public void CanMaintainDirtyFlag()
{
var qt = new PointQuadtree <int>();
// New empty inverted index isn't dirty:
Assert.False(qt.IsDirty);
qt.Add(0, new Point(0, 0));
// After adding an item, it's dirty:
Assert.True(qt.IsDirty);
qt.Build();
// After building, the index is clean:
Assert.False(qt.IsDirty);
qt.Add(1, new Point(1, 1));
// After adding items, index is dirty:
Assert.True(qt.IsDirty);
qt.Clear();
// After clearing, index is empty and thus clean:
Assert.False(qt.IsDirty);
}
public void CanBoundingBox()
{
var qt = new PointQuadtree <int>();
Assert.False(qt.IsDirty);
Assert.Equal(0, qt.ItemCount);
Assert.Null(qt.BoundingBox);
qt.Add(33, new Point(3, 3));
qt.Build();
Assert.NotNull(qt.BoundingBox);
Assert.Equal(new Envelope(3, 3, 3, 3), qt.BoundingBox);
qt.Add(55, new Point(5, 5));
qt.Build();
Assert.NotNull(qt.BoundingBox);
Assert.Equal(new Envelope(3, 3, 5, 5), qt.BoundingBox);
qt.Clear();
Assert.False(qt.IsDirty);
Assert.Null(qt.BoundingBox);
}
