using Xunit;

namespace ConsoleApp.Tests
{
    public class ProgramTests
    {
        [Fact(DisplayName = "AddSale correctly updates grandTotal")]
        public void AddSale_UpdatesGrandTotal()
        {
            Program.grandTotal = 0;

            Program.AddSale(10, 5);   // 50
            Assert.Equal(50, Program.grandTotal);

            Program.AddSale(20, 6);   // 120
            Assert.Equal(170, Program.grandTotal);

            Program.AddSale(15, 5);   // 75
            Assert.Equal(245, Program.grandTotal);
        }

        [Fact(DisplayName = "AddSale calculates saleTotal correctly without affecting other sales")]
        public void AddSale_CalculatesIndividually()
        {
            Program.grandTotal = 0;

            Program.AddSale(8, 3);    // 24
            Assert.Equal(24, Program.grandTotal);

            Program.AddSale(5, 2);    // 10
            Assert.Equal(34, Program.grandTotal);
        }
    }
}

ProgramTests.cs

Get ready to embark on a thrilling coding journey with C# - the language that powers Windows applications, games, and more. Unlock the potential to build everything from dynamic web apps to powerful desktop software. With its elegance, performance, and versatility, C# is your gateway to the future of programming. Let's dive in and bring your coding dreams to life!

Challenge: Scopes

解答