public void TestContainsKey()
{
Assert.IsTrue(hm.ContainsKey(876.ToString()), "Returned false for valid key");
Assert.IsTrue(!hm.ContainsKey("KKDKDKD"), "Returned true for invalid key");
HashMap <Object, Object> m = new HashMap <Object, Object>();
m.Put(null, "test");
Assert.IsTrue(m.ContainsKey(null), "Assert.Failed with null key");
Assert.IsTrue(!m.ContainsKey(0), "Assert.Failed with missing key matching null hash");
}
public override bool Contains(E obj)
{
return(backingMap.ContainsKey(obj));
}
public void TestPut2()
{
hm.Put("KEY", "VALUE");
Assert.AreEqual("VALUE", hm.Get("KEY"), "Assert.Failed to install key/value pair");
HashMap <Object, Object> m = new HashMap <Object, Object>();
m.Put(0, "short");
m.Put(null, "test");
m.Put(0, "int");
Assert.AreEqual("int", m.Get(0), "Assert.Failed adding to bucket containing null");
Assert.AreEqual("int", m.Get(0), "Assert.Failed adding to bucket containing null2");
// Check my actual key instance is returned
HashMap <Object, String> map = new HashMap <Object, String>();
for (int i = -32767; i < 32768; i++)
{
map.Put(i, "foobar");
}
Object myKey = 0;
// Put a new value at the old key position
map.Put(myKey, "myValue");
Assert.IsTrue(map.ContainsKey(myKey));
Assert.AreEqual("myValue", map.Get(myKey));
bool found = false;
for (Iterator <Object> itr = map.KeySet().Iterator(); itr.HasNext;)
{
Object key = itr.Next();
if (found = key == myKey)
{
break;
}
}
Assert.IsFalse(found, "Should not find new key instance in hashmap");
// Add a new key instance and check it is returned
Assert.IsNotNull(map.Remove(myKey));
map.Put(myKey, "myValue");
Assert.IsTrue(map.ContainsKey(myKey));
Assert.AreEqual(map.Get(myKey), "myValue");
for (Iterator <Object> itr = map.KeySet().Iterator(); itr.HasNext;)
{
Object key = itr.Next();
if (found = key == myKey)
{
break;
}
}
Assert.IsTrue(found, "Did not find new key instance in hashmap");
// Ensure keys with identical hashcode are stored separately
HashMap <Object, Object> objmap = new HashMap <Object, Object>();
for (int i = 0; i < 32768; i++)
{
objmap.Put(i, "foobar");
}
// Put non-equal object with same hashcode
MyKey aKey = new MyKey();
Assert.IsNull(objmap.Put(aKey, "value"));
Assert.IsNull(objmap.Remove(new MyKey()));
Assert.AreEqual(objmap.Get(0), "foobar");
Assert.AreEqual(objmap.Get(aKey), "value");
}
public override bool Contains(K key)
{
return(parent.ContainsKey(key));
}
