--- /dev/null
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use Test::More;
+
+unshift(@INC, './t/lib');
+
+plan tests => 9;
+
+my $warnings;
+eval {
+ local $SIG{__WARN__} = sub { $warnings .= shift };
+ package DBICNSTestOther;
+ use base qw/DBIx::Class::Schema/;
+ __PACKAGE__->load_namespaces(
+ source_namespace => '+DBICNSTest::Src',
+ resultset_namespace => '+DBICNSTest::RSet',
+ result_namespace => '+DBICNSTest::Res'
+ );
+};
+ok(!$@) or diag $@;
+like($warnings, qr/load_namespaces found ResultSet class C with no corresponding source-definition class/);
+like($warnings, qr/load_namespaces found Result class C with no corresponding source-definition class/);
+
+my $source_a = DBICNSTestOther->source('A');
+isa_ok($source_a, 'DBIx::Class::ResultSource::Table');
+my $rset_a = DBICNSTestOther->resultset('A');
+isa_ok($rset_a, 'DBICNSTest::RSet::A');
+my $resclass_a = DBICNSTestOther->resultset('A')->result_class;
+is($resclass_a, 'DBICNSTest::Res::A');
+
+my $source_b = DBICNSTestOther->source('B');
+isa_ok($source_b, 'DBIx::Class::ResultSource::Table');
+my $rset_b = DBICNSTestOther->resultset('B');
+isa_ok($rset_b, 'DBIx::Class::ResultSet');
+my $resclass_b = DBICNSTestOther->resultset('B')->result_class;
+is($resclass_b, 'DBICNSTest::Src::B');