#!./perl
+my $PERLIO;
+
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;
+ skip_all_without_perlio();
+ # FIXME - more of these could be tested without Encode or full perl
+ skip_all_without_dynamic_extension('Encode');
+
+ # Makes testing easier.
+ $ENV{PERLIO} = 'stdio' if exists $ENV{PERLIO} && $ENV{PERLIO} eq '';
+ skip_all("PERLIO='$ENV{PERLIO}' unknown")
+ if exists $ENV{PERLIO} && $ENV{PERLIO} !~ /^(stdio|perlio|mmap)$/;
+ $PERLIO = exists $ENV{PERLIO} ? $ENV{PERLIO} : "(undef)";
+}
+
+use Config;
+
+my $DOSISH = $^O =~ /^(?:MSWin32|os2|dos|NetWare)$/ ? 1 : 0;
+ $DOSISH = 1 if !$DOSISH and $^O =~ /^uwin/;
+my $NONSTDIO = exists $ENV{PERLIO} && $ENV{PERLIO} ne 'stdio' ? 1 : 0;
+my $FASTSTDIO = $Config{d_faststdio} && $Config{usefaststdio} ? 1 : 0;
+my $UTF8_STDIN;
+if (${^UNICODE} & 1) {
+ if (${^UNICODE} & 64) {
+ # Conditional on the locale
+ $UTF8_STDIN = ${^UTF8LOCALE};
+ } else {
+ # Unconditional
+ $UTF8_STDIN = 1;
}
+} else {
+ $UTF8_STDIN = 0;
}
+my $NTEST = 60 - (($DOSISH || !$FASTSTDIO) ? 7 : 0) - ($DOSISH ? 7 : 0)
+ + $UTF8_STDIN;
-plan tests => 43;
+sub PerlIO::F_UTF8 () { 0x00008000 } # from perliol.h
-use Config;
+plan tests => $NTEST;
-SKIP: {
- skip("This perl does not have Encode", 43)
- unless " $Config{extensions} " =~ / Encode /;
+print <<__EOH__;
+# PERLIO = $PERLIO
+# DOSISH = $DOSISH
+# NONSTDIO = $NONSTDIO
+# FASTSTDIO = $FASTSTDIO
+# UNICODE = ${^UNICODE}
+# UTF8LOCALE = ${^UTF8LOCALE}
+# UTF8_STDIN = $UTF8_STDIN
+__EOH__
+{
sub check {
my ($result, $expected, $id) = @_;
- my $n = scalar @$expected;
- is($n, scalar @$expected, "$id - layers = $n");
- if ($ENV{PERLIO}) {
- # Get rid of "unix" and similar OS-specific low lever layer.
- shift(@$result);
+ # An interesting dance follows where we try to make the following
+ # IO layer stack setups to compare equal:
+ #
+ # PERLIO UNIX-like DOS-like
+ #
+ # unset / "" unix perlio / stdio [1] unix crlf
+ # stdio unix perlio / stdio [1] stdio
+ # perlio unix perlio unix perlio
+ # mmap unix mmap unix mmap
+ #
+ # [1] "stdio" if Configure found out how to do "fast stdio" (depends
+ # on the stdio implementation) and in Perl 5.8, otherwise "unix perlio"
+ #
+ if ($NONSTDIO) {
+ # Get rid of "unix".
+ shift @$result if $result->[0] eq "unix";
# Change expectations.
- $expected->[0] = "perlio" if $expected->[0] eq "stdio";
+ if ($FASTSTDIO) {
+ $expected->[0] = $ENV{PERLIO};
+ } else {
+ $expected->[0] = $ENV{PERLIO} if $expected->[0] eq "stdio";
+ }
+ } elsif (!$FASTSTDIO && !$DOSISH) {
+ splice(@$result, 0, 2, "stdio")
+ if @$result >= 2 &&
+ $result->[0] eq "unix" &&
+ $result->[1] eq "perlio";
+ } elsif ($DOSISH) {
+ splice(@$result, 0, 2, "stdio")
+ if @$result >= 2 &&
+ $result->[0] eq "unix" &&
+ $result->[1] eq "crlf";
}
+ if ($DOSISH && grep { $_ eq 'crlf' } @$expected) {
+ # 5 tests potentially skipped because
+ # DOSISH systems already have a CRLF layer
+ # which will make new ones not stick.
+ splice @$expected, 1, 1 if $expected->[1] eq 'crlf';
+ }
+ my $n = scalar @$expected;
+ is(scalar @$result, $n, "$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 ? $j : "undef"));
+ sprintf("$id - $i is %s",
+ defined $j ? $j : "undef"));
}
}
}
check([ PerlIO::get_layers(STDIN) ],
- [ "stdio" ],
+ $UTF8_STDIN ? [ "stdio", "utf8" ] : [ "stdio" ],
"STDIN");
- open(F, ">:crlf", "afile");
+ my $afile = tempfile();
+ open(F, ">:crlf", $afile);
check([ PerlIO::get_layers(F) ],
[ qw(stdio crlf) ],
"open :crlf");
- binmode(F, ":encoding(sjis)"); # "sjis" will be canonized to "shiftjis"
+ binmode(F, ":crlf");
check([ PerlIO::get_layers(F) ],
- [ qw[stdio crlf encoding(shiftjis) utf8] ],
- ":encoding(sjis)");
+ [ qw(stdio crlf) ],
+ "binmode :crlf");
+
+ binmode(F, ":encoding(cp1047)");
+
+ check([ PerlIO::get_layers(F) ],
+ [ qw[stdio crlf encoding(cp1047) utf8] ],
+ ":encoding(cp1047)");
+
+ binmode(F, ":crlf");
+
+ check([ PerlIO::get_layers(F) ],
+ [ qw[stdio crlf encoding(cp1047) utf8 crlf utf8] ],
+ ":encoding(cp1047):crlf");
- binmode(F, ":pop");
+ binmode(F, ":pop:pop");
check([ PerlIO::get_layers(F) ],
[ qw(stdio crlf) ],
binmode(F, ":raw :encoding(latin1)"); # "latin1" will be canonized
- {
+ # 7 tests potentially skipped.
+ unless ($DOSISH || !$FASTSTDIO) {
my @results = PerlIO::get_layers(F, details => 1);
- # Get rid of "unix" and undef.
- splice(@results, 0, 2) if $ENV{PERLIO};
+ # Get rid of the args and the flags.
+ splice(@results, 1, 2) if $NONSTDIO;
check([ @results ],
[ "stdio", undef, sub { $_[0] > 0 },
[ "stdio" ],
"binmode");
+ # RT78844
+ {
+ local $@ = "foo";
+ binmode(F, ":encoding(utf8)");
+ is( $@, "foo", '$@ not clobbered by binmode and :encoding');
+ }
+
close F;
{
use open(IN => ":crlf", OUT => ":encoding(cp1252)");
- open F, "<afile";
- open G, ">afile";
+ open F, '<', $afile;
+ open G, '>', $afile;
check([ PerlIO::get_layers(F, input => 1) ],
[ qw(stdio crlf) ],
close G;
}
- 1 while unlink "afile";
+ # Check that PL_sigwarn's reference count is correct, and that
+ # &PerlIO::Layer::NoWarnings isn't prematurely freed.
+ fresh_perl_like (<<"EOT", qr/^CODE/);
+open(UTF, "<:raw:encoding(utf8)", '$afile') or die \$!;
+print ref *PerlIO::Layer::NoWarnings{CODE};
+EOT
+
+ # [perl #97956] Not calling FETCH all the time on tied variables
+ my $f;
+ sub TIESCALAR { bless [] }
+ sub FETCH { ++$f; $_[0][0] = $_[1] }
+ sub STORE { $_[0][0] }
+ tie my $t, "";
+ $t = *f;
+ $f = 0; PerlIO::get_layers $t;
+ is $f, 1, '1 fetch on tied glob';
+ $t = \*f;
+ $f = 0; PerlIO::get_layers $t;
+ is $f, 1, '1 fetch on tied globref';
+ $t = *f;
+ $f = 0; PerlIO::get_layers \$t;
+ is $f, 1, '1 fetch on referenced tied glob';
+ $t = '';
+ $f = 0; PerlIO::get_layers $t;
+ is $f, 1, '1 fetch on tied string';
+
+ # No distinction between nums and strings
+ open "12", "<:crlf", "test.pl" or die "$0 cannot open test.pl: $!";
+ ok PerlIO::get_layers(12), 'str/num arguments are treated identically';
}