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 | |
db37a92e |
9 | plan tests => 5852; |
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 $Perl = which_perl(); |
c274e827 |
17 | |
b85d93de |
18 | sub encode_list { |
9e17a6b8 |
19 | my @result = map {_qq($_)} @_; |
b85d93de |
20 | if (@result == 1) { |
21 | return @result; |
22 | } |
23 | return '(' . join (', ', @result) . ')'; |
24 | } |
25 | |
a1a0e61e |
26 | |
b85d93de |
27 | sub list_eq ($$) { |
28 | my ($l, $r) = @_; |
c8f824eb |
29 | return 0 unless @$l == @$r; |
b85d93de |
30 | for my $i (0..$#$l) { |
31 | if (defined $l->[$i]) { |
c8f824eb |
32 | return 0 unless defined ($r->[$i]) && $l->[$i] eq $r->[$i]; |
b85d93de |
33 | } else { |
c8f824eb |
34 | return 0 if defined $r->[$i] |
b85d93de |
35 | } |
36 | } |
37 | return 1; |
38 | } |
39 | |
40 | ############################################################################## |
41 | # |
42 | # Here starteth the tests |
43 | # |
44 | |
fa8ec7c1 |
45 | { |
0b568b5f |
46 | my $format = "c2 x5 C C x s d i l a6"; |
47 | # Need the expression in here to force ary[5] to be numeric. This avoids |
48 | # test2 failing because ary2 goes str->numeric->str and ary doesn't. |
49 | my @ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456, |
50 | "abcdef"); |
51 | my $foo = pack($format,@ary); |
52 | my @ary2 = unpack($format,$foo); |
53 | |
54 | is($#ary, $#ary2); |
55 | |
56 | my $out1=join(':',@ary); |
57 | my $out2=join(':',@ary2); |
58 | # Using long double NVs may introduce greater accuracy than wanted. |
59 | $out1 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; |
60 | $out2 =~ s/:9\.87654321097999\d*:/:9.87654321098:/; |
61 | is($out1, $out2); |
62 | |
63 | like($foo, qr/def/); |
fa8ec7c1 |
64 | } |
79072805 |
65 | # How about counting bits? |
66 | |
fa8ec7c1 |
67 | { |
0b568b5f |
68 | my $x; |
69 | is( ($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")), 16 ); |
79072805 |
70 | |
0b568b5f |
71 | is( ($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")), 12 ); |
79072805 |
72 | |
0b568b5f |
73 | is( ($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")), 9 ); |
fa8ec7c1 |
74 | } |
79072805 |
75 | |
fa8ec7c1 |
76 | { |
0b568b5f |
77 | my $sum = 129; # ASCII |
78 | $sum = 103 if $Is_EBCDIC; |
9d116dd7 |
79 | |
0b568b5f |
80 | my $x; |
81 | is( ($x = unpack("%32B*", "Now is the time for all good blurfl")), $sum ); |
79072805 |
82 | |
0b568b5f |
83 | my $foo; |
84 | open(BIN, $Perl) || die "Can't open $Perl: $!\n"; |
85 | sysread BIN, $foo, 8192; |
86 | close BIN; |
79072805 |
87 | |
0b568b5f |
88 | $sum = unpack("%32b*", $foo); |
89 | my $longway = unpack("b*", $foo); |
90 | is( $sum, $longway =~ tr/1/1/ ); |
fa8ec7c1 |
91 | } |
73a1c01a |
92 | |
fa8ec7c1 |
93 | { |
94 | my $x; |
0b568b5f |
95 | is( ($x = unpack("I",pack("I", 0xFFFFFFFF))), 0xFFFFFFFF ); |
fa8ec7c1 |
96 | } |
def98dd4 |
97 | |
fa8ec7c1 |
98 | { |
0b568b5f |
99 | # check 'w' |
100 | my @x = (5,130,256,560,32000,3097152,268435455,1073741844, 2**33, |
101 | '4503599627365785','23728385234614992549757750638446'); |
102 | my $x = pack('w*', @x); |
103 | my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f8480808014A0808'. |
104 | '0800087ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; |
105 | |
106 | is($x, $y); |
107 | |
108 | my @y = unpack('w*', $y); |
109 | my $a; |
110 | while ($a = pop @x) { |
111 | my $b = pop @y; |
112 | is($a, $b); |
113 | } |
def98dd4 |
114 | |
0b568b5f |
115 | @y = unpack('w2', $x); |
def98dd4 |
116 | |
0b568b5f |
117 | is(scalar(@y), 2); |
118 | is($y[1], 130); |
a6c48a57 |
119 | $x = pack('w*', 5000000000); $y = ''; |
120 | eval { |
121 | use Math::BigInt; |
122 | $y = pack('w*', Math::BigInt::->new(5000000000)); |
123 | }; |
124 | is($x, $y); |
196b62db |
125 | |
126 | $x = pack 'w', ~0; |
127 | $y = pack 'w', (~0).''; |
128 | is($x, $y); |
129 | is(unpack ('w',$x), ~0); |
130 | is(unpack ('w',$y), ~0); |
131 | |
132 | $x = pack 'w', ~0 - 1; |
133 | $y = pack 'w', (~0) - 2; |
134 | |
135 | if (~0 - 1 == (~0) - 2) { |
136 | is($x, $y, "NV arithmetic"); |
137 | } else { |
138 | isnt($x, $y, "IV/NV arithmetic"); |
139 | } |
140 | cmp_ok(unpack ('w',$x), '==', ~0 - 1); |
141 | cmp_ok(unpack ('w',$y), '==', ~0 - 2); |
203d3f29 |
142 | |
143 | # These should spot that pack 'w' is using NV, not double, on platforms |
144 | # where IVs are smaller than doubles, and harmlessly pass elsewhere. |
145 | # (tests for change 16861) |
146 | my $x0 = 2**54+3; |
147 | my $y0 = 2**54-2; |
148 | |
149 | $x = pack 'w', $x0; |
150 | $y = pack 'w', $y0; |
151 | |
152 | if ($x0 == $y0) { |
153 | is($x, $y, "NV arithmetic"); |
154 | } else { |
155 | isnt($x, $y, "IV/NV arithmetic"); |
156 | } |
157 | cmp_ok(unpack ('w',$x), '==', $x0); |
158 | cmp_ok(unpack ('w',$y), '==', $y0); |
fa8ec7c1 |
159 | } |
def98dd4 |
160 | |
0b568b5f |
161 | |
fa8ec7c1 |
162 | { |
196b62db |
163 | # test exceptions |
fa8ec7c1 |
164 | my $x; |
165 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
0b568b5f |
166 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
167 | |
fa8ec7c1 |
168 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
169 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
170 | |
fa8ec7c1 |
171 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
172 | like($@, qr/^Unterminated compressed integer/); |
0258719b |
173 | |
174 | eval { $x = pack 'w', -1 }; |
175 | like ($@, qr/^Cannot compress negative numbers/); |
176 | |
177 | eval { $x = pack 'w', '1'x(1 + length ~0) . 'e0' }; |
178 | like ($@, qr/^Can only compress unsigned integers/); |
179 | |
180 | SKIP: { |
181 | # Is this a stupid thing to do on VMS, VOS and other unusual platforms? |
71f93cb9 |
182 | |
183 | skip "-- the IEEE infinity model is unavailable in this configuration." |
184 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
185 | |
0258719b |
186 | my $inf = eval '2**10000'; |
187 | |
188 | skip "Couldn't generate infinity - got error '$@'" |
71b080b8 |
189 | unless defined $inf and $inf == $inf / 2 and $inf + 1 == $inf; |
0258719b |
190 | |
46ff39aa |
191 | local our $TODO; |
192 | $TODO = "VOS needs a fix for posix-1022 to pass this test." |
193 | if ($^O eq 'vos'); |
194 | |
0258719b |
195 | eval { $x = pack 'w', $inf }; |
46ff39aa |
196 | like ($@, qr/^Cannot compress integer/, "Cannot compress integer"); |
0258719b |
197 | } |
198 | |
199 | SKIP: { |
71f93cb9 |
200 | |
201 | skip "-- the full range of an IEEE double may not be available in this configuration." |
202 | if (($^O eq 'VMS') && !defined($Config{useieee})); |
203 | |
0258719b |
204 | # This should be about the biggest thing possible on an IEEE double |
205 | my $big = eval '2**1023'; |
206 | |
92b5f8d1 |
207 | skip "Couldn't generate 2**1023 - got error '$@'", 3 |
0258719b |
208 | unless defined $big and $big != $big / 2; |
209 | |
210 | eval { $x = pack 'w', $big }; |
211 | is ($@, '', "Should be able to pack 'w', $big # 2**1023"); |
212 | |
213 | my $y = eval {unpack 'w', $x}; |
214 | is ($@, '', |
215 | "Should be able to unpack 'w' the result of pack 'w', $big # 2**1023"); |
216 | |
217 | # I'm getting about 1e-16 on FreeBSD |
218 | my $quotient = int (100 * ($y - $big) / $big); |
219 | ok($quotient < 2 && $quotient > -2, |
220 | "Round trip pack, unpack 'w' of $big is withing 1% ($quotient%)"); |
221 | } |
222 | |
fa8ec7c1 |
223 | } |
def98dd4 |
224 | |
84902520 |
225 | # |
226 | # test the "p" template |
227 | |
228 | # literals |
0b568b5f |
229 | is(unpack("p",pack("p","foo")), "foo"); |
84902520 |
230 | |
231 | # scalars |
0b568b5f |
232 | is(unpack("p",pack("p",239)), 239); |
84902520 |
233 | |
234 | # temps |
235 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
236 | { |
9f1b1f2d |
237 | use warnings; |
0b568b5f |
238 | my $warning; |
84902520 |
239 | local $SIG{__WARN__} = sub { |
0b568b5f |
240 | $warning = $_[0]; |
84902520 |
241 | }; |
242 | my $junk = pack("p", &foo); |
0b568b5f |
243 | |
244 | like($warning, qr/temporary val/); |
84902520 |
245 | } |
246 | |
247 | # undef should give null pointer |
0b568b5f |
248 | like(pack("p", undef), qr/^\0+/); |
84902520 |
249 | |
20408e3c |
250 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
251 | # 4294967295 instead of -1) |
252 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
253 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
254 | |
0b568b5f |
255 | # test the pack lengths of s S i I l L |
256 | # test the pack lengths of n N v V |
fa8ec7c1 |
257 | my @lengths = qw(s 2 S 2 i -4 I -4 l 4 L 4 n 2 N 4 v 2 V 4); |
258 | while (my ($format, $expect) = splice @lengths, 0, 2) { |
259 | my $len = length(pack($format, 0)); |
260 | if ($expect > 0) { |
0b568b5f |
261 | is($expect, $len, "format '$format'"); |
fa8ec7c1 |
262 | } else { |
263 | $expect = -$expect; |
0b568b5f |
264 | ok ($len >= $expect, "format '$format'") || |
265 | print "# format '$format' has length $len, expected >= $expect\n"; |
fa8ec7c1 |
266 | } |
267 | } |
d4217c7e |
268 | |
d4217c7e |
269 | |
0b568b5f |
270 | # test unpack-pack lengths |
271 | my @templates = qw(c C i I s S l L n N v V f d q Q); |
d4217c7e |
272 | |
273 | foreach my $t (@templates) { |
0b568b5f |
274 | SKIP: { |
275 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
276 | |
277 | # quads not supported everywhere |
49704364 |
278 | skip "Quads not supported", 4 if $@ =~ /Invalid type/; |
0b568b5f |
279 | is( $@, '' ); |
280 | |
281 | is(scalar @t, 2); |
3020ec7a |
282 | |
283 | SKIP: { |
284 | skip "$t not expected to work for some reason", 2 if $t =~ /[nv]/i; |
285 | |
0b568b5f |
286 | is($t[0], 12); |
287 | is($t[1], 34); |
288 | } |
0b568b5f |
289 | } |
d4217c7e |
290 | } |
9d116dd7 |
291 | |
fa8ec7c1 |
292 | { |
0b568b5f |
293 | # uuencode/decode |
9d116dd7 |
294 | |
0b568b5f |
295 | # Note that first uuencoding known 'text' data and then checking the |
296 | # binary values of the uuencoded version would not be portable between |
297 | # character sets. Uuencoding is meant for encoding binary data, not |
298 | # text data. |
c4d5f83a |
299 | |
0b568b5f |
300 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
301 | |
0b568b5f |
302 | # just to be anal, we do some random tr/`/ / |
303 | my $uu = <<'EOUU'; |
ba1ac976 |
304 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
305 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
306 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
307 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
308 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
309 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
310 | EOUU |
311 | |
0b568b5f |
312 | $_ = $uu; |
313 | tr/ /`/; |
9d116dd7 |
314 | |
0b568b5f |
315 | is(pack('u', $in), $_); |
fa8ec7c1 |
316 | |
0b568b5f |
317 | is(unpack('u', $uu), $in); |
9d116dd7 |
318 | |
0b568b5f |
319 | $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"; |
320 | $uu = <<'EOUU'; |
eddc390b |
321 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
322 | &8%P:```` |
323 | EOUU |
324 | |
0b568b5f |
325 | is(unpack('u', $uu), $in); |
eddc390b |
326 | |
0b568b5f |
327 | # This is identical to the above except that backquotes have been |
328 | # changed to spaces |
eddc390b |
329 | |
0b568b5f |
330 | $uu = <<'EOUU'; |
eddc390b |
331 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
332 | &8%P: |
eddc390b |
333 | EOUU |
334 | |
0b568b5f |
335 | # ' # Grr |
336 | is(unpack('u', $uu), $in); |
ef54e1a4 |
337 | |
d99ad34e |
338 | } |
726ea183 |
339 | |
0b568b5f |
340 | # test the ascii template types (A, a, Z) |
726ea183 |
341 | |
fa8ec7c1 |
342 | foreach ( |
0b568b5f |
343 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
344 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
345 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
346 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
347 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
348 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
349 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
350 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
351 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
352 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
353 | ['p', 'Z3', "foo", "fo\0"], |
354 | ['u', 'Z*', "foo\0bar \0", "foo"], |
355 | ['u', 'Z8', "foo\0bar \0", "foo"], |
356 | ) |
357 | { |
358 | my ($what, $template, $in, $out) = @$_; |
359 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
360 | unless (is($got, $out)) { |
0b568b5f |
361 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
362 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
363 | ' not '._qq($got)."\n"; |
0b568b5f |
364 | } |
d99ad34e |
365 | } |
726ea183 |
366 | |
0b568b5f |
367 | # packing native shorts/ints/longs |
726ea183 |
368 | |
0b568b5f |
369 | is(length(pack("s!", 0)), $Config{shortsize}); |
370 | is(length(pack("i!", 0)), $Config{intsize}); |
371 | is(length(pack("l!", 0)), $Config{longsize}); |
372 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
373 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
374 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
375 | |
fa8ec7c1 |
376 | sub numbers { |
377 | my $format = shift; |
378 | return numbers_with_total ($format, undef, @_); |
d99ad34e |
379 | } |
726ea183 |
380 | |
fa8ec7c1 |
381 | sub numbers_with_total { |
382 | my $format = shift; |
383 | my $total = shift; |
384 | if (!defined $total) { |
385 | foreach (@_) { |
386 | $total += $_; |
387 | } |
388 | } |
389 | foreach (@_) { |
0b568b5f |
390 | SKIP: { |
391 | my $out = eval {unpack($format, pack($format, $_))}; |
392 | skip "cannot pack '$format' on this perl", 2 if |
49704364 |
393 | $@ =~ /Invalid type '$format'/; |
0b568b5f |
394 | |
395 | is($@, ''); |
396 | is($out, $_); |
fa8ec7c1 |
397 | } |
fa8ec7c1 |
398 | } |
726ea183 |
399 | |
fa8ec7c1 |
400 | my $skip_if_longer_than = ~0; # "Infinity" |
401 | if (~0 - 1 == ~0) { |
402 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
403 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
404 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
405 | # is using UV maths, and we've only got NVs. |
53133ed1 |
406 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
fa8ec7c1 |
407 | } |
726ea183 |
408 | |
fa8ec7c1 |
409 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
410 | SKIP: { |
411 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
412 | skip "cannot pack '$format' on this perl", 3 |
49704364 |
413 | if $@ =~ /Invalid type '$format'/; |
0b568b5f |
414 | |
415 | is($@, ''); |
416 | ok(defined $sum); |
417 | |
418 | my $len = $_; # Copy, so that we can reassign '' |
419 | $len = 16 unless length $len; |
420 | |
421 | SKIP: { |
422 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
423 | if $len > $skip_if_longer_than; |
424 | |
425 | # Our problem with testing this portably is that the checksum code in |
426 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
427 | # arithmetic in unsigned ints, which perl has no operators to do. |
428 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
429 | # fine with ANSI, but not with most people's assumptions. |
430 | # This is why we need to supply the totals for 'Q' as there's no way in |
431 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
432 | # ** returns NVs; make sure it's IV. |
433 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
434 | my $max_p1 = $max + 1; |
435 | my ($max_is_integer, $max_p1_is_integer); |
436 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
437 | $max_is_integer = 1 if $max - 1 < ~0; |
438 | |
439 | my $calc_sum; |
440 | if (ref $total) { |
441 | $calc_sum = &$total($len); |
442 | } else { |
443 | $calc_sum = $total; |
444 | # Shift into range by some multiple of the total |
445 | my $mult = int ($total / $max_p1); |
446 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
447 | $calc_sum = $total - $mult; |
448 | $calc_sum -= $mult * $max; |
449 | if ($calc_sum < 0) { |
450 | $calc_sum += 1; |
451 | $calc_sum += $max; |
452 | } |
453 | } |
454 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
455 | # we're into floating point (either by getting out of the range of |
456 | # UV arithmetic, or because we're doing a floating point checksum) |
457 | # and our calculation of the checksum has become rounded up to |
458 | # max_checksum + 1 |
459 | $calc_sum = 0; |
460 | } |
461 | |
0dccb3d1 |
462 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
463 | ok ("unpack '%$_$format' gave $sum"); |
0b568b5f |
464 | } else { |
465 | my $delta = 1.000001; |
466 | if ($format =~ tr /dDfF// |
467 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
468 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
469 | } else { |
470 | my $text = ref $total ? &$total($len) : $total; |
471 | fail; |
472 | print "# For list (" . join (", ", @_) . ") (total $text)" |
473 | . " packed with $format unpack '%$_$format' gave $sum," |
474 | . " expected $calc_sum\n"; |
475 | } |
476 | } |
fa8ec7c1 |
477 | } |
0b568b5f |
478 | } |
2e821511 |
479 | } |
480 | } |
481 | |
fa8ec7c1 |
482 | numbers ('c', -128, -1, 0, 1, 127); |
483 | numbers ('C', 0, 1, 127, 128, 255); |
484 | numbers ('s', -32768, -1, 0, 1, 32767); |
485 | numbers ('S', 0, 1, 32767, 32768, 65535); |
486 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
487 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
488 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
489 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
490 | numbers ('s!', -32768, -1, 0, 1, 32767); |
491 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
492 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
493 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
494 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
495 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
496 | numbers ('n', 0, 1, 32767, 32768, 65535); |
497 | numbers ('v', 0, 1, 32767, 32768, 65535); |
498 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
499 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
500 | # All these should have exact binary representations: |
501 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
502 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
503 | ## These don't, but 'd' is NV. XXX wrong, it's double |
504 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
505 | |
506 | numbers_with_total ('q', -1, |
507 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
508 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
509 | # the epxected checksum on any system including those where NVs can preserve |
510 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
511 | # or where rounding is down not up on binary conversion (crays) |
512 | numbers_with_total ('Q', sub { |
513 | my $len = shift; |
514 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
515 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
516 | return 0 if $total == $total - 1; # Overflowed integers |
517 | return $total; # NVs still accurate to nearest integer |
518 | }, |
fa8ec7c1 |
519 | 0, 1,9223372036854775807, 9223372036854775808, |
520 | 18446744073709551615); |
521 | |
522 | # pack nvNV byteorders |
523 | |
0b568b5f |
524 | is(pack("n", 0xdead), "\xde\xad"); |
525 | is(pack("v", 0xdead), "\xad\xde"); |
526 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
527 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
528 | |
fa8ec7c1 |
529 | { |
530 | # / |
531 | |
532 | my ($x, $y, $z); |
533 | eval { ($x) = unpack '/a*','hello' }; |
49704364 |
534 | like($@, qr!'/' must follow a numeric type!); |
72b034c3 |
535 | undef $x; |
536 | eval { $x = unpack '/a*','hello' }; |
49704364 |
537 | like($@, qr!'/' must follow a numeric type!); |
0b568b5f |
538 | |
72b034c3 |
539 | undef $x; |
fa8ec7c1 |
540 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
541 | is($@, ''); |
542 | is($z, 'ok'); |
543 | is($x, 'yes'); |
544 | is($y, 'z'); |
72b034c3 |
545 | undef $z; |
546 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
547 | is($@, ''); |
548 | is($z, 'ok'); |
549 | |
fa8ec7c1 |
550 | |
72b034c3 |
551 | undef $x; |
fa8ec7c1 |
552 | eval { ($x) = pack '/a*','hello' }; |
49704364 |
553 | like($@, qr!Invalid type '/'!); |
72b034c3 |
554 | undef $x; |
555 | eval { $x = pack '/a*','hello' }; |
49704364 |
556 | like($@, qr!Invalid type '/'!); |
fa8ec7c1 |
557 | |
558 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
559 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
560 | is($z, $expect); |
4b5b2118 |
561 | |
72b034c3 |
562 | undef $x; |
b85d93de |
563 | $expect = 'hello world'; |
564 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
565 | is($x, $expect); |
566 | is($@, ''); |
567 | |
72b034c3 |
568 | undef $x; |
b85d93de |
569 | # Doing this in scalar context used to fail. |
570 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
571 | is($@, ''); |
572 | is($x, $expect); |
b85d93de |
573 | |
fa8ec7c1 |
574 | foreach ( |
0b568b5f |
575 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
576 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
577 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
578 | ) |
579 | { |
fa8ec7c1 |
580 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
581 | undef $x; |
fa8ec7c1 |
582 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
583 | is($@, ''); |
584 | is($x, $expect) || |
585 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
586 | encode_list ($x); |
587 | |
72b034c3 |
588 | undef $x; |
b85d93de |
589 | eval { $x = unpack $pat, $in }; |
0b568b5f |
590 | is($@, ''); |
591 | is($x, $expect) || |
592 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
593 | encode_list ($x); |
fa8ec7c1 |
594 | } |
4b5b2118 |
595 | |
0b568b5f |
596 | # / with # |
17f4a12d |
597 | |
72b034c3 |
598 | my $pattern = <<'EOU'; |
17f4a12d |
599 | a3/A # Count in ASCII |
600 | C/a* # Count in a C char |
601 | C/Z # Count in a C char but skip after \0 |
602 | EOU |
17f4a12d |
603 | |
72b034c3 |
604 | $x = $y = $z =undef; |
605 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
606 | is($@, ''); |
607 | is($z, 'ok'); |
608 | is($x, 'yes'); |
609 | is($y, 'z'); |
72b034c3 |
610 | undef $x; |
611 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
612 | is($@, ''); |
613 | is($z, 'ok'); |
0b568b5f |
614 | |
72b034c3 |
615 | $pattern = <<'EOP'; |
17f4a12d |
616 | n/a* # Count as network short |
617 | w/A* # Count a BER integer |
618 | EOP |
fa8ec7c1 |
619 | $expect = "\000\006string\003etc"; |
72b034c3 |
620 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
621 | is($z, $expect); |
fa8ec7c1 |
622 | } |
623 | |
60a99fa7 |
624 | |
625 | SKIP: { |
626 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
627 | |
628 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
629 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
630 | } |
0b568b5f |
631 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
632 | |
0b568b5f |
633 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
634 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
635 | |
636 | # does pack U create Unicode? |
0b568b5f |
637 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
638 | |
639 | # does unpack U deref Unicode? |
0b568b5f |
640 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
641 | |
642 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
643 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
644 | |
645 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
646 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
647 | |
648 | |
649 | SKIP: { |
650 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
651 | |
7eed2ccc |
652 | # does unpack C unravel pack U? |
0b568b5f |
653 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
654 | |
7eed2ccc |
655 | # does pack U0C create Unicode? |
0b568b5f |
656 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
657 | |
7eed2ccc |
658 | # does pack C0U create characters? |
0b568b5f |
659 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
660 | |
2dcec3fe |
661 | # does unpack U0U on byte data warn? |
662 | { |
663 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
664 | my @null = unpack('U0U', chr(255)); |
0b568b5f |
665 | like($@, /^Malformed UTF-8 character /); |
2dcec3fe |
666 | } |
35bcd338 |
667 | } |
668 | |
fa8ec7c1 |
669 | { |
670 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
671 | my (@a); |
672 | # bug - % had to be at the start of the pattern, no leading whitespace or |
673 | # comments. %i! didn't work at all. |
674 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
675 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
676 | @a = unpack $pat, $p; |
0b568b5f |
677 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
678 | @a = scalar unpack $pat, $p; |
0b568b5f |
679 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
680 | } |
681 | |
682 | |
683 | $p = pack 'I*', 42, 12; |
684 | # Multiline patterns in scalar context failed. |
685 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
686 | # On the Ning Nang Nong |
687 | # Where the Cows go Bong! |
688 | # And the Monkeys all say Boo! |
689 | I |
690 | EOPOEMSNIPPET |
0b568b5f |
691 | @a = unpack $pat, $p; |
692 | is(scalar @a, 1); |
693 | is($a[0], 42); |
694 | @a = scalar unpack $pat, $p; |
695 | is(scalar @a, 1); |
696 | is($a[0], 42); |
697 | } |
fa8ec7c1 |
698 | |
699 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
700 | # point, so a pathologically long pattern would wrap at 32 bits. |
701 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
702 | foreach (4,3,2,1,0) { |
703 | my $len = 65534 + $_; |
0b568b5f |
704 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
705 | } |
706 | } |
b85d93de |
707 | |
708 | |
709 | # pack x X @ |
710 | foreach ( |
0b568b5f |
711 | ['x', "N", "\0"], |
712 | ['x4', "N", "\0"x4], |
713 | ['xX', "N", ""], |
714 | ['xXa*', "Nick", "Nick"], |
715 | ['a5Xa5', "cameL", "llama", "camellama"], |
716 | ['@4', 'N', "\0"x4], |
717 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
718 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
719 | ) |
720 | { |
b85d93de |
721 | my ($template, @in) = @$_; |
722 | my $out = pop @in; |
723 | my $got = eval {pack $template, @in}; |
0b568b5f |
724 | is($@, ''); |
725 | is($out, $got) || |
726 | printf "# pack ('$template', %s) gave %s expected %s\n", |
727 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
728 | } |
729 | |
730 | # unpack x X @ |
731 | foreach ( |
0b568b5f |
732 | ['x', "N"], |
733 | ['xX', "N"], |
734 | ['xXa*', "Nick", "Nick"], |
735 | ['a5Xa5', "camellama", "camel", "llama"], |
736 | ['@3', "ice"], |
737 | ['@2a2', "water", "te"], |
738 | ['a*@1a3', "steam", "steam", "tea"], |
739 | ) |
740 | { |
b85d93de |
741 | my ($template, $in, @out) = @$_; |
742 | my @got = eval {unpack $template, $in}; |
0b568b5f |
743 | is($@, ''); |
c8f824eb |
744 | ok (list_eq (\@got, \@out)) || |
9e17a6b8 |
745 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
746 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
747 | |
748 | my $got = eval {unpack $template, $in}; |
0b568b5f |
749 | is($@, ''); |
750 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
751 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
752 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
753 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
754 | } |
d50dd4e4 |
755 | |
756 | { |
d50dd4e4 |
757 | my $t = 'Z*Z*'; |
758 | my ($u, $v) = qw(foo xyzzy); |
759 | my $p = pack($t, $u, $v); |
760 | my @u = unpack($t, $p); |
0b568b5f |
761 | is(scalar @u, 2); |
762 | is($u[0], $u); |
763 | is($u[1], $v); |
d50dd4e4 |
764 | } |
bf80f5a2 |
765 | |
766 | { |
0b568b5f |
767 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
768 | |
0b568b5f |
769 | # "w/a*" should be seen as one unit |
bf80f5a2 |
770 | |
0b568b5f |
771 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
772 | } |
b81060d6 |
773 | |
774 | { |
b81060d6 |
775 | # from Wolfgang Laun: fix in change #13163 |
776 | |
777 | my $s = 'ABC' x 10; |
644d52eb |
778 | my $t = '*'; |
779 | my $x = ord($t); |
b81060d6 |
780 | my $buf = pack( 'Z*/A* C', $s, $x ); |
781 | my $y; |
782 | |
783 | my $h = $buf; |
784 | $h =~ s/[^[:print:]]/./g; |
785 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
786 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
787 | is(length $buf, 34); |
788 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
789 | is($y, $x); |
b81060d6 |
790 | } |
3bf38418 |
791 | |
792 | { |
b223308b |
793 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
794 | |
b223308b |
795 | eval { my $t=unpack("P*", "abc") }; |
49704364 |
796 | like($@, qr/'P' must have an explicit size/); |
3bf38418 |
797 | } |
18529408 |
798 | |
799 | { # Grouping constructs |
800 | my (@a, @b); |
801 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
802 | is("@a", "67 68"); |
803 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
804 | @b = (67..72); |
805 | is("@a", "@b"); |
806 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
807 | is("@a", "@b"); |
808 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
809 | is("@a", "@b"); |
810 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
811 | is("@a", "@b"); |
812 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
813 | is("@a", "@b"); |
814 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
815 | is("@a", "@b"); |
816 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
817 | @b = (67..74); |
818 | is("@a", "@b"); |
819 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
820 | is("@a", "@b"); |
821 | eval { @a = unpack '(*SL)', '' }; |
822 | like($@, qr/\(\)-group starts with a count/); |
823 | eval { @a = unpack '(3SL)', '' }; |
824 | like($@, qr/\(\)-group starts with a count/); |
825 | eval { @a = unpack '([3]SL)', '' }; |
826 | like($@, qr/\(\)-group starts with a count/); |
827 | eval { @a = pack '(*SL)' }; |
828 | like($@, qr/\(\)-group starts with a count/); |
829 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
830 | is("@a", "@b"); |
831 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
832 | is("@a", "@b"); |
833 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
834 | is("@a", "@b"); |
835 | } |
206947d2 |
836 | |
49704364 |
837 | { # more on grouping (W.Laun) |
838 | use warnings; |
839 | my $warning; |
840 | local $SIG{__WARN__} = sub { |
841 | $warning = $_[0]; |
842 | }; |
843 | # @ absolute within ()-group |
844 | my $badc = pack( '(a)*', unpack( '(@1a @0a @2)*', 'abcd' ) ); |
845 | is( $badc, 'badc' ); |
846 | my @b = ( 1, 2, 3 ); |
847 | my $buf = pack( '(@1c)((@2C)@3c)', @b ); |
848 | is( $buf, "\0\1\0\0\2\3" ); |
849 | my @a = unpack( '(@1c)((@2c)@3c)', $buf ); |
850 | is( "@a", "@b" ); |
851 | |
852 | # various unpack count/code scenarios |
853 | my @Env = ( a => 'AAA', b => 'BBB' ); |
854 | my $env = pack( 'S(S/A*S/A*)*', @Env/2, @Env ); |
855 | |
856 | # unpack full length - ok |
857 | my @pup = unpack( 'S/(S/A* S/A*)', $env ); |
858 | is( "@pup", "@Env" ); |
859 | |
860 | # warn when count/code goes beyond end of string |
861 | # \0002 \0001 a \0003 AAA \0001 b \0003 BBB |
862 | # 2 4 5 7 10 1213 |
863 | eval { @pup = unpack( 'S/(S/A* S/A*)', substr( $env, 0, 13 ) ) }; |
864 | like( $@, qr{length/code after end of string} ); |
865 | |
866 | # postfix repeat count |
867 | $env = pack( '(S/A* S/A*)' . @Env/2, @Env ); |
868 | |
869 | # warn when count/code goes beyond end of string |
870 | # \0001 a \0003 AAA \0001 b \0003 BBB |
871 | # 2 3c 5 8 10 11 13 16 |
872 | eval { @pup = unpack( '(S/A* S/A*)' . @Env/2, substr( $env, 0, 11 ) ) }; |
873 | like( $@, qr{length/code after end of string} ); |
874 | |
875 | # catch stack overflow/segfault |
876 | eval { $_ = pack( ('(' x 105) . 'A' . (')' x 105) ); }; |
877 | like( $@, qr{Too deeply nested \(\)-groups} ); |
878 | } |
879 | |
880 | { # syntax checks (W.Laun) |
881 | use warnings; |
882 | my @warning; |
883 | local $SIG{__WARN__} = sub { |
884 | push( @warning, $_[0] ); |
885 | }; |
886 | eval { my $s = pack( 'Ax![4c]A', 1..5 ); }; |
887 | like( $@, qr{Malformed integer in \[\]} ); |
888 | |
889 | eval { my $buf = pack( '(c/*a*)', 'AAA', 'BB' ); }; |
890 | like( $@, qr{'/' does not take a repeat count} ); |
891 | |
892 | eval { my @inf = unpack( 'c/1a', "\x03AAA\x02BB" ); }; |
893 | like( $@, qr{'/' does not take a repeat count} ); |
894 | |
895 | eval { my @inf = unpack( 'c/*a', "\x03AAA\x02BB" ); }; |
896 | like( $@, qr{'/' does not take a repeat count} ); |
897 | |
898 | # white space where possible |
899 | my @Env = ( a => 'AAA', b => 'BBB' ); |
900 | my $env = pack( ' S ( S / A* S / A* )* ', @Env/2, @Env ); |
901 | my @pup = unpack( ' S / ( S / A* S / A* ) ', $env ); |
902 | is( "@pup", "@Env" ); |
903 | |
904 | # white space in 4 wrong places |
905 | for my $temp ( 'A ![4]', 'A [4]', 'A *', 'A 4' ){ |
906 | eval { my $s = pack( $temp, 'B' ); }; |
907 | like( $@, qr{Invalid type } ); |
908 | } |
909 | |
910 | # warning for commas |
911 | @warning = (); |
912 | my $x = pack( 'I,A', 4, 'X' ); |
913 | like( $warning[0], qr{Invalid type ','} ); |
914 | |
915 | # comma warning only once |
916 | @warning = (); |
917 | $x = pack( 'C(C,C)C,C', 65..71 ); |
918 | like( scalar @warning, 1 ); |
919 | |
920 | # forbidden code in [] |
921 | eval { my $x = pack( 'A[@4]', 'XXXX' ); }; |
922 | like( $@, qr{Within \[\]-length '\@' not allowed} ); |
923 | |
924 | # @ repeat default 1 |
925 | my $s = pack( 'AA@A', 'A', 'B', 'C' ); |
926 | my @c = unpack( 'AA@A', $s ); |
927 | is( $s, 'AC' ); |
928 | is( "@c", "A C C" ); |
929 | |
930 | # no unpack code after / |
931 | eval { my @a = unpack( "C/", "\3" ); }; |
932 | like( $@, qr{Code missing after '/'} ); |
933 | |
934 | } |
935 | |
206947d2 |
936 | { # Repeat count [SUBEXPR] |
92d41999 |
937 | 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 |
938 | s! S! i! I! l! L! j J); |
939 | my $G; |
206947d2 |
940 | if (eval { pack 'q', 1 } ) { |
941 | push @codes, qw(q Q); |
942 | } else { |
943 | push @codes, qw(c C); # Keep the count the same |
944 | } |
92d41999 |
945 | if (eval { pack 'D', 1 } ) { |
946 | push @codes, 'D'; |
947 | } else { |
948 | push @codes, 'd'; # Keep the count the same |
949 | } |
206947d2 |
950 | |
951 | my %val; |
952 | @val{@codes} = map { / [Xx] (?{ undef }) |
953 | | [AZa] (?{ 'something' }) |
954 | | C (?{ 214 }) |
955 | | c (?{ 114 }) |
956 | | [Bb] (?{ '101' }) |
957 | | [Hh] (?{ 'b8' }) |
92d41999 |
958 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
959 | | [FfDd] (?{ 1.36514538e67 }) |
960 | | [pP] (?{ "try this buffer" }) |
961 | /x; $^R } @codes; |
962 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
963 | my $end = "N4"; |
964 | |
965 | for my $type (@codes) { |
966 | my @list = $val{$type}; |
967 | @list = () unless defined $list[0]; |
968 | for my $count ('', '3', '[11]') { |
969 | my $c = 1; |
970 | $c = $1 if $count =~ /(\d+)/; |
971 | my @list1 = @list; |
972 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
973 | for my $groupend ('', ')2', ')[8]') { |
974 | my $groupbegin = ($groupend ? '(' : ''); |
975 | $c = 1; |
976 | $c = $1 if $groupend =~ /(\d+)/; |
977 | my @list2 = (@list1) x $c; |
978 | |
979 | my $junk1 = "$groupbegin $type$count $groupend"; |
980 | # print "# junk1=$junk1\n"; |
981 | my $p = pack $junk1, @list2; |
982 | my $half = int( (length $p)/2 ); |
62f95557 |
983 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
206947d2 |
984 | my $junk = "$junk1 $move"; |
62f95557 |
985 | # print "# junk='$junk', list=(@list2)\n"; |
206947d2 |
986 | $p = pack "$junk $end", @list2, @end; |
987 | my @l = unpack "x[$junk] $end", $p; |
988 | is(scalar @l, scalar @end); |
989 | is("@l", "@end", "skipping x[$junk]"); |
990 | } |
991 | } |
992 | } |
993 | } |
994 | } |
995 | |
996 | # / is recognized after spaces in scalar context |
997 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
998 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
999 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
1000 | |
1001 | { # X! and x! |
1002 | my $t = 'C[3] x!8 C[2]'; |
1003 | my @a = (0x73..0x77); |
1004 | my $p = pack($t, @a); |
1005 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
1006 | my @b = unpack $t, $p; |
1007 | is(scalar @b, scalar @a); |
1008 | is("@b", "@a", 'x!8'); |
1009 | $t = 'x[5] C[6] X!8 C[2]'; |
1010 | @a = (0x73..0x7a); |
1011 | $p = pack($t, @a); |
1012 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
1013 | @b = unpack $t, $p; |
1014 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
1015 | is(scalar @b, scalar @a); |
1016 | is("@b", "@a"); |
1017 | } |
1018 | |
1019 | { # struct {char c1; double d; char cc[2];} |
1020 | my $t = 'C x![d] d C[2]'; |
1021 | my @a = (173, 1.283476517e-45, 42, 215); |
1022 | my $p = pack $t, @a; |
1023 | ok( length $p); |
1024 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
1025 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
1026 | $b = "@b"; |
1027 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1028 | is($b, "@a @a"); |
62f95557 |
1029 | |
1030 | my $warning; |
1031 | local $SIG{__WARN__} = sub { |
1032 | $warning = $_[0]; |
1033 | }; |
1034 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; |
1035 | |
1036 | is($warning, undef); |
1037 | is(scalar @b, scalar @a); |
3f7e3417 |
1038 | $b = "@b"; |
1039 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
1040 | is($b, "@a"); |
62f95557 |
1041 | } |
92d41999 |
1042 | |
1043 | is(length(pack("j", 0)), $Config{ivsize}); |
1044 | is(length(pack("J", 0)), $Config{uvsize}); |
1045 | is(length(pack("F", 0)), $Config{nvsize}); |
1046 | |
1047 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); |
1048 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); |
1049 | numbers ('F', -(2**34), -1, 0, 1, 2**34); |
1050 | SKIP: { |
1051 | my $t = eval { unpack("D*", pack("D", 12.34)) }; |
1052 | |
49704364 |
1053 | skip "Long doubles not in use", 56 if $@ =~ /Invalid type/; |
92d41999 |
1054 | |
1055 | is(length(pack("D", 0)), $Config{longdblsize}); |
1056 | numbers ('D', -(2**34), -1, 0, 1, 2**34); |
1057 | } |
1058 | |
c8f824eb |
1059 | # Maybe this knowledge needs to be "global" for all of pack.t |
1060 | # Or a "can checksum" which would effectively be all the number types" |
1061 | my %cant_checksum = map {$_=> 1} qw(A Z u w); |
1062 | # not a b B h H |
1063 | 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)) { |
1064 | SKIP: { |
1065 | my $packed = eval {pack "${template}4", 1, 4, 9, 16}; |
1066 | if ($@) { |
49704364 |
1067 | die unless $@ =~ /Invalid type '$template'/; |
c8f824eb |
1068 | skip ("$template not supported on this perl", |
1069 | $cant_checksum{$template} ? 4 : 8); |
1070 | } |
1071 | my @unpack4 = unpack "${template}4", $packed; |
1072 | my @unpack = unpack "${template}*", $packed; |
1073 | my @unpack1 = unpack "${template}", $packed; |
1074 | my @unpack1s = scalar unpack "${template}", $packed; |
1075 | my @unpack4s = scalar unpack "${template}4", $packed; |
1076 | my @unpacks = scalar unpack "${template}*", $packed; |
1077 | |
1078 | my @tests = ( ["${template}4 vs ${template}*", \@unpack4, \@unpack], |
1079 | ["scalar ${template} ${template}", \@unpack1s, \@unpack1], |
1080 | ["scalar ${template}4 vs ${template}", \@unpack4s, \@unpack1], |
1081 | ["scalar ${template}* vs ${template}", \@unpacks, \@unpack1], |
1082 | ); |
1083 | |
1084 | unless ($cant_checksum{$template}) { |
1085 | my @unpack4_c = unpack "\%${template}4", $packed; |
1086 | my @unpack_c = unpack "\%${template}*", $packed; |
1087 | my @unpack1_c = unpack "\%${template}", $packed; |
1088 | my @unpack1s_c = scalar unpack "\%${template}", $packed; |
1089 | my @unpack4s_c = scalar unpack "\%${template}4", $packed; |
1090 | my @unpacks_c = scalar unpack "\%${template}*", $packed; |
1091 | |
1092 | push @tests, |
1093 | ( ["% ${template}4 vs ${template}*", \@unpack4_c, \@unpack_c], |
1094 | ["% scalar ${template} ${template}", \@unpack1s_c, \@unpack1_c], |
1095 | ["% scalar ${template}4 vs ${template}*", \@unpack4s_c, \@unpack_c], |
1096 | ["% scalar ${template}* vs ${template}*", \@unpacks_c, \@unpack_c], |
1097 | ); |
1098 | } |
1099 | foreach my $test (@tests) { |
1100 | ok (list_eq ($test->[1], $test->[2]), $test->[0]) || |
1101 | printf "# unpack gave %s expected %s\n", |
1102 | encode_list (@{$test->[1]}), encode_list (@{$test->[2]}); |
1103 | } |
1104 | } |
1105 | } |
9c3dc587 |
1106 | |
1107 | ok(pack('u2', 'AA'), "[perl #8026]"); # used to hang and eat RAM in perl 5.7.2 |
1108 | |
fe581ec7 |
1109 | $_ = pack('c', 65); # 'A' would not be EBCDIC-friendly |
1110 | is(unpack('c'), 65, "one-arg unpack (change #18751)"); # defaulting to $_ |
db37a92e |
1111 | |
1112 | { |
1113 | my $a = "X\t01234567\n" x 100; |
1114 | my @a = unpack("(a1 c/a)*", $a); |
1115 | is(scalar @a, 200, "[perl #15288]"); |
1116 | is($a[-1], "01234567\n", "[perl #15288]"); |
1117 | is($a[-2], "X", "[perl #15288]"); |
1118 | } |