X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fop%2Fpack.t;h=f1bb62f6b30800d368246be67f0fc347a19311f3;hb=c67712b2e649d3ea6de971bd2e9efe6087948fc1;hp=f15a7033ab12f278c0060f45950bcf37b31070f4;hpb=def98dd40aba563da0d786119bd0fe21f0e88d2e;p=p5sagit%2Fp5-mst-13.2.git diff --git a/t/op/pack.t b/t/op/pack.t index f15a703..f1bb62f 100755 --- a/t/op/pack.t +++ b/t/op/pack.t @@ -1,10 +1,14 @@ #!./perl -# $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $ +BEGIN { + chdir 't' if -d 't'; + unshift @INC, '../lib' if -d '../lib'; + require Config; import Config; +} -print "1..16\n"; +print "1..98\n"; -$format = "c2x5CCxsdila6"; +$format = "c2 x5 C C x s d i l a6"; # Need the expression in here to force ary[5] to be numeric. This avoids # test2 failing because ary2 goes str->numeric->str and ary doesn't. @ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef"); @@ -30,7 +34,10 @@ print +($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")) == 12 print +($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")) == 9 ? "ok 6\n" : "not ok 6 $x\n"; -print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == 129 +my $sum = 129; # ASCII +$sum = 103 if ($Config{ebcdic} eq 'define'); + +print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == $sum ? "ok 7\n" : "not ok 7 $x\n"; open(BIN, "./perl") || open(BIN, "./perl.exe") @@ -47,25 +54,26 @@ print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF # check 'w' my $test=10; -my @x = (5,130,256,560,32000,3097152,268435455,2**30+20, 2**56+4711); +my @x = (5,130,256,560,32000,3097152,268435455,1073741844, + '4503599627365785','23728385234614992549757750638446'); my $x = pack('w*', @x); -my $y = pack 'C*', 5,129,2,130,0,132,48,129,250,0,129,189,132,64,255,255,255, - 127,132,128,128,128,20,129,128,128,128,128,128,128,164,96; +my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f848080801487ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++; @y = unpack('w*', $y); -my $a = join ':', @x; -my $b = join ':', @y; - -print $a eq $b ? "ok $test\n" : "not ok $test\n"; $test++; +my $a; +while ($a = pop @x) { + my $b = pop @y; + print $a eq $b ? "ok $test\n" : "not ok $test\n$a\n$b\n"; $test++; +} @y = unpack('w2', $x); print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++; print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++; -# test exections +# test exeptions eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; @@ -75,3 +83,276 @@ print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; +# +# test the "p" template + +# literals +print((unpack("p",pack("p","foo")) eq "foo" ? "ok " : "not ok "),$test++,"\n"); + +# scalars +print((unpack("p",pack("p",$test)) == $test ? "ok " : "not ok "),$test++,"\n"); + +# temps +sub foo { my $a = "a"; return $a . $a++ . $a++ } +{ + local $^W = 1; + my $last = $test; + local $SIG{__WARN__} = sub { + print "ok ",$test++,"\n" if $_[0] =~ /temporary val/ + }; + my $junk = pack("p", &foo); + print "not ok ", $test++, "\n" if $last == $test; +} + +# undef should give null pointer +print((pack("p", undef) =~ /^\0+/ ? "ok " : "not ok "),$test++,"\n"); + +# Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives +# 4294967295 instead of -1) +# see #ifdef __osf__ in pp.c pp_unpack +# Test 30: +print( ((unpack("i",pack("i",-1))) == -1 ? "ok " : "not ok "),$test++,"\n"); + +# 31..36: test the pack lengths of s S i I l L +print "not " unless length(pack("s", 0)) == 2; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("S", 0)) == 2; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("i", 0)) >= 4; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("I", 0)) >= 4; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("l", 0)) == 4; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("L", 0)) == 4; +print "ok ", $test++, "\n"; + +# 37..40: test the pack lengths of n N v V + +print "not " unless length(pack("n", 0)) == 2; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("N", 0)) == 4; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("v", 0)) == 2; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("V", 0)) == 4; +print "ok ", $test++, "\n"; + +# 41..56: test unpack-pack lengths + +my @templates = qw(c C i I s S l L n N v V f d); + +# quads not supported everywhere: if not, retest floats/doubles +# to preserve the test count... +eval { my $q = pack("q",0) }; +push @templates, $@ !~ /Invalid type in pack/ ? qw(q Q) : qw(f d); + +foreach my $t (@templates) { + my @t = unpack("$t*", pack("$t*", 12, 34)); + print "not " + unless @t == 2 and (($t[0] == 12 and $t[1] == 34) or ($t =~ /[nv]/i)); + print "ok ", $test++, "\n"; +} + +# 57..60: uuencode/decode + +# Note that first uuencoding known 'text' data and then checking the +# binary values of the uuencoded version would not be portable between +# character sets. Uuencoding is meant for encoding binary data, not +# text data. + +$in = pack 'C*', 0 .. 255; + +# just to be anal, we do some random tr/`/ / +$uu = <<'EOUU'; +M` $"`P0%!@<("0H+# T.#Q`1$A,4%187&!D:&QP='A\@(2(C)"4F)R@I*BLL +M+2XO,#$R,S0U-C'EZ>WQ]?G^`@8*#A(6& +MAXB)BHN,C8Z/D)&2DY25EI>8F9J;G)V>GZ"AHJ.DI::GJ*FJJZRMKJ^PL;*S +MM+6VM[BYNKN\O;Z_P,'"P\3%QL?(R+CY.7FY^CIZNOL[>[O\/'R\_3U]O?X^?K[_/W^_P ` +EOUU + +$_ = $uu; +tr/ /`/; +print "not " unless pack('u', $in) eq $_; +print "ok ", $test++, "\n"; + +print "not " unless unpack('u', $uu) eq $in; +print "ok ", $test++, "\n"; + +$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"; +$uu = <<'EOUU'; +M'XL("%C("`&1F +&8%P:```` +EOUU + +print "not " unless unpack('u', $uu) eq $in; +print "ok ", $test++, "\n"; + +# 60 identical to 59 except that backquotes have been changed to spaces + +$uu = <<'EOUU'; +M'XL("%C(" &1F +&8%P: +EOUU + +print "not " unless unpack('u', $uu) eq $in; +print "ok ", $test++, "\n"; + +# 61..72: test the ascii template types (A, a, Z) + +print "not " unless pack('A*', "foo\0bar\0 ") eq "foo\0bar\0 "; +print "ok ", $test++, "\n"; + +print "not " unless pack('A11', "foo\0bar\0 ") eq "foo\0bar\0 "; +print "ok ", $test++, "\n"; + +print "not " unless unpack('A*', "foo\0bar \0") eq "foo\0bar"; +print "ok ", $test++, "\n"; + +print "not " unless unpack('A8', "foo\0bar \0") eq "foo\0bar"; +print "ok ", $test++, "\n"; + +print "not " unless pack('a*', "foo\0bar\0 ") eq "foo\0bar\0 "; +print "ok ", $test++, "\n"; + +print "not " unless pack('a11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0"; +print "ok ", $test++, "\n"; + +print "not " unless unpack('a*', "foo\0bar \0") eq "foo\0bar \0"; +print "ok ", $test++, "\n"; + +print "not " unless unpack('a8', "foo\0bar \0") eq "foo\0bar "; +print "ok ", $test++, "\n"; + +print "not " unless pack('Z*', "foo\0bar\0 ") eq "foo\0bar\0 "; +print "ok ", $test++, "\n"; + +print "not " unless pack('Z11', "foo\0bar\0 ") eq "foo\0bar\0 \0\0"; +print "ok ", $test++, "\n"; + +print "not " unless unpack('Z*', "foo\0bar \0") eq "foo"; +print "ok ", $test++, "\n"; + +print "not " unless unpack('Z8', "foo\0bar \0") eq "foo"; +print "ok ", $test++, "\n"; + +# 73..78: packing native shorts/ints/longs + +print "not " unless length(pack("s_", 0)) == $Config{shortsize}; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("i_", 0)) == $Config{intsize}; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("l_", 0)) == $Config{longsize}; +print "ok ", $test++, "\n"; + +print "not " unless length(pack("s_", 0)) <= length(pack("i_", 0)); +print "ok ", $test++, "\n"; + +print "not " unless length(pack("i_", 0)) <= length(pack("l_", 0)); +print "ok ", $test++, "\n"; + +print "not " unless length(pack("i_", 0)) == length(pack("i", 0)); +print "ok ", $test++, "\n"; + +# 79..94: test the limits + +# Some possibilities for $Config{byteorder} and $Config{.*size}. +# Note that CPUs can feature at several places. +# +# Config +# +# byteorder +# +# 1234 x86, vax, (DEC) mips +# 12345678 alpha +# 4321 sparc, ppc, hppa, (IRIX) mips, motorola +# 87654321 sparc, mips, hppa, cray +# +# x86 alpha sparc cray +# shortsize 2 2 2 8 +# intsize 4 4 4 8 +# longsize 4 8 8 8 +# + +print "not " unless unpack("c", pack("c", 127)) == 127; +print "ok ", $test++, "\n"; + +print "not " unless unpack("c", pack("c", -128)) == -128; +print "ok ", $test++, "\n"; + +print "not " unless unpack("C", pack("C", 255)) == 255; +print "ok ", $test++, "\n"; + +print "not " unless unpack("s", pack("s", 32767)) == 32767; +print "ok ", $test++, "\n"; + +print "not " unless unpack("s", pack("s", -32768)) == -32768; +print "ok ", $test++, "\n"; + +print "not " unless unpack("S", pack("S", 65535)) == 65535; +print "ok ", $test++, "\n"; + +print "not " unless unpack("i", pack("i", 2147483647)) == 2147483647; +print "ok ", $test++, "\n"; + +print "not " unless unpack("i", pack("i", -2147483648)) == -2147483648; +print "ok ", $test++, "\n"; + +print "not " unless unpack("I", pack("I", 4294967295)) == 4294967295; +print "ok ", $test++, "\n"; + +print "not " unless unpack("l", pack("l", 2147483647)) == 2147483647; +print "ok ", $test++, "\n"; + +print "not " unless unpack("l", pack("l", -2147483648)) == -2147483648; +print "ok ", $test++, "\n"; + +print "not " unless unpack("L", pack("L", 4294967295)) == 4294967295; +print "ok ", $test++, "\n"; + +print "not " unless unpack("n", pack("n", 65535)) == 65535; +print "ok ", $test++, "\n"; + +print "not " unless unpack("v", pack("v", 65535)) == 65535; +print "ok ", $test++, "\n"; + +print "not " unless unpack("N", pack("N", 4294967295)) == 4294967295; +print "ok ", $test++, "\n"; + +print "not " unless unpack("V", pack("V", 4294967295)) == 4294967295; +print "ok ", $test++, "\n"; + +# 95..98 test the n/v/N/V byteorder + +if ($Config{byteorder} =~ /^1234(5678)?$/ || + $Config{byteorder} =~ /^(8765)?4321$/) { + + print "not " unless pack("n", 0xdead) eq "\xde\xad"; + print "ok ", $test++, "\n"; + + print "not " unless pack("v", 0xdead) eq "\xad\xde"; + print "ok ", $test++, "\n"; + + print "not " unless pack("N", 0xdeadbeef) eq "\xde\xad\xbe\xef"; + print "ok ", $test++, "\n"; + + print "not " unless pack("V", 0xdeadbeef) eq "\xef\xbe\xad\xde"; + print "ok ", $test++, "\n"; +} else { + # exotic byteorder systems require more thought + foreach (95..98) { + print "ok ", $test++, " # skipped\n"; + } +}