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# Copyright (c) 2021-2025, PostgreSQL Global Development Group
use strict;
use warnings FATAL => 'all';
use PostgreSQL::Test::Cluster;
use PostgreSQL::Test::Utils;
use Test::More;
program_help_ok('pg_controldata');
program_version_ok('pg_controldata');
program_options_handling_ok('pg_controldata');
command_fails(['pg_controldata'], 'pg_controldata without arguments fails');
command_fails([ 'pg_controldata', 'nonexistent' ],
'pg_controldata with nonexistent directory fails');
my $node = PostgreSQL::Test::Cluster->new('main');
$node->init;
command_like([ 'pg_controldata', $node->data_dir ],
qr/checkpoint/, 'pg_controldata produces output');
# check with a corrupted pg_control
my $pg_control = $node->data_dir . '/global/pg_control';
my $size = -s $pg_control;
open my $fh, '>', $pg_control or BAIL_OUT($!);
binmode $fh;
# fill file with zeros
print $fh pack("x[$size]");
close $fh;
command_checks_all(
[ 'pg_controldata', $node->data_dir ],
0,
[qr/./],
[
qr/warning: calculated CRC checksum does not match value stored in control file/,
qr/warning: invalid WAL segment size/
],
'pg_controldata with corrupted pg_control');
done_testing();
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