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use strict;
use Test::More tests => 23;
use File::Spec ();
use File::Temp 0.19 ();
BEGIN { use_ok('PerlIO::eol', qw( eol_is_mixed CR LF CRLF NATIVE )) }
my ($CR, $LF, $CRLF) = (CR, LF, CRLF);
is( eol_is_mixed("."), 0 );
is( eol_is_mixed(".$CRLF."), 0 );
is( eol_is_mixed(".$CR.$LF."), 3 );
is( eol_is_mixed(".$CRLF.$CR"), 4 );
$/ = undef;
sub is_hex ($$;$) {
@_ = (
join(' ', unpack '(H2)*', $_[0]),
join(' ', unpack '(H2)*', $_[1]),
$_[2],
);
goto &is;
}
my $directory = File::Temp->newdir;
my $read_fn = File::Spec->catfile($directory, "read");
my $write_fn = File::Spec->catfile($directory, "write");
{
open my $w, ">:raw", $read_fn or die "can't create testfile: $!";
print $w "...$CRLF$LF$CR...";
}
{
ok(open(my $r, "<:raw:eol(CR)", $read_fn), "open for read");
is_hex(<$r>, "...$CR$CR$CR...", "read");
}
{
ok(open(my $r, "<:raw:eol(LF)", $read_fn), "open for read");
is_hex(<$r>, "...$LF$LF$LF...", "read");
}
{
ok(open(my $r, "<:raw:eol(CRLF)", $read_fn), "open for read");
is_hex(<$r>, "...$CRLF$CRLF$CRLF...", "read");
}
{
local $@;
ok(open(my $r, "<:raw:eol(CR!)", $read_fn), "open for read");
is(eval { <$r> }, undef, 'mixed encoding');
like($@, qr/Mixed newlines/, 'raises exception');
}
{
ok(open(my $r, "<:raw:eol(CRLF?)", $read_fn), "open for read");
my $warning;
local $SIG{__WARN__} = sub { $warning = $_[0] };
is_hex(<$r>, "...$CRLF$CRLF$CRLF...", "read");
like($warning, qr/Mixed newlines found in "\Q$read_fn\E"/, 'raises exception');
}
{
local $@;
open my $w, ">:raw:eol(LF!)", $write_fn or die "can't create testfile: $!";
eval { print $w "...$CRLF$LF$CR..." };
like($@, qr/Mixed newlines found in "\Q$write_fn\E"/, 'raises exception');
}
TODO: {
local $@;
local $TODO = 'Trailing CR in mixed encodings';
open my $w, ">:raw:eol(LF!)", $write_fn or die "can't create testfile: $!";
eval { print $w "...$CRLF$CR" };
like($@, qr/Mixed newlines found in "\Q$write_fn\E"/, 'raises exception');
}
{
ok(open(my $w, ">:raw:eol(CrLf-lf)", $write_fn), "open for write");
print $w "...$CR$LF...";
}
{
open my $r, "<:raw", $write_fn or die "can't read testfile: $!";
is_hex(<$r>, "...$LF...", "write");
}
{
ok(open(my $w, ">:raw:eol(LF-Native)", $write_fn), "open for write");
print $w "...$CR";
}
{
open my $r, "<", $write_fn or die "can't read testfile: $!";
is_hex(<$r>, "...\n", "write");
}
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