Testing - Page 2 of 2 - Gunnar Peipman

Invariant code contracts – using class-wide contracts

May 9, 2010December 18, 2019 Gunnar Peipman 658 Views 0 Comments

It is possible to define invariant code contracts for classes. Invariant contracts should always hold true whatever member of class is called. In this posting I will show you how to use invariant code contracts so you understand how they work and how they should be tested.

.NET C# Testing Visual Studio

Code Contracts: Unit testing contracted code

May 6, 2010December 18, 2019 Gunnar Peipman 843 Views 6 Comments

Code contracts and unit tests are not replacements for each other. They both have different purpose and different nature. It does not matter if you are using code contracts or not – you still have to write tests for your code. In this posting I will show you how to unit test code with contracts.

Books Software development Testing

The Mythical Man-Month

March 1, 2010May 17, 2018 Gunnar Peipman 574 Views 0 Comments

Yesterday I finished reading the classic project management book The Mythical Man-Month: Essays on Software Engineering by Frederick P. Brooks. Well… this book made me think a lot about nature of software projects, how primitive is our understanding about them and why managing such projects is usually hard fighting with a lot of different issues. The book has also interesting content from the past that is really interesting reading. To understand where you are you should know where you come from.

Testing Visual Studio

ExpectedException attribute in Visual Studio 2008 and Visual Studio 2010

July 25, 2009August 17, 2019 Gunnar Peipman 585 Views 2 Comments

Today I tried to write my first unit tests under Visual Studio 2010. Just to see if Visual Studio testing system can now also be used for unit tests. Visual Studio 2008 had some annoying problems with test and I preferred to use nUnit instead. Visual Studio 2010 brings some good news – tests work. Take a look at my example.