summaryrefslogtreecommitdiff
path: root/t/io/read.t
blob: 8cc1640b597f3310e4def5746a7b686d37ac1077 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
    require './test.pl';
    eval 'use Errno';
    die $@ if $@ and !is_miniperl();
}

use strict;

plan tests => 2;

my $tmpfile = tempfile();

open(A,"+>$tmpfile");
print A "_";
seek(A,0,0);

my $b = "abcd"; 
$b = "";

read(A,$b,1,4);

close(A);

is($b,"\000\000\000\000_"); # otherwise probably "\000bcd_"

SKIP: {
    skip "no EBADF", 1 if (!exists &Errno::EBADF);

    $! = 0;
    no warnings 'unopened';
    read(B,$b,1);
    ok($! == &Errno::EBADF);
}