public void ConstructorTest()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
Assert.IsTrue(queue.IsEmpty());
Assert.AreEqual(0, queue.Size());
Assert.IsTrue(string.IsNullOrWhiteSpace(queue.ToString()));
}
public void ResizingArrayQueueTest1()
{
ResizingArrayQueue <int> queue = new ResizingArrayQueue <int>();
Assert.AreEqual(0, queue.Count, "New queue has zero size");
Assert.AreEqual(true, queue.IsEmpty, "New queue is empty");
Assert.AreEqual("", IteratorToString(queue));
}
public void ToStringTest()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
for (int i = 0; i < 10; i++)
{
queue.Enqueue(i);
}
Assert.AreEqual("0 1 2 3 4 5 6 7 8 9", queue.ToString());
}
private string IteratorToString(ResizingArrayQueue <int> input)
{
StringBuilder sb = new StringBuilder();
foreach (int i in input)
{
sb.Append(i + " ");
}
return(sb.ToString());
}
public void TestResizingArrayQueue() {
var queue = new ResizingArrayQueue<string>();
queue.Enqueue("Hello");
queue.Enqueue("World");
queue.Enqueue("how");
queue.Enqueue("are");
queue.Enqueue("you");
foreach (var item in queue) {
Console.WriteLine(item);
}
}
public void ManyEnqueueTest()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
for (int i = 0; i < 10; i++)
{
queue.Enqueue(i);
Assert.IsFalse(queue.IsEmpty());
Assert.AreEqual(i + 1, queue.Size());
Assert.AreEqual(0, queue.Peek());
}
}
public void EnqueueAndDequeueTest_ReferenceType()
{
IQueue <String> queue = new ResizingArrayQueue <String>();
queue.Enqueue("1");
Assert.IsFalse(queue.IsEmpty());
Assert.AreEqual("1", queue.Peek());
Assert.AreEqual(1, queue.Size());
String value = queue.Dequeue();
Assert.IsTrue(queue.IsEmpty());
Assert.AreEqual(0, queue.Size());
Assert.AreEqual("1", value);
}
public void TestResizingArrayQueue()
{
var queue = new ResizingArrayQueue <string>();
queue.Enqueue("Hello");
queue.Enqueue("World");
queue.Enqueue("how");
queue.Enqueue("are");
queue.Enqueue("you");
foreach (var item in queue)
{
Console.WriteLine(item);
}
}
public void EnqueueAndDequeueTest_ValueType()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
queue.Enqueue(1);
Assert.IsFalse(queue.IsEmpty());
Assert.AreEqual(1, queue.Peek());
Assert.AreEqual(1, queue.Size());
int value = queue.Dequeue();
Assert.IsTrue(queue.IsEmpty());
Assert.AreEqual(0, queue.Size());
Assert.AreEqual(1, value);
}
public void ManyDequeueTest()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
for (int i = 0; i < 10; i++)
{
queue.Enqueue(i);
}
for (int i = 0; i < 10; i++)
{
int value = queue.Dequeue();
Assert.AreEqual(10 - i - 1, queue.Size());
Assert.AreEqual(i, value);
}
}
public void ResizedArrayQueueTest()
{
var q = new ResizingArrayQueue <int>();
q.Enqueue(1);
q.Enqueue(2);
Assert.IsTrue(q.Count == 2);
int i = q.Dequeue();
Assert.IsTrue(i == 1);
Assert.IsTrue(q.Count == 1);
i = q.Dequeue();
Assert.IsTrue(i == 2);
Assert.IsTrue(q.Count == 0);
}
[Test] // 1.3.14
public void ResizeQueue()
{
var queue = new ResizingArrayQueue <string>(2);
queue.Enqueue("a");
queue.Enqueue("b");
queue.Enqueue("c");
Assert.AreEqual("a", queue.Dequeue());
queue.Enqueue("d");
queue.Enqueue("e");
Assert.AreEqual("b", queue.Dequeue());
queue.Enqueue("f");
queue.Enqueue("g");
Assert.AreEqual("c", queue.Dequeue());
queue.Enqueue("h");
queue.Enqueue("i");
queue.Enqueue("j");
Assert.AreEqual("d", queue.Dequeue());
Assert.AreEqual("e", queue.Dequeue());
Assert.AreEqual("f", queue.Dequeue());
Assert.AreEqual("g", queue.Dequeue());
Assert.AreEqual("h", queue.Dequeue());
Assert.AreEqual("i", queue.Dequeue());
Assert.AreEqual("j", queue.Dequeue());
for (int i = 0; i < 32; i++)
{
queue.Enqueue("1");
Assert.AreEqual("1", queue.Dequeue());
}
for (int i = 0; i < 32; i++)
{
queue.Enqueue("2");
}
for (int i = 0; i < 32; i++)
{
queue.Enqueue("3");
Assert.AreEqual("2", queue.Dequeue());
}
for (int i = 0; i < 32; i++)
{
Assert.AreEqual("3", queue.Dequeue());
}
}
public void ResizingArrayQueueTest2()
{
int[] input = { 3, 2, 4, 6, 9 };
ResizingArrayQueue <int> queue = new ResizingArrayQueue <int>();
queue.Enqueue(3);
Assert.AreEqual("3 ", IteratorToString(queue));
queue.Enqueue(4);
Assert.AreEqual("3 4 ", IteratorToString(queue));
Assert.AreEqual(3, queue.Dequeue());
Assert.AreEqual(4, queue.Dequeue());
Assert.AreEqual(0, queue.Count, "New queue has zero size");
foreach (int i in input)
{
queue.Enqueue(i);
}
Assert.AreEqual(input.Length, queue.Count);
Assert.AreEqual("3 2 4 6 9 ", IteratorToString(queue));
}
public void ResizingArrayQueue_Positive()
{
var queue = new ResizingArrayQueue <int>();
Assert.IsTrue(queue.IsEmtpy());
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(5);
queue.Enqueue(7);
queue.Enqueue(9);
queue.Enqueue(16);
Assert.AreEqual(6, queue.Size());
Assert.AreEqual(1, queue.Dequeue());
Assert.AreEqual(2, queue.Dequeue());
Assert.AreEqual(5, queue.Dequeue());
Assert.AreEqual(7, queue.Dequeue());
Assert.AreEqual(2, queue.Size());
Assert.AreEqual(9, queue.Dequeue());
Assert.AreEqual(16, queue.Dequeue());
Assert.AreEqual(0, queue.Size());
queue.Enqueue(22);
queue.Enqueue(33);
queue.Enqueue(44);
var list = new List <int> {
22, 33, 44
};
var index = 0;
foreach (var i in queue)
{
Assert.AreEqual(i, list[index++]);
}
Assert.AreEqual(22, queue.Peek());
}
public void DequeueTest_Emptyqueue()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
queue.Dequeue();
}
public void EnqueueTest_NullItem()
{
IQueue <String> queue = new ResizingArrayQueue <String>();
queue.Enqueue(null);
}
public void PeekTest_Emptyqueue()
{
IQueue <int> queue = new ResizingArrayQueue <int>();
queue.Peek();
}
