1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
#!/usr/bin/perl
# Exercise base64.
# Copyright (C) 2006-2015 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
(my $program_name = $0) =~ s|.*/||;
# Turn off localization of executable's output.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
# Return the encoding of a string of N 'a's.
sub enc($)
{
my ($n) = @_;
my %remainder = ( 0 => '', 1 => 'YQ==', 2 => 'YWE=' );
return 'YWFh' x ($n / 3) . $remainder{$n % 3};
}
# Construct an encoded string of length 4KB, using 3K "a"s.
my $a3k = enc 3072;
my @a3k_nl;
# A few copies, each with different number of newlines at the start.
for my $k (0..3)
{
(my $t = $a3k) =~ s/^/"\n"x $k/e;
push @a3k_nl, $t;
}
# Return a copy of S, with newlines inserted every WIDTH bytes.
# Ensure that the result (if not the empty string) is newline-terminated.
sub wrap($$)
{
my ($s, $width) = @_;
$s =~ s/(.{$width})/$1\n/g;
substr ($s, -1, 1) ne "\n"
and $s .= "\n";
return $s;
}
my @Tests =
(
['empty', {IN=>''}, {OUT=>""}],
['inout', {IN=>'a'}, {OUT=>"YQ==\n"}],
['wrap', '--wrap 0', {IN=>'foo'}, {OUT=>'Zm9v'}],
['wrap5-39', '--wrap=5', {IN=>'a' x 39}, {OUT=>wrap enc(39),5}],
['wrap5-40', '--wrap=5', {IN=>'a' x 40}, {OUT=>wrap enc(40),5}],
['wrap5-41', '--wrap=5', {IN=>'a' x 41}, {OUT=>wrap enc(41),5}],
['wrap5-42', '--wrap=5', {IN=>'a' x 42}, {OUT=>wrap enc(42),5}],
['wrap5-43', '--wrap=5', {IN=>'a' x 43}, {OUT=>wrap enc(43),5}],
['wrap5-44', '--wrap=5', {IN=>'a' x 44}, {OUT=>wrap enc(44),5}],
['wrap5-45', '--wrap=5', {IN=>'a' x 45}, {OUT=>wrap enc(45),5}],
['wrap5-46', '--wrap=5', {IN=>'a' x 46}, {OUT=>wrap enc(46),5}],
['buf-1', '--decode', {IN=>enc 1}, {OUT=>'a' x 1}],
['buf-2', '--decode', {IN=>enc 2}, {OUT=>'a' x 2}],
['buf-3', '--decode', {IN=>enc 3}, {OUT=>'a' x 3}],
['buf-4', '--decode', {IN=>enc 4}, {OUT=>'a' x 4}],
# 4KB worth of input.
['buf-4k0', '--decode', {IN=>enc 3072+0}, {OUT=>'a' x (3072+0)}],
['buf-4k1', '--decode', {IN=>enc 3072+1}, {OUT=>'a' x (3072+1)}],
['buf-4k2', '--decode', {IN=>enc 3072+2}, {OUT=>'a' x (3072+2)}],
['buf-4k3', '--decode', {IN=>enc 3072+3}, {OUT=>'a' x (3072+3)}],
['buf-4km1','--decode', {IN=>enc 3072-1}, {OUT=>'a' x (3072-1)}],
['buf-4km2','--decode', {IN=>enc 3072-2}, {OUT=>'a' x (3072-2)}],
['buf-4km3','--decode', {IN=>enc 3072-3}, {OUT=>'a' x (3072-3)}],
['buf-4km4','--decode', {IN=>enc 3072-4}, {OUT=>'a' x (3072-4)}],
# Exercise the case in which the final base-64 byte is
# in a buffer all by itself.
['b4k-1', '--decode', {IN=>$a3k_nl[1]}, {OUT=>'a' x (3072+0)}],
['b4k-2', '--decode', {IN=>$a3k_nl[2]}, {OUT=>'a' x (3072+0)}],
['b4k-3', '--decode', {IN=>$a3k_nl[3]}, {OUT=>'a' x (3072+0)}],
['baddecode', '--decode', {IN=>'a'}, {OUT=>""},
{ERR_SUBST => 's/.*: invalid input//'}, {ERR => "\n"}, {EXIT => 1}],
['baddecode2', '--decode', {IN=>'ab'}, {OUT=>"i"},
{ERR_SUBST => 's/.*: invalid input//'}, {ERR => "\n"}, {EXIT => 1}],
['baddecode3', '--decode', {IN=>'Zzz'}, {OUT=>"g<"},
{ERR_SUBST => 's/.*: invalid input//'}, {ERR => "\n"}, {EXIT => 1}],
['baddecode4', '--decode', {IN=>'Zz='}, {OUT=>"g"},
{ERR_SUBST => 's/.*: invalid input//'}, {ERR => "\n"}, {EXIT => 1}],
['baddecode5', '--decode', {IN=>'Z==='}, {OUT=>""},
{ERR_SUBST => 's/.*: invalid input//'}, {ERR => "\n"}, {EXIT => 1}]
);
# For each non-failing test, create a --decode test using the
# expected output as input. Also, add tests inserting newlines.
my @new;
foreach my $t (@Tests)
{
my $exit_val;
my $in;
my @out;
# If the test has a single option of "--decode", then skip it.
!ref $t->[1] && $t->[1] eq '--decode'
and next;
foreach my $e (@$t)
{
ref $e && ref $e eq 'HASH'
or next;
defined $e->{EXIT}
and $exit_val = $e->{EXIT};
defined $e->{IN}
and $in = $e->{IN};
if (defined $e->{OUT})
{
my $t = $e->{OUT};
push @out, $t;
my $len = length $t;
foreach my $i (0..$len)
{
my $u = $t;
substr ($u, $i, 0) = "\n";
push @out, $u;
10 <= $i
and last;
}
}
}
$exit_val
and next;
my $i = 0;
foreach my $o (@out)
{
push @new, ["d$i-$t->[0]", '--decode', {IN => $o}, {OUT => $in}];
++$i;
}
}
push @Tests, @new;
my $save_temps = $ENV{DEBUG};
my $verbose = $ENV{VERBOSE};
my $prog = 'base64';
my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
exit $fail;
|
