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|
#!./perl
use strict;
use warnings;
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
unless (find PerlIO::Layer 'perlio') {
print "1..0 # Skip: not perlio\n";
exit 0;
}
}
my $tmp = "via$$";
use Test::More tests => 16;
my $fh;
my $a = join("", map { chr } 0..255) x 10;
my $b;
BEGIN { use_ok('PerlIO::Via::QuotedPrint'); }
ok( !open($fh,"<Via(PerlIO::Via::QuotedPrint)", $tmp), 'open QuotedPrint for input fails');
ok( open($fh,">Via(PerlIO::Via::QuotedPrint)", $tmp), 'open QuotedPrint for output');
ok( (print $fh $a), "print to output file");
ok( close($fh), 'close output file');
ok( open($fh,"<Via(PerlIO::Via::QuotedPrint)", $tmp), 'open QuotedPrint for input');
{ local $/; $b = <$fh> }
ok( close($fh), "close input file");
is($a, $b, 'compare original data with filtered version');
{
my $warnings = '';
local $SIG{__WARN__} = sub { $warnings = join '', @_ };
use warnings 'layer';
# Find fd number we should be using
my $fd = open($fh,">$tmp") && fileno($fh);
print $fh "Hello\n";
close($fh);
ok( ! open($fh,">Via(Unknown::Module)", $tmp), 'open Via Unknown::Module will fail');
like( $warnings, qr/^Cannot find package 'Unknown::Module'/, 'warn about unknown package' );
# Now open normally again to see if we get right fileno
my $fd2 = open($fh,"<$tmp") && fileno($fh);
is($fd2,$fd,"Wrong fd number after failed open");
my $data = <$fh>;
is($data,"Hello\n","File clobbered by failed open");
close($fh);
$warnings = '';
no warnings 'layer';
ok( ! open($fh,">Via(Unknown::Module)", $tmp), 'open Via Unknown::Module will fail');
is( $warnings, "", "don't warn about unknown package" );
}
my $obj = '';
sub Foo::PUSHED { $obj = shift; -1; }
sub PerlIO::Via::Bar::PUSHED { $obj = shift; -1; }
open $fh, '<:Via(Foo)', "foo";
is( $obj, 'Foo', 'search for package Foo' );
open $fh, '<:Via(Bar)', "bar";
is( $obj, 'PerlIO::Via::Bar', 'search for package PerlIO::Via::Bar' );
END {
1 while unlink $tmp;
}
|
