public void Problem3Serialize_RootIsNull_ReturnsExpectedString()
{
const string expected = "null,";
BinaryNode nodeTree = null;
string serializedNodeTree = Problems1Through25.Problem3Serialize(nodeTree);
Assert.Equal(expected, serializedNodeTree);
}
public void Problem3Serialize_RootOnlyTree_ReturnsExpectedString()
{
const string expected = "0,null,null,";
var nodeTree = new BinaryNode(0);
string serializedNodeTree = Problems1Through25.Problem3Serialize(nodeTree);
Assert.Equal(expected, serializedNodeTree);
}
public void Problem3Serialize_Full2LayeredTree_ReturnsExpectedString()
{
const string expected = "0,1,null,null,2,null,null,";
var nodeTree =
new BinaryNode(
0,
new BinaryNode(1),
new BinaryNode(2));
string serializedNodeTree = Problems1Through25.Problem3Serialize(nodeTree);
Assert.Equal(expected, serializedNodeTree);
}