public void Test_CopyTo_Should_Not_Copy_Nodes_When_Array_Does_Not_Have_Enough_Capacity()
{
//Given
int[] array = new int[3];
var tree = new BinaryTreeCollection <int>
{
5,
3,
6,
};
//When
Assert.Throws <ArgumentException>(() => tree.CopyTo(array, 1));
//Then
Assert.Equal(new[] { 0, 0, 0 }, array);
}
public void Test_CopyTo_Should_Copy_Nodes_When_Array_Has_Enough_Capacity()
{
//Given
int[] array = new int[5];
var tree = new BinaryTreeCollection <int>
{
5,
3,
6,
};
//When
tree.CopyTo(array, 1);
//Then
Assert.Equal(new[] { 0, 3, 5, 6, 0 }, array);
}