}
}
-use PerlIO;
+use Test::More tests => 35;
-print "1..19\n";
-
-print "ok 1\n";
+use_ok('PerlIO');
my $txt = "txt$$";
my $bin = "bin$$";
my $binfh;
my $utffh;
-print "not " unless open($txtfh, ">:crlf", $txt);
-print "ok 2\n";
+ok(open($txtfh, ">:crlf", $txt));
-print "not " unless open($binfh, ">:raw", $bin);
-print "ok 3\n";
+ok(open($binfh, ">:raw", $bin));
-print "not " unless open($utffh, ">:utf8", $utf);
+ok(open($utffh, ">:utf8", $utf));
print "ok 4\n";
print $txtfh "foo\n";
print $txtfh "bar\n";
-print "not " unless close($txtfh);
-print "ok 5\n";
+
+ok(close($txtfh));
print $binfh "foo\n";
print $binfh "bar\n";
-print "not " unless close($binfh);
-print "ok 6\n";
+
+ok(close($binfh));
print $utffh "foo\x{ff}\n";
print $utffh "bar\x{abcd}\n";
-print "not " unless close($utffh);
-print "ok 7\n";
-print "not " unless open($txtfh, "<:crlf", $txt);
-print "ok 8\n";
+ok(close($utffh));
+
+ok(open($txtfh, "<:crlf", $txt));
+
+ok(open($binfh, "<:raw", $bin));
+
+
+ok(open($utffh, "<:utf8", $utf));
-print "not " unless open($binfh, "<:raw", $bin);
-print "ok 9\n";
+is(scalar <$txtfh>, "foo\n");
+is(scalar <$txtfh>, "bar\n");
-print "not " unless open($utffh, "<:utf8", $utf);
-print "ok 10\n";
+is(scalar <$binfh>, "foo\n");
+is(scalar <$binfh>, "bar\n");
-print "not " unless <$txtfh> eq "foo\n" && <$txtfh> eq "bar\n";
-print "ok 11\n";
+is(scalar <$utffh>, "foo\x{ff}\n");
+is(scalar <$utffh>, "bar\x{abcd}\n");
-print "not " unless <$binfh> eq "foo\n" && <$binfh> eq "bar\n";
-print "ok 12\n";
+ok(eof($txtfh));;
-print "not " unless <$utffh> eq "foo\x{ff}\n" && <$utffh> eq "bar\x{abcd}\n";
-print "ok 13\n";
+ok(eof($binfh));
-print "not " unless eof($txtfh);
-print "ok 14\n";
+ok(eof($utffh));
-print "not " unless eof($binfh);
-print "ok 15\n";
+ok(close($txtfh));
-print "not " unless eof($utffh);
-print "ok 16\n";
+ok(close($binfh));
-print "not " unless close($txtfh);
-print "ok 17\n";
+ok(close($utffh));
-print "not " unless close($binfh);
-print "ok 18\n";
+# magic temporary file via 3 arg open with undef
+{
+ ok( open(my $x,"+<",undef), 'magic temp file via 3 arg open with undef');
+ ok( defined fileno($x), ' fileno' );
-print "not " unless close($utffh);
-print "ok 19\n";
+ select $x;
+ ok( (print "ok\n"), ' print' );
+
+ select STDOUT;
+ ok( seek($x,0,0), ' seek' );
+ is( scalar <$x>, "ok\n", ' readline' );
+ ok( tell($x) >= 3, ' tell' );
+
+ # test magic temp file over STDOUT
+ open OLDOUT, ">&STDOUT" or die "cannot dup STDOUT: $!";
+ my $status = open(STDOUT,"+<",undef);
+ open STDOUT, ">&OLDOUT" or die "cannot dup OLDOUT: $!";
+ # report after STDOUT is restored
+ ok($status, ' re-open STDOUT');
+}
+
+# in-memory open
+{
+ my $var;
+ ok( open(my $x,"+<",\$var), 'magic in-memory file via 3 arg open with \\$var');
+ ok( defined fileno($x), ' fileno' );
+
+ select $x;
+ ok( (print "ok\n"), ' print' );
+
+ select STDOUT;
+ ok( seek($x,0,0), ' seek' );
+ is( scalar <$x>, "ok\n", ' readline' );
+ ok( tell($x) >= 3, ' tell' );
+}
END {
1 while unlink $txt;