public void AddNumber_Three()
{
Calculator c = new Calculator();
int result = c.Add("0,1\n2");
Assert.AreEqual(3, result);
result = c.Add("1,2\n3");
Assert.AreEqual(6, result);
}
public void AddNumbers_One()
{
Calculator c = new Calculator();
for (int i = 0; i < 3; i++)
{
int result = c.Add(i.ToString());
Assert.AreEqual(i, result);
}
}
public void AddNumber_Two()
{
Calculator c = new Calculator();
int result = c.Add("0,1");
Assert.AreEqual(1, result);
result = c.Add("0,2");
Assert.AreEqual(2, result);
result = c.Add("1,2");
Assert.AreEqual(3, result);
}
public void AddNumber_Random()
{
var num = new Random().Next(0, 100);
List<int> nums = new List<int>();
StringBuilder input = new StringBuilder();
Random r = new Random();
for (int i = 0; i < num; i++)
{
int nextNum = r.Next(0, num);
nums.Add(nextNum);
input.Append(nextNum + ",");
}
var expectedResult = nums.Sum();
Calculator c = new Calculator();
int result = c.Add(input.ToString());
Assert.AreEqual(expectedResult, result);
}
public void AddNumber_DelimTest()
{
Calculator c = new Calculator();
int result = c.Add("//;\n0;1;2");
Assert.AreEqual(3, result);
result= c.Add("//:\n3:1:2:7:9:10");
Assert.AreEqual(32, result);
}
public void AddNumber_Multiple_MultiSep()
{
Calculator c = new Calculator();
int result = c.Add("//[***][xx][%]\n2xx1***3xx4xx6%3");
Assert.AreEqual(19, result);
}
public void AddNumbers_Empty()
{
Calculator c = new Calculator();
int result = c.Add("");
Assert.AreEqual(0, result);
}
public void AddNumber_MultiSep()
{
Calculator c = new Calculator();
int result = c.Add("//[***]\n2***1***3");
Assert.AreEqual(6, result);
}
public void AddNumber_Two_Big()
{
Calculator c = new Calculator();
int result = c.Add("1000,1");
Assert.AreEqual(1001, result);
result = c.Add("1001,1");
Assert.AreEqual(1, result);
}
public void AddNumber_NegativeNumber()
{
Calculator c = new Calculator();
try
{
c.Add("0,-1,-2");
}
catch (Exception e)
{
string message = e.Message;
Assert.IsTrue(message.Contains("negatives not allowed"));
Assert.IsTrue(message.Contains("-1"));
return;
}
Assert.Fail("Negative numbers are not detected");
}