1#!./perl 2 3# $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $ 4 5print "1..8\n"; 6 7$format = "c2x5CCxsdila6"; 8# Need the expression in here to force ary[5] to be numeric. This avoids 9# test2 failing because ary2 goes str->numeric->str and ary doesn't. 10@ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef"); 11$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"); 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 $x\n"; 32 33print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == 129 34 ? "ok 7\n" : "not ok 7 $x\n"; 35 36open(BIN, "./perl") || open(BIN, "./perl.exe") 37 || die "Can't open ../perl or ../perl.exe: $!\n"; 38sysread BIN, $foo, 8192; 39close BIN; 40 41$sum = unpack("%32b*", $foo); 42$longway = unpack("b*", $foo); 43print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n"; 44