amigaos4: implement flock() emulation

[perl5.git] / t / io / dup.t

diff --git a/t/io/dup.t b/t/io/dup.t
old mode 100755 (executable)
new mode 100644 (file)
index 21add4f..1328aeb
--- a/t/io/dup.t
+++ b/t/io/dup.t
@@ -2,17 +2,24 @@
 
 BEGIN {
     chdir 't' if -d 't';
-    @INC = '../lib';
+    @INC = qw(. ../lib);
+    require "./test.pl";
 }
 
+use Config;
+no warnings 'once';
+
 my $test = 1;
-print "1..12\n";
+my $tests_needing_perlio = 17;
+plan(12 + $tests_needing_perlio);
 print "ok 1\n";
 
 open(DUPOUT,">&STDOUT");
 open(DUPERR,">&STDERR");
 
-open(STDOUT,">Io.dup")  || die "Can't open stdout";
+my $tempfile = tempfile();
+
+open(STDOUT,">$tempfile")  || die "Can't open stdout";
 open(STDERR,">&STDOUT") || die "Can't open stderr";
 
 select(STDERR); $| = 1;
@@ -28,23 +35,10 @@ $cmd = sprintf $echo, 4;
 print `$cmd`;
 
 $cmd = sprintf "$echo 1>&2", 5;
-$cmd = sprintf $echo, 5 if $^O eq 'MacOS';  # don't know if we can do this ...
 print `$cmd`;
 
-# KNOWN BUG system() does not honor STDOUT redirections on VMS.
-if( $^O eq 'VMS' ) {
-    print "not ok $_ # TODO system() not honoring STDOUT redirect on VMS\n"
-      for 6..7;
-}
-else {
-    system sprintf $echo, 6;
-    if ($^O eq 'MacOS') {
-        system sprintf $echo, 7;
-    }
-    else {
-        system sprintf "$echo 1>&2", 7;
-    }
-}
+system sprintf $echo, 6;
+system sprintf "$echo 1>&2", 7;
 
 close(STDOUT) or die "Could not close: $!";
 close(STDERR) or die "Could not close: $!";
@@ -52,28 +46,99 @@ close(STDERR) or die "Could not close: $!";
 open(STDOUT,">&DUPOUT") or die "Could not open: $!";
 open(STDERR,">&DUPERR") or die "Could not open: $!";
 
-if (($^O eq 'MSWin32') || ($^O eq 'NetWare') || ($^O eq 'VMS')) { print `type Io.dup` }
-elsif ($^O eq 'MacOS') { system 'catenate Io.dup' }
-else                   { system 'cat Io.dup' }
-unlink 'Io.dup';
+if (($^O eq 'MSWin32') || ($^O eq 'NetWare')) { print `type $tempfile` }
+elsif ($^O eq 'VMS')   { system "type $tempfile.;" } # TYPE defaults to .LIS when there is no extension
+else { system "cat $tempfile" }
 
 print STDOUT "ok 8\n";
 
-open(F,">&",1) or die "Cannot dup to numeric 1:$!";
+open(F,">&",1) or die "Cannot dup to numeric 1: $!";
 print F "ok 9\n";
 close(F);
 
-open(F,">&",'1') or die "Cannot dup to string '1':$!";
+open(F,">&",'1') or die "Cannot dup to string '1': $!";
 print F "ok 10\n";
 close(F);
 
-
-open(F,">&=",1) or die "Cannot dup to numeric 1:$!";
+open(F,">&=",1) or die "Cannot dup to numeric 1: $!";
 print F "ok 11\n";
 close(F);
 
-open(F,">&=",'1') or die "Cannot dup to string '1':$!";
-print F "ok 12\n";
-close(F);
+if ($Config{useperlio}) {
+    open(F,">&=",'1') or die "Cannot dup to string '1': $!";
+    print F "ok 12\n";
+    close(F);
+} else {
+    open(F, ">&DUPOUT") or die "Cannot dup stdout back: $!";
+    print F "ok 12\n";
+    close(F);
+}
+
+# To get STDOUT back.
+open(F, ">&DUPOUT") or die "Cannot dup stdout back: $!";
+
+curr_test(13);
+
+SKIP: {
+    skip("need perlio", $tests_needing_perlio) unless $Config{useperlio};
+    
+    ok(open(F, ">&", STDOUT));
+    isnt(fileno(F), fileno(STDOUT));
+    close F;
 
+    ok(open(F, "<&=STDIN")) or _diag $!;
+    is(fileno(F), fileno(STDIN));
+    close F;
 
+    ok(open(F, ">&=STDOUT"));
+    is(fileno(F), fileno(STDOUT));
+    close F;
+
+    ok(open(F, ">&=STDERR"));
+    is(fileno(F), fileno(STDERR));
+    close F;
+
+    open(G, ">$tempfile") or die;
+    my $g = fileno(G);
+
+    ok(open(F, ">&=$g"));
+    is(fileno(F), $g);
+    close F;
+
+    ok(open(F, ">&=G"));
+    is(fileno(F), $g);
+
+    print G "ggg\n";
+    print F "fff\n";
+
+    close G; # flush first
+    close F; # flush second
+
+    open(G, "<$tempfile") or die;
+    {
+       my $line;
+       $line = <G>; chomp $line; is($line, "ggg");
+       $line = <G>; chomp $line; is($line, "fff");
+    }
+    close G;
+
+    open UTFOUT, '>:utf8', $tempfile or die $!;
+    open UTFDUP, '>&UTFOUT' or die $!;
+    # some old greek saying.
+    my $message = "\x{03A0}\x{0391}\x{039D}\x{03A4}\x{0391} \x{03A1}\x{0395}\x{0399}\n";
+    print UTFOUT $message;
+    print UTFDUP $message;
+    binmode UTFDUP, ':utf8';
+    print UTFDUP $message;
+    close UTFOUT;
+    close UTFDUP;
+    open(UTFIN, "<:utf8", $tempfile) or die $!;
+    {
+       my $line;
+       $line = <UTFIN>; is($line, $message);
+       $line = <UTFIN>; is($line, $message);
+       $line = <UTFIN>; is($line, $message);
+    }
+    close UTFIN;
+
+}