
using Xunit;
using Xunit;
using System;
using System.IO;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace ConsoleApp {
    public class ProgramTests {
        [Fact(DisplayName = "ProcessRequestsAsync processes each URL sequentially and outputs correct results")]
        public async Task ProcessRequestsAsync_ProcessesSequentiallyAndPrintsCorrectly()
        {
            var urls = new List<string> {
                "https://example.com/api/data1",
                "https://example.com/api/data2",
                "https://example.com/api/data3"
            };
            var sw = new StringWriter();
            Console.SetOut(sw);

            await Program.ProcessRequestsAsync(urls);

            string output = sw.ToString();
            Assert.Contains("Processed: Response from https://example.com/api/data1", output);
            Assert.Contains("Processed: Response from https://example.com/api/data2", output);
            Assert.Contains("Processed: Response from https://example.com/api/data3", output);
            Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = true });
        }
    }
}

ProgramTests.cs

Master asynchronous programming in C# with hands-on practice and engaging explanations. Learn to convert synchronous code to async, process collections concurrently, handle timeouts, and manage errors effectively using async/await.

Learn the basics of async/await in C# and how to convert synchronous code to asynchronous for better performance and responsiveness.

Explore how to use async/await in loops and process collections of data asynchronously for efficient, scalable code.

Master advanced async/await concepts: handling timeouts, managing sequential vs. parallel tasks, and robust error handling.

Challenge: Async Loop Processing

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Challenge: Async Loop Processing

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