public void ByCustomer_Should_Throw_ArgumentException_If_CustomerId_Is_Empty() { IQueryable <BillingInfo> billingInfos = new BillingInfo[0].AsQueryable(); Guid customerId = Guid.Empty; var ex = Assert.Throws <ArgumentException>(() => BillingInfoExtensions.ByCustomer(billingInfos, customerId)); Assert.Equal(nameof(customerId), ex.ParamName); }
public void ByCustomer_Should_Throw_ArgumentNullException_If_BillingInfos_Is_Null() { IQueryable <BillingInfo> billingInfos = null; Guid customerId = Guid.NewGuid(); var ex = Assert.Throws <ArgumentNullException>(() => BillingInfoExtensions.ByCustomer(billingInfos, customerId)); Assert.Equal(nameof(billingInfos), ex.ParamName); }