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perl 5.003_07: pod/perldiag.pod
[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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73a1c01a 5print "1..9\n";
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7$format = "c2x5CCxsdila6";
8# Need the expression in here to force ary[5] to be numeric. This avoids
9# test2 failing because ary2 goes str->numeric->str and ary doesn't.
10@ary = (1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,"abcdef");
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11$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 $x\n";
32
33print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == 129
34 ? "ok 7\n" : "not ok 7 $x\n";
35
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36open(BIN, "./perl") || open(BIN, "./perl.exe")
37 || die "Can't open ../perl or ../perl.exe: $!\n";
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38sysread BIN, $foo, 8192;
39close BIN;
40
41$sum = unpack("%32b*", $foo);
42$longway = unpack("b*", $foo);
43print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n";
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44
45print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF
46 ? "ok 9\n" : "not ok 9 $x\n";