C# (CSharp) FirstNonRepeatingCharater Examples

Example #1

        public void GetFirstNonRepeating_NoRepetitionsUpper_ShouldReturnCorrectValue()
        {
            //arrange
            var input = "AbBcC";

            //act
            var result = FirstNonRepeatingCharater.GetFirstNonRepeating(input);

            //assert
            result.Should().Be("A");
        }

Example #2

        public void GetFirstNonRepeating_RandomString_ShouldReturnCorrectValue()
        {
            //arrange
            var input = "\\mPD}^Š\\M„Šnt_g\\{YGpAHHY€S‡Z[„LD{hIBGCFs[OXHiyMRaIJsv";

            //act
            var result = FirstNonRepeatingCharater.GetFirstNonRepeating(input);

            //assert
            result.Should().Be("}");
        }

Example #3

        public void GetFirstNonRepeating_AllUpper_ShouldReturnEmptyString()
        {
            //arrange
            var input = "ABBA";

            //act
            var result = FirstNonRepeatingCharater.GetFirstNonRepeating(input);

            //assert
            result.Should().BeNullOrWhiteSpace();
        }