
using Xunit;
namespace ConsoleApp {
    public class ProgramTests {
        [Fact(DisplayName = "FindHighestTemperature returns largest value in array")]
        public void FindHighestTemperature_ReturnsLargest()
        {
            Assert.Equal(75, Program.FindHighestTemperature(new int[] { 68, 70, 75, 71, 69, 73, 72 }));
            Assert.Equal(100, Program.FindHighestTemperature(new int[] { 100 }));
            Assert.Equal(5, Program.FindHighestTemperature(new int[] { -5, 0, 3, 5 }));
            Assert.Equal(-1, Program.FindHighestTemperature(new int[] { -3, -7, -1, -12 }));
        }

        [Fact(DisplayName = "FindLowestTemperature returns smallest value in array")]
        public void FindLowestTemperature_ReturnsSmallest()
        {
            Assert.Equal(68, Program.FindLowestTemperature(new int[] { 68, 70, 75, 71, 69, 73, 72 }));
            Assert.Equal(100, Program.FindLowestTemperature(new int[] { 100 }));
            Assert.Equal(-5, Program.FindLowestTemperature(new int[] { -5, 0, 3, 5 }));
            Assert.Equal(-12, Program.FindLowestTemperature(new int[] { -3, -7, -1, -12 }));
        }

        [Fact(DisplayName = "CalculateAverageTemperature returns correct average as double")]
        public void CalculateAverageTemperature_ReturnsCorrectAverage()
        {
            Assert.Equal(71.14285714285714, Program.CalculateAverageTemperature(new int[] { 68, 70, 75, 71, 69, 73, 72 }), 8);
            Assert.Equal(100.0, Program.CalculateAverageTemperature(new int[] { 100 }), 8);
            Assert.Equal(0.75, Program.CalculateAverageTemperature(new int[] { -5, 0, 3, 5 }), 8);
            Assert.Equal(-5.75, Program.CalculateAverageTemperature(new int[] { -3, -7, -1, -12 }), 8);
        }
    }
}

ProgramTests.cs

Master the essentials and advanced techniques of working with arrays in C#. This course guides you from the basics of declaring and initializing arrays, through practical manipulation, searching, and advanced operations like sorting and matrix calculations. Each section blends engaging theory with real-world themed challenges to ensure a hands-on, beginner-friendly learning experience.

Challenge: Analyze Temperatures

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