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several new tests needed tweaking to work under utf8
[perl5.git] / t / op / pack.t
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1#!./perl
2
79072805 3# $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $
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eddc390b 5print "1..60\n";
a687059c 6
bbdab043 7$format = "c2 x5 C C x s d i l a6";
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8# Need the expression in here to force ary[5] to be numeric. This avoids
9# test2 failing because ary2 goes str->numeric->str and ary doesn't.
10@ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef");
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11$foo = pack($format,@ary);
12@ary2 = unpack($format,$foo);
13
14print ($#ary == $#ary2 ? "ok 1\n" : "not ok 1\n");
15
16$out1=join(':',@ary);
17$out2=join(':',@ary2);
18print ($out1 eq $out2 ? "ok 2\n" : "not ok 2\n");
19
20print ($foo =~ /def/ ? "ok 3\n" : "not ok 3\n");
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21
22# How about counting bits?
23
24print +($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")) == 16
25 ? "ok 4\n" : "not ok 4 $x\n";
26
27print +($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")) == 12
28 ? "ok 5\n" : "not ok 5 $x\n";
29
30print +($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")) == 9
31 ? "ok 6\n" : "not ok 6 $x\n";
32
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33my $sum = 129; # ASCII
34$sum = 103 if ($^O eq 'os390'); # An EBCDIC variant.
35
36print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == $sum
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37 ? "ok 7\n" : "not ok 7 $x\n";
38
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39open(BIN, "./perl") || open(BIN, "./perl.exe")
40 || die "Can't open ../perl or ../perl.exe: $!\n";
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41sysread BIN, $foo, 8192;
42close BIN;
43
44$sum = unpack("%32b*", $foo);
45$longway = unpack("b*", $foo);
46print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n";
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47
48print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF
49 ? "ok 9\n" : "not ok 9 $x\n";
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50
51# check 'w'
52my $test=10;
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53my @x = (5,130,256,560,32000,3097152,268435455,1073741844,
54 '4503599627365785','23728385234614992549757750638446');
def98dd4 55my $x = pack('w*', @x);
55497cff 56my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f848080801487ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e';
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57
58print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++;
59
60@y = unpack('w*', $y);
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61my $a;
62while ($a = pop @x) {
63 my $b = pop @y;
64 print $a eq $b ? "ok $test\n" : "not ok $test\n$a\n$b\n"; $test++;
65}
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66
67@y = unpack('w2', $x);
68
69print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++;
70print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++;
71
55497cff 72# test exeptions
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73eval { $x = unpack 'w', pack 'C*', 0xff, 0xff};
74print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
75
76eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff};
77print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
78
79eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
80print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
81
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82#
83# test the "p" template
84
85# literals
86print((unpack("p",pack("p","foo")) eq "foo" ? "ok " : "not ok "),$test++,"\n");
87
88# scalars
89print((unpack("p",pack("p",$test)) == $test ? "ok " : "not ok "),$test++,"\n");
90
91# temps
92sub foo { my $a = "a"; return $a . $a++ . $a++ }
93{
94 local $^W = 1;
95 my $last = $test;
96 local $SIG{__WARN__} = sub {
97 print "ok ",$test++,"\n" if $_[0] =~ /temporary val/
98 };
99 my $junk = pack("p", &foo);
100 print "not ok ", $test++, "\n" if $last == $test;
101}
102
103# undef should give null pointer
104print((pack("p", undef) =~ /^\0+/ ? "ok " : "not ok "),$test++,"\n");
105
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106# Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives
107# 4294967295 instead of -1)
108# see #ifdef __osf__ in pp.c pp_unpack
109# Test 30:
110print( ((unpack("i",pack("i",-1))) == -1 ? "ok " : "not ok "),$test++,"\n");
111
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112# 31..36: test the pack lengths of s S i I l L
113print "not " unless length(pack("s", 0)) == 2;
114print "ok ", $test++, "\n";
115
116print "not " unless length(pack("S", 0)) == 2;
117print "ok ", $test++, "\n";
118
119print "not " unless length(pack("i", 0)) >= 4;
120print "ok ", $test++, "\n";
121
122print "not " unless length(pack("I", 0)) >= 4;
123print "ok ", $test++, "\n";
124
125print "not " unless length(pack("l", 0)) == 4;
126print "ok ", $test++, "\n";
127
128print "not " unless length(pack("L", 0)) == 4;
129print "ok ", $test++, "\n";
130
131# 37..40: test the pack lengths of n N v V
132
133print "not " unless length(pack("n", 0)) == 2;
134print "ok ", $test++, "\n";
135
136print "not " unless length(pack("N", 0)) == 4;
137print "ok ", $test++, "\n";
138
139print "not " unless length(pack("v", 0)) == 2;
140print "ok ", $test++, "\n";
141
142print "not " unless length(pack("V", 0)) == 4;
143print "ok ", $test++, "\n";
144
145# 41..56: test unpack-pack lengths
146
147my @templates = qw(c C i I s S l L n N v V f d);
148
149# quads not supported everywhere: if not, retest floats/doubles
150# to preserve the test count...
151eval { my $q = pack("q",0) };
152push @templates, $@ !~ /Invalid type in pack/ ? qw(q Q) : qw(f d);
153
154foreach my $t (@templates) {
155 my @t = unpack("$t*", pack("$t*", 12, 34));
156 print "not "
157 unless @t == 2 and (($t[0] == 12 and $t[1] == 34) or ($t =~ /[nv]/i));
158 print "ok ", $test++, "\n";
159}
9d116dd7 160
eddc390b 161# 57..60: uuencode/decode
9d116dd7 162
342930fb 163$in = pack 'C*', 0 .. 255;
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164
165# just to be anal, we do some random tr/`/ /
9d116dd7 166$uu = <<'EOUU';
ba1ac976 167M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL
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168M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9
169M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6&
170MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S
171MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@
ba1ac976 172?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P `
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173EOUU
174
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175$_ = $uu;
176tr/ /`/;
177print "not " unless pack('u', $in) eq $_;
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178print "ok ", $test++, "\n";
179
180print "not " unless unpack('u', $uu) eq $in;
181print "ok ", $test++, "\n";
182
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183$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";
184$uu = <<'EOUU';
185M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F
186&8%P:````
187EOUU
188
189print "not " unless unpack('u', $uu) eq $in;
190print "ok ", $test++, "\n";
191
192# 60 identical to 59 except that backquotes have been changed to spaces
193
194$uu = <<'EOUU';
195M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F
196&8%P:
197EOUU
198
199print "not " unless unpack('u', $uu) eq $in;
200print "ok ", $test++, "\n";
201
202# Note that first uuencoding known 'text' data and then checking the
203# binary values of the uuencoded version would not be portable between
204# character sets. Uuencoding is meant for encoding binary data, not
205# text data.