public void SumTest()
{
Summ sum = new Summ();
sum.Number = -1;
sum.Operation = '+';
NumberClass num1 = new NumberClass();
num1.Number = 8;
num1.Operation = 'x';
num1.LeftBranch = null;
num1.RightBranch = null;
NumberClass num2 = new NumberClass();
num2.Number = 7;
num2.Operation = 'x';
num2.LeftBranch = null;
num2.RightBranch = null;
sum.LeftBranch = num1;
sum.RightBranch = num2;
Assert.AreEqual(15, sum.CountBranches());
}
/// <summary>
/// Building of a tree
/// </summary>
/// <param name="i">Index to build(0 - default)</param>
/// <param name="str">String to read</param>
public void Build(ref int i, string str)
{
TreeClass tmp = new Summ();
while ((i < str.Length) && ((str[i] == ' ') || (str[i] == ')')))
i++;
if ((str[i] == '+') || (str[i] == '-') || (str[i] == '/') || (str[i] == '*'))
{
tmp = OperationType(str[i]);
tmp.Operation = str[i];
tmp.Number = -1;
i++;
}
if ((i < str.Length) && (str[i] == '('))
{
CountTree LTree = new CountTree();
i++;
LTree.Build(ref i, str);
CountTree RTree = new CountTree();
i++;
RTree.Build(ref i, str);
tmp.LeftBranch = LTree.head;
tmp.RightBranch = RTree.head;
}
int j = i;
int number = 0;
while ((j < str.Length) && ((int)str[j] - (int)'0') < 10 && ((int)str[j] - (int)'0') >= 0)
{
number = (number * 10) + (int)str[j] - (int)'0';
j++;
}
if (number != 0)
{
tmp = OperationType(str[i]);
i = j;
tmp.Number = number;
tmp.Operation = 'x';
}
this.head = tmp;
}