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Frantyk Andrii
35,423 PointsUnit testing C# => TDD Challenge Task 4 of 4 What I have to do on this?
I don't know about this!
using System;
public class Calculator
{
public double Result;
public Calculator(double number)
{
Result = number;
}
public void Add(double number)
{
Result += number;
}
public void Substract(double number)
{
Result -= number;
}
}
using Xunit;
public class CalculatorTests
{
[Fact]
public void Initialization()
{
var expected = 1.1;
var target = new Calculator(1.1);
Assert.Equal(expected, target.Result, 1);
}
[Fact]
public void BasicAdd()
{
var target = new Calculator(1.1);
target.Add(2.2);
var expected = 3.3;
Assert.Equal(expected, target.Result, 1);
}
[Fact]
public void BasicSubtract()
{
var target = new Calculator(1.1);
target.Substract(0.2);
var expected = 0.9;
Assert.Equal(expected, target.Result,9);
}
}
1 Answer

Steven Parker
220,416 PointsIt looks like you have a typo.
Although you have it in both files. Instead of "Subtract", you wrote "Substract" (with an extra "s").
Frantyk Andrii
35,423 PointsFrantyk Andrii
35,423 PointsThanks, i decided this)