public void Linq2UsingGroup_CustomersAndSuppliers_2CustomersHaveSuppliers()
{
var result = SelectExtensions.Linq2UsingGroup(DataSource.Customers, DataSource.Suppliers).ToList();
Assert.That(() => result.Count, Is.EqualTo(DataSource.Customers.Count));
foreach (var(customer, suppliers) in result)
{
if (suppliers.All(x => x is null))
{
continue;
}
foreach (var supplier in suppliers)
{
StringAssert.AreEqualIgnoringCase(customer.City, supplier.City);
StringAssert.AreEqualIgnoringCase(customer.Country, supplier.Country);
}
}
}
public void Linq2UsingGroup_NullCustomer_ThrowsArgumentNullException()
{
Assert.That(() => SelectExtensions.Linq2UsingGroup(null, null).ToList(), Throws.ArgumentNullException);
}