+package AttrTimestampTestDummy;
+
+use base qw(SL::DB::Object);
+
+__PACKAGE__->meta->setup(
+ table => 'dummy',
+ columns => [ dummy => { type => 'timestamp' }, ]
+);
+
+use SL::DB::Helper::Attr;
+
+package main;
+
+use strict;
+
+use Test::More;
+
+use lib 't';
+use utf8;
+
+use Support::TestSetup;
+
+sub new { return AttrTimestampTestDummy->new(@_) }
+sub new_dt { DateTime->new(year => 2014, month => 5, day => 31, hour => 23, minute => 9, second => 8, nanosecond => 12000000) }
+
+Support::TestSetup::login();
+
+$::myconfig{dateformat} = 'dd.mm.yy';
+$::myconfig{numberformat} = '1.000,00';
+
+is(new->dummy, undef, 'uninitialized: raw');
+is(new->dummy_as_timestamp, undef, 'uninitialized: as_timestamp');
+is(new->dummy_as_timestamp_s, undef, 'uninitialized: as_timestamp_s');
+is(new->dummy_as_timestamp_ms, undef, 'uninitialized: as_timestamp_ms');
+
+is(new(dummy => new_dt())->dummy, new_dt(), 'initialized with DateTime, raw');
+is(new(dummy => new_dt())->dummy_as_timestamp, '31.05.2014 23:09', 'initialized with DateTime: as_timestamp');
+is(new(dummy => new_dt())->dummy_as_timestamp_s, '31.05.2014 23:09:08', 'initialized with DateTime: as_timestamp_s');
+is(new(dummy => new_dt())->dummy_as_timestamp_ms, '31.05.2014 23:09:08,012', 'initialized with DateTime: as_timestamp_ms');
+
+is(new(dummy_as_timestamp => '31.05.2014')->dummy, new_dt()->truncate(to => 'day'), 'initialized with string: as_timestamp, precision day');
+is(new(dummy_as_timestamp => '31.05.2014 23')->dummy, new_dt()->truncate(to => 'hour'), 'initialized with string: as_timestamp, precision hour');
+is(new(dummy_as_timestamp => '31.05.2014 23:9')->dummy, new_dt()->truncate(to => 'minute'), 'initialized with string: as_timestamp, precision minute');
+is(new(dummy_as_timestamp => '31.05.2014 23:9:8')->dummy, new_dt()->truncate(to => 'second'), 'initialized with string: as_timestamp, precision second');
+is(new(dummy_as_timestamp => '31.05.2014 23:9:8,012')->dummy, new_dt(), 'initialized with string: as_timestamp, precision millisecond');
+
+is(new(dummy_as_timestamp_s => '31.05.2014')->dummy, new_dt()->truncate(to => 'day'), 'initialized with string: as_timestamp_s, precision day');
+is(new(dummy_as_timestamp_s => '31.05.2014 23')->dummy, new_dt()->truncate(to => 'hour'), 'initialized with string: as_timestamp_s, precision hour');
+is(new(dummy_as_timestamp_s => '31.05.2014 23:9')->dummy, new_dt()->truncate(to => 'minute'), 'initialized with string: as_timestamp_s, precision minute');
+is(new(dummy_as_timestamp_s => '31.05.2014 23:9:8')->dummy, new_dt()->truncate(to => 'second'), 'initialized with string: as_timestamp_s, precision second');
+is(new(dummy_as_timestamp_s => '31.05.2014 23:9:8,012')->dummy, new_dt(), 'initialized with string: as_timestamp_s, precision millisecond');
+
+is(new(dummy_as_timestamp_ms => '31.05.2014')->dummy, new_dt()->truncate(to => 'day'), 'initialized with string: as_timestamp_ms, precision day');
+is(new(dummy_as_timestamp_ms => '31.05.2014 23')->dummy, new_dt()->truncate(to => 'hour'), 'initialized with string: as_timestamp_ms, precision hour');
+is(new(dummy_as_timestamp_ms => '31.05.2014 23:9')->dummy, new_dt()->truncate(to => 'minute'), 'initialized with string: as_timestamp_ms, precision minute');
+is(new(dummy_as_timestamp_ms => '31.05.2014 23:9:8')->dummy, new_dt()->truncate(to => 'second'), 'initialized with string: as_timestamp_ms, precision second');
+is(new(dummy_as_timestamp_ms => '31.05.2014 23:9:8,012')->dummy, new_dt(), 'initialized with string: as_timestamp_ms, precision millisecond');
+
+my $item = new();
+is($item->dummy_as_timestamp_ms('31.05.2014'), '31.05.2014 00:00:00,000', 'return value of accessor as_timestamp_ms, precision day');
+is($item->dummy_as_timestamp_ms('31.05.2014 23'), '31.05.2014 23:00:00,000', 'return value of accessor as_timestamp_ms, precision hour');
+is($item->dummy_as_timestamp_ms('31.05.2014 23:9'), '31.05.2014 23:09:00,000', 'return value of accessor as_timestamp_ms, precision minute');
+is($item->dummy_as_timestamp_ms('31.05.2014 23:9:8'), '31.05.2014 23:09:08,000', 'return value of accessor as_timestamp_ms, precision second');
+is($item->dummy_as_timestamp_ms('31.05.2014 23:9:8,012'), '31.05.2014 23:09:08,012', 'return value of accessor as_timestamp_ms, precision millisecond');
+
+done_testing();