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#!./perl -w
use strict;
use Test::More;
use Config;
BEGIN {
plan(skip_all => "GDBM_File was not built")
unless $Config{extensions} =~ /\bGDBM_File\b/;
# https://rt.perl.org/Public/Bug/Display.html?id=117967
plan(skip_all => "GDBM_File is flaky in $^O")
if $^O =~ /darwin/;
plan(tests => 8);
use_ok('GDBM_File');
}
unlink <Op_dbmx*>;
open my $fh, '<', $^X or die "Can't open $^X: $!";
my $fileno = fileno $fh;
isnt($fileno, undef, "Can find next available file descriptor");
close $fh or die $!;
is((open $fh, "<&=$fileno"), undef,
"Check that we cannot open fileno $fileno. \$! is $!");
umask(0);
my %h;
isa_ok(tie(%h, 'GDBM_File', 'Op_dbmx', GDBM_WRCREAT, 0640), 'GDBM_File');
isnt((open $fh, "<&=$fileno"), undef, "dup fileno $fileno")
or diag("\$! = $!");
isnt(close $fh, undef,
"close fileno $fileno, out from underneath the GDBM_File");
is(eval {
$h{Perl} = 'Rules';
untie %h;
1;
}, undef, 'Trapped error when attempting to write to knobbled GDBM_File');
# Observed "File write error" and "lseek error" from two different systems.
# So there might be more variants. Important part was that we trapped the error
# via croak.
like($@, qr/ at .*\bfatal\.t line \d+\.\n\z/,
'expected error message from GDBM_File');
unlink <Op_dbmx*>;
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