}
}
+use strict;
use FileHandle;
-use strict subs;
-
autoflush STDOUT 1;
+use Test::More (tests => 12);
+my $TB = Test::More->builder;
-$mystdout = new_from_fd FileHandle 1,"w";
+my $mystdout = new_from_fd FileHandle 1,"w";
$| = 1;
autoflush $mystdout;
-print "1..12\n";
-
-print $mystdout "ok ".fileno($mystdout)."\n";
-$fh = (new FileHandle "./TEST", O_RDONLY
- or new FileHandle "TEST", O_RDONLY)
- and print "ok 2\n";
+print $mystdout "ok ".fileno($mystdout),
+ " - ", "create new handle from file descriptor", "\n";
+$TB->current_test($TB->current_test + 1);
+my $fh = (new FileHandle "./TEST", O_RDONLY
+ or new FileHandle "TEST", O_RDONLY);
+ok(defined($fh), "create new handle O_RDONLY");
-$buffer = <$fh>;
-print $buffer eq "#!./perl\n" ? "ok 3\n" : "not ok 3\n";
-
+my $buffer = <$fh>;
+is($buffer, "#!./perl\n", "Got expected first line via handle");
ungetc $fh ord 'A';
+my $buf;
CORE::read($fh, $buf,1);
-print $buf eq 'A' ? "ok 4\n" : "not ok 4\n";
-
+is($buf, 'A', "Got expected ordinal value via ungetc in handle's input stream");
close $fh;
$fh = new FileHandle;
-
-print "not " unless ($fh->open("< TEST") && <$fh> eq $buffer);
-print "ok 5\n";
+ok(($fh->open("< TEST") && <$fh> eq $buffer),
+ "FileHandle open() method created handle, which got expected first line");
$fh->seek(0,0);
-print "#possible mixed CRLF/LF in t/TEST\nnot " unless (<$fh> eq $buffer);
-print "ok 6\n";
+ok((<$fh> eq $buffer), "Averted possible mixed CRLF/LF in t/TEST");
$fh->seek(0,2);
-$line = <$fh>;
-print "not " if (defined($line) || !$fh->eof);
-print "ok 7\n";
+my $line = <$fh>;
+ok(! (defined($line) || !$fh->eof), "FileHandle seek() and eof() methods");
-print "not " unless ($fh->open("TEST","r") && !$fh->tell && $fh->close);
-print "ok 8\n";
+ok(($fh->open("TEST","r") && !$fh->tell && $fh->close),
+ "FileHandle open(), tell() and close() methods");
autoflush STDOUT 0;
-
-print "not " if ($|);
-print "ok 9\n";
+ok(! $|, "handle not auto-flushing current output channel");
autoflush STDOUT 1;
+ok($|, "handle auto-flushing current output channel");
+
+SKIP: {
+ skip "No fork or pipe on DOS", 1 if ($^O eq 'dos');
+
+ my ($rd,$wr) = FileHandle::pipe;
+ my $non_forking = (
+ $^O eq 'VMS' || $^O eq 'os2' || $^O eq 'amigaos' ||
+ $^O eq 'MSWin32' || $^O eq 'NetWare' || $Config{d_fork} ne 'define'
+ );
+ my $content = "Writing to one end of a pipe, reading from the other\n";
+ if ($non_forking) {
+ $wr->autoflush;
+ $wr->print($content);
+ is($rd->getline, $content,
+ "Read content from pipe on non-forking platform");
+ }
+ else {
+ my $child;
+ if ($child = fork) {
+ # parent
+ $wr->close;
+ is($rd->getline, $content,
+ "Read content from pipe on forking platform");
+ }
+ elsif (defined $child) {
+ # child
+ $rd->close;
+ $wr->print($content);
+ exit(0);
+ }
+ else {
+ die "fork failed: $!";
+ }
+ }
-print "not " unless ($|);
-print "ok 10\n";
-
-if ($^O eq 'dos')
-{
- printf("ok %d\n",11);
- exit(0);
-}
-
-($rd,$wr) = FileHandle::pipe;
-
-if ($^O eq 'VMS' || $^O eq 'os2' || $^O eq 'amigaos' || $^O eq 'MSWin32' || $^O eq 'NetWare' ||
- $Config{d_fork} ne 'define') {
- $wr->autoflush;
- $wr->printf("ok %d\n",11);
- print $rd->getline;
-}
-else {
- if (fork) {
- $wr->close;
- print $rd->getline;
- }
- else {
- $rd->close;
- $wr->printf("ok %d\n",11);
- exit(0);
- }
-}
+} # END: SKIP for dos
-print FileHandle->new('','r') ? "not ok 12\n" : "ok 12\n";
+ok(!FileHandle->new('', 'r'), "Can't open empty filename");