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