public void FromValue_WithEmptyBox_ShouldReturnAnInstance()
        {
            // Arrange, Act
            var tree = AxisAlignedBoundingBoxTree <BoxWrapper> .FromValue(new BoxWrapper(AxisAlignedBoundingBox.Empty));

            // Assert
            Assert.NotNull(tree);
            Assert.NotNull(tree.Root);
        }
 public void FromValue_WithNullValue_ShouldThrowArgumentNullException()
 {
     // Act, Assert
     Assert.Throws <ArgumentNullException>(() => AxisAlignedBoundingBoxTree <BoxWrapper> .FromValue(null));
 }