1#!./perl 2 3BEGIN { 4 unless (find PerlIO::Layer 'perlio') { 5 print "1..0 # No perlio\n"; 6 exit 0; 7 } 8 if (ord("A") == 193) { 9 print "1..0 # Skip: EBCDIC\n"; 10 exit 0; 11 } 12 unless ( eval { require Encode } ) { 13 print "1..0 # Skip: No Encode\n"; 14 exit 0; 15 } 16 import Encode qw(:fallback_all); 17} 18 19use Test::More tests => 10; 20 21# $PerlIO::encoding = 0; # WARN_ON_ERR|PERLQQ; 22 23my $file = "fallback$$.txt"; 24 25{ 26 use warnings; 27 my $message = ''; 28 local $SIG{__WARN__} = sub { $message = $_[0] }; 29 $PerlIO::encoding::fallback = Encode::PERLQQ; 30 ok(open(my $fh,">encoding(iso-8859-1)",$file),"opened iso-8859-1 file"); 31 my $str = "\x{20AC}"; 32 print $fh $str,"0.02\n"; 33 close($fh); 34 like($message, qr/does not map to iso-8859-1/o, "FB_WARN message"); 35} 36 37open($fh,'<',$file) || die "File cannot be re-opened"; 38my $line = <$fh>; 39is($line,"\\x{20ac}0.02\n","perlqq escapes"); 40close($fh); 41 42$PerlIO::encoding::fallback = Encode::HTMLCREF; 43 44ok(open(my $fh,">encoding(iso-8859-1)",$file),"opened iso-8859-1 file"); 45my $str = "\x{20AC}"; 46print $fh $str,"0.02\n"; 47close($fh); 48 49open($fh,'<',$file) || die "File cannot be re-opened"; 50my $line = <$fh>; 51is($line,"€0.02\n","HTML escapes"); 52close($fh); 53 54{ 55 no utf8; 56 open($fh,'>',$file) || die "File cannot be re-opened"; 57 binmode($fh); 58 print $fh "\xA30.02\n"; 59 close($fh); 60} 61 62ok(open($fh,"<encoding(US-ASCII)",$file),"Opened as ASCII"); 63my $line = <$fh>; 64printf "# %x\n",ord($line); 65is($line,"\\xA30.02\n","Escaped non-mapped char"); 66close($fh); 67 68{ 69 my $message = ''; 70 local $SIG{__WARN__} = sub { $message = $_[0] }; 71 72 $PerlIO::encoding::fallback = Encode::WARN_ON_ERR; 73 74 ok(open($fh,"<encoding(US-ASCII)",$file),"Opened as ASCII"); 75 my $line = <$fh>; 76 printf "# %x\n",ord($line); 77 is($line,"\x{FFFD}0.02\n","Unicode replacement char"); 78 close($fh); 79 80 like($message, qr/does not map to Unicode/o, "FB_WARN message"); 81} 82 83END { 84 1 while unlink($file); 85} 86