public void TestDeleteRemovesElement()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
collection.Put("key", 100);
collection.Delete("key");
Assert.IsFalse(collection._data.ContainsKey("key"));
}
public void TestGetRandomUsesRandomIndex()
{
var mockRandom = new Mock<Random>();
var collection = new RandomAccessDictionary<string, int>(10000, mockRandom.Object);
mockRandom.Setup((random) => random.Next(It.IsAny<int>())).Returns(0);
collection.Put("item1", 0);
collection.Put("item2", 1);
collection.Put("item3", 2);
Assert.AreEqual(0, collection.GetRandom());
Assert.AreEqual(1, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
Assert.AreEqual(0, collection.GetRandom());
Assert.AreEqual(1, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
collection.Delete("item1");
Assert.AreEqual(1, collection.GetRandom());
Assert.AreEqual(1, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
Assert.AreEqual(1, collection.GetRandom());
collection.Delete("item2");
Assert.AreEqual(2, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
Assert.AreEqual(2, collection.GetRandom());
}
private static RandomAccessDictionary<string, int> CreateTestCollection()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
for (int i = 0; i < 100000; i++)
{
collection.Put(i.ToString(), i);
}
return collection;
}
public void TestGetReturnsElement()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
var key = "sample_key";
var item = 12345;
collection.Put(key, item);
Assert.AreEqual(item, collection.Get(key));
}
public void TestGetMissingKeyThrowsException()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
collection.Get("missing_key");
}
public void TestDeleteReturnsTrueOnRemove()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
collection.Put("key", 100);
Assert.IsTrue(collection.Delete("key"));
}
public void TestDeleteReturnsFalseIfNothingRemoved()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
Assert.IsFalse(collection.Delete("missing_key"));
}
public void TestStartCapacityMustBe_10000_OrMore()
{
var collection = new RandomAccessDictionary<string, int>(100, new Random());
}
public void TestPutThrowsArgumentExceptionForDuplicateKeys()
{
var collection = new RandomAccessDictionary<string, int>(10000, new Random());
collection.Put("key", 10);
collection.Put("key", 123);
}
