206 lines
6.1 KiB
Perl
Executable File
206 lines
6.1 KiB
Perl
Executable File
#!./perl
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# $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $
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print "1..60\n";
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$format = "c2 x5 C C x s d i l a6";
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# Need the expression in here to force ary[5] to be numeric. This avoids
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# test2 failing because ary2 goes str->numeric->str and ary doesn't.
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@ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef");
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$foo = pack($format,@ary);
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@ary2 = unpack($format,$foo);
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print ($#ary == $#ary2 ? "ok 1\n" : "not ok 1\n");
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$out1=join(':',@ary);
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$out2=join(':',@ary2);
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print ($out1 eq $out2 ? "ok 2\n" : "not ok 2\n");
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print ($foo =~ /def/ ? "ok 3\n" : "not ok 3\n");
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# How about counting bits?
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print +($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")) == 16
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? "ok 4\n" : "not ok 4 $x\n";
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print +($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")) == 12
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? "ok 5\n" : "not ok 5 $x\n";
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print +($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")) == 9
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? "ok 6\n" : "not ok 6 $x\n";
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my $sum = 129; # ASCII
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$sum = 103 if ($^O eq 'os390'); # An EBCDIC variant.
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print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == $sum
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? "ok 7\n" : "not ok 7 $x\n";
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open(BIN, "./perl") || open(BIN, "./perl.exe")
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|| die "Can't open ../perl or ../perl.exe: $!\n";
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sysread BIN, $foo, 8192;
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close BIN;
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$sum = unpack("%32b*", $foo);
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$longway = unpack("b*", $foo);
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print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n";
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print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF
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? "ok 9\n" : "not ok 9 $x\n";
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# check 'w'
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my $test=10;
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my @x = (5,130,256,560,32000,3097152,268435455,1073741844,
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'4503599627365785','23728385234614992549757750638446');
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my $x = pack('w*', @x);
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my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f848080801487ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e';
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print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++;
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@y = unpack('w*', $y);
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my $a;
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while ($a = pop @x) {
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my $b = pop @y;
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print $a eq $b ? "ok $test\n" : "not ok $test\n$a\n$b\n"; $test++;
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}
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@y = unpack('w2', $x);
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print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++;
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print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++;
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# test exeptions
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eval { $x = unpack 'w', pack 'C*', 0xff, 0xff};
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print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
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eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff};
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print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
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eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
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print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++;
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#
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# test the "p" template
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# literals
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print((unpack("p",pack("p","foo")) eq "foo" ? "ok " : "not ok "),$test++,"\n");
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# scalars
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print((unpack("p",pack("p",$test)) == $test ? "ok " : "not ok "),$test++,"\n");
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# temps
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sub foo { my $a = "a"; return $a . $a++ . $a++ }
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{
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local $^W = 1;
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my $last = $test;
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local $SIG{__WARN__} = sub {
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print "ok ",$test++,"\n" if $_[0] =~ /temporary val/
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};
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my $junk = pack("p", &foo);
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print "not ok ", $test++, "\n" if $last == $test;
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}
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# undef should give null pointer
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print((pack("p", undef) =~ /^\0+/ ? "ok " : "not ok "),$test++,"\n");
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# Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives
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# 4294967295 instead of -1)
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# see #ifdef __osf__ in pp.c pp_unpack
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# Test 30:
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print( ((unpack("i",pack("i",-1))) == -1 ? "ok " : "not ok "),$test++,"\n");
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# 31..36: test the pack lengths of s S i I l L
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print "not " unless length(pack("s", 0)) == 2;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("S", 0)) == 2;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("i", 0)) >= 4;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("I", 0)) >= 4;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("l", 0)) == 4;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("L", 0)) == 4;
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print "ok ", $test++, "\n";
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# 37..40: test the pack lengths of n N v V
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print "not " unless length(pack("n", 0)) == 2;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("N", 0)) == 4;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("v", 0)) == 2;
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print "ok ", $test++, "\n";
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print "not " unless length(pack("V", 0)) == 4;
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print "ok ", $test++, "\n";
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# 41..56: test unpack-pack lengths
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my @templates = qw(c C i I s S l L n N v V f d);
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# quads not supported everywhere: if not, retest floats/doubles
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# to preserve the test count...
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eval { my $q = pack("q",0) };
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push @templates, $@ !~ /Invalid type in pack/ ? qw(q Q) : qw(f d);
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foreach my $t (@templates) {
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my @t = unpack("$t*", pack("$t*", 12, 34));
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print "not "
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unless @t == 2 and (($t[0] == 12 and $t[1] == 34) or ($t =~ /[nv]/i));
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print "ok ", $test++, "\n";
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}
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# 57..60: uuencode/decode
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$in = join "", map { chr } 0..255;
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# just to be anal, we do some random tr/`/ /
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$uu = <<'EOUU';
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M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL
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M+2XO,#$R,S0U-C<X.3H[/#T^/T!!0D-$149'2$E*2TQ-3D]045)35%565UA9
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M6EM<75Y?8&%B8V1E9F=H:6IK;&UN;W!Q<G-T=79W>'EZ>WQ]?G^`@8*#A(6&
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MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S
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MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R<K+S,W.S]#1TM/4U=;7V-G:V]S=WM_@
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?X>+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P `
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EOUU
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$_ = $uu;
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tr/ /`/;
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print "not " unless pack('u', $in) eq $_;
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print "ok ", $test++, "\n";
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print "not " unless unpack('u', $uu) eq $in;
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print "ok ", $test++, "\n";
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$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";
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$uu = <<'EOUU';
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M'XL("%C<Q#4"`TI!4%4`\RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>("`&1F
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&8%P:````
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EOUU
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print "not " unless unpack('u', $uu) eq $in;
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print "ok ", $test++, "\n";
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# 60 identical to 59 except that backquotes have been changed to spaces
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$uu = <<'EOUU';
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M'XL("%C<Q#4" TI!4%4 \RHM+E%(S,LOR4@M4@A(+<I1*"U-SD])+>(" &1F
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&8%P:
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EOUU
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print "not " unless unpack('u', $uu) eq $in;
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print "ok ", $test++, "\n";
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# Note that first uuencoding known 'text' data and then checking the
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# binary values of the uuencoded version would not be portable between
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# character sets. Uuencoding is meant for encoding binary data, not
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# text data.
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