| 1 | #!./perl |
| 2 | |
| 3 | # $RCSfile$ |
| 4 | |
| 5 | BEGIN { |
| 6 | chdir 't' if -d 't'; |
| 7 | @INC = '../lib'; |
| 8 | require './test.pl'; |
| 9 | } |
| 10 | |
| 11 | use strict; |
| 12 | eval 'use Errno'; |
| 13 | die $@ if $@ and !$ENV{PERL_CORE_MINITEST}; |
| 14 | |
| 15 | plan tests => 2; |
| 16 | |
| 17 | open(A,"+>a"); |
| 18 | print A "_"; |
| 19 | seek(A,0,0); |
| 20 | |
| 21 | my $b = "abcd"; |
| 22 | $b = ""; |
| 23 | |
| 24 | read(A,$b,1,4); |
| 25 | |
| 26 | close(A); |
| 27 | |
| 28 | unlink("a"); |
| 29 | |
| 30 | is($b,"\000\000\000\000_"); # otherwise probably "\000bcd_" |
| 31 | |
| 32 | unlink 'a'; |
| 33 | |
| 34 | SKIP: { |
| 35 | skip "no EBADF", 1 if (!exists &Errno::EBADF); |
| 36 | |
| 37 | $! = 0; |
| 38 | read(B,$b,1); |
| 39 | ok($! == &Errno::EBADF); |
| 40 | } |