
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.

Start your journey with arrays in C#: learn how to declare, initialize, and access array elements, and tackle your first real-world array challenges.

Dive deeper into arrays by learning how to search for values, filter elements, and perform calculations like finding min, max, and averages.

Advance your skills by learning how to reverse arrays, sort them manually, and understand how arrays are stored and copied in memory.

Explore two-dimensional arrays, learn to perform matrix operations, and tackle real-world challenges involving grids and tables.

Challenge: Analyze Temperatures

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Challenge: Analyze Temperatures

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