public void VanEmdeBoasNodeTest(int universeSize)
{
var tree = new VanEmdeBoasTree <string>(universeSize);
Assert.Equal(universeSize, tree.Capacity);
for (int i = 0; i < universeSize; ++i)
{
Assert.False(tree.Contains(i));
}
for (int i = 0; i < universeSize; ++i)
{
tree.Insert(i, i.ToString());
}
Assert.Equal(universeSize, tree.Count);
for (int i = universeSize - 1; i > 0; i -= 3)
{
Assert.True(tree.Contains(i));
Assert.Equal(i.ToString(), tree.GetValue(i));
}
for (int i = 0; i < universeSize; ++i)
{
Assert.True(tree.Contains(i));
Assert.Equal(i.ToString(), tree.GetValue(i));
}
}
public void OutOfRanngeKeyTest()
{
var tree = new VanEmdeBoasTree <int>(64);
Assert.Throws <ArgumentOutOfRangeException>(() => tree.GetValue(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.GetValue(100));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Contains(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Contains(100));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Delete(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Delete(100));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Insert(-1, 1));
Assert.Throws <ArgumentOutOfRangeException>(() => tree.Insert(100, 1));
}
public void VanEmdeBoasNodeInsertTest()
{
var tree = new VanEmdeBoasTree <int>(64);
Assert.Equal(0, tree.Count);
Assert.False(tree.Contains(1));
Assert.True(tree.Insert(1, 11));
Assert.Equal(11, tree.GetValue(1));
Assert.True(tree.Contains(1));
Assert.False(tree.Insert(1, 10));
Assert.Equal(10, tree.GetValue(1));
Assert.True(tree.Contains(1));
Assert.False(tree.Contains(50));
Assert.True(tree.Insert(50, 101));
Assert.Equal(101, tree.GetValue(50));
Assert.True(tree.Contains(50));
Assert.Equal(2, tree.Count);
}
public void VanEmdeBoasNodeDeleteTest(int capacity, int expectedCapacity)
{
var tree = new VanEmdeBoasTree <int>(capacity);
Assert.Equal(expectedCapacity, tree.Capacity);
for (int i = 0; i < tree.Capacity; ++i)
{
tree.Insert(i, 100 * i);
}
int numDeleted = 0;
for (int i = 0; i < tree.Capacity; i += 3)
{
++numDeleted;
Assert.True(tree.Delete(i));
Assert.Equal(tree.Capacity - numDeleted, tree.Count);
}
for (int i = tree.Capacity - 2; i >= 0; i -= 2)
{
bool toDelete = i % 3 != 0;
Assert.Equal(toDelete, tree.Delete(i));
if (toDelete)
{
++numDeleted;
}
}
Assert.Equal(tree.Capacity - numDeleted, tree.Count);
for (int i = 0; i < tree.Capacity; i += 2)
{
bool deleted = (i % 2 == 0) || (i % 3 == 0);
Assert.Equal(!deleted, tree.Contains(i));
Assert.Equal(deleted ? 0 : i * 100, tree.GetValue(i));
}
}