public void Test_NotEmpty_WhenAdding()
{
MaxPQ <Int32> pq = new MaxPQ <Int32>(2);
pq.Add(18);
pq.Add(2);
Assert.False(pq.IsEmpty);
Assert.Equal(2, pq.Count);
}
public void Test_Empty_WhenCleaning()
{
MaxPQ <Int32> pq = new MaxPQ <Int32>(1);
pq.Add(2);
pq.DeleteMax();
Assert.True(pq.IsEmpty);
Assert.Equal(0, pq.Count);
}
public void Test_Add_Max()
{
MaxPQ <Int32> pq = new MaxPQ <Int32>(10);
for (int i = 1; i < 11; i++)
{
pq.Add(i);
}
Assert.Equal(10, pq.Max());
}
public void Test_Add_DeleteMax_Order()
{
MaxPQ <Int32> pq = new MaxPQ <Int32>(10);
for (int i = 1; i < 11; i++)
{
pq.Add(i);
}
for (int i = 10; i > 0; i--)
{
Assert.Equal(pq.DeleteMax(), i);
}
}
public void TestAdd()
{
int[] a = Range(100);
Shuffle(a);
MaxPQ <int> pq = new MaxPQ <int>();
pq.Add(10);
Assert.AreEqual(10, pq.Peek());
pq.Add(20);
Assert.AreEqual(20, pq.Peek());
for (int i = 0; i < 20; ++i)
{
pq.Add(i);
Assert.AreEqual(i + 3, pq.Count);
Assert.AreEqual(20, pq.Peek());
}
Assert.AreEqual(20, pq.DelMax());
Assert.AreEqual(19, pq.DelMax());
foreach (int val in a)
{
pq.Add(val);
}
Assert.AreEqual(99, pq.Peek());
}
