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-rwxr-xr-xtests/misc/base64104
1 files changed, 88 insertions, 16 deletions
diff --git a/tests/misc/base64 b/tests/misc/base64
index 60332a044..70295fb7f 100755
--- a/tests/misc/base64
+++ b/tests/misc/base64
@@ -2,7 +2,7 @@
# -*- perl -*-
# Exercise base64.
-# Copyright (C) 2006 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2007 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
@@ -37,21 +37,69 @@ use strict;
# Turn off localisation of executable's ouput.
@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
-(my $a39 = 'YWFh' x 13) =~ s/(.{5})/$1\n/g;
+# Return the encoding of a string of N 'a's.
+sub enc($)
+{
+ 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 $s;
+}
my @Tests =
(
['empty', {IN=>''}, {OUT=>""}],
['inout', {IN=>'a'}, {OUT=>"YQ==\n"}],
['wrap', '--wrap 0', {IN=>'foo'}, {OUT=>'Zm9v'}],
- ['wrap5-39', '--wrap=5', {IN=>'a' x 39}, {OUT=>"${a39}\n"}],
- ['wrap5-40', '--wrap=5', {IN=>'a' x 40}, {OUT=>"${a39}YQ=\n=\n"}],
- ['wrap5-41', '--wrap=5', {IN=>'a' x 41}, {OUT=>"${a39}YWE\n=\n"}],
- ['wrap5-42', '--wrap=5', {IN=>'a' x 42}, {OUT=>"${a39}YWF\nh\n"}],
- ['wrap5-43', '--wrap=5', {IN=>'a' x 43}, {OUT=>"${a39}YWF\nhYQ==\n"}],
- ['wrap5-44', '--wrap=5', {IN=>'a' x 44}, {OUT=>"${a39}YWF\nhYWE=\n"}],
- ['wrap5-45', '--wrap=5', {IN=>'a' x 45}, {OUT=>"${a39}YWF\nhYWFh\n"}],
- ['wrap5-46', '--wrap=5', {IN=>'a' x 46}, {OUT=>"${a39}YWF\nhYWFh\nYQ==\n"}],
+ ['wrap5-39', '--wrap=5', {IN=>'a' x 39}, {OUT=>wrap enc(39),5}],
+ ['wrap5-40', '--wrap=5', {IN=>'a' x 40}, {OUT=>wrap enc(40),5}],
+ ['wrap5-41', '--wrap=5', {IN=>'a' x 41}, {OUT=>wrap enc(41),5}],
+ ['wrap5-42', '--wrap=5', {IN=>'a' x 42}, {OUT=>wrap enc(42),5}],
+ ['wrap5-43', '--wrap=5', {IN=>'a' x 43}, {OUT=>wrap enc(43),5}],
+ ['wrap5-44', '--wrap=5', {IN=>'a' x 44}, {OUT=>wrap enc(44),5}],
+ ['wrap5-45', '--wrap=5', {IN=>'a' x 45}, {OUT=>wrap enc(45),5}],
+ ['wrap5-46', '--wrap=5', {IN=>'a' x 46}, {OUT=>wrap enc(46),5}],
+
+ ['buf-1', '--decode', {IN=>enc 1}, {OUT=>'a' x 1}],
+ ['buf-2', '--decode', {IN=>enc 2}, {OUT=>'a' x 2}],
+ ['buf-3', '--decode', {IN=>enc 3}, {OUT=>'a' x 3}],
+ ['buf-4', '--decode', {IN=>enc 4}, {OUT=>'a' x 4}],
+ # 4KB worth of input.
+ ['buf-4k0', '--decode', {IN=>enc 3072+0}, {OUT=>'a' x (3072+0)}],
+ ['buf-4k1', '--decode', {IN=>enc 3072+1}, {OUT=>'a' x (3072+1)}],
+ ['buf-4k2', '--decode', {IN=>enc 3072+2}, {OUT=>'a' x (3072+2)}],
+ ['buf-4k3', '--decode', {IN=>enc 3072+3}, {OUT=>'a' x (3072+3)}],
+ ['buf-4km1','--decode', {IN=>enc 3072-1}, {OUT=>'a' x (3072-1)}],
+ ['buf-4km2','--decode', {IN=>enc 3072-2}, {OUT=>'a' x (3072-2)}],
+ ['buf-4km3','--decode', {IN=>enc 3072-3}, {OUT=>'a' x (3072-3)}],
+ ['buf-4km4','--decode', {IN=>enc 3072-4}, {OUT=>'a' x (3072-4)}],
+
+ # Exercise the case in which the final base-64 byte is
+ # in a buffer all by itself.
+ ['b4k-1', '--decode', {IN=>$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"},
@@ -65,13 +113,18 @@ my @Tests =
);
# For each non-failing test, create a --decode test using the
-# expected output (with newlines removed) as input.
+# expected output as input. Also, add tests inserting newlines.
my @new;
foreach my $t (@Tests)
{
my $exit_val;
my $in;
- my $out;
+ 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'
@@ -80,11 +133,30 @@ foreach my $t (@Tests)
and $exit_val = $e->{EXIT};
defined $e->{IN}
and $in = $e->{IN};
- defined $e->{OUT}
- and ($out = $e->{OUT}) =~ tr/\n//d;
+ 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;
}
- defined $out && ! $exit_val
- and push @new, ["d-$t->[0]", '--decode', {IN => $out}, {OUT => $in}];
}
push @Tests, @new;