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a687059c LW |
1 | #!./perl |
2 | ||
79072805 | 3 | # $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $ |
a687059c | 4 | |
def98dd4 | 5 | print "1..16\n"; |
a687059c | 6 | |
450a55e4 LW |
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"); | |
a687059c LW |
11 | $foo = pack($format,@ary); |
12 | @ary2 = unpack($format,$foo); | |
13 | ||
14 | print ($#ary == $#ary2 ? "ok 1\n" : "not ok 1\n"); | |
15 | ||
16 | $out1=join(':',@ary); | |
17 | $out2=join(':',@ary2); | |
18 | print ($out1 eq $out2 ? "ok 2\n" : "not ok 2\n"); | |
19 | ||
20 | print ($foo =~ /def/ ? "ok 3\n" : "not ok 3\n"); | |
79072805 LW |
21 | |
22 | # How about counting bits? | |
23 | ||
24 | print +($x = unpack("%32B*", "\001\002\004\010\020\040\100\200\377")) == 16 | |
25 | ? "ok 4\n" : "not ok 4 $x\n"; | |
26 | ||
27 | print +($x = unpack("%32b69", "\001\002\004\010\020\040\100\200\017")) == 12 | |
28 | ? "ok 5\n" : "not ok 5 $x\n"; | |
29 | ||
30 | print +($x = unpack("%32B69", "\001\002\004\010\020\040\100\200\017")) == 9 | |
31 | ? "ok 6\n" : "not ok 6 $x\n"; | |
32 | ||
33 | print +($x = unpack("%32B*", "Now is the time for all good blurfl")) == 129 | |
34 | ? "ok 7\n" : "not ok 7 $x\n"; | |
35 | ||
b8440792 IZ |
36 | open(BIN, "./perl") || open(BIN, "./perl.exe") |
37 | || die "Can't open ../perl or ../perl.exe: $!\n"; | |
79072805 LW |
38 | sysread BIN, $foo, 8192; |
39 | close BIN; | |
40 | ||
41 | $sum = unpack("%32b*", $foo); | |
42 | $longway = unpack("b*", $foo); | |
43 | print $sum == $longway =~ tr/1/1/ ? "ok 8\n" : "not ok 8\n"; | |
73a1c01a KA |
44 | |
45 | print +($x = unpack("I",pack("I", 0xFFFFFFFF))) == 0xFFFFFFFF | |
46 | ? "ok 9\n" : "not ok 9 $x\n"; | |
def98dd4 UP |
47 | |
48 | # check 'w' | |
49 | my $test=10; | |
50 | my @x = (5,130,256,560,32000,3097152,268435455,2**30+20, 2**56+4711); | |
51 | my $x = pack('w*', @x); | |
52 | my $y = pack 'C*', 5,129,2,130,0,132,48,129,250,0,129,189,132,64,255,255,255, | |
53 | 127,132,128,128,128,20,129,128,128,128,128,128,128,164,96; | |
54 | ||
55 | print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++; | |
56 | ||
57 | @y = unpack('w*', $y); | |
58 | my $a = join ':', @x; | |
59 | my $b = join ':', @y; | |
60 | ||
61 | print $a eq $b ? "ok $test\n" : "not ok $test\n"; $test++; | |
62 | ||
63 | @y = unpack('w2', $x); | |
64 | ||
65 | print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++; | |
66 | print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++; | |
67 | ||
68 | # test exections | |
69 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; | |
70 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
71 | ||
72 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; | |
73 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
74 | ||
75 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
76 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
77 |