BEGIN {
chdir 't' if -d 't';
- @INC = '../lib';
+ @INC = qw(. ../lib);
+ require "./test.pl";
}
+use Config;
+
my $test = 1;
-print "1..12\n";
+print "1..26\n";
print "ok 1\n";
open(DUPOUT,">&STDOUT");
print STDOUT "ok 8\n";
-open(F,">&",1) or die "Cannot dup to numeric 1:$!";
+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", 14) unless $Config{useperlio};
+
+ ok(open(F, ">&", STDOUT));
+ isnt(fileno(F), fileno(STDOUT));
+ close F;
+
+ ok(open(F, "<&=STDIN"));
+ 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, ">dup$$") or die;
+ my $g = fileno(G);
+
+ ok(open(F, ">&=$g"));
+ is(fileno(F), $g);
+ close F;
+
+ ok(open(F, ">&=G"));
+ is(fileno(F), $g);
+
+ print G "ggg\n";
+ print F "fff\n";
+
+ close G; # flush first
+ close F; # flush second
+
+ open(G, "<dup$$") or die;
+ {
+ my $line;
+ $line = <G>; chomp $line; is($line, "ggg");
+ $line = <G>; chomp $line; is($line, "fff");
+ }
+ close G;
+
+ END { 1 while unlink "dup$$" }
+}