public void check_get_campaign_with_null_cases(String campaign, String product, String dummyCampaignName) { PoolManager poolManager = new PoolManager(); String[] sCamp = campaign.Split(" "); String[] sPro = product.Split(" "); Campaign campaignTemp = new Campaign(sCamp[1], sCamp[2], Double.Parse(sCamp[3]), Double.Parse(sCamp[4]), Double.Parse(sCamp[5])); Product productTemp = new Product(sPro[1], Double.Parse(sPro[2]), Double.Parse(sPro[3]), false); poolManager.getProducts().Add(productTemp); poolManager.getCampaigns().Add(campaignTemp); Assert.Null(campaignController.getCampaign(dummyCampaignName, poolManager)); }