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|
#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
unless (find PerlIO::Layer 'perlio') {
print "1..0 # Skip: not perlio\n";
exit 0;
}
}
plan tests => 43;
use Config;
SKIP: {
skip("This perl does not have Encode", 43)
unless " $Config{extensions} " =~ / Encode /;
sub check {
my ($result, $expected, $id) = @_;
my $n = scalar @$expected;
is($n, scalar @$expected, "$id layers = $n");
for (my $i = 0; $i < $n; $i++) {
my $j = $expected->[$i];
if (ref $j eq 'CODE') {
ok($j->($result->[$i]), "$id $i is ok");
} else {
is($result->[$i], $j,
sprintf("$id $i is %s", defined $j ? $j : "undef"));
}
}
}
check([ PerlIO::get_layers(STDIN) ],
[ "stdio" ],
"STDIN");
open(F, ">:crlf", "afile");
check([ PerlIO::get_layers(F) ],
[ qw(stdio crlf) ],
"open :crlf");
binmode(F, ":encoding(sjis)"); # "sjis" will be canonized to "shiftjis"
check([ PerlIO::get_layers(F) ],
[ qw[stdio crlf encoding(shiftjis) utf8] ],
":encoding(sjis)");
binmode(F, ":pop");
check([ PerlIO::get_layers(F) ],
[ qw(stdio crlf) ],
":pop");
binmode(F, ":raw");
check([ PerlIO::get_layers(F) ],
[ "stdio" ],
":raw");
binmode(F, ":utf8");
check([ PerlIO::get_layers(F) ],
[ qw(stdio utf8) ],
":utf8");
binmode(F, ":bytes");
check([ PerlIO::get_layers(F) ],
[ "stdio" ],
":bytes");
binmode(F, ":encoding(utf8)");
check([ PerlIO::get_layers(F) ],
[ qw[stdio encoding(utf8) utf8] ],
":encoding(utf8)");
binmode(F, ":raw :crlf");
check([ PerlIO::get_layers(F) ],
[ qw(stdio crlf) ],
":raw:crlf");
binmode(F, ":raw :encoding(latin1)"); # "latin1" will be canonized
check([ PerlIO::get_layers(F, details => 1) ],
[ "stdio", undef, sub { $_[0] > 0 },
"encoding", "iso-8859-1", sub { $_[0] & PerlIO::F_UTF8() } ],
":raw:encoding(latin1)");
binmode(F);
check([ PerlIO::get_layers(F) ],
[ "stdio" ],
"binmode");
close F;
{
use open(IN => ":crlf", OUT => ":encoding(cp1252)");
open F, "<afile";
open G, ">afile";
check([ PerlIO::get_layers(F, input => 1) ],
[ qw(stdio crlf) ],
"use open IN");
check([ PerlIO::get_layers(G, output => 1) ],
[ qw[stdio encoding(cp1252) utf8] ],
"use open OUT");
close F;
close G;
}
1 while unlink "afile";
}
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