#!./perl
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use strict;
use warnings;
plan 10;
# Need to run this in a quiet private directory as it assumes that it can read
# the contents twice and get the same result.
my $tempdir = tempfile;
mkdir $tempdir, 0700 or die "Can't mkdir '$tempdir': $!";
chdir $tempdir or die die "Can't chdir '$tempdir': $!";
my $cleanup = 1;
my %tempfiles;
END {
if ($cleanup) {
foreach my $file (keys %tempfiles) {
# We only wrote each of these once so 1 delete should work:
if (unlink $file) {
warn "unlink tempfile '$file' passed but it's still there"
if -e $file;
} else {
warn "Couldn't unlink tempfile '$file': $!";
}
}
chdir '..' or die "Couldn't chdir .. for cleanup: $!";
rmdir $tempdir or die "Couldn't unlink tempdir '$tempdir': $!";
}
}
# This is intentionally not random (per run), but intentionally will try to
# give different file names for different people running this test.
srand $< * $];
my @chars = ('A' .. 'Z', 'a' .. 'z', 0 .. 9);
sub make_file {
my $name = shift;
return if $tempfiles{$name}++;
print "# Writing to $name in $tempdir\n";
open my $fh, '>', $name or die "Can't open '$name' for writing: $!\n";
print $fh <<'FILE0';
This file is here for testing
while(readdir $dir){...}
... while readdir $dir
etc
FILE0
close $fh or die "Can't close '$name': $!";
}
sub make_some_files {
for (1..int rand 10) {
my $name;
$name .= $chars[rand $#chars] for 1..int(10 + rand 5);
make_file($name);
}
}
make_some_files();
make_file('0');
make_some_files();
ok(-f '0', "'0' file is here");
opendir my $dirhandle, '.'
or die "Failed test: unable to open directory: $!\n";
my @dir = readdir $dirhandle;
rewinddir $dirhandle;
{
my @list;
while(readdir $dirhandle){
push @list, $_;
}
ok( eq_array( \@dir, \@list ), 'while(readdir){push}' );
rewinddir $dirhandle;
}
{
my @list;
push @list, $_ while readdir $dirhandle;
ok( eq_array( \@dir, \@list ), 'push while readdir' );
rewinddir $dirhandle;
}
{
my $tmp;
my @list;
push @list, $tmp while $tmp = readdir $dirhandle;
ok( eq_array( \@dir, \@list ), 'push $dir while $dir = readdir' );
rewinddir $dirhandle;
}
{
my @list;
while( my $dir = readdir $dirhandle){
push @list, $dir;
}
ok( eq_array( \@dir, \@list ), 'while($dir=readdir){push}' );
rewinddir $dirhandle;
}
{
my @list;
my $sub = sub{
push @list, $_;
};
$sub->($_) while readdir $dirhandle;
ok( eq_array( \@dir, \@list ), '$sub->($_) while readdir' );
rewinddir $dirhandle;
}
{
my $works = 0;
while(readdir $dirhandle){
$_ =~ s/\.$// if defined $_ && $^O eq 'VMS'; # may have zero-length extension
if( defined $_ && $_ eq '0'){
$works = 1;
last;
}
}
ok( $works, 'while(readdir){} with file named "0"' );
rewinddir $dirhandle;
}
{
my $works = 0;
my $sub = sub{
$_ =~ s/\.$// if defined $_ && $^O eq 'VMS'; # may have zero-length extension
if( defined $_ && $_ eq '0' ){
$works = 1;
}
};
$sub->($_) while readdir $dirhandle;
ok( $works, '$sub->($_) while readdir; with file named "0"' );
rewinddir $dirhandle;
}
{
my $works = 0;
while( my $dir = readdir $dirhandle ){
$dir =~ s/\.$// if defined $dir && $^O eq 'VMS'; # may have zero-length extension
if( defined $dir && $dir eq '0'){
$works = 1;
last;
}
}
ok( $works, 'while($dir=readdir){} with file named "0"');
rewinddir $dirhandle;
}
{
my $tmp;
my $ok;
my @list;
while( $tmp = readdir $dirhandle ){
$tmp =~ s/\.$// if defined $tmp && $^O eq 'VMS'; # may have zero-length extension
last if defined($tmp)&& !$tmp && ($ok=1)
}
ok( $ok, '$dir while $dir = readdir; with file named "0"' );
rewinddir $dirhandle;
}
closedir $dirhandle;