public function testLoadReverseRelations()
{
$handler = $this->getContentHandler();
$gatewayMock = $this->getGatewayMock();
$mapperMock = $this->getMapperMock();
$gatewayMock->expects($this->once())->method('loadReverseRelations')->with($this->equalTo(23), $this->equalTo(null))->will($this->returnValue(array(42)));
$mapperMock->expects($this->once())->method('extractRelationsFromRows')->with($this->equalTo(array(42)))->will($this->returnValue($this->getRelationFixture()));
$result = $handler->loadReverseRelations(23);
$this->assertEquals($result, $this->getRelationFixture());
}