ); |
1121 | my @a = unpack( '(@1c)((@2c)@3c)', $buf ); |
1122 | is( "@a", "@b" ); |
1123 | |
1124 | # various unpack count/code scenarios |
1125 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1126 | my $env = pack( 'S(S/A*S/A*)*', @Env/2, @Env ); |
1127 | |
1128 | # unpack full length - ok |
1129 | my @pup = unpack( 'S/(S/A* S/A*)', $env ); |
1130 | is( "@pup", "@Env" ); |
1131 | |
1132 | # warn when count/code goes beyond end of string |
1133 | # \0002 \0001 a \0003 AAA \0001 b \0003 BBB |
1134 | # 2 4 5 7 10 1213 |
1135 | eval { @pup = unpack( 'S/(S/A* S/A*)', substr( $env, 0, 13 ) ) }; |
1136 | like( $@, qr{length/code after end of string} ); |
1137 | |
1138 | # postfix repeat count |
1139 | $env = pack( '(S/A* S/A*)' . @Env/2, @Env ); |
1140 | |
1141 | # warn when count/code goes beyond end of string |
1142 | # \0001 a \0003 AAA \0001 b \0003 BBB |
1143 | # 2 3c 5 8 10 11 13 16 |
1144 | eval { @pup = unpack( '(S/A* S/A*)' . @Env/2, substr( $env, 0, 11 ) ) }; |
1145 | like( $@, qr{length/code after end of string} ); |
1146 | |
1147 | # catch stack overflow/segfault |
1148 | eval { $_ = pack( ('(' x 105) . 'A' . (')' x 105) ); }; |
1149 | like( $@, qr{Too deeply nested \(\)-groups} ); |
1150 | } |
1151 | |
1152 | { # syntax checks (W.Laun) |
1153 | use warnings; |
1154 | my @warning; |
1155 | local $SIG{__WARN__} = sub { |
1156 | push( @warning, $_[0] ); |
1157 | }; |
1158 | eval { my $s = pack( 'Ax![4c]A', 1..5 ); }; |
1159 | like( $@, qr{Malformed integer in \[\]} ); |
1160 | |
1161 | eval { my $buf = pack( '(c/*a*)', 'AAA', 'BB' ); }; |
1162 | like( $@, qr{'/' does not take a repeat count} ); |
1163 | |
1164 | eval { my @inf = unpack( 'c/1a', "\x03AAA\x02BB" ); }; |
1165 | like( $@, qr{'/' does not take a repeat count} ); |
1166 | |
1167 | eval { my @inf = unpack( 'c/*a', "\x03AAA\x02BB" ); }; |
1168 | like( $@, qr{'/' does not take a repeat count} ); |
1169 | |
1170 | # white space where possible |
1171 | my @Env = ( a => 'AAA', b => 'BBB' ); |
1172 | my $env = pack( ' S ( S / A* S / A* )* ', @Env/2, @Env ); |
1173 | my @pup = unpack( ' S / ( S / A* S / A* ) ', $env ); |
1174 | is( "@pup", "@Env" ); |
1175 | |
1176 | # white space in 4 wrong places |
1177 | for my $temp ( 'A ![4]', 'A [4]', 'A *', 'A 4' ){ |
1178 | eval { my $s = pack( $temp, 'B' ); }; |
1179 | like( $@, qr{Invalid type } ); |
1180 | } |
1181 | |
1182 | # warning for commas |
1183 | @warning = (); |
1184 | my $x = pack( 'I,A', 4, 'X' ); |
1185 | like( $warning[0], qr{Invalid type ','} ); |
1186 | |
1187 | # comma warning only once |
1188 | @warning = (); |
1189 | $x = pack( 'C(C,C)C,C', 65..71 ); |
1190 | like( scalar @warning, 1 ); |
1191 | |
1192 | # forbidden code in [] |
1193 | eval { my $x = pack( 'A[@4]', 'XXXX' ); }; |
1194 | like( $@, qr{Within \[\]-length '\@' not allowed} ); |
1195 | |
1196 | # @ repeat default 1 |
1197 | my $s = pack( 'AA@A', 'A', 'B', 'C' ); |
1198 | my @c = unpack( 'AA@A', $s ); |
1199 | is( $s, 'AC' ); |
1200 | is( "@c", "A C C" ); |
1201 | |
1202 | # no unpack code after / |
1203 | eval { my @a = unpack( "C/", "\3" ); }; |
1204 | like( $@, qr{Code missing after '/'} ); |
1205 | |
1109a392 |
1206 | # modifier warnings |
1207 | @warning = (); |
1208 | $x = pack "I>>s!!", 47, 11; |
1209 | ($x) = unpack "I<<l!>!>", 'x'x20; |
1210 | is(scalar @warning, 5); |
1211 | like($warning[0], qr/Duplicate modifier '>' after 'I' in pack/); |
1212 | like($warning[1], qr/Duplicate modifier '!' after 's' in pack/); |
1213 | like($warning[2], qr/Duplicate modifier '<' after 'I' in unpack/); |
1214 | like($warning[3], qr/Duplicate modifier '!' after 'l' in unpack/); |
1215 | like($warning[4], qr/Duplicate modifier '>' after 'l' in unpack/); |
49704364 |
1216 | } |
1217 | |
206947d2 |
1218 | { # Repeat count [SUBEXPR] |
92d41999 |
1219 | my @codes = qw( x A Z a c C B b H h s v n S i I l V N L p P f F d |
1220 | s! S! i! I! l! L! j J); |
1221 | my $G; |
206947d2 |
1222 | if (eval { pack 'q', 1 } ) { |
1223 | push @codes, qw(q Q); |
1224 | } else { |
1109a392 |
1225 | push @codes, qw(s S); # Keep the count the same |
206947d2 |
1226 | } |
92d41999 |
1227 | if (eval { pack 'D', 1 } ) { |
1228 | push @codes, 'D'; |
1229 | } else { |
1230 | push @codes, 'd'; # Keep the count the same |
1231 | } |
206947d2 |
1232 | |
1109a392 |
1233 | push @codes, map { /^[silqjfdp]/i ? ("$_<", "$_>") : () } @codes; |
1234 | |
206947d2 |
1235 | my %val; |
1236 | @val{@codes} = map { / [Xx] (?{ undef }) |
1237 | | [AZa] (?{ 'something' }) |
1238 | | C (?{ 214 }) |
1239 | | c (?{ 114 }) |
1240 | | [Bb] (?{ '101' }) |
1241 | | [Hh] (?{ 'b8' }) |
92d41999 |
1242 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
1243 | | [FfDd] (?{ 1.36514538e67 }) |
1244 | | [pP] (?{ "try this buffer" }) |
1245 | /x; $^R } @codes; |
1246 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
1247 | my $end = "N4"; |
1248 | |
1249 | for my $type (@codes) { |
1250 | my @list = $val{$type}; |
1251 | @list = () unless defined $list[0]; |
1252 | for my $count ('', '3', '[11]') { |
1253 | my $c = 1; |
1254 | $c = $1 if $count =~ /(\d+)/; |
1255 | my @list1 = @list; |
1256 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
1257 | for my $groupend ('', ')2', ')[8]') { |
1258 | my $groupbegin = ($groupend ? '(' : ''); |
1259 | $c = 1; |
1260 | $c = $1 if $groupend =~ /(\d+)/; |
1261 | my @list2 = (@list1) x $c; |
1262 | |
1109a392 |
1263 | SKIP: { |
1264 | my $junk1 = "$groupbegin $type$count $groupend"; |
1265 | # print "# junk1=$junk1\n"; |
1266 | my $p = eval { pack $junk1, @list2 }; |
1267 | skip "cannot pack '$type' on this perl", 12 |
1268 | if is_valid_error($@); |
1269 | |
1270 | my $half = int( (length $p)/2 ); |
1271 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
1272 | my $junk = "$junk1 $move"; |
1273 | # print "# junk='$junk', list=(@list2)\n"; |
1274 | $p = pack "$junk $end", @list2, @end; |
1275 | my @l = unpack "x[$junk] $end", $p; |
1276 | is(scalar @l, scalar @end); |
1277 | is("@l", "@end", "skipping x[$junk]"); |
1278 | } |
1279 | } |
206947d2 |
1280 | } |
1281 | } |
1282 | } |
1283 | } |
1284 | |
1285 | # / is recognized after spaces in scalar context |
1286 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
1287 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
1288 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
1289 | |
1290 | { # X! and x! |
1291 | my $t = 'C[3] x!8 C[2]'; |
1292 | my @a = (0x73..0x77); |
1293 | my $p = pack($t, @a); |
1294 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
1295 | my @b = unpack $t, $p; |
1296 | is(scalar @b, scalar @a); |
1297 | is("@b", "@a", 'x!8'); |
1298 | $t = 'x[5] C[6] X!8 C[2]'; |
1299 | @a = (0x73..0x7a); |
1300 | $p = pack($t, @a); |
1301 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
1302 | @b = unpack $t, $p; |
1303 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
1304 | is(scalar @b, scalar @a); |
1305 | is("@b", "@a"); |
1306 | } |
1307 | |
1308 | { # struct {char c1; double d; char cc[2];} |
1309 | my $t = 'C x![d] d C[2]'; |
1310 | my @a = (173, 1.283476517e-45, 42, 215); |
1311 | my $p = pack $t, @a; |
1312 | ok( length $p); |
1313 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
1314 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
1315 | $b = "@b"; |
1316 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1317 | is($b, "@a @a"); |
62f95557 |
1318 | |
1319 | my $warning; |
1320 | local $SIG{__WARN__} = sub { |
1321 | $warning = $_[0]; |
1322 | }; |
1323 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; |
1324 | |
1325 | is($warning, undef); |
1326 | is(scalar @b, scalar @a); |
3f7e3417 |
1327 | $b = "@b"; |
1328 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1329 | is($b, "@a"); |
62f95557 |
1330 | } |
92d41999 |
1331 | |
1332 | is(length(pack("j", 0)), $Config{ivsize}); |
1333 | is(length(pack("J", 0)), $Config{uvsize}); |
1334 | is(length(pack("F", 0)), $Config{nvsize}); |
1335 | |
1336 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); |
1337 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); |
1338 | numbers ('F', -(2**34), -1, 0, 1, 2**34); |
1339 | SKIP: { |
1340 | my $t = eval { unpack("D*", pack("D", 12.34)) }; |
1341 | |
1109a392 |
1342 | skip "Long doubles not in use", 166 if $@ =~ /Invalid type/; |
92d41999 |
1343 | |
1344 | is(length(pack("D", 0)), $Config{longdblsize}); |
1345 | numbers ('D', -(2**34), -1, 0, 1, 2**34); |
1346 | } |
1347 | |
c8f824eb |
1348 | # Maybe this knowledge needs to be "global" for all of pack.t |
1349 | # Or a "can checksum" which would effectively be all the number types" |
1350 | my %cant_checksum = map {$_=> 1} qw(A Z u w); |
1351 | # not a b B h H |
1352 | 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)) { |
1353 | SKIP: { |
1354 | my $packed = eval {pack "${template}4", 1, 4, 9, 16}; |
1355 | if ($@) { |
49704364 |
1356 | die unless $@ =~ /Invalid type '$template'/; |
c8f824eb |
1357 | skip ("$template not supported on this perl", |
1358 | $cant_checksum{$template} ? 4 : 8); |
1359 | } |
1360 | my @unpack4 = unpack "${template}4", $packed; |
1361 | my @unpack = unpack "${template}*", $packed; |
1362 | my @unpack1 = unpack "${template}", $packed; |
1363 | my @unpack1s = scalar unpack "${template}", $packed; |
1364 | my @unpack4s = scalar unpack "${template}4", $packed; |
1365 | my @unpacks = scalar unpack "${template}*", $packed; |
1366 | |
1367 | my @tests = ( ["${template}4 vs ${template}*", \@unpack4, \@unpack], |
1368 | ["scalar ${template} ${template}", \@unpack1s, \@unpack1], |
1369 | ["scalar ${template}4 vs ${template}", \@unpack4s, \@unpack1], |
1370 | ["scalar ${template}* vs ${template}", \@unpacks, \@unpack1], |
1371 | ); |
1372 | |
1373 | unless ($cant_checksum{$template}) { |
1374 | my @unpack4_c = unpack "\%${template}4", $packed; |
1375 | my @unpack_c = unpack "\%${template}*", $packed; |
1376 | my @unpack1_c = unpack "\%${template}", $packed; |
1377 | my @unpack1s_c = scalar unpack "\%${template}", $packed; |
1378 | my @unpack4s_c = scalar unpack "\%${template}4", $packed; |
1379 | my @unpacks_c = scalar unpack "\%${template}*", $packed; |
1380 | |
1381 | push @tests, |
1382 | ( ["% ${template}4 vs ${template}*", \@unpack4_c, \@unpack_c], |
1383 | ["% scalar ${template} ${template}", \@unpack1s_c, \@unpack1_c], |
1384 | ["% scalar ${template}4 vs ${template}*", \@unpack4s_c, \@unpack_c], |
1385 | ["% scalar ${template}* vs ${template}*", \@unpacks_c, \@unpack_c], |
1386 | ); |
1387 | } |
1388 | foreach my $test (@tests) { |
1389 | ok (list_eq ($test->[1], $test->[2]), $test->[0]) || |
1390 | printf "# unpack gave %s expected %s\n", |
1391 | encode_list (@{$test->[1]}), encode_list (@{$test->[2]}); |
1392 | } |
1393 | } |
1394 | } |
9c3dc587 |
1395 | |
1396 | ok(pack('u2', 'AA'), "[perl #8026]"); # used to hang and eat RAM in perl 5.7.2 |
1397 | |
fe581ec7 |
1398 | $_ = pack('c', 65); # 'A' would not be EBCDIC-friendly |
1399 | is(unpack('c'), 65, "one-arg unpack (change #18751)"); # defaulting to $_ |
db37a92e |
1400 | |
1401 | { |
1402 | my $a = "X\t01234567\n" x 100; |
1403 | my @a = unpack("(a1 c/a)*", $a); |
1404 | is(scalar @a, 200, "[perl #15288]"); |
1405 | is($a[-1], "01234567\n", "[perl #15288]"); |
1406 | is($a[-2], "X", "[perl #15288]"); |
1407 | } |