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 | |
196b62db |
9 | plan tests => 5625; |
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); |
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); |
fa8ec7c1 |
142 | } |
def98dd4 |
143 | |
0b568b5f |
144 | |
fa8ec7c1 |
145 | { |
196b62db |
146 | # test exceptions |
fa8ec7c1 |
147 | my $x; |
148 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
0b568b5f |
149 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
150 | |
fa8ec7c1 |
151 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
152 | like($@, qr/^Unterminated compressed integer/); |
def98dd4 |
153 | |
fa8ec7c1 |
154 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
0b568b5f |
155 | like($@, qr/^Unterminated compressed integer/); |
fa8ec7c1 |
156 | } |
def98dd4 |
157 | |
84902520 |
158 | # |
159 | # test the "p" template |
160 | |
161 | # literals |
0b568b5f |
162 | is(unpack("p",pack("p","foo")), "foo"); |
84902520 |
163 | |
164 | # scalars |
0b568b5f |
165 | is(unpack("p",pack("p",239)), 239); |
84902520 |
166 | |
167 | # temps |
168 | sub foo { my $a = "a"; return $a . $a++ . $a++ } |
169 | { |
9f1b1f2d |
170 | use warnings; |
0b568b5f |
171 | my $warning; |
84902520 |
172 | local $SIG{__WARN__} = sub { |
0b568b5f |
173 | $warning = $_[0]; |
84902520 |
174 | }; |
175 | my $junk = pack("p", &foo); |
0b568b5f |
176 | |
177 | like($warning, qr/temporary val/); |
84902520 |
178 | } |
179 | |
180 | # undef should give null pointer |
0b568b5f |
181 | like(pack("p", undef), qr/^\0+/); |
84902520 |
182 | |
20408e3c |
183 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
184 | # 4294967295 instead of -1) |
185 | # see #ifdef __osf__ in pp.c pp_unpack |
0b568b5f |
186 | is((unpack("i",pack("i",-1))), -1); |
20408e3c |
187 | |
0b568b5f |
188 | # test the pack lengths of s S i I l L |
189 | # test the pack lengths of n N v V |
fa8ec7c1 |
190 | my @lengths = qw(s 2 S 2 i -4 I -4 l 4 L 4 n 2 N 4 v 2 V 4); |
191 | while (my ($format, $expect) = splice @lengths, 0, 2) { |
192 | my $len = length(pack($format, 0)); |
193 | if ($expect > 0) { |
0b568b5f |
194 | is($expect, $len, "format '$format'"); |
fa8ec7c1 |
195 | } else { |
196 | $expect = -$expect; |
0b568b5f |
197 | ok ($len >= $expect, "format '$format'") || |
198 | print "# format '$format' has length $len, expected >= $expect\n"; |
fa8ec7c1 |
199 | } |
200 | } |
d4217c7e |
201 | |
d4217c7e |
202 | |
0b568b5f |
203 | # test unpack-pack lengths |
204 | my @templates = qw(c C i I s S l L n N v V f d q Q); |
d4217c7e |
205 | |
206 | foreach my $t (@templates) { |
0b568b5f |
207 | SKIP: { |
208 | my @t = eval { unpack("$t*", pack("$t*", 12, 34)) }; |
209 | |
210 | # quads not supported everywhere |
211 | skip "Quads not supported", 4 if $@ =~ /Invalid type in pack/; |
212 | is( $@, '' ); |
213 | |
214 | is(scalar @t, 2); |
3020ec7a |
215 | |
216 | SKIP: { |
217 | skip "$t not expected to work for some reason", 2 if $t =~ /[nv]/i; |
218 | |
0b568b5f |
219 | is($t[0], 12); |
220 | is($t[1], 34); |
221 | } |
0b568b5f |
222 | } |
d4217c7e |
223 | } |
9d116dd7 |
224 | |
fa8ec7c1 |
225 | { |
0b568b5f |
226 | # uuencode/decode |
9d116dd7 |
227 | |
0b568b5f |
228 | # Note that first uuencoding known 'text' data and then checking the |
229 | # binary values of the uuencoded version would not be portable between |
230 | # character sets. Uuencoding is meant for encoding binary data, not |
231 | # text data. |
c4d5f83a |
232 | |
0b568b5f |
233 | my $in = pack 'C*', 0 .. 255; |
ba1ac976 |
234 | |
0b568b5f |
235 | # just to be anal, we do some random tr/`/ / |
236 | my $uu = <<'EOUU'; |
ba1ac976 |
237 | M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL |
9d116dd7 |
238 | M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9 |
239 | M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6& |
240 | MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S |
241 | MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@ |
ba1ac976 |
242 | ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` |
9d116dd7 |
243 | EOUU |
244 | |
0b568b5f |
245 | $_ = $uu; |
246 | tr/ /`/; |
9d116dd7 |
247 | |
0b568b5f |
248 | is(pack('u', $in), $_); |
fa8ec7c1 |
249 | |
0b568b5f |
250 | is(unpack('u', $uu), $in); |
9d116dd7 |
251 | |
0b568b5f |
252 | $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"; |
253 | $uu = <<'EOUU'; |
eddc390b |
254 | M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F |
255 | &8%P:```` |
256 | EOUU |
257 | |
0b568b5f |
258 | is(unpack('u', $uu), $in); |
eddc390b |
259 | |
0b568b5f |
260 | # This is identical to the above except that backquotes have been |
261 | # changed to spaces |
eddc390b |
262 | |
0b568b5f |
263 | $uu = <<'EOUU'; |
eddc390b |
264 | M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F |
c4d5f83a |
265 | &8%P: |
eddc390b |
266 | EOUU |
267 | |
0b568b5f |
268 | # ' # Grr |
269 | is(unpack('u', $uu), $in); |
ef54e1a4 |
270 | |
d99ad34e |
271 | } |
726ea183 |
272 | |
0b568b5f |
273 | # test the ascii template types (A, a, Z) |
726ea183 |
274 | |
fa8ec7c1 |
275 | foreach ( |
0b568b5f |
276 | ['p', 'A*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
277 | ['p', 'A11', "foo\0bar\0 ", "foo\0bar\0 "], |
0b568b5f |
278 | ['u', 'A*', "foo\0bar \0", "foo\0bar"], |
279 | ['u', 'A8', "foo\0bar \0", "foo\0bar"], |
280 | ['p', 'a*', "foo\0bar\0 ", "foo\0bar\0 "], |
fa8ec7c1 |
281 | ['p', 'a11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
282 | ['u', 'a*', "foo\0bar \0", "foo\0bar \0"], |
283 | ['u', 'a8', "foo\0bar \0", "foo\0bar "], |
284 | ['p', 'Z*', "foo\0bar\0 ", "foo\0bar\0 \0"], |
fa8ec7c1 |
285 | ['p', 'Z11', "foo\0bar\0 ", "foo\0bar\0 \0\0"], |
0b568b5f |
286 | ['p', 'Z3', "foo", "fo\0"], |
287 | ['u', 'Z*', "foo\0bar \0", "foo"], |
288 | ['u', 'Z8', "foo\0bar \0", "foo"], |
289 | ) |
290 | { |
291 | my ($what, $template, $in, $out) = @$_; |
292 | my $got = $what eq 'u' ? (unpack $template, $in) : (pack $template, $in); |
293 | unless (is($got, $out)) { |
0b568b5f |
294 | my $un = $what eq 'u' ? 'un' : ''; |
9e17a6b8 |
295 | print "# ${un}pack ('$template', "._qq($in).') gave '._qq($out). |
296 | ' not '._qq($got)."\n"; |
0b568b5f |
297 | } |
d99ad34e |
298 | } |
726ea183 |
299 | |
0b568b5f |
300 | # packing native shorts/ints/longs |
726ea183 |
301 | |
0b568b5f |
302 | is(length(pack("s!", 0)), $Config{shortsize}); |
303 | is(length(pack("i!", 0)), $Config{intsize}); |
304 | is(length(pack("l!", 0)), $Config{longsize}); |
305 | ok(length(pack("s!", 0)) <= length(pack("i!", 0))); |
306 | ok(length(pack("i!", 0)) <= length(pack("l!", 0))); |
307 | is(length(pack("i!", 0)), length(pack("i", 0))); |
726ea183 |
308 | |
fa8ec7c1 |
309 | sub numbers { |
310 | my $format = shift; |
311 | return numbers_with_total ($format, undef, @_); |
d99ad34e |
312 | } |
726ea183 |
313 | |
fa8ec7c1 |
314 | sub numbers_with_total { |
315 | my $format = shift; |
316 | my $total = shift; |
317 | if (!defined $total) { |
318 | foreach (@_) { |
319 | $total += $_; |
320 | } |
321 | } |
322 | foreach (@_) { |
0b568b5f |
323 | SKIP: { |
324 | my $out = eval {unpack($format, pack($format, $_))}; |
325 | skip "cannot pack '$format' on this perl", 2 if |
326 | $@ =~ /Invalid type in pack: '$format'/; |
327 | |
328 | is($@, ''); |
329 | is($out, $_); |
fa8ec7c1 |
330 | } |
fa8ec7c1 |
331 | } |
726ea183 |
332 | |
fa8ec7c1 |
333 | my $skip_if_longer_than = ~0; # "Infinity" |
334 | if (~0 - 1 == ~0) { |
335 | # If we're running with -DNO_PERLPRESERVE_IVUV and NVs don't preserve all |
336 | # UVs (in which case ~0 is NV, ~0-1 will be the same NV) then we can't |
337 | # correctly in perl calculate UV totals for long checksums, as pp_unpack |
338 | # is using UV maths, and we've only got NVs. |
53133ed1 |
339 | $skip_if_longer_than = $Config{nv_preserves_uv_bits}; |
fa8ec7c1 |
340 | } |
726ea183 |
341 | |
fa8ec7c1 |
342 | foreach ('', 1, 2, 3, 15, 16, 17, 31, 32, 33, 53, 54, 63, 64, 65) { |
0b568b5f |
343 | SKIP: { |
344 | my $sum = eval {unpack "%$_$format*", pack "$format*", @_}; |
345 | skip "cannot pack '$format' on this perl", 3 |
346 | if $@ =~ /Invalid type in pack: '$format'/; |
347 | |
348 | is($@, ''); |
349 | ok(defined $sum); |
350 | |
351 | my $len = $_; # Copy, so that we can reassign '' |
352 | $len = 16 unless length $len; |
353 | |
354 | SKIP: { |
355 | skip "cannot test checksums over $skip_if_longer_than bits", 1 |
356 | if $len > $skip_if_longer_than; |
357 | |
358 | # Our problem with testing this portably is that the checksum code in |
359 | # pp_unpack is able to cast signed to unsigned, and do modulo 2**n |
360 | # arithmetic in unsigned ints, which perl has no operators to do. |
361 | # (use integer; does signed ints, which won't wrap on UTS, which is just |
362 | # fine with ANSI, but not with most people's assumptions. |
363 | # This is why we need to supply the totals for 'Q' as there's no way in |
364 | # perl to calculate them, short of unpack '%0Q' (is that documented?) |
365 | # ** returns NVs; make sure it's IV. |
366 | my $max = 1 + 2 * (int (2 ** ($len-1))-1); # The max possible checksum |
367 | my $max_p1 = $max + 1; |
368 | my ($max_is_integer, $max_p1_is_integer); |
369 | $max_p1_is_integer = 1 unless $max_p1 + 1 == $max_p1; |
370 | $max_is_integer = 1 if $max - 1 < ~0; |
371 | |
372 | my $calc_sum; |
373 | if (ref $total) { |
374 | $calc_sum = &$total($len); |
375 | } else { |
376 | $calc_sum = $total; |
377 | # Shift into range by some multiple of the total |
378 | my $mult = int ($total / $max_p1); |
379 | # Need this to make sure that -1 + (~0+1) is ~0 (ie still integer) |
380 | $calc_sum = $total - $mult; |
381 | $calc_sum -= $mult * $max; |
382 | if ($calc_sum < 0) { |
383 | $calc_sum += 1; |
384 | $calc_sum += $max; |
385 | } |
386 | } |
387 | if ($calc_sum == $calc_sum - 1 && $calc_sum == $max_p1) { |
388 | # we're into floating point (either by getting out of the range of |
389 | # UV arithmetic, or because we're doing a floating point checksum) |
390 | # and our calculation of the checksum has become rounded up to |
391 | # max_checksum + 1 |
392 | $calc_sum = 0; |
393 | } |
394 | |
0dccb3d1 |
395 | if ($calc_sum == $sum) { # HAS to be ==, not eq (so no is()). |
396 | ok ("unpack '%$_$format' gave $sum"); |
0b568b5f |
397 | } else { |
398 | my $delta = 1.000001; |
399 | if ($format =~ tr /dDfF// |
400 | && ($calc_sum <= $sum * $delta && $calc_sum >= $sum / $delta)) { |
0dccb3d1 |
401 | pass ("unpack '%$_$format' gave $sum, expected $calc_sum"); |
0b568b5f |
402 | } else { |
403 | my $text = ref $total ? &$total($len) : $total; |
404 | fail; |
405 | print "# For list (" . join (", ", @_) . ") (total $text)" |
406 | . " packed with $format unpack '%$_$format' gave $sum," |
407 | . " expected $calc_sum\n"; |
408 | } |
409 | } |
fa8ec7c1 |
410 | } |
0b568b5f |
411 | } |
2e821511 |
412 | } |
413 | } |
414 | |
fa8ec7c1 |
415 | numbers ('c', -128, -1, 0, 1, 127); |
416 | numbers ('C', 0, 1, 127, 128, 255); |
417 | numbers ('s', -32768, -1, 0, 1, 32767); |
418 | numbers ('S', 0, 1, 32767, 32768, 65535); |
419 | numbers ('i', -2147483648, -1, 0, 1, 2147483647); |
420 | numbers ('I', 0, 1, 2147483647, 2147483648, 4294967295); |
421 | numbers ('l', -2147483648, -1, 0, 1, 2147483647); |
422 | numbers ('L', 0, 1, 2147483647, 2147483648, 4294967295); |
423 | numbers ('s!', -32768, -1, 0, 1, 32767); |
424 | numbers ('S!', 0, 1, 32767, 32768, 65535); |
425 | numbers ('i!', -2147483648, -1, 0, 1, 2147483647); |
426 | numbers ('I!', 0, 1, 2147483647, 2147483648, 4294967295); |
427 | numbers ('l!', -2147483648, -1, 0, 1, 2147483647); |
428 | numbers ('L!', 0, 1, 2147483647, 2147483648, 4294967295); |
429 | numbers ('n', 0, 1, 32767, 32768, 65535); |
430 | numbers ('v', 0, 1, 32767, 32768, 65535); |
431 | numbers ('N', 0, 1, 2147483647, 2147483648, 4294967295); |
432 | numbers ('V', 0, 1, 2147483647, 2147483648, 4294967295); |
433 | # All these should have exact binary representations: |
434 | numbers ('f', -1, 0, 0.5, 42, 2**34); |
b85d93de |
435 | numbers ('d', -(2**34), -1, 0, 1, 2**34); |
436 | ## These don't, but 'd' is NV. XXX wrong, it's double |
437 | #numbers ('d', -1, 0, 1, 1-exp(-1), -exp(1)); |
fa8ec7c1 |
438 | |
439 | numbers_with_total ('q', -1, |
440 | -9223372036854775808, -1, 0, 1,9223372036854775807); |
800e6488 |
441 | # This total is icky, but the true total is 2**65-1, and need a way to generate |
442 | # the epxected checksum on any system including those where NVs can preserve |
443 | # 65 bits. (long double is 128 bits on sparc, so they certainly can) |
444 | # or where rounding is down not up on binary conversion (crays) |
445 | numbers_with_total ('Q', sub { |
446 | my $len = shift; |
447 | $len = 65 if $len > 65; # unmasked total is 2**65-1 here |
448 | my $total = 1 + 2 * (int (2**($len - 1)) - 1); |
449 | return 0 if $total == $total - 1; # Overflowed integers |
450 | return $total; # NVs still accurate to nearest integer |
451 | }, |
fa8ec7c1 |
452 | 0, 1,9223372036854775807, 9223372036854775808, |
453 | 18446744073709551615); |
454 | |
455 | # pack nvNV byteorders |
456 | |
0b568b5f |
457 | is(pack("n", 0xdead), "\xde\xad"); |
458 | is(pack("v", 0xdead), "\xad\xde"); |
459 | is(pack("N", 0xdeadbeef), "\xde\xad\xbe\xef"); |
460 | is(pack("V", 0xdeadbeef), "\xef\xbe\xad\xde"); |
43192e07 |
461 | |
fa8ec7c1 |
462 | { |
463 | # / |
464 | |
465 | my ($x, $y, $z); |
466 | eval { ($x) = unpack '/a*','hello' }; |
0b568b5f |
467 | like($@, qr!/ must follow a numeric type!); |
72b034c3 |
468 | undef $x; |
469 | eval { $x = unpack '/a*','hello' }; |
470 | like($@, qr!/ must follow a numeric type!); |
0b568b5f |
471 | |
72b034c3 |
472 | undef $x; |
fa8ec7c1 |
473 | eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
0b568b5f |
474 | is($@, ''); |
475 | is($z, 'ok'); |
476 | is($x, 'yes'); |
477 | is($y, 'z'); |
72b034c3 |
478 | undef $z; |
479 | eval { $z = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" }; |
480 | is($@, ''); |
481 | is($z, 'ok'); |
482 | |
fa8ec7c1 |
483 | |
72b034c3 |
484 | undef $x; |
fa8ec7c1 |
485 | eval { ($x) = pack '/a*','hello' }; |
0b568b5f |
486 | like($@, qr!Invalid type in pack: '/'!); |
72b034c3 |
487 | undef $x; |
488 | eval { $x = pack '/a*','hello' }; |
489 | like($@, qr!Invalid type in pack: '/'!); |
fa8ec7c1 |
490 | |
491 | $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc'; |
492 | my $expect = "\000\006string\0\0\0\012hi there \000\003etc"; |
0b568b5f |
493 | is($z, $expect); |
4b5b2118 |
494 | |
72b034c3 |
495 | undef $x; |
b85d93de |
496 | $expect = 'hello world'; |
497 | eval { ($x) = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
498 | is($x, $expect); |
499 | is($@, ''); |
500 | |
72b034c3 |
501 | undef $x; |
b85d93de |
502 | # Doing this in scalar context used to fail. |
503 | eval { $x = unpack ("w/a", chr (11) . "hello world!")}; |
0b568b5f |
504 | is($@, ''); |
505 | is($x, $expect); |
b85d93de |
506 | |
fa8ec7c1 |
507 | foreach ( |
0b568b5f |
508 | ['a/a*/a*', '212ab345678901234567','ab3456789012'], |
509 | ['a/a*/a*', '3012ab345678901234567', 'ab3456789012'], |
510 | ['a/a*/b*', '212ab', $Is_EBCDIC ? '100000010100' : '100001100100'], |
511 | ) |
512 | { |
fa8ec7c1 |
513 | my ($pat, $in, $expect) = @$_; |
72b034c3 |
514 | undef $x; |
fa8ec7c1 |
515 | eval { ($x) = unpack $pat, $in }; |
0b568b5f |
516 | is($@, ''); |
517 | is($x, $expect) || |
518 | printf "# list unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
519 | encode_list ($x); |
520 | |
72b034c3 |
521 | undef $x; |
b85d93de |
522 | eval { $x = unpack $pat, $in }; |
0b568b5f |
523 | is($@, ''); |
524 | is($x, $expect) || |
525 | printf "# scalar unpack ('$pat', '$in') gave %s, expected '$expect'\n", |
526 | encode_list ($x); |
fa8ec7c1 |
527 | } |
4b5b2118 |
528 | |
0b568b5f |
529 | # / with # |
17f4a12d |
530 | |
72b034c3 |
531 | my $pattern = <<'EOU'; |
17f4a12d |
532 | a3/A # Count in ASCII |
533 | C/a* # Count in a C char |
534 | C/Z # Count in a C char but skip after \0 |
535 | EOU |
17f4a12d |
536 | |
72b034c3 |
537 | $x = $y = $z =undef; |
538 | eval { ($z,$x,$y) = unpack $pattern, "003ok \003yes\004z\000abc" }; |
0b568b5f |
539 | is($@, ''); |
540 | is($z, 'ok'); |
541 | is($x, 'yes'); |
542 | is($y, 'z'); |
72b034c3 |
543 | undef $x; |
544 | eval { $z = unpack $pattern, "003ok \003yes\004z\000abc" }; |
545 | is($@, ''); |
546 | is($z, 'ok'); |
0b568b5f |
547 | |
72b034c3 |
548 | $pattern = <<'EOP'; |
17f4a12d |
549 | n/a* # Count as network short |
550 | w/A* # Count a BER integer |
551 | EOP |
fa8ec7c1 |
552 | $expect = "\000\006string\003etc"; |
72b034c3 |
553 | $z = pack $pattern,'string','etc'; |
9e17a6b8 |
554 | is($z, $expect); |
fa8ec7c1 |
555 | } |
556 | |
60a99fa7 |
557 | |
558 | SKIP: { |
559 | skip("(EBCDIC and) version strings are bad idea", 2) if $Is_EBCDIC; |
560 | |
561 | is("1.20.300.4000", sprintf "%vd", pack("U*",1,20,300,4000)); |
562 | is("1.20.300.4000", sprintf "%vd", pack(" U*",1,20,300,4000)); |
563 | } |
0b568b5f |
564 | isnt(v1.20.300.4000, sprintf "%vd", pack("C0U*",1,20,300,4000)); |
fa8ec7c1 |
565 | |
0b568b5f |
566 | my $rslt = $Is_EBCDIC ? "156 67" : "199 162"; |
567 | is(join(" ", unpack("C*", chr(0x1e2))), $rslt); |
fa8ec7c1 |
568 | |
569 | # does pack U create Unicode? |
0b568b5f |
570 | is(ord(pack('U', 300)), 300); |
fa8ec7c1 |
571 | |
572 | # does unpack U deref Unicode? |
0b568b5f |
573 | is((unpack('U', chr(300)))[0], 300); |
fa8ec7c1 |
574 | |
575 | # is unpack U the reverse of pack U for Unicode string? |
0b568b5f |
576 | is("@{[unpack('U*', pack('U*', 100, 200, 300))]}", "100 200 300"); |
fa8ec7c1 |
577 | |
578 | # is unpack U the reverse of pack U for byte string? |
0b568b5f |
579 | is("@{[unpack('U*', pack('U*', 100, 200))]}", "100 200"); |
580 | |
581 | |
582 | SKIP: { |
583 | skip "Not for EBCDIC", 4 if $Is_EBCDIC; |
fa8ec7c1 |
584 | |
7eed2ccc |
585 | # does unpack C unravel pack U? |
0b568b5f |
586 | is("@{[unpack('C*', pack('U*', 100, 200))]}", "100 195 136"); |
fa8ec7c1 |
587 | |
7eed2ccc |
588 | # does pack U0C create Unicode? |
0b568b5f |
589 | is("@{[pack('U0C*', 100, 195, 136)]}", v100.v200); |
fa8ec7c1 |
590 | |
7eed2ccc |
591 | # does pack C0U create characters? |
0b568b5f |
592 | is("@{[pack('C0U*', 100, 200)]}", pack("C*", 100, 195, 136)); |
fa8ec7c1 |
593 | |
2dcec3fe |
594 | # does unpack U0U on byte data warn? |
595 | { |
596 | local $SIG{__WARN__} = sub { $@ = "@_" }; |
597 | my @null = unpack('U0U', chr(255)); |
0b568b5f |
598 | like($@, /^Malformed UTF-8 character /); |
2dcec3fe |
599 | } |
35bcd338 |
600 | } |
601 | |
fa8ec7c1 |
602 | { |
603 | my $p = pack 'i*', -2147483648, ~0, 0, 1, 2147483647; |
604 | my (@a); |
605 | # bug - % had to be at the start of the pattern, no leading whitespace or |
606 | # comments. %i! didn't work at all. |
607 | foreach my $pat ('%32i*', ' %32i*', "# Muhahahaha\n%32i*", '%32i* ', |
608 | '%32i!*', ' %32i!*', "\n#\n#\n\r \t\f%32i!*", '%32i!*#') { |
609 | @a = unpack $pat, $p; |
0b568b5f |
610 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
611 | @a = scalar unpack $pat, $p; |
0b568b5f |
612 | is($a[0], 0xFFFFFFFF) || print "# $pat\n"; |
fa8ec7c1 |
613 | } |
614 | |
615 | |
616 | $p = pack 'I*', 42, 12; |
617 | # Multiline patterns in scalar context failed. |
618 | foreach my $pat ('I', <<EOPOEMSNIPPET, 'I#I', 'I # I', 'I # !!!') { |
619 | # On the Ning Nang Nong |
620 | # Where the Cows go Bong! |
621 | # And the Monkeys all say Boo! |
622 | I |
623 | EOPOEMSNIPPET |
0b568b5f |
624 | @a = unpack $pat, $p; |
625 | is(scalar @a, 1); |
626 | is($a[0], 42); |
627 | @a = scalar unpack $pat, $p; |
628 | is(scalar @a, 1); |
629 | is($a[0], 42); |
630 | } |
fa8ec7c1 |
631 | |
632 | # shorts (of all flavours) didn't calculate checksums > 32 bits with floating |
633 | # point, so a pathologically long pattern would wrap at 32 bits. |
634 | my $pat = "\xff\xff"x65538; # Start with it long, to save any copying. |
635 | foreach (4,3,2,1,0) { |
636 | my $len = 65534 + $_; |
0b568b5f |
637 | is(unpack ("%33n$len", $pat), 65535 * $len); |
fa8ec7c1 |
638 | } |
639 | } |
b85d93de |
640 | |
641 | |
642 | # pack x X @ |
643 | foreach ( |
0b568b5f |
644 | ['x', "N", "\0"], |
645 | ['x4', "N", "\0"x4], |
646 | ['xX', "N", ""], |
647 | ['xXa*', "Nick", "Nick"], |
648 | ['a5Xa5', "cameL", "llama", "camellama"], |
649 | ['@4', 'N', "\0"x4], |
650 | ['a*@8a*', 'Camel', 'Dromedary', "Camel\0\0\0Dromedary"], |
651 | ['a*@4a', 'Perl rules', '!', 'Perl!'], |
652 | ) |
653 | { |
b85d93de |
654 | my ($template, @in) = @$_; |
655 | my $out = pop @in; |
656 | my $got = eval {pack $template, @in}; |
0b568b5f |
657 | is($@, ''); |
658 | is($out, $got) || |
659 | printf "# pack ('$template', %s) gave %s expected %s\n", |
660 | encode_list (@in), encode_list ($got), encode_list ($out); |
b85d93de |
661 | } |
662 | |
663 | # unpack x X @ |
664 | foreach ( |
0b568b5f |
665 | ['x', "N"], |
666 | ['xX', "N"], |
667 | ['xXa*', "Nick", "Nick"], |
668 | ['a5Xa5', "camellama", "camel", "llama"], |
669 | ['@3', "ice"], |
670 | ['@2a2', "water", "te"], |
671 | ['a*@1a3', "steam", "steam", "tea"], |
672 | ) |
673 | { |
b85d93de |
674 | my ($template, $in, @out) = @$_; |
675 | my @got = eval {unpack $template, $in}; |
0b568b5f |
676 | is($@, ''); |
677 | list_eq (\@got, \@out) || |
9e17a6b8 |
678 | printf "# list unpack ('$template', %s) gave %s expected %s\n", |
679 | _qq($in), encode_list (@got), encode_list (@out); |
b85d93de |
680 | |
681 | my $got = eval {unpack $template, $in}; |
0b568b5f |
682 | is($@, ''); |
683 | @out ? is( $got, $out[0] ) # 1 or more items; should get first |
684 | : ok( !defined $got ) # 0 items; should get undef |
9e17a6b8 |
685 | or printf "# scalar unpack ('$template', %s) gave %s expected %s\n", |
686 | _qq($in), encode_list ($got), encode_list ($out[0]); |
b85d93de |
687 | } |
d50dd4e4 |
688 | |
689 | { |
d50dd4e4 |
690 | my $t = 'Z*Z*'; |
691 | my ($u, $v) = qw(foo xyzzy); |
692 | my $p = pack($t, $u, $v); |
693 | my @u = unpack($t, $p); |
0b568b5f |
694 | is(scalar @u, 2); |
695 | is($u[0], $u); |
696 | is($u[1], $v); |
d50dd4e4 |
697 | } |
bf80f5a2 |
698 | |
699 | { |
0b568b5f |
700 | is((unpack("w/a*", "\x02abc"))[0], "ab"); |
bf80f5a2 |
701 | |
0b568b5f |
702 | # "w/a*" should be seen as one unit |
bf80f5a2 |
703 | |
0b568b5f |
704 | is(scalar unpack("w/a*", "\x02abc"), "ab"); |
bf80f5a2 |
705 | } |
b81060d6 |
706 | |
707 | { |
b81060d6 |
708 | # from Wolfgang Laun: fix in change #13163 |
709 | |
710 | my $s = 'ABC' x 10; |
644d52eb |
711 | my $t = '*'; |
712 | my $x = ord($t); |
b81060d6 |
713 | my $buf = pack( 'Z*/A* C', $s, $x ); |
714 | my $y; |
715 | |
716 | my $h = $buf; |
717 | $h =~ s/[^[:print:]]/./g; |
718 | ( $s, $y ) = unpack( "Z*/A* C", $buf ); |
644d52eb |
719 | is($h, "30.ABCABCABCABCABCABCABCABCABCABC$t"); |
0b568b5f |
720 | is(length $buf, 34); |
721 | is($s, "ABCABCABCABCABCABCABCABCABCABC"); |
644d52eb |
722 | is($y, $x); |
b81060d6 |
723 | } |
3bf38418 |
724 | |
725 | { |
b223308b |
726 | # from Wolfgang Laun: fix in change #13288 |
3bf38418 |
727 | |
b223308b |
728 | eval { my $t=unpack("P*", "abc") }; |
0b568b5f |
729 | like($@, qr/P must have an explicit size/); |
3bf38418 |
730 | } |
18529408 |
731 | |
732 | { # Grouping constructs |
733 | my (@a, @b); |
734 | @a = unpack '(SL)', pack 'SLSLSL', 67..90; |
735 | is("@a", "67 68"); |
736 | @a = unpack '(SL)3', pack 'SLSLSL', 67..90; |
737 | @b = (67..72); |
738 | is("@a", "@b"); |
739 | @a = unpack '(SL)3', pack 'SLSLSLSL', 67..90; |
740 | is("@a", "@b"); |
741 | @a = unpack '(SL)[3]', pack 'SLSLSLSL', 67..90; |
742 | is("@a", "@b"); |
743 | @a = unpack '(SL)[2] SL', pack 'SLSLSLSL', 67..90; |
744 | is("@a", "@b"); |
745 | @a = unpack 'A/(SL)', pack 'ASLSLSLSL', 3, 67..90; |
746 | is("@a", "@b"); |
747 | @a = unpack 'A/(SL)SL', pack 'ASLSLSLSL', 2, 67..90; |
748 | is("@a", "@b"); |
749 | @a = unpack '(SL)*', pack 'SLSLSLSL', 67..90; |
750 | @b = (67..74); |
751 | is("@a", "@b"); |
752 | @a = unpack '(SL)*SL', pack 'SLSLSLSL', 67..90; |
753 | is("@a", "@b"); |
754 | eval { @a = unpack '(*SL)', '' }; |
755 | like($@, qr/\(\)-group starts with a count/); |
756 | eval { @a = unpack '(3SL)', '' }; |
757 | like($@, qr/\(\)-group starts with a count/); |
758 | eval { @a = unpack '([3]SL)', '' }; |
759 | like($@, qr/\(\)-group starts with a count/); |
760 | eval { @a = pack '(*SL)' }; |
761 | like($@, qr/\(\)-group starts with a count/); |
762 | @a = unpack '(SL)3 SL', pack '(SL)4', 67..74; |
763 | is("@a", "@b"); |
764 | @a = unpack '(SL)3 SL', pack '(SL)[4]', 67..74; |
765 | is("@a", "@b"); |
766 | @a = unpack '(SL)3 SL', pack '(SL)*', 67..74; |
767 | is("@a", "@b"); |
768 | } |
206947d2 |
769 | |
770 | { # Repeat count [SUBEXPR] |
92d41999 |
771 | 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 |
772 | s! S! i! I! l! L! j J); |
773 | my $G; |
206947d2 |
774 | if (eval { pack 'q', 1 } ) { |
775 | push @codes, qw(q Q); |
776 | } else { |
777 | push @codes, qw(c C); # Keep the count the same |
778 | } |
92d41999 |
779 | if (eval { pack 'D', 1 } ) { |
780 | push @codes, 'D'; |
781 | } else { |
782 | push @codes, 'd'; # Keep the count the same |
783 | } |
206947d2 |
784 | |
785 | my %val; |
786 | @val{@codes} = map { / [Xx] (?{ undef }) |
787 | | [AZa] (?{ 'something' }) |
788 | | C (?{ 214 }) |
789 | | c (?{ 114 }) |
790 | | [Bb] (?{ '101' }) |
791 | | [Hh] (?{ 'b8' }) |
92d41999 |
792 | | [svnSiIlVNLqQjJ] (?{ 10111 }) |
206947d2 |
793 | | [FfDd] (?{ 1.36514538e67 }) |
794 | | [pP] (?{ "try this buffer" }) |
795 | /x; $^R } @codes; |
796 | my @end = (0x12345678, 0x23456781, 0x35465768, 0x15263748); |
797 | my $end = "N4"; |
798 | |
799 | for my $type (@codes) { |
800 | my @list = $val{$type}; |
801 | @list = () unless defined $list[0]; |
802 | for my $count ('', '3', '[11]') { |
803 | my $c = 1; |
804 | $c = $1 if $count =~ /(\d+)/; |
805 | my @list1 = @list; |
806 | @list1 = (@list1) x $c unless $type =~ /[XxAaZBbHhP]/; |
807 | for my $groupend ('', ')2', ')[8]') { |
808 | my $groupbegin = ($groupend ? '(' : ''); |
809 | $c = 1; |
810 | $c = $1 if $groupend =~ /(\d+)/; |
811 | my @list2 = (@list1) x $c; |
812 | |
813 | my $junk1 = "$groupbegin $type$count $groupend"; |
814 | # print "# junk1=$junk1\n"; |
815 | my $p = pack $junk1, @list2; |
816 | my $half = int( (length $p)/2 ); |
62f95557 |
817 | for my $move ('', "X$half", "X!$half", 'x1', 'x!8', "x$half") { |
206947d2 |
818 | my $junk = "$junk1 $move"; |
62f95557 |
819 | # print "# junk='$junk', list=(@list2)\n"; |
206947d2 |
820 | $p = pack "$junk $end", @list2, @end; |
821 | my @l = unpack "x[$junk] $end", $p; |
822 | is(scalar @l, scalar @end); |
823 | is("@l", "@end", "skipping x[$junk]"); |
824 | } |
825 | } |
826 | } |
827 | } |
828 | } |
829 | |
830 | # / is recognized after spaces in scalar context |
831 | # XXXX no spaces are allowed in pack... In pack only before the slash... |
832 | is(scalar unpack('A /A Z20', pack 'A/A* Z20', 'bcde', 'xxxxx'), 'bcde'); |
833 | is(scalar unpack('A /A /A Z20', '3004bcde'), 'bcde'); |
62f95557 |
834 | |
835 | { # X! and x! |
836 | my $t = 'C[3] x!8 C[2]'; |
837 | my @a = (0x73..0x77); |
838 | my $p = pack($t, @a); |
839 | is($p, "\x73\x74\x75\0\0\0\0\0\x76\x77"); |
840 | my @b = unpack $t, $p; |
841 | is(scalar @b, scalar @a); |
842 | is("@b", "@a", 'x!8'); |
843 | $t = 'x[5] C[6] X!8 C[2]'; |
844 | @a = (0x73..0x7a); |
845 | $p = pack($t, @a); |
846 | is($p, "\0\0\0\0\0\x73\x74\x75\x79\x7a"); |
847 | @b = unpack $t, $p; |
848 | @a = (0x73..0x75, 0x79, 0x7a, 0x79, 0x7a); |
849 | is(scalar @b, scalar @a); |
850 | is("@b", "@a"); |
851 | } |
852 | |
853 | { # struct {char c1; double d; char cc[2];} |
854 | my $t = 'C x![d] d C[2]'; |
855 | my @a = (173, 1.283476517e-45, 42, 215); |
856 | my $p = pack $t, @a; |
857 | ok( length $p); |
858 | my @b = unpack "$t X[$t] $t", $p; # Extract, step back, extract again |
859 | is(scalar @b, 2 * scalar @a); |
3f7e3417 |
860 | $b = "@b"; |
861 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
862 | is($b, "@a @a"); |
62f95557 |
863 | |
864 | my $warning; |
865 | local $SIG{__WARN__} = sub { |
866 | $warning = $_[0]; |
867 | }; |
868 | @b = unpack "x[C] x[$t] X[$t] X[C] $t", "$p\0"; |
869 | |
870 | is($warning, undef); |
871 | is(scalar @b, scalar @a); |
3f7e3417 |
872 | $b = "@b"; |
873 | $b =~ s/(?:17000+|16999+)\d+(e-45) /17$1 /gi; # stringification is gamble |
874 | is($b, "@a"); |
62f95557 |
875 | } |
92d41999 |
876 | |
877 | is(length(pack("j", 0)), $Config{ivsize}); |
878 | is(length(pack("J", 0)), $Config{uvsize}); |
879 | is(length(pack("F", 0)), $Config{nvsize}); |
880 | |
881 | numbers ('j', -2147483648, -1, 0, 1, 2147483647); |
882 | numbers ('J', 0, 1, 2147483647, 2147483648, 4294967295); |
883 | numbers ('F', -(2**34), -1, 0, 1, 2**34); |
884 | SKIP: { |
885 | my $t = eval { unpack("D*", pack("D", 12.34)) }; |
886 | |
887 | skip "Long doubles not in use", 56 if $@ =~ /Invalid type in pack/; |
888 | |
889 | is(length(pack("D", 0)), $Config{longdblsize}); |
890 | numbers ('D', -(2**34), -1, 0, 1, 2**34); |
891 | } |
892 | |