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#!./perl
# A modest test: exercises only O_WRONLY, O_CREAT, and O_RDONLY.
# Have to be modest to be portable: could possibly extend testing
# also to O_RDWR and O_APPEND, but dunno about the portability of,
# say, O_TRUNC and O_EXCL, not to mention O_NONBLOCK.
use Fcntl;
print "1..6\n";
print "ok 1\n";
if (sysopen(my $wo, "fcntl$$", O_WRONLY|O_CREAT)) {
print "ok 2\n";
if (syswrite($wo, "foo") == 3) {
print "ok 3\n";
close($wo);
if (sysopen(my $ro, "fcntl$$", O_RDONLY)) {
print "ok 4\n";
if (sysread($ro, my $read, 3)) {
print "ok 5\n";
if ($read eq "foo") {
print "ok 6\n";
} else {
print "not ok 6 # content '$read' not ok\n";
}
} else {
print "not ok 5 # sysread failed: $!\n";
}
} else {
print "not ok 4 # sysopen O_RDONLY failed: $!\n";
}
close($ro);
} else {
print "not ok 3 # syswrite failed: $!\n";
}
close($wo);
} else {
print "not ok 2 # sysopen O_WRONLY failed: $!\n";
}
END {
1 while unlink "fcntl$$";
}
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