doio.c	AOK

  Can't do bidirectional pipe
    open(F, "| true |");

  Missing command in piped open
    open(F, "| ");

  Missing command in piped open
    open(F, " |");

  warn(warn_nl, "open");
    open(F, "true\ncd")

  Close on unopened file <%s>
    $a = "fred";close($a)

  tell() on unopened file
    $a = "fred";$a = tell($a)

  seek() on unopened file
    $a = "fred";$a = seek($a,1,1)

  sysseek() on unopened file
    $a = "fred";$a = seek($a,1,1)

  warn(warn_uninit);
    print $a ;

  Stat on unopened file <%s> 
    close STDIN ; -x STDIN ;

  warn(warn_nl, "stat");
    stat "ab\ncd"

  warn(warn_nl, "lstat");
    lstat "ab\ncd"

  Can't exec \"%s\": %s 

  Can't exec \"%s\": %s 


__END__
# doio.c
use warning 'io' ;
open(F, "|$^X -e 1|")
EXPECT
Can't do bidirectional pipe at - line 3.
########
# doio.c
use warning 'io' ;
open(F, "|      ")
EXPECT
Missing command in piped open at - line 3.
########
# doio.c
use warning 'io' ;
open(F, "      |")
EXPECT
Missing command in piped open at - line 3.
########
# doio.c
use warning 'io' ;
open(F, "<true\ncd")
EXPECT
Unsuccessful open on filename containing newline at - line 3.
########
# doio.c
use warning 'io' ;
close STDIN ;
tell(STDIN);
$a = seek(STDIN,1,1);
$a = sysseek(STDIN,1,1);
-x STDIN ;
EXPECT
tell() on unopened file at - line 4.
seek() on unopened file at - line 5.
sysseek() on unopened file at - line 6.
Stat on unopened file <STDIN> at - line 7.
########
# doio.c
use warning 'uninitialized' ;
print $a ;
EXPECT
Use of uninitialized value at - line 3.
########
# doio.c
use warning 'io' ;

EXPECT

########
# doio.c
use warning 'io' ;
stat "ab\ncd";
lstat "ab\ncd";
EXPECT
Unsuccessful stat on filename containing newline at - line 3.
Unsuccessful stat on filename containing newline at - line 4.
########
# doio.c
use warning 'io' ;
exec "lskdjfalksdjfdjfkls","" ;
EXPECT
OPTION regex
Can't exec "lskdjfalksdjfdjfkls": .+
########
# doio.c
use warning 'io' ;
exec "lskdjfalksdjfdjfkls", "abc" ;
EXPECT
OPTION regex
Can't exec "lskdjfalksdjfdjfkls": .+