public virtual void TestLru()
{
LRUHashMap <string, string> lru = new LRUHashMap <string, string>(3);
Assert.AreEqual(0, lru.Count);
lru.Put("one", "Hello world");
Assert.AreEqual(1, lru.Count);
lru.Put("two", "Hi man");
Assert.AreEqual(2, lru.Count);
lru.Put("three", "Bonjour");
Assert.AreEqual(3, lru.Count);
lru.Put("four", "Shalom");
Assert.AreEqual(3, lru.Count);
Assert.NotNull(lru.Get("three"));
Assert.NotNull(lru.Get("two"));
Assert.NotNull(lru.Get("four"));
Assert.Null(lru.Get("one"));
lru.Put("five", "Yo!");
Assert.AreEqual(3, lru.Count);
Assert.Null(lru.Get("three")); // three was last used, so it got removed
Assert.NotNull(lru.Get("five"));
lru.Get("four");
lru.Put("six", "hi");
lru.Put("seven", "hey dude");
Assert.AreEqual(3, lru.Count);
Assert.Null(lru.Get("one"));
Assert.Null(lru.Get("two"));
Assert.Null(lru.Get("three"));
Assert.NotNull(lru.Get("four"));
Assert.Null(lru.Get("five"));
Assert.NotNull(lru.Get("six"));
Assert.NotNull(lru.Get("seven"));
// LUCENENET specific tests to ensure Put is implemented correctly
Assert.Null(lru.Put("ten", "oops"));
assertEquals("oops", lru.Put("ten", "not oops"));
assertEquals("not oops", lru.Put("ten", "new value"));
assertEquals("new value", lru.Put("ten", "new value2"));
}
public virtual void TestLru()
{
LRUHashMap <string, string> lru = new LRUHashMap <string, string>(3, 1);
Assert.AreEqual(0, lru.Size());
lru.Put("one", "Hello world");
Assert.AreEqual(1, lru.Size());
lru.Put("two", "Hi man");
Assert.AreEqual(2, lru.Size());
lru.Put("three", "Bonjour");
Assert.AreEqual(3, lru.Size());
lru.Put("four", "Shalom");
Assert.AreEqual(3, lru.Size());
Assert.NotNull(lru.Get("three"));
Assert.NotNull(lru.Get("two"));
Assert.NotNull(lru.Get("four"));
Assert.Null(lru.Get("one"));
lru.Put("five", "Yo!");
Assert.AreEqual(3, lru.Size());
Assert.Null(lru.Get("three")); // three was last used, so it got removed
Assert.NotNull(lru.Get("five"));
lru.Get("four");
lru.Put("six", "hi");
lru.Put("seven", "hey dude");
Assert.AreEqual(3, lru.Size());
Assert.Null(lru.Get("one"));
Assert.Null(lru.Get("two"));
Assert.Null(lru.Get("three"));
Assert.NotNull(lru.Get("four"));
Assert.Null(lru.Get("five"));
Assert.NotNull(lru.Get("six"));
Assert.NotNull(lru.Get("seven"));
}