1N/A#!./perl
1N/A
1N/Amy $PERLIO;
1N/A
1N/ABEGIN {
1N/A chdir 't' if -d 't';
1N/A @INC = '../lib';
1N/A require './test.pl';
1N/A unless (find PerlIO::Layer 'perlio') {
1N/A print "1..0 # Skip: not perlio\n";
1N/A exit 0;
1N/A }
1N/A eval 'use Encode';
1N/A if ($@ =~ /dynamic loading not available/) {
1N/A print "1..0 # miniperl cannot load Encode\n";
1N/A exit 0;
1N/A }
1N/A # Makes testing easier.
1N/A $ENV{PERLIO} = 'stdio' if exists $ENV{PERLIO} && $ENV{PERLIO} eq '';
1N/A if (exists $ENV{PERLIO} && $ENV{PERLIO} !~ /^(stdio|perlio|mmap)$/) {
1N/A # We are not prepared for anything else.
1N/A print "1..0 # PERLIO='$ENV{PERLIO}' unknown\n";
1N/A exit 0;
1N/A }
1N/A $PERLIO = exists $ENV{PERLIO} ? $ENV{PERLIO} : "(undef)";
1N/A}
1N/A
1N/Ause Config;
1N/A
1N/Amy $DOSISH = $^O =~ /^(?:MSWin32|os2|dos|NetWare|mint)$/ ? 1 : 0;
1N/A $DOSISH = 1 if !$DOSISH and $^O =~ /^uwin/;
1N/Amy $NONSTDIO = exists $ENV{PERLIO} && $ENV{PERLIO} ne 'stdio' ? 1 : 0;
1N/Amy $FASTSTDIO = $Config{d_faststdio} && $Config{usefaststdio} ? 1 : 0;
1N/A
1N/Amy $NTEST = 43 - (($DOSISH || !$FASTSTDIO) ? 7 : 0) - ($DOSISH ? 5 : 0);
1N/A
1N/Aplan tests => $NTEST;
1N/A
1N/Aprint <<__EOH__;
1N/A# PERLIO = $PERLIO
1N/A# DOSISH = $DOSISH
1N/A# NONSTDIO = $NONSTDIO
1N/A# FASTSTDIO = $FASTSTDIO
1N/A__EOH__
1N/A
1N/ASKIP: {
1N/A # FIXME - more of these could be tested without Encode or full perl
1N/A skip("This perl does not have Encode", $NTEST)
1N/A unless " $Config{extensions} " =~ / Encode /;
1N/A skip("miniperl does not have Encode", $NTEST) if $ENV{PERL_CORE_MINITEST};
1N/A
1N/A sub check {
1N/A my ($result, $expected, $id) = @_;
1N/A # An interesting dance follows where we try to make the following
1N/A # IO layer stack setups to compare equal:
1N/A #
1N/A # PERLIO UNIX-like DOS-like
1N/A #
1N/A # unset / "" unix perlio / stdio [1] unix crlf
1N/A # stdio unix perlio / stdio [1] stdio
1N/A # perlio unix perlio unix perlio
1N/A # mmap unix mmap unix mmap
1N/A #
1N/A # [1] "stdio" if Configure found out how to do "fast stdio" (depends
1N/A # on the stdio implementation) and in Perl 5.8, otherwise "unix perlio"
1N/A #
1N/A if ($NONSTDIO) {
1N/A # Get rid of "unix".
1N/A shift @$result if $result->[0] eq "unix";
1N/A # Change expectations.
1N/A if ($FASTSTDIO) {
1N/A $expected->[0] = $ENV{PERLIO};
1N/A } else {
1N/A $expected->[0] = $ENV{PERLIO} if $expected->[0] eq "stdio";
1N/A }
1N/A } elsif (!$FASTSTDIO && !$DOSISH) {
1N/A splice(@$result, 0, 2, "stdio")
1N/A if @$result >= 2 &&
1N/A $result->[0] eq "unix" &&
1N/A $result->[1] eq "perlio";
1N/A } elsif ($DOSISH) {
1N/A splice(@$result, 0, 2, "stdio")
1N/A if @$result >= 2 &&
1N/A $result->[0] eq "unix" &&
1N/A $result->[1] eq "crlf";
1N/A }
1N/A if ($DOSISH && grep { $_ eq 'crlf' } @$expected) {
1N/A # 5 tests potentially skipped because
1N/A # DOSISH systems already have a CRLF layer
1N/A # which will make new ones not stick.
1N/A @$expected = grep { $_ ne 'crlf' } @$expected;
1N/A }
1N/A my $n = scalar @$expected;
1N/A is($n, scalar @$expected, "$id - layers == $n");
1N/A for (my $i = 0; $i < $n; $i++) {
1N/A my $j = $expected->[$i];
1N/A if (ref $j eq 'CODE') {
1N/A ok($j->($result->[$i]), "$id - $i is ok");
1N/A } else {
1N/A is($result->[$i], $j,
1N/A sprintf("$id - $i is %s",
1N/A defined $j ? $j : "undef"));
1N/A }
1N/A }
1N/A }
1N/A
1N/A check([ PerlIO::get_layers(STDIN) ],
1N/A [ "stdio" ],
1N/A "STDIN");
1N/A
1N/A open(F, ">:crlf", "afile");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw(stdio crlf) ],
1N/A "open :crlf");
1N/A
1N/A binmode(F, ":encoding(sjis)"); # "sjis" will be canonized to "shiftjis"
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw[stdio crlf encoding(shiftjis) utf8] ],
1N/A ":encoding(sjis)");
1N/A
1N/A binmode(F, ":pop");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw(stdio crlf) ],
1N/A ":pop");
1N/A
1N/A binmode(F, ":raw");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ "stdio" ],
1N/A ":raw");
1N/A
1N/A binmode(F, ":utf8");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw(stdio utf8) ],
1N/A ":utf8");
1N/A
1N/A binmode(F, ":bytes");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ "stdio" ],
1N/A ":bytes");
1N/A
1N/A binmode(F, ":encoding(utf8)");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw[stdio encoding(utf8) utf8] ],
1N/A ":encoding(utf8)");
1N/A
1N/A binmode(F, ":raw :crlf");
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ qw(stdio crlf) ],
1N/A ":raw:crlf");
1N/A
1N/A binmode(F, ":raw :encoding(latin1)"); # "latin1" will be canonized
1N/A
1N/A # 7 tests potentially skipped.
1N/A unless ($DOSISH || !$FASTSTDIO) {
1N/A my @results = PerlIO::get_layers(F, details => 1);
1N/A
1N/A # Get rid of the args and the flags.
1N/A splice(@results, 1, 2) if $NONSTDIO;
1N/A
1N/A check([ @results ],
1N/A [ "stdio", undef, sub { $_[0] > 0 },
1N/A "encoding", "iso-8859-1", sub { $_[0] & PerlIO::F_UTF8() } ],
1N/A ":raw:encoding(latin1)");
1N/A }
1N/A
1N/A binmode(F);
1N/A
1N/A check([ PerlIO::get_layers(F) ],
1N/A [ "stdio" ],
1N/A "binmode");
1N/A
1N/A close F;
1N/A
1N/A {
1N/A use open(IN => ":crlf", OUT => ":encoding(cp1252)");
1N/A
1N/A open F, "<afile";
1N/A open G, ">afile";
1N/A
1N/A check([ PerlIO::get_layers(F, input => 1) ],
1N/A [ qw(stdio crlf) ],
1N/A "use open IN");
1N/A
1N/A check([ PerlIO::get_layers(G, output => 1) ],
1N/A [ qw[stdio encoding(cp1252) utf8] ],
1N/A "use open OUT");
1N/A
1N/A close F;
1N/A close G;
1N/A }
1N/A
1N/A 1 while unlink "afile";
1N/A}