
using Xunit;
namespace ConsoleApp {
    public class ProgramTests {
        [Fact(DisplayName = "GetInitials returns 'J.D.' for 'John Doe'")]
        public void GetInitials_ReturnsJD_ForJohnDoe() {
            Assert.Equal("J.D.", Program.GetInitials("John Doe"));
        }

        [Fact(DisplayName = "GetInitials returns 'A.M.S.' for 'alice marie smith'")]
        public void GetInitials_ReturnsAMS_ForAliceMarieSmith() {
            Assert.Equal("A.M.S.", Program.GetInitials("alice marie smith"));
        }

        [Fact(DisplayName = "GetInitials returns 'B.A.L.' for extra spaces in '  Bob   A.   Lee  '")]
        public void GetInitials_ReturnsBAL_ForExtraSpaces() {
            Assert.Equal("B.A.L.", Program.GetInitials("  Bob   A.   Lee  "));
        }

        [Fact(DisplayName = "GetInitials capitalizes initials regardless of input case")]
        public void GetInitials_CapitalizesInitials() {
            Assert.Equal("J.D.", Program.GetInitials("john doe"));
            Assert.Equal("J.D.", Program.GetInitials("JOHN DOE"));
            Assert.Equal("J.D.", Program.GetInitials("JoHn DoE"));
        }
    }
}

ProgramTests.cs

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Challenge: Extract Initials

Solución

Challenge: Extract Initials

Solución