1*0Sstevel@tonic-gate#!./perl 2*0Sstevel@tonic-gate 3*0Sstevel@tonic-gateuse strict; 4*0Sstevel@tonic-gateuse warnings; 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gateBEGIN { 7*0Sstevel@tonic-gate chdir 't' if -d 't'; 8*0Sstevel@tonic-gate @INC = '../lib'; 9*0Sstevel@tonic-gate unless (find PerlIO::Layer 'perlio') { 10*0Sstevel@tonic-gate print "1..0 # Skip: not perlio\n"; 11*0Sstevel@tonic-gate exit 0; 12*0Sstevel@tonic-gate } 13*0Sstevel@tonic-gate} 14*0Sstevel@tonic-gate 15*0Sstevel@tonic-gatemy $tmp = "via$$"; 16*0Sstevel@tonic-gate 17*0Sstevel@tonic-gateuse Test::More tests => 18; 18*0Sstevel@tonic-gate 19*0Sstevel@tonic-gatemy $fh; 20*0Sstevel@tonic-gatemy $a = join("", map { chr } 0..255) x 10; 21*0Sstevel@tonic-gatemy $b; 22*0Sstevel@tonic-gate 23*0Sstevel@tonic-gateBEGIN { use_ok('PerlIO::via::QuotedPrint'); } 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gateok( !open($fh,"<via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for input fails'); 26*0Sstevel@tonic-gateok( open($fh,">via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for output'); 27*0Sstevel@tonic-gateok( (print $fh $a), "print to output file"); 28*0Sstevel@tonic-gateok( close($fh), 'close output file'); 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gateok( open($fh,"<via(PerlIO::via::QuotedPrint)", $tmp), 'open QuotedPrint for input'); 31*0Sstevel@tonic-gate{ local $/; $b = <$fh> } 32*0Sstevel@tonic-gateok( close($fh), "close input file"); 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gateis($a, $b, 'compare original data with filtered version'); 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate{ 38*0Sstevel@tonic-gate my $warnings = ''; 39*0Sstevel@tonic-gate local $SIG{__WARN__} = sub { $warnings = join '', @_ }; 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate use warnings 'layer'; 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate # Find fd number we should be using 44*0Sstevel@tonic-gate my $fd = open($fh,">$tmp") && fileno($fh); 45*0Sstevel@tonic-gate print $fh "Hello\n"; 46*0Sstevel@tonic-gate close($fh); 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate ok( ! open($fh,">via(Unknown::Module)", $tmp), 'open via Unknown::Module will fail'); 49*0Sstevel@tonic-gate like( $warnings, qr/^Cannot find package 'Unknown::Module'/, 'warn about unknown package' ); 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate # Now open normally again to see if we get right fileno 52*0Sstevel@tonic-gate my $fd2 = open($fh,"<$tmp") && fileno($fh); 53*0Sstevel@tonic-gate is($fd2,$fd,"Wrong fd number after failed open"); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate my $data = <$fh>; 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate is($data,"Hello\n","File clobbered by failed open"); 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate close($fh); 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate{ 62*0Sstevel@tonic-gatepackage Incomplete::Module; 63*0Sstevel@tonic-gate} 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate $warnings = ''; 66*0Sstevel@tonic-gate no warnings 'layer'; 67*0Sstevel@tonic-gate ok( ! open($fh,">via(Incomplete::Module)", $tmp), 'open via Incomplete::Module will fail'); 68*0Sstevel@tonic-gate is( $warnings, "", "don't warn about unknown package" ); 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate $warnings = ''; 71*0Sstevel@tonic-gate no warnings 'layer'; 72*0Sstevel@tonic-gate ok( ! open($fh,">via(Unknown::Module)", $tmp), 'open via Unknown::Module will fail'); 73*0Sstevel@tonic-gate is( $warnings, "", "don't warn about unknown package" ); 74*0Sstevel@tonic-gate} 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gatemy $obj = ''; 77*0Sstevel@tonic-gatesub Foo::PUSHED { $obj = shift; -1; } 78*0Sstevel@tonic-gatesub PerlIO::via::Bar::PUSHED { $obj = shift; -1; } 79*0Sstevel@tonic-gateopen $fh, '<:via(Foo)', "foo"; 80*0Sstevel@tonic-gateis( $obj, 'Foo', 'search for package Foo' ); 81*0Sstevel@tonic-gateopen $fh, '<:via(Bar)', "bar"; 82*0Sstevel@tonic-gateis( $obj, 'PerlIO::via::Bar', 'search for package PerlIO::via::Bar' ); 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gateEND { 85*0Sstevel@tonic-gate 1 while unlink $tmp; 86*0Sstevel@tonic-gate} 87*0Sstevel@tonic-gate 88