--- /dev/null
+use strict;
+use Test::More;
+
+BEGIN {
+ eval "use DBIx::Class::CDBICompat;";
+ plan skip_all => "Class::Trigger and DBIx::ContextualFetch required: $@"
+ if $@;
+ plan skip_all => "DateTime required" unless eval { require DateTime };
+ plan tests => 2;
+}
+
+
+# Don't use Test::NoWarnings because of an unrelated DBD::SQLite warning.
+my @warnings;
+local $SIG{__WARN__} = sub {
+ push @warnings, @_;
+};
+
+{
+ package Thing;
+
+ use base 'DBIx::Class::Test::SQLite';
+
+ Thing->columns(All => qw[thing_id this that date]);
+}
+
+my $thing = Thing->construct({ thing_id => 23, this => 42 });
+$thing->set( this => undef );
+is $thing->get( "this" ), undef, 'undef set';
+$thing->discard_changes;
+
+is @warnings, 0, 'no warnings';