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Diffstat (limited to 't/081-basic.t')
-rw-r--r-- | t/081-basic.t | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/t/081-basic.t b/t/081-basic.t new file mode 100644 index 0000000..ddff953 --- /dev/null +++ b/t/081-basic.t @@ -0,0 +1,98 @@ +# -*- mode: perl -*- + +## this is the 02basic.t test from Compress::Bzip2 1.03 with no changes +## (except for comments) + +# simple compression/decompression + +use strict; + +use Test::More tests => 208; +use Compress::Bzip2 qw(compress decompress); + + +# globals + +my $Level = 6; +my ($In,$Out) = (0,0); +my @AlNum = ('A'..'Z','a'..'z','0'..'9',' '); + + +# subs + +sub try { + my $str = shift; + my $level = shift || $Level; + my $comp = compress($str,$level); + return 0 if not defined $comp; + my $orig = decompress($comp); + return 0 if not defined $orig; + $In += length $orig; + $Out += length $comp; + return $orig eq $str ? 1 : 0; +} + + +# tests + +# some short strings + +my $sum; +ok(try('', 1),'empty string'); +ok((eval { try(undef) }, $@),'undef fails'); +$sum = 0; +$sum += try($_) for @AlNum; +is($sum,scalar(@AlNum),'alphanumerics'); +ok(try('FOO'),'FOO'); +ok(try('bar'),'bar'); +ok(try(' '),'spaces'); + +# references are supposed to work too + +my $str = 'reference test'; +$sum = 0; +for(1..5) { + $str = \$str; + $sum += try($str); +} +is($sum,5,'reference tests'); + +# random strings + +$sum = 0; +for my $random(1..100) { + my $level = $Level; + $level = 1 if 20 == $random; + $level = 9 if 80 == $random; + my $str = ''; + $str .= $AlNum[rand @AlNum] for 1..rand 100; + $sum += try($str, $level); +} +is($sum,100,'100 random strings'); + +# long strings with repetition + +($In,$Out) = (0,0); +for my $random(1..100) { + my $level = $Level; + $level = 1 if 20 == $random; + $level = 9 if 80 == $random; + my $str = ''; + $str .= ($AlNum[rand @AlNum] x rand 1000) for 1..100+rand 900; + ok(try($str, $level),"long string $random"); +} +#diag(sprintf "compression ratio %.2f%%",100*$Out/$In); + +# binary strings + +($In,$Out) = (0,0); +for my $random(1..100) { + my $level = $Level; + $level = 1 if 20 == $random; + $level = 9 if 80 == $random; + my $str = ''; + $str .= chr(rand 256) for 1..1000+rand 9000; + ok(try($str, $level),"binary string $random"); +} +#diag(sprintf "compression ratio %.2f%%",100*$Out/$In); + |