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#!./perl
BEGIN {
chdir 't' if -d 't';
push @INC, ".";
push @INC, "../lib";
require 'test.pl';
}
use strict;
my $prefix = 'tmp_'._num_to_alpha($$)."_";
sub skip_files{
my($skip,$to,$next) = @_;
my($last,$check);
my $cmp = $prefix . $to;
for( 1..$skip ){
$check = tempfile();
$last = $_;
if( $check eq $cmp && $_ != $skip ){
# let the next test pass
last;
}
}
local $main::Level = $main::Level + 1;
my $common_mess = "skip $skip filenames to $to so that the next one will end with $next";
if( $last == $skip ){
if( $check eq $cmp ){
pass( $common_mess );
}else{
my($alpha) = $check =~ /\Atmp_[A-Z]+_([A-Z]+)\Z/;
fail( $common_mess );
diag( "only skipped to $alpha" );
}
}else{
fail( $common_mess );
diag( "only skipped $last out of $skip files" );
}
}
note("skipping the first filename because it is taken for use by _fresh_perl()");
is( tempfile(), "${prefix}B");
is( tempfile(), "${prefix}C");
{
ok( open( my $fh, '>', "${prefix}D" ), 'created file with the next filename' );
is( tempfile(), "${prefix}E", 'properly skips files that already exist');
if( close($fh) ){
unlink_all("${prefix}D");
}else{
tempfile(); # allow the rest of the tests to work correctly
}
}
ok( register_tempfile("${prefix}F"), 'registered the next file with register_tempfile' );
is( tempfile(), "${prefix}G", 'tempfile() properly skips files added with register_tempfile()' );
skip_files(18,'Y','Z');
is( tempfile(), "${prefix}Z", 'Last single letter filename');
is( tempfile(), "${prefix}AA", 'First double letter filename');
skip_files(24,'AY','AZ');
is( tempfile(), "${prefix}AZ");
is( tempfile(), "${prefix}BA");
# note that 3 character suffixes are distinct from 2 character suffixes,
# which are distinct from 1 character suffixes. Thus 18278 files max for
# a 3 character suffix max.
skip_files((26 * 26 * 26) + (26*24 + 24) ,'ZZY','ZZZ');
is( tempfile(), "${prefix}ZZZ", 'Last available filename');
ok( !eval{tempfile()}, 'Should bail after Last available filename' );
my $err = "$@";
like( $err, qr{^panic: Too many tempfile\(\)s}, 'check error string' );
{
my $returned = runperl( progs => [
'require q[./test.pl];',
'my $t = tempfile();',
'print qq[$t|];',
'print open(FH,q[>],$t) ? qq[ok|] : qq[not ok|] ;',
'print -e $t ? qq[ok|] : qq[not ok|];',
'print close(FH) ? qq[ok] : qq[not ok];', # see comment below
] );
# NOTE, on Win32 we cannot unlink an open file, so we MUST
# close the file before the program exits.
$returned =~ s/\n//g; # spurious newlines writing throuh pipe on VMS
my($filename,$opened,$existed,$closed) = split /\|/, $returned;
is( $opened, 'ok', "$filename created" );
is( $existed, 'ok', "$filename did exist" );
is( $closed, 'ok', "$filename was closed" );
ok( !-e $filename, "$filename doesn't exist now" );
}
done_testing();
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