public void TestMapNullExceptions()
{
var map = new Customized32HashedMap <Order, Bill>();
Bill b;
Assert.Throws(typeof(ArgumentNullException), () => map.Add(null, null));
Assert.Throws(typeof(ArgumentNullException), () => map[null] = null);
Assert.Throws(typeof(ArgumentNullException), () => { var v = map[null]; });
Assert.Throws(typeof(ArgumentNullException), () => map.Remove(null));
Assert.Throws(typeof(ArgumentNullException), () => map.TryGetValue(null, out b));
Assert.Throws(typeof(ArgumentNullException), () => map.ContainsKey(null));
Assert.Throws(typeof(ArgumentNullException), () => map.CopyTo(null, 0));
var simpleMap = new Customized32HashedMap <int, string>();
simpleMap.Add(0, null);
}
public void TestHashMapOperations()
{
var orders = new Order[1000];
for (var i = 0; i < orders.Length; i++)
{
orders[i] = new Order()
{
Id = i, Name = Guid.NewGuid().ToString()
};
}
var bills = new Bill[1000];
for (var i = 0; i < bills.Length; i++)
{
bills[i] = new Bill()
{
Id = i, Count = i
};
}
IDictionary <Order, Bill> orderMap = new Customized32HashedMap <Order, Bill>(1000, x => x.Name.ToBytes());
Assert.Equal(0, orderMap.Keys.Count);
Assert.Equal(0, orderMap.Values.Count);
for (var i = 0; i < orders.Length; i++)
{
orderMap.Add(orders[i], bills[i]);
}
Assert.Equal(orders.Length, orderMap.Count);
var keys = orderMap.Keys;
Assert.Equal(orders.Length, keys.Count);
foreach (var key in keys)
{
Assert.True(orders.Contains(key, new OrderEqualityComparer()));
}
foreach (var o in orders)
{
Assert.True(keys.Contains(o, new OrderEqualityComparer()));
}
var values = orderMap.Values;
Assert.Equal(bills.Length, values.Count);
foreach (var v in values)
{
Assert.True(bills.Contains(v, new BillEqualityComparer()));
}
foreach (var bill in bills)
{
Assert.True(values.Contains(bill, new BillEqualityComparer()));
}
var order = new Order()
{
Id = 564, Name = "000000000000"
};
Bill b;
Assert.False(orderMap.TryGetValue(order, out b));
Assert.Equal(null, b);
for (var i = 0; i < 150; i++)
{
Bill bill;
Assert.Contains(new KeyValuePair <Order, Bill>(orders[200 + i], bills[200 + i]), orderMap);
Assert.True(orderMap.Contains(new KeyValuePair <Order, Bill>(orders[100 + i], bills[100 + i])));
Assert.True(orderMap.TryGetValue(orders[500], out bill));
Assert.Equal(orderMap[orders[500]], bill, new BillEqualityComparer());
}
foreach (var item in orderMap)
{
Assert.Contains(item.Key, orders, new OrderEqualityComparer());
Assert.Contains(item.Value, bills, new BillEqualityComparer());
}
var kvps1 = new KeyValuePair <Order, Bill> [1010];
orderMap.CopyTo(kvps1, 5);
for (var i = 0; i < 1000; i++)
{
Assert.Contains(kvps1[i + 5].Key, orders, new OrderEqualityComparer());
Assert.Contains(kvps1[i + 5].Value, bills, new BillEqualityComparer());
}
orderMap.Clear();
Assert.Equal(0, orderMap.Count);
Assert.Empty(orderMap);
foreach (var item in orderMap)
{
Assert.Equal(0, 1);
}
}