/// <summary>
/// Gets or sets the value associated with the specified key.
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public TValue this[TKey key]
{
get
{
TValue value = map.Get(key);
if (ReferenceEquals(value, default(TValue)) && !map.Contains(key)) // as lookups are lighning fast, we spare us the implicit
// allocation a call to TryGetValue would mean.
{
throw new KeyNotFoundException();
}
return(value);
}
set
{
map.Put(key, value);
}
}
public void testPutIfAbsent()
{
var key1 = new MyKey();
var key2 = new MyKey();
var key3 = new MyKey();
var value1 = new MyValue();
var value2 = new MyValue();
var value3 = new MyValue();
var map = new OpenIdentityHashMap<MyKey, MyValue>();
AssertEquals(null, map.Put(key1, value1));
AssertEquals(value1, map.Put(key1, value2));
AssertEquals(value2, map.Put(key1, value1));
AssertEquals(null, map.Put(key3, value3));
AssertEquals(value1, map.PutIfAbsent(key1, value2));
AssertEquals(null, map.PutIfAbsent(key2, value2));
AssertEquals(value2, map.PutIfAbsent(key2, value1));
AssertEquals(value3, map.Put(key3, value2));
}
public void testPutIfAbsent()
{
var key1 = new MyKey();
var key2 = new MyKey();
var key3 = new MyKey();
var value1 = new MyValue();
var value2 = new MyValue();
var value3 = new MyValue();
var map = new OpenIdentityHashMap <MyKey, MyValue>();
AssertEquals(null, map.Put(key1, value1));
AssertEquals(value1, map.Put(key1, value2));
AssertEquals(value2, map.Put(key1, value1));
AssertEquals(null, map.Put(key3, value3));
AssertEquals(value1, map.PutIfAbsent(key1, value2));
AssertEquals(null, map.PutIfAbsent(key2, value2));
AssertEquals(value2, map.PutIfAbsent(key2, value1));
AssertEquals(value3, map.Put(key3, value2));
}