public void NullComparer()
{
CustomerRec[] outer = new []
{
new CustomerRec{ name = "Prakash", custID = 98022 },
new CustomerRec{ name = "Tim", custID = 99021 },
new CustomerRec{ name = "Robert", custID = 99022 }
};
AnagramRec[] inner = new []
{
new AnagramRec{ name = "miT", orderID = 43455, total = 10 },
new AnagramRec{ name = "Prakash", orderID = 323232, total = 9 }
};
JoinRec[] expected = new [] { new JoinRec{ name = "Prakash", orderID = 323232, total = 9 } };
Assert.Equal(expected, outer.AsQueryable().Join(inner.AsQueryable(), e => e.name, e => e.name, (cr, or) => new JoinRec { name = cr.name, orderID = or.orderID, total = or.total }, null));
}