Commit | Line | Data |
---|---|---|
a687059c LW |
1 | #!./perl |
2 | ||
79072805 | 3 | # $RCSfile: pack.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:11 $ |
a687059c | 4 | |
d4217c7e | 5 | print "1..56\n"; |
a687059c | 6 | |
bbdab043 | 7 | $format = "c2 x5 C C x s d i l a6"; |
450a55e4 LW |
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; | |
55497cff | 50 | my @x = (5,130,256,560,32000,3097152,268435455,1073741844, |
51 | '4503599627365785','23728385234614992549757750638446'); | |
def98dd4 | 52 | my $x = pack('w*', @x); |
55497cff | 53 | my $y = pack 'H*', '0581028200843081fa0081bd8440ffffff7f848080801487ffffffffffdb19caefe8e1eeeea0c2e1e3e8ede1ee6e'; |
def98dd4 UP |
54 | |
55 | print $x eq $y ? "ok $test\n" : "not ok $test\n"; $test++; | |
56 | ||
57 | @y = unpack('w*', $y); | |
55497cff | 58 | my $a; |
59 | while ($a = pop @x) { | |
60 | my $b = pop @y; | |
61 | print $a eq $b ? "ok $test\n" : "not ok $test\n$a\n$b\n"; $test++; | |
62 | } | |
def98dd4 UP |
63 | |
64 | @y = unpack('w2', $x); | |
65 | ||
66 | print scalar(@y) == 2 ? "ok $test\n" : "not ok $test\n"; $test++; | |
67 | print $y[1] == 130 ? "ok $test\n" : "not ok $test\n"; $test++; | |
68 | ||
55497cff | 69 | # test exeptions |
def98dd4 UP |
70 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff}; |
71 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
72 | ||
73 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff}; | |
74 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
75 | ||
76 | eval { $x = unpack 'w', pack 'C*', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; | |
77 | print $@ ne '' ? "ok $test\n" : "not ok $test\n"; $test++; | |
78 | ||
84902520 TB |
79 | # |
80 | # test the "p" template | |
81 | ||
82 | # literals | |
83 | print((unpack("p",pack("p","foo")) eq "foo" ? "ok " : "not ok "),$test++,"\n"); | |
84 | ||
85 | # scalars | |
86 | print((unpack("p",pack("p",$test)) == $test ? "ok " : "not ok "),$test++,"\n"); | |
87 | ||
88 | # temps | |
89 | sub foo { my $a = "a"; return $a . $a++ . $a++ } | |
90 | { | |
91 | local $^W = 1; | |
92 | my $last = $test; | |
93 | local $SIG{__WARN__} = sub { | |
94 | print "ok ",$test++,"\n" if $_[0] =~ /temporary val/ | |
95 | }; | |
96 | my $junk = pack("p", &foo); | |
97 | print "not ok ", $test++, "\n" if $last == $test; | |
98 | } | |
99 | ||
100 | # undef should give null pointer | |
101 | print((pack("p", undef) =~ /^\0+/ ? "ok " : "not ok "),$test++,"\n"); | |
102 | ||
20408e3c GS |
103 | # Check for optimizer bug (e.g. Digital Unix GEM cc with -O4 on DU V4.0B gives |
104 | # 4294967295 instead of -1) | |
105 | # see #ifdef __osf__ in pp.c pp_unpack | |
106 | # Test 30: | |
107 | print( ((unpack("i",pack("i",-1))) == -1 ? "ok " : "not ok "),$test++,"\n"); | |
108 | ||
d4217c7e JH |
109 | # 31..36: test the pack lengths of s S i I l L |
110 | print "not " unless length(pack("s", 0)) == 2; | |
111 | print "ok ", $test++, "\n"; | |
112 | ||
113 | print "not " unless length(pack("S", 0)) == 2; | |
114 | print "ok ", $test++, "\n"; | |
115 | ||
116 | print "not " unless length(pack("i", 0)) >= 4; | |
117 | print "ok ", $test++, "\n"; | |
118 | ||
119 | print "not " unless length(pack("I", 0)) >= 4; | |
120 | print "ok ", $test++, "\n"; | |
121 | ||
122 | print "not " unless length(pack("l", 0)) == 4; | |
123 | print "ok ", $test++, "\n"; | |
124 | ||
125 | print "not " unless length(pack("L", 0)) == 4; | |
126 | print "ok ", $test++, "\n"; | |
127 | ||
128 | # 37..40: test the pack lengths of n N v V | |
129 | ||
130 | print "not " unless length(pack("n", 0)) == 2; | |
131 | print "ok ", $test++, "\n"; | |
132 | ||
133 | print "not " unless length(pack("N", 0)) == 4; | |
134 | print "ok ", $test++, "\n"; | |
135 | ||
136 | print "not " unless length(pack("v", 0)) == 2; | |
137 | print "ok ", $test++, "\n"; | |
138 | ||
139 | print "not " unless length(pack("V", 0)) == 4; | |
140 | print "ok ", $test++, "\n"; | |
141 | ||
142 | # 41..56: test unpack-pack lengths | |
143 | ||
144 | my @templates = qw(c C i I s S l L n N v V f d); | |
145 | ||
146 | # quads not supported everywhere: if not, retest floats/doubles | |
147 | # to preserve the test count... | |
148 | eval { my $q = pack("q",0) }; | |
149 | push @templates, $@ !~ /Invalid type in pack/ ? qw(q Q) : qw(f d); | |
150 | ||
151 | foreach my $t (@templates) { | |
152 | my @t = unpack("$t*", pack("$t*", 12, 34)); | |
153 | print "not " | |
154 | unless @t == 2 and (($t[0] == 12 and $t[1] == 34) or ($t =~ /[nv]/i)); | |
155 | print "ok ", $test++, "\n"; | |
156 | } |