#!./perl
-# $RCSfile$
+BEGIN {
+ chdir 't' if -d 't';
+ @INC = '../lib';
+ require './test.pl';
+}
+
$| = 1;
-$^W = 1;
-
-print "1..8\n";
-
-# my $file tests
-
-unlink("afile.new") if -f "afile";
-print "$!\nnot " unless open(my $f,"+>afile");
-print "ok 1\n";
-print "not " unless -f "afile";
-print "ok 2\n";
-print "not " unless print $f "SomeData\n";
-print "ok 3\n";
-print "not " unless tell($f) == 9;
-print "ok 4\n";
-print "not " unless seek($f,0,0);
-print "ok 5\n";
-$b = <$f>;
-print "not " unless $b eq "SomeData\n";
-print "ok 6\n";
-print "not " unless -f $f;
-print "ok 7\n";
-eval { die "Message" };
-# warn $@;
-print "not " unless $@ =~ /<\$f> line 1/;
-print "ok 8\n";
-print "not " unless close($f);
-print "ok 9\n";
-unlink("afile");
+use warnings;
+use Config;
+$Is_VMS = $^O eq 'VMS';
+$Is_MacOS = $^O eq 'MacOS';
+
+plan tests => 94;
+
+my $Perl = which_perl();
+
+{
+ unlink("afile") if -f "afile";
+
+ $! = 0; # the -f above will set $! if 'afile' doesn't exist.
+ ok( open(my $f,"+>afile"), 'open(my $f, "+>...")' );
+
+ binmode $f;
+ ok( -f "afile", ' its a file');
+ ok( (print $f "SomeData\n"), ' we can print to it');
+ is( tell($f), 9, ' tell()' );
+ ok( seek($f,0,0), ' seek set' );
+
+ $b = <$f>;
+ is( $b, "SomeData\n", ' readline' );
+ ok( -f $f, ' still a file' );
+
+ eval { die "Message" };
+ like( $@, qr/<\$f> line 1/, ' die message correct' );
+
+ ok( close($f), ' close()' );
+ ok( unlink("afile"), ' unlink()' );
+}
+
+{
+ ok( open(my $f,'>', 'afile'), "open(my \$f, '>', 'afile')" );
+ ok( (print $f "a row\n"), ' print');
+ ok( close($f), ' close' );
+ ok( -s 'afile' < 10, ' -s' );
+}
+
+{
+ ok( open(my $f,'>>', 'afile'), "open(my \$f, '>>', 'afile')" );
+ ok( (print $f "a row\n"), ' print' );
+ ok( close($f), ' close' );
+ ok( -s 'afile' > 10, ' -s' );
+}
+
+{
+ ok( open(my $f, '<', 'afile'), "open(my \$f, '<', 'afile')" );
+ my @rows = <$f>;
+ is( scalar @rows, 2, ' readline, list context' );
+ is( $rows[0], "a row\n", ' first line read' );
+ is( $rows[1], "a row\n", ' second line' );
+ ok( close($f), ' close' );
+}
+
+{
+ ok( -s 'afile' < 20, '-s' );
+
+ ok( open(my $f, '+<', 'afile'), 'open +<' );
+ my @rows = <$f>;
+ is( scalar @rows, 2, ' readline, list context' );
+ ok( seek($f, 0, 1), ' seek cur' );
+ ok( (print $f "yet another row\n"), ' print' );
+ ok( close($f), ' close' );
+ ok( -s 'afile' > 20, ' -s' );
+
+ unlink("afile");
+}
+
+SKIP: {
+ skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
+
+ ok( open(my $f, '-|', <<EOC), 'open -|' );
+ $Perl -e "print qq(a row\\n); print qq(another row\\n)"
+EOC
+
+ my @rows = <$f>;
+ is( scalar @rows, 2, ' readline, list context' );
+ ok( close($f), ' close' );
+}
+
+SKIP: {
+ skip "Output for |- doesn't go to shell on MacOS", 5 if $Is_MacOS;
+
+ ok( open(my $f, '|-', <<EOC), 'open |-' );
+ $Perl -pe "s/^not //"
+EOC
+
+ my @rows = <$f>;
+ my $test = curr_test;
+ print $f "not ok $test - piped in\n";
+ next_test;
+
+ $test = curr_test;
+ print $f "not ok $test - piped in\n";
+ next_test;
+ ok( close($f), ' close' );
+ sleep 1;
+ pass('flushing');
+}
+
+
+ok( !eval { open my $f, '<&', 'afile'; 1; }, '<& on a non-filehandle' );
+like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
+
+
+# local $file tests
+{
+ unlink("afile") if -f "afile";
+
+ ok( open(local $f,"+>afile"), 'open local $f, "+>", ...' );
+ binmode $f;
+
+ ok( -f "afile", ' -f' );
+ ok( (print $f "SomeData\n"), ' print' );
+ is( tell($f), 9, ' tell' );
+ ok( seek($f,0,0), ' seek set' );
+
+ $b = <$f>;
+ is( $b, "SomeData\n", ' readline' );
+ ok( -f $f, ' still a file' );
+
+ eval { die "Message" };
+ like( $@, qr/<\$f> line 1/, ' proper die message' );
+ ok( close($f), ' close' );
+
+ unlink("afile");
+}
+
+{
+ ok( open(local $f,'>', 'afile'), 'open local $f, ">", ...' );
+ ok( (print $f "a row\n"), ' print');
+ ok( close($f), ' close');
+ ok( -s 'afile' < 10, ' -s' );
+}
+
+{
+ ok( open(local $f,'>>', 'afile'), 'open local $f, ">>", ...' );
+ ok( (print $f "a row\n"), ' print');
+ ok( close($f), ' close');
+ ok( -s 'afile' > 10, ' -s' );
+}
+
+{
+ ok( open(local $f, '<', 'afile'), 'open local $f, "<", ...' );
+ my @rows = <$f>;
+ is( scalar @rows, 2, ' readline list context' );
+ ok( close($f), ' close' );
+}
+
+ok( -s 'afile' < 20, ' -s' );
+
+{
+ ok( open(local $f, '+<', 'afile'), 'open local $f, "+<", ...' );
+ my @rows = <$f>;
+ is( scalar @rows, 2, ' readline list context' );
+ ok( seek($f, 0, 1), ' seek cur' );
+ ok( (print $f "yet another row\n"), ' print' );
+ ok( close($f), ' close' );
+ ok( -s 'afile' > 20, ' -s' );
+
+ unlink("afile");
+}
+
+SKIP: {
+ skip "open -| busted and noisy on VMS", 3 if $Is_VMS;
+
+ ok( open(local $f, '-|', <<EOC), 'open local $f, "-|", ...' );
+ $Perl -e "print qq(a row\\n); print qq(another row\\n)"
+EOC
+ my @rows = <$f>;
+
+ is( scalar @rows, 2, ' readline list context' );
+ ok( close($f), ' close' );
+}
+
+SKIP: {
+ skip "Output for |- doesn't go to shell on MacOS", 5 if $Is_MacOS;
+
+ ok( open(local $f, '|-', <<EOC), 'open local $f, "|-", ...' );
+ $Perl -pe "s/^not //"
+EOC
+
+ my @rows = <$f>;
+ my $test = curr_test;
+ print $f "not ok $test - piping\n";
+ next_test;
+
+ $test = curr_test;
+ print $f "not ok $test - piping\n";
+ next_test;
+ ok( close($f), ' close' );
+ sleep 1;
+ pass("Flush");
+}
+
+
+ok( !eval { open local $f, '<&', 'afile'; 1 }, 'local <& on non-filehandle');
+like( $@, qr/Bad filehandle:\s+afile/, ' right error' );
+
+{
+ local *F;
+ for (1..2) {
+ ok( open(F, qq{$Perl -le "print 'ok'"|}), 'open to pipe' );
+ is(scalar <F>, "ok\n", ' readline');
+ ok( close F, ' close' );
+ }
+
+ for (1..2) {
+ ok( open(F, "-|", qq{$Perl -le "print 'ok'"}), 'open -|');
+ is( scalar <F>, "ok\n", ' readline');
+ ok( close F, ' close' );
+ }
+}
+
+
+# other dupping techniques
+{
+ ok( open(my $stdout, ">&", \*STDOUT), 'dup \*STDOUT into lexical fh');
+ ok( open(STDOUT, ">&", $stdout), 'restore dupped STDOUT from lexical fh');
+}
+
+SKIP: {
+ skip "This perl uses perlio", 1 if $Config{useperlio};
+ skip "This system doesn't understand EINVAL", 1 unless exists $!{EINVAL};
+
+ no warnings 'io';
+ ok( !open(F,'>',\my $s) && $!{EINVAL}, 'open(reference) raises EINVAL' );
+}
+{
+ ok( !eval { open F, "BAR", "QUUX" }, 'Unknown open() mode' );
+ like( $@, qr/\QUnknown open() mode 'BAR'/, ' right error' );
+}