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 | |
92d41999 |
9 | plan tests => 5619; |
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, $r) = @_; |
29 | return unless @$l == @$r; |
30 | for my $i (0..$#$l) { |
31 | if (defined $l->[$i]) { |
32 | return unless defined ($r->[$i]) && $l->[$i] eq $r->[$i]; |
33 | } else { |
34 | return if defined $r->[$i] |
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); |
fa8ec7c1 |
125 | } |
def98dd4 |
126 | |
0b568b5f |
127 | |
fa8ec7c1 |
128 | { |
129 | # test exeptions |
130 | my $x; |
131 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
0b568b5f |
132 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
133 | |
fa8ec7c1 |
134 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
135 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
136 | |
fa8ec7c1 |
137 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
138 | like($@, qr/^Unterminated compressed integer/); |
fa8ec7c1 |
139 | } |
def98dd4 |
140 | |
84902520 |
141 | # |
142 | # test the "p" template |
143 | |
144 | # literals |
0b568b5f |
145 | is(unpack("p",pack("p","foo")), "foo"); |
84902520 |
146 | |
147 | # scalars |
0b568b5f |
148 | is(unpack("p",pack("p",239)), 239); |
84902520 |
149 | |
150 | # temps |
151 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
152 | { |
9f1b1f2d |
153 | use warnings; |
0b568b5f |
154 | my $warning; |
84902520 |
155 | local $SIG{__WARN__} = sub { |
0b568b5f |
156 | $warning = $_[0]; |
84902520 |
157 | }; |
158 | my $junk = pack("p", &foo); |
0b568b5f |
159 | |
160 | like($warning, qr/temporary val/); |
84902520 |
161 | } |
162 | |
163 | # undef should give null pointer |
0b568b5f |
164 | like(pack("p", undef), qr/^\0+/); |
84902520 |
165 | |
20408e3c |
166 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
167 | # 4294967295 instead of -1) |
168 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
169 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
170 | |
0b568b5f |
171 | # test the pack lengths of s S i I l L |
172 | # test the pack lengths of n N v V |
fa8ec7c1 |
173 | my @lengths = qw(s 2 S 2 i -4 I -4 l 4 L 4 n 2 N 4 v 2 V 4); |
174 | while (my ($format, $expect) = splice @lengths, 0, 2) { |
175 | my $len = length(pack($format, 0)); |
176 | if ($expect > 0) { |
0b568b5f |
177 | is($expect, $len, "format '$format'"); |
fa8ec7c1 |
178 | } else { |
179 | $expect = -$expect; |
0b568b5f |
180 | ok ($len >= $expect, "format '$format'") || |
181 | print "# format '$format' has length $len, expected >= $expect\n"; |
fa8ec7c1 |
182 | } |
183 | } |
d4217c7e |
184 | |
d4217c7e |
185 | |
0b568b5f |
186 | # test unpack-pack lengths |
187 | my @templates = qw(c C i I s S l L n N v V f d q Q); |
d4217c7e |
188 | |
189 | foreach my $t (@templates) { |
0b568b5f |
190 | SKIP: { |
191 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
192 | |
193 | # quads not supported everywhere |
194 | skip "Quads not supported", 4 if $@ =~ /Invalid type in pack/; |
195 | is( $@, '' ); |
196 | |
197 | is(scalar @t, 2); |
3020ec7a |
198 | |
199 | SKIP: { |
200 | skip "$t not expected to work for some reason", 2 if $t =~ /[nv]/i; |
201 | |
0b568b5f |
202 | is($t[0], 12); |
203 | is($t[1], 34); |
204 | } |
0b568b5f |
205 | } |
d4217c7e |
206 | } |
9d116dd7 |
207 | |
fa8ec7c1 |
208 | { |
0b568b5f |
209 | # uuencode/decode |
9d116dd7 |
210 | |
0b568b5f |
211 | # Note that first uuencoding known 'text' data and then checking the |
212 | # binary values of the uuencoded version would not be portable between |
213 | # character sets. Uuencoding is meant for encoding binary data, not |
214 | # text data. |
c4d5f83a |
215 | |
0b568b5f |
216 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
217 | |
0b568b5f |
218 | # just to be anal, we do some random tr/`/ / |
219 | my $uu = <<'EOUU'; |
ba1ac976 |
220 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
221 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
222 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
223 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
224 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
225 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
226 | EOUU |
227 | |
0b568b5f |
228 | $_ = $uu; |
229 | tr/ /`/; |
9d116dd7 |
230 | |
0b568b5f |
231 | is(pack('u', $in), $_); |
fa8ec7c1 |
232 | |
0b568b5f |
233 | is(unpack('u', $uu), $in); |
9d116dd7 |
234 | |
0b568b5f |
235 | $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"; |
236 | $uu = <<'EOUU'; |
eddc390b |
237 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
238 | &8%P:```` |
239 | EOUU |
240 | |
0b568b5f |
241 | is(unpack('u', $uu), $in); |
eddc390b |
242 | |
0b568b5f |
243 | # This is identical to the above except that backquotes have been |
244 | # changed to spaces |
eddc390b |
245 | |
0b568b5f |
246 | $uu = <<'EOUU'; |
eddc390b |
247 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
248 | &8%P: |
eddc390b |
249 | EOUU |
250 | |
0b568b5f |
251 | # ' # Grr |
252 | is(unpack('u', $uu), $in); |
ef54e1a4 |
253 | |
d99ad34e |
254 | } |
726ea183 |
255 | |
0b568b5f |
256 | # test the ascii template types (A, a, Z) |
726ea183 |
257 | |
fa8ec7c1 |
258 | foreach ( |
0b568b5f |
259 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
260 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
261 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
262 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
263 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
264 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
265 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
266 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
267 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
268 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
269 | ['p', 'Z3', "foo", "fo\0"], |
270 | ['u', 'Z*', "foo\0bar \0", "foo"], |
271 | ['u', 'Z8', "foo\0bar \0", "foo"], |
272 | ) |
273 | { |
274 | my ($what, $template, $in, $out) = @$_; |
275 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
276 | unless (is($got, $out)) { |
0b568b5f |
277 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
278 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
279 | ' not '._qq($got)."\n"; |
0b568b5f |
280 | } |
d99ad34e |
281 | } |
726ea183 |
282 | |
0b568b5f |
283 | # packing native shorts/ints/longs |
726ea183 |
284 | |
0b568b5f |
285 | is(length(pack("s!", 0)), $Config{shortsize}); |
286 | is(length(pack("i!", 0)), $Config{intsize}); |
287 | is(length(pack("l!", 0)), $Config{longsize}); |
288 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
289 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
290 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
291 | |
fa8ec7c1 |
292 | sub numbers { |
293 | my $format = shift; |
294 | return numbers_with_total ($format, undef, @_); |
d99ad34e |
295 | } |
726ea183 |
296 | |
fa8ec7c1 |
297 | sub numbers_with_total { |
298 | my $format = shift; |
299 | my $total = shift; |
300 | if (!defined $total) { |
301 | foreach (@_) { |
302 | $total += $_; |
303 | } |
304 | } |
305 | foreach (@_) { |
0b568b5f |
306 | SKIP: { |
307 | my $out = eval {unpack($format, pack($format, $_))}; |
308 | skip "cannot pack '$format' on this perl", 2 if |
309 | $@ =~ /Invalid type in pack: '$format'/; |
310 | |
311 | is($@, ''); |
312 | is($out, $_); |
fa8ec7c1 |
313 | } |
fa8ec7c1 |
314 | } |
726ea183 |
315 | |
fa8ec7c1 |
316 | my $skip_if_longer_than = ~0; # "Infinity" |
317 | if (~0 - 1 == ~0) { |
318 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
319 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
320 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
321 | # is using UV maths, and we've only got NVs. |
322 | $skip_if_longer_than = $Config{d_nv_preserves_uv_bits}; |
323 | } |
726ea183 |
324 | |
fa8ec7c1 |
325 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
326 | SKIP: { |
327 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
328 | skip "cannot pack '$format' on this perl", 3 |
329 | if $@ =~ /Invalid type in pack: '$format'/; |
330 | |
331 | is($@, ''); |
332 | ok(defined $sum); |
333 | |
334 | my $len = $_; # Copy, so that we can reassign '' |
335 | $len = 16 unless length $len; |
336 | |
337 | SKIP: { |
338 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
339 | if $len > $skip_if_longer_than; |
340 | |
341 | # Our problem with testing this portably is that the checksum code in |
342 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
343 | # arithmetic in unsigned ints, which perl has no operators to do. |
344 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
345 | # fine with ANSI, but not with most people's assumptions. |
346 | # This is why we need to supply the totals for 'Q' as there's no way in |
347 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
348 | # ** returns NVs; make sure it's IV. |
349 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
350 | my $max_p1 = $max + 1; |
351 | my ($max_is_integer, $max_p1_is_integer); |
352 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
353 | $max_is_integer = 1 if $max - 1 < ~0; |
354 | |
355 | my $calc_sum; |
356 | if (ref $total) { |
357 | $calc_sum = &$total($len); |
358 | } else { |
359 | $calc_sum = $total; |
360 | # Shift into range by some multiple of the total |
361 | my $mult = int ($total / $max_p1); |
362 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
363 | $calc_sum = $total - $mult; |
364 | $calc_sum -= $mult * $max; |
365 | if ($calc_sum < 0) { |
366 | $calc_sum += 1; |
367 | $calc_sum += $max; |
368 | } |
369 | } |
370 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
371 | # we're into floating point (either by getting out of the range of |
372 | # UV arithmetic, or because we're doing a floating point checksum) |
373 | # and our calculation of the checksum has become rounded up to |
374 | # max_checksum + 1 |
375 | $calc_sum = 0; |
376 | } |
377 | |
0dccb3d1 |
378 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
379 | ok ("unpack '%$_$format' gave $sum"); |
0b568b5f |
380 | } else { |
381 | my $delta = 1.000001; |
382 | if ($format =~ tr /dDfF// |
383 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
384 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
385 | } else { |
386 | my $text = ref $total ? &$total($len) : $total; |
387 | fail; |
388 | print "# For list (" . join (", ", @_) . ") (total $text)" |
389 | . " packed with $format unpack '%$_$format' gave $sum," |
390 | . " expected $calc_sum\n"; |
391 | } |
392 | } |
fa8ec7c1 |
393 | } |
0b568b5f |
394 | } |
2e821511 |
395 | } |
396 | } |
397 | |
fa8ec7c1 |
398 | numbers ('c', -128, -1, 0, 1, 127); |
399 | numbers ('C', 0, 1, 127, 128, 255); |
400 | numbers ('s', -32768, -1, 0, 1, 32767); |
401 | numbers ('S', 0, 1, 32767, 32768, 65535); |
402 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
403 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
404 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
405 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
406 | numbers ('s!', -32768, -1, 0, 1, 32767); |
407 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
408 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
409 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
410 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
411 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
412 | numbers ('n', 0, 1, 32767, 32768, 65535); |
413 | numbers ('v', 0, 1, 32767, 32768, 65535); |
414 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
415 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
416 | # All these should have exact binary representations: |
417 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
418 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
419 | ## These don't, but 'd' is NV. XXX wrong, it's double |
420 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
421 | |
422 | numbers_with_total ('q', -1, |
423 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
424 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
425 | # the epxected checksum on any system including those where NVs can preserve |
426 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
427 | # or where rounding is down not up on binary conversion (crays) |
428 | numbers_with_total ('Q', sub { |
429 | my $len = shift; |
430 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
431 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
432 | return 0 if $total == $total - 1; # Overflowed integers |
433 | return $total; # NVs still accurate to nearest integer |
434 | }, |
fa8ec7c1 |
435 | 0, 1,9223372036854775807, 9223372036854775808, |
436 | 18446744073709551615); |
437 | |
438 | # pack nvNV byteorders |
439 | |
0b568b5f |
440 | is(pack("n", 0xdead), "\xde\xad"); |
441 | is(pack("v", 0xdead), "\xad\xde"); |
442 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
443 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
444 | |
fa8ec7c1 |
445 | { |
446 | # / |
447 | |
448 | my ($x, $y, $z); |
449 | eval { ($x) = unpack '/a*','hello' }; |
0b568b5f |
450 | like($@, qr!/ must follow a numeric type!); |
72b034c3 |
451 | undef $x; |
452 | eval { $x = unpack '/a*','hello' }; |
453 | like($@, qr!/ must follow a numeric type!); |
0b568b5f |
454 | |
72b034c3 |
455 | undef $x; |
fa8ec7c1 |
456 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
457 | is($@, ''); |
458 | is($z, 'ok'); |
459 | is($x, 'yes'); |
460 | is($y, 'z'); |
72b034c3 |
461 | undef $z; |
462 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
463 | is($@, ''); |
464 | is($z, 'ok'); |
465 | |
fa8ec7c1 |
466 | |
72b034c3 |
467 | undef $x; |
fa8ec7c1 |
468 | eval { ($x) = pack '/a*','hello' }; |
0b568b5f |
469 | like($@, qr!Invalid type in pack: '/'!); |
72b034c3 |
470 | undef $x; |
471 | eval { $x = pack '/a*','hello' }; |
472 | like($@, qr!Invalid type in pack: '/'!); |
fa8ec7c1 |
473 | |
474 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
475 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
476 | is($z, $expect); |
4b5b2118 |
477 | |
72b034c3 |
478 | undef $x; |
b85d93de |
479 | $expect = 'hello world'; |
480 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
481 | is($x, $expect); |
482 | is($@, ''); |
483 | |
72b034c3 |
484 | undef $x; |
b85d93de |
485 | # Doing this in scalar context used to fail. |
486 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
487 | is($@, ''); |
488 | is($x, $expect); |
b85d93de |
489 | |
fa8ec7c1 |
490 | foreach ( |
0b568b5f |
491 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
492 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
493 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
494 | ) |
495 | { |
fa8ec7c1 |
496 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
497 | undef $x; |
fa8ec7c1 |
498 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
499 | is($@, ''); |
500 | is($x, $expect) || |
501 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
502 | encode_list ($x); |
503 | |
72b034c3 |
504 | undef $x; |
b85d93de |
505 | eval { $x = unpack $pat, $in }; |
0b568b5f |
506 | is($@, ''); |
507 | is($x, $expect) || |
508 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
509 | encode_list ($x); |
fa8ec7c1 |
510 | } |
4b5b2118 |
511 | |
0b568b5f |
512 | # / with # |
17f4a12d |
513 | |
72b034c3 |
514 | my $pattern = <<'EOU'; |
17f4a12d |
515 | a3/A # Count in ASCII |
516 | C/a* # Count in a C char |
517 | C/Z # Count in a C char but skip after \0 |
518 | EOU |
17f4a12d |
519 | |
72b034c3 |
520 | $x = $y = $z =undef; |
521 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
522 | is($@, ''); |
523 | is($z, 'ok'); |
524 | is($x, 'yes'); |
525 | is($y, 'z'); |
72b034c3 |
526 | undef $x; |
527 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
528 | is($@, ''); |
529 | is($z, 'ok'); |
0b568b5f |
530 | |
72b034c3 |
531 | $pattern = <<'EOP'; |
17f4a12d |
532 | n/a* # Count as network short |
533 | w/A* # Count a BER integer |
534 | EOP |
fa8ec7c1 |
535 | $expect = "\000\006string\003etc"; |
72b034c3 |
536 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
537 | is($z, $expect); |
fa8ec7c1 |
538 | } |
539 | |
60a99fa7 |
540 | |
541 | SKIP: { |
542 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
543 | |
544 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
545 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
546 | } |
0b568b5f |
547 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
548 | |
0b568b5f |
549 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
550 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
551 | |
552 | # does pack U create Unicode? |
0b568b5f |
553 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
554 | |
555 | # does unpack U deref Unicode? |
0b568b5f |
556 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
557 | |
558 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
559 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
560 | |
561 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
562 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
563 | |
564 | |
565 | SKIP: { |
566 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
567 | |
7eed2ccc |
568 | # does unpack C unravel pack U? |
0b568b5f |
569 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
570 | |
7eed2ccc |
571 | # does pack U0C create Unicode? |
0b568b5f |
572 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
573 | |
7eed2ccc |
574 | # does pack C0U create characters? |
0b568b5f |
575 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
576 | |
2dcec3fe |
577 | # does unpack U0U on byte data warn? |
578 | { |
579 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
580 | my @null = unpack('U0U', chr(255)); |
0b568b5f |
581 | like($@, /^Malformed UTF-8 character /); |
2dcec3fe |
582 | } |
35bcd338 |
583 | } |
584 | |
fa8ec7c1 |
585 | { |
586 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
587 | my (@a); |
588 | # bug - % had to be at the start of the pattern, no leading whitespace or |
589 | # comments. %i! didn't work at all. |
590 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
591 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
592 | @a = unpack $pat, $p; |
0b568b5f |
593 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
594 | @a = scalar unpack $pat, $p; |
0b568b5f |
595 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
596 | } |
597 | |
598 | |
599 | $p = pack 'I*', 42, 12; |
600 | # Multiline patterns in scalar context failed. |
601 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
602 | # On the Ning Nang Nong |
603 | # Where the Cows go Bong! |
604 | # And the Monkeys all say Boo! |
605 | I |
606 | EOPOEMSNIPPET |
0b568b5f |
607 | @a = unpack $pat, $p; |
608 | is(scalar @a, 1); |
609 | is($a[0], 42); |
610 | @a = scalar unpack $pat, $p; |
611 | is(scalar @a, 1); |
612 | is($a[0], 42); |
613 | } |
fa8ec7c1 |
614 | |
615 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
616 | # point, so a pathologically long pattern would wrap at 32 bits. |
617 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
618 | foreach (4,3,2,1,0) { |
619 | my $len = 65534 + $_; |
0b568b5f |
620 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
621 | } |
622 | } |
b85d93de |
623 | |
624 | |
625 | # pack x X @ |
626 | foreach ( |
0b568b5f |
627 | ['x', "N", "\0"], |
628 | ['x4', "N", "\0"x4], |
629 | ['xX', "N", ""], |
630 | ['xXa*', "Nick", "Nick"], |
631 | ['a5Xa5', "cameL", "llama", "camellama"], |
632 | ['@4', 'N', "\0"x4], |
633 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
634 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
635 | ) |
636 | { |
b85d93de |
637 | my ($template, @in) = @$_; |
638 | my $out = pop @in; |
639 | my $got = eval {pack $template, @in}; |
0b568b5f |
640 | is($@, ''); |
641 | is($out, $got) || |
642 | printf "# pack ('$template', %s) gave %s expected %s\n", |
643 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
644 | } |
645 | |
646 | # unpack x X @ |
647 | foreach ( |
0b568b5f |
648 | ['x', "N"], |
649 | ['xX', "N"], |
650 | ['xXa*', "Nick", "Nick"], |
651 | ['a5Xa5', "camellama", "camel", "llama"], |
652 | ['@3', "ice"], |
653 | ['@2a2', "water", "te"], |
654 | ['a*@1a3', "steam", "steam", "tea"], |
655 | ) |
656 | { |
b85d93de |
657 | my ($template, $in, @out) = @$_; |
658 | my @got = eval {unpack $template, $in}; |
0b568b5f |
659 | is($@, ''); |
660 | list_eq (\@got, \@out) || |
9e17a6b8 |
661 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
662 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
663 | |
664 | my $got = eval {unpack $template, $in}; |
0b568b5f |
665 | is($@, ''); |
666 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
667 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
668 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
669 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
670 | } |
d50dd4e4 |
671 | |
672 | { |
d50dd4e4 |
673 | my $t = 'Z*Z*'; |
674 | my ($u, $v) = qw(foo xyzzy); |
675 | my $p = pack($t, $u, $v); |
676 | my @u = unpack($t, $p); |
0b568b5f |
677 | is(scalar @u, 2); |
678 | is($u[0], $u); |
679 | is($u[1], $v); |
d50dd4e4 |
680 | } |
bf80f5a2 |
681 | |
682 | { |
0b568b5f |
683 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
684 | |
0b568b5f |
685 | # "w/a*" should be seen as one unit |
bf80f5a2 |
686 | |
0b568b5f |
687 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
688 | } |
b81060d6 |
689 | |
690 | { |
b81060d6 |
691 | # from Wolfgang Laun: fix in change #13163 |
692 | |
693 | my $s = 'ABC' x 10; |
644d52eb |
694 | my $t = '*'; |
695 | my $x = ord($t); |
b81060d6 |
696 | my $buf = pack( 'Z*/A* C', $s, $x ); |
697 | my $y; |
698 | |
699 | my $h = $buf; |
700 | $h =~ s/[^[:print:]]/./g; |
701 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
702 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
703 | is(length $buf, 34); |
704 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
705 | is($y, $x); |
b81060d6 |
706 | } |
3bf38418 |
707 | |
708 | { |
b223308b |
709 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
710 | |
b223308b |
711 | eval { my $t=unpack("P*", "abc") }; |
0b568b5f |
712 | like($@, qr/P must have an explicit size/); |
3bf38418 |
713 | } |
18529408 |
714 | |
715 | { # Grouping constructs |
716 | my (@a, @b); |
717 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
718 | is("@a", "67 68"); |
719 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
720 | @b = (67..72); |
721 | is("@a", "@b"); |
722 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
723 | is("@a", "@b"); |
724 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
725 | is("@a", "@b"); |
726 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
727 | is("@a", "@b"); |
728 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
729 | is("@a", "@b"); |
730 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
731 | is("@a", "@b"); |
732 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
733 | @b = (67..74); |
734 | is("@a", "@b"); |
735 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
736 | is("@a", "@b"); |
737 | eval { @a = unpack '(*SL)', '' }; |
738 | like($@, qr/\(\)-group starts with a count/); |
739 | eval { @a = unpack '(3SL)', '' }; |
740 | like($@, qr/\(\)-group starts with a count/); |
741 | eval { @a = unpack '([3]SL)', '' }; |
742 | like($@, qr/\(\)-group starts with a count/); |
743 | eval { @a = pack '(*SL)' }; |
744 | like($@, qr/\(\)-group starts with a count/); |
745 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
746 | is("@a", "@b"); |
747 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
748 | is("@a", "@b"); |
749 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
750 | is("@a", "@b"); |
751 | } |
206947d2 |
752 | |
753 | { # Repeat count [SUBEXPR] |
92d41999 |
754 | 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 |
755 | s! S! i! I! l! L! j J); |
756 | my $G; |
206947d2 |
757 | if (eval { pack 'q', 1 } ) { |
758 | push @codes, qw(q Q); |
759 | } else { |
760 | push @codes, qw(c C); # Keep the count the same |
761 | } |
92d41999 |
762 | if (eval { pack 'D', 1 } ) { |
763 | push @codes, 'D'; |
764 | } else { |
765 | push @codes, 'd'; # Keep the count the same |
766 | } |
206947d2 |
767 | |
768 | my %val; |
769 | @val{@codes} = map { / [Xx] (?{ undef }) |
770 | | [AZa] (?{ 'something' }) |
771 | | C (?{ 214 }) |
772 | | c (?{ 114 }) |
773 | | [Bb] (?{ '101' }) |
774 | | [Hh] (?{ 'b8' }) |
92d41999 |
775 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
776 | | [FfDd] (?{ 1.36514538e67 }) |
777 | | [pP] (?{ "try this buffer" }) |
778 | /x; $^R } @codes; |
779 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
780 | my $end = "N4"; |
781 | |
782 | for my $type (@codes) { |
783 | my @list = $val{$type}; |
784 | @list = () unless defined $list[0]; |
785 | for my $count ('', '3', '[11]') { |
786 | my $c = 1; |
787 | $c = $1 if $count =~ /(\d+)/; |
788 | my @list1 = @list; |
789 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
790 | for my $groupend ('', ')2', ')[8]') { |
791 | my $groupbegin = ($groupend ? '(' : ''); |
792 | $c = 1; |
793 | $c = $1 if $groupend =~ /(\d+)/; |
794 | my @list2 = (@list1) x $c; |
795 | |
796 | my $junk1 = "$groupbegin $type$count $groupend"; |
797 | # print "# junk1=$junk1\n"; |
798 | my $p = pack $junk1, @list2; |
799 | my $half = int( (length $p)/2 ); |
62f95557 |
800 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
206947d2 |
801 | my $junk = "$junk1 $move"; |
62f95557 |
802 | # print "# junk='$junk', list=(@list2)\n"; |
206947d2 |
803 | $p = pack "$junk $end", @list2, @end; |
804 | my @l = unpack "x[$junk] $end", $p; |
805 | is(scalar @l, scalar @end); |
806 | is("@l", "@end", "skipping x[$junk]"); |
807 | } |
808 | } |
809 | } |
810 | } |
811 | } |
812 | |
813 | # / is recognized after spaces in scalar context |
814 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
815 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
816 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
817 | |
818 | { # X! and x! |
819 | my $t = 'C[3] x!8 C[2]'; |
820 | my @a = (0x73..0x77); |
821 | my $p = pack($t, @a); |
822 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
823 | my @b = unpack $t, $p; |
824 | is(scalar @b, scalar @a); |
825 | is("@b", "@a", 'x!8'); |
826 | $t = 'x[5] C[6] X!8 C[2]'; |
827 | @a = (0x73..0x7a); |
828 | $p = pack($t, @a); |
829 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
830 | @b = unpack $t, $p; |
831 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
832 | is(scalar @b, scalar @a); |
833 | is("@b", "@a"); |
834 | } |
835 | |
836 | { # struct {char c1; double d; char cc[2];} |
837 | my $t = 'C x![d] d C[2]'; |
838 | my @a = (173, 1.283476517e-45, 42, 215); |
839 | my $p = pack $t, @a; |
840 | ok( length $p); |
841 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
842 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
843 | $b = "@b"; |
844 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
845 | is($b, "@a @a"); |
62f95557 |
846 | |
847 | my $warning; |
848 | local $SIG{__WARN__} = sub { |
849 | $warning = $_[0]; |
850 | }; |
851 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; |
852 | |
853 | is($warning, undef); |
854 | is(scalar @b, scalar @a); |
3f7e3417 |
855 | $b = "@b"; |
856 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
857 | is($b, "@a"); |
62f95557 |
858 | } |
92d41999 |
859 | |
860 | is(length(pack("j", 0)), $Config{ivsize}); |
861 | is(length(pack("J", 0)), $Config{uvsize}); |
862 | is(length(pack("F", 0)), $Config{nvsize}); |
863 | |
864 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); |
865 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); |
866 | numbers ('F', -(2**34), -1, 0, 1, 2**34); |
867 | SKIP: { |
868 | my $t = eval { unpack("D*", pack("D", 12.34)) }; |
869 | |
870 | skip "Long doubles not in use", 56 if $@ =~ /Invalid type in pack/; |
871 | |
872 | is(length(pack("D", 0)), $Config{longdblsize}); |
873 | numbers ('D', -(2**34), -1, 0, 1, 2**34); |
874 | } |
875 | |