6 require Config; import Config;
11 $format = "c2 x5 C C x s d i l a6";
12 # Need the expression in here to force ary[5] to be numeric. This avoids
13 # test2 failing because ary2 goes str->numeric->str and ary doesn't.
14 @ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef");
15 $foo = pack($format,@ary);
16 @ary2 = unpack($format,$foo);
18 print ($#ary == $#ary2 ? "ok 1\n" : "not ok 1\n");
21 $out2=join(':',@ary2);
22 # Using long double NVs may introduce greater accuracy than wanted.
23 $out1 =~ s/:9\.87654321097999\d*:/:9.87654321098:/;
24 $out2 =~ s/:9\.87654321097999\d*:/:9.87654321098:/;
28 print "# out1: $out1\n";
29 print "# out2: $out2\n";
33 print ($foo =~ /def/ ? "ok 3\n" : "not ok 3\n");
35 # How about counting bits?
37 print +($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")) == 16
38 ? "ok 4\n" : "not ok 4 $x\n";
40 print +($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")) == 12
41 ? "ok 5\n" : "not ok 5 $x\n";
43 print +($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")) == 9
44 ? "ok 6\n" : "not ok 6 $x\n";
46 my $sum = 129; # ASCII
47 $sum = 103 if ($Config{ebcdic} eq 'define');
49 print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == $sum
50 ? "ok 7\n" : "not ok 7 $x\n";
52 open(BIN, "./perl") || open(BIN, "./perl.exe")
53 || die "Can't open ../perl or ../perl.exe: $!\n";
54 sysread BIN, $foo, 8192;
57 $sum = unpack("%32b*", $foo);
58 $longway = unpack("b*", $foo);
59 print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n";
61 print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF
62 ? "ok 9\n" : "not ok 9 $x\n";
66 my @x = (5,130,256,560,32000,3097152,268435455,1073741844,
67 '4503599627365785','23728385234614992549757750638446');
68 my $x = pack('w*', @x);
69 my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f848080801487ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e';
71 print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++;
73 @y = unpack('w*', $y);
77 print $a eq $b ? "ok $test\n" : "not ok $test\n$a\n$b\n"; $test++;
80 @y = unpack('w2', $x);
82 print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++;
83 print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++;
86 eval { $x = unpack 'w', pack 'C*', 0xff, 0xff};
87 print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
89 eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff};
90 print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
92 eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
93 print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
96 # test the "p" template
99 print((unpack("p",pack("p","foo")) eq "foo" ? "ok " : "not ok "),$test++,"\n");
102 print((unpack("p",pack("p",$test)) == $test ? "ok " : "not ok "),$test++,"\n");
105 sub foo { my $a = "a"; return $a . $a++ . $a++ }
109 local $SIG{__WARN__} = sub {
110 print "ok ",$test++,"\n" if $_[0] =~ /temporary val/
112 my $junk = pack("p", &foo);
113 print "not ok ", $test++, "\n" if $last == $test;
116 # undef should give null pointer
117 print((pack("p", undef) =~ /^\0+/ ? "ok " : "not ok "),$test++,"\n");
119 # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives
120 # 4294967295 instead of -1)
121 # see #ifdef __osf__ in pp.c pp_unpack
123 print( ((unpack("i",pack("i",-1))) == -1 ? "ok " : "not ok "),$test++,"\n");
125 # 31..36: test the pack lengths of s S i I l L
126 print "not " unless length(pack("s", 0)) == 2;
127 print "ok ", $test++, "\n";
129 print "not " unless length(pack("S", 0)) == 2;
130 print "ok ", $test++, "\n";
132 print "not " unless length(pack("i", 0)) >= 4;
133 print "ok ", $test++, "\n";
135 print "not " unless length(pack("I", 0)) >= 4;
136 print "ok ", $test++, "\n";
138 print "not " unless length(pack("l", 0)) == 4;
139 print "ok ", $test++, "\n";
141 print "not " unless length(pack("L", 0)) == 4;
142 print "ok ", $test++, "\n";
144 # 37..40: test the pack lengths of n N v V
146 print "not " unless length(pack("n", 0)) == 2;
147 print "ok ", $test++, "\n";
149 print "not " unless length(pack("N", 0)) == 4;
150 print "ok ", $test++, "\n";
152 print "not " unless length(pack("v", 0)) == 2;
153 print "ok ", $test++, "\n";
155 print "not " unless length(pack("V", 0)) == 4;
156 print "ok ", $test++, "\n";
158 # 41..56: test unpack-pack lengths
160 my @templates = qw(c C i I s S l L n N v V f d);
162 # quads not supported everywhere: if not, retest floats/doubles
163 # to preserve the test count...
164 eval { my $q = pack("q",0) };
165 push @templates, $@ !~ /Invalid type in pack/ ? qw(q Q) : qw(f d);
167 foreach my $t (@templates) {
168 my @t = unpack("$t*", pack("$t*", 12, 34));
170 unless @t == 2 and (($t[0] == 12 and $t[1] == 34) or ($t =~ /[nv]/i));
171 print "ok ", $test++, "\n";
174 # 57..60: uuencode/decode
176 # Note that first uuencoding known 'text' data and then checking the
177 # binary values of the uuencoded version would not be portable between
178 # character sets. Uuencoding is meant for encoding binary data, not
181 $in = pack 'C*', 0 .. 255;
183 # just to be anal, we do some random tr/`/ /
185 M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL
186 M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9
187 M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6&
188 MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S
189 MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@
190 ?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P `
195 print "not " unless pack('u', $in) eq $_;
196 print "ok ", $test++, "\n";
198 print "not " unless unpack('u', $uu) eq $in;
199 print "ok ", $test++, "\n";
201 $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";
203 M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F
207 print "not " unless unpack('u', $uu) eq $in;
208 print "ok ", $test++, "\n";
210 # 60 identical to 59 except that backquotes have been changed to spaces
213 M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F
217 print "not " unless unpack('u', $uu) eq $in;
218 print "ok ", $test++, "\n";
220 # 61..73: test the ascii template types (A, a, Z)
222 print "not " unless pack('A*', "foo\0bar\0 ") eq "foo\0bar\0 ";
223 print "ok ", $test++, "\n";
225 print "not " unless pack('A11', "foo\0bar\0 ") eq "foo\0bar\0 ";
226 print "ok ", $test++, "\n";
228 print "not " unless unpack('A*', "foo\0bar \0") eq "foo\0bar";
229 print "ok ", $test++, "\n";
231 print "not " unless unpack('A8', "foo\0bar \0") eq "foo\0bar";
232 print "ok ", $test++, "\n";
234 print "not " unless pack('a*', "foo\0bar\0 ") eq "foo\0bar\0 ";
235 print "ok ", $test++, "\n";
237 print "not " unless pack('a11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0";
238 print "ok ", $test++, "\n";
240 print "not " unless unpack('a*', "foo\0bar \0") eq "foo\0bar \0";
241 print "ok ", $test++, "\n";
243 print "not " unless unpack('a8', "foo\0bar \0") eq "foo\0bar ";
244 print "ok ", $test++, "\n";
246 print "not " unless pack('Z*', "foo\0bar\0 ") eq "foo\0bar\0 \0";
247 print "ok ", $test++, "\n";
249 print "not " unless pack('Z11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0";
250 print "ok ", $test++, "\n";
252 print "not " unless pack('Z3', "foo") eq "fo\0";
253 print "ok ", $test++, "\n";
255 print "not " unless unpack('Z*', "foo\0bar \0") eq "foo";
256 print "ok ", $test++, "\n";
258 print "not " unless unpack('Z8', "foo\0bar \0") eq "foo";
259 print "ok ", $test++, "\n";
261 # 74..79: packing native shorts/ints/longs
263 print "not " unless length(pack("s!", 0)) == $Config{shortsize};
264 print "ok ", $test++, "\n";
266 print "not " unless length(pack("i!", 0)) == $Config{intsize};
267 print "ok ", $test++, "\n";
269 print "not " unless length(pack("l!", 0)) == $Config{longsize};
270 print "ok ", $test++, "\n";
272 print "not " unless length(pack("s!", 0)) <= length(pack("i!", 0));
273 print "ok ", $test++, "\n";
275 print "not " unless length(pack("i!", 0)) <= length(pack("l!", 0));
276 print "ok ", $test++, "\n";
278 print "not " unless length(pack("i!", 0)) == length(pack("i", 0));
279 print "ok ", $test++, "\n";
281 # 80..139: pack <-> unpack bijectionism
284 foreach my $c (-128, -1, 0, 1, 127) {
285 print "not " unless unpack("c", pack("c", $c)) == $c;
286 print "ok ", $test++, "\n";
290 foreach my $C (0, 1, 127, 128, 255) {
291 print "not " unless unpack("C", pack("C", $C)) == $C;
292 print "ok ", $test++, "\n";
296 foreach my $s (-32768, -1, 0, 1, 32767) {
297 print "not " unless unpack("s", pack("s", $s)) == $s;
298 print "ok ", $test++, "\n";
302 foreach my $S (0, 1, 32767, 32768, 65535) {
303 print "not " unless unpack("S", pack("S", $S)) == $S;
304 print "ok ", $test++, "\n";
308 foreach my $i (-2147483648, -1, 0, 1, 2147483647) {
309 print "not " unless unpack("i", pack("i", $i)) == $i;
310 print "ok ", $test++, "\n";
314 foreach my $I (0, 1, 2147483647, 2147483648, 4294967295) {
315 print "not " unless unpack("I", pack("I", $I)) == $I;
316 print "ok ", $test++, "\n";
320 foreach my $l (-2147483648, -1, 0, 1, 2147483647) {
321 print "not " unless unpack("l", pack("l", $l)) == $l;
322 print "ok ", $test++, "\n";
326 foreach my $L (0, 1, 2147483647, 2147483648, 4294967295) {
327 print "not " unless unpack("L", pack("L", $L)) == $L;
328 print "ok ", $test++, "\n";
332 foreach my $n (0, 1, 32767, 32768, 65535) {
333 print "not " unless unpack("n", pack("n", $n)) == $n;
334 print "ok ", $test++, "\n";
338 foreach my $v (0, 1, 32767, 32768, 65535) {
339 print "not " unless unpack("v", pack("v", $v)) == $v;
340 print "ok ", $test++, "\n";
344 foreach my $N (0, 1, 2147483647, 2147483648, 4294967295) {
345 print "not " unless unpack("N", pack("N", $N)) == $N;
346 print "ok ", $test++, "\n";
350 foreach my $V (0, 1, 2147483647, 2147483648, 4294967295) {
351 print "not " unless unpack("V", pack("V", $V)) == $V;
352 print "ok ", $test++, "\n";
355 # 140..143: pack nvNV byteorders
357 print "not " unless pack("n", 0xdead) eq "\xde\xad";
358 print "ok ", $test++, "\n";
360 print "not " unless pack("v", 0xdead) eq "\xad\xde";
361 print "ok ", $test++, "\n";
363 print "not " unless pack("N", 0xdeadbeef) eq "\xde\xad\xbe\xef";
364 print "ok ", $test++, "\n";
366 print "not " unless pack("V", 0xdeadbeef) eq "\xef\xbe\xad\xde";
367 print "ok ", $test++, "\n";
372 eval { ($x) = unpack '/a*','hello' };
373 print 'not ' unless $@; print "ok $test\n"; $test++;
374 eval { ($z,$x,$y) = unpack 'a3/A C/a* C/Z', "003ok \003yes\004z\000abc" };
375 print $@ eq '' && $z eq 'ok' ? "ok $test\n" : "not ok $test\n"; $test++;
376 print $@ eq '' && $x eq 'yes' ? "ok $test\n" : "not ok $test\n"; $test++;
377 print $@ eq '' && $y eq 'z' ? "ok $test\n" : "not ok $test\n"; $test++;
379 eval { ($x) = pack '/a*','hello' };
380 print 'not ' unless $@; print "ok $test\n"; $test++;
381 $z = pack 'n/a* N/Z* w/A*','string','hi there ','etc';
382 print 'not ' unless $z eq "\000\006string\0\0\0\012hi there \000\003etc";
383 print "ok $test\n"; $test++;
385 eval { ($x) = unpack 'a/a*/a*', '212ab345678901234567' };
386 print $@ eq '' && $x eq 'ab3456789012' ? "ok $test\n" : "#$x,$@\nnot ok $test\n";
389 eval { ($x) = unpack 'a/a*/a*', '3012ab345678901234567' };
390 print $@ eq '' && $x eq 'ab3456789012' ? "ok $test\n" : "not ok $test\n";
393 eval { ($x) = unpack 'a/a*/b*', '212ab' };
394 my $expected_x = '100001100100';
395 if ($Config{ebcdic} eq 'define') { $expected_x = '100000010100'; }
396 print $@ eq '' && $x eq $expected_x ? "ok $test\n" : "#$x,$@\nnot ok $test\n";
401 eval { ($z,$x,$y) = unpack <<EOU, "003ok \003yes\004z\000abc" };
402 a3/A # Count in ASCII
403 C/a* # Count in a C char
404 C/Z # Count in a C char but skip after \0
406 print $@ eq '' && $z eq 'ok' ? "ok $test\n" : "not ok $test\n"; $test++;
407 print $@ eq '' && $x eq 'yes' ? "ok $test\n" : "not ok $test\n"; $test++;
408 print $@ eq '' && $y eq 'z' ? "ok $test\n" : "not ok $test\n"; $test++;
410 $z = pack <<EOP,'string','etc';
411 n/a* # Count as network short
412 w/A* # Count a BER integer
414 print 'not ' unless $z eq "\000\006string\003etc"; print "ok $test\n"; $test++;
418 print 'not ' unless "1.20.300.4000" eq sprintf "%vd", pack("U*",1,20,300,4000);
419 print "ok $test\n"; $test++;
420 print 'not ' unless "1.20.300.4000" eq
421 sprintf "%vd", pack(" U*",1,20,300,4000);
422 print "ok $test\n"; $test++;
423 print 'not ' unless v1.20.300.4000 ne
424 sprintf "%vd", pack("C0U*",1,20,300,4000);
425 print "ok $test\n"; $test++;
427 # 160: unpack("C") and ord() equivalence for Unicode
429 print "not " unless unpack("C", chr(0x100)) eq ord(chr(0x100)) &&
430 ord(chr(0x100)) == 0x100;
431 print "ok $test\n"; $test++;
433 # 161: use bytes + unpack C == UTF-8 unraveling
437 my @bytes = unpack("C*", pack("U", 0x100));
438 print "not " unless "@bytes" eq "196 128";
439 print "ok $test\n"; $test++;
444 print "not " unless ord(pack("C", 0x100)) == 0x100;
445 print "ok $test\n"; $test++;
447 # 163: pack C > 255 + use bytes == wraparound
452 print "not " unless ord(pack("C", 0x100 + 0xab)) == 0xab;
453 print "ok $test\n"; $test++;