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4106. Test-Driven Development Using Visual Studio and C#

Rev. 4.7


An emerging software engineering paradigm is test-driven development, where tests are written early and testing is performed continuously during the development process. Problems are discovered early and corrected when they are found. This one-day course for developers explains the methodology of test-driven development and the use of the unit testing framework that comes with Visual Studio 2015, including the free Community version.


The course is practical, with many example programs and tests written in C#, including a cumulative case study. The goal is to quickly bring you up to speed in doing unit testing in your .NET development projects. The student will receive a comprehensive set of materials, including course notes and all the programming examples.




         Understand the principles of test-driven development

         Acquire fluency in developing tests using the Visual Studio unit testing framework

         Efficiently exercise test suites using Visual Studio and MSTest


Duration: 1 day.


Prerequisites: The student should have a basic knowledge of the .NET Framework and experience programming in C# with Visual Studio.


1.      Test-Driven Development

What Is Test-Driven Development (TDD)?

Functional Tests / Customer Tests

Unit Tests / Programmer Tests

Test Automation

Simple Design


A Visual Studio Test Drive

TDD with Legacy Code


2.      Visual Studio Unit Testing Fundamentals

Structure of Unit Tests

Unit Testing Framework


Test Cases

Test Classes

Test Runners

Ignoring Tests

Initialization and Cleanup


3.      More about Unit Testing Framework

Expected Exceptions

Custom Asserts


Debugging Unit Tests





System Requirements


Course examples require Microsoft Visual Studio 2015 and Windows 7sp1 or higher. The free Visual Studio Community 2015 can be used. See the appropriate course Setup Guide for details.


A good minimal hardware profile for this course consists of a 2 GHz or better CPU, 1 GB of RAM, and at least 10 GB of free disk space for tools installation and courseware.