Archiv des Autors: oliverfunke

Collaborative Software Testing

Introduction Over the past decades, software development and software testing have greatly changed. Modern software systems have become very complex and at the same time software release cycles have kept shortening. Additional aspects like cyber security, distributed and connected systems, … Weiterlesen

Veröffentlicht unter Projektleitung, Testing | Kommentar hinterlassen

Fuzz Testing

Introduction Software quality strongly depends on software testing. Due to the huge complexity of software systems they will always contain errors. Even for a single function with a few parameters you would need thousands or millions of tests to check … Weiterlesen

Veröffentlicht unter Testing | Kommentar hinterlassen

Automated cognitive testing

In this article I would like to give few basic thoughts on the topic of cognitive testing and clarify what is meant by this kind of testing, what cognitive software systems are, how to test such systems and what is … Weiterlesen

Veröffentlicht unter Projektleitung, Testing | Kommentar hinterlassen

String View in C++17 (std::string_view)

The C++ string (std::string) is like a thin wrapper which stores its data on the heap. When you deal with strings it happens very often that a string copy must be created and therefore a memory allocation is done. But … Weiterlesen

Veröffentlicht unter C++ | Kommentar hinterlassen

“if constexpr” in C++17 (static if)

With C++17 the „if constexpr“ statement was introduced. This so called “static if” or “compile-time if-expression” can be used to conditionally compile code. The feature allows to discard branches of an if statement at compile-time based on a constant expression … Weiterlesen

Veröffentlicht unter C++ | Kommentar hinterlassen

Auto Type Deduction in Range-Based For Loops

Range-based For Loops offer a nice way to loop over the elements of a container. In combination with Auto Type Deduction the source code will become very clean and easy to read and write. The Auto Type Deduction is available … Weiterlesen

Veröffentlicht unter C++ | Kommentar hinterlassen

C# Protected Internal vs Private Protected

C# offers the composed access modifiers “protected internal”. With C# 7.2 a new composed access modifier was added: “private protected”. Unfortunately, these modifiers are hard to understand as their names don’t reflect their meaning. Within this article I want to … Weiterlesen

Veröffentlicht unter .NET, C# | Kommentar hinterlassen

Ref Return and Ref Locals in C# 7

The C# language supports passing arguments by value or by reference since the first language version. But returning a value was possible by value only. This has been changed in C# 7 by introducing two new features: ref returns and … Weiterlesen

Veröffentlicht unter .NET, C# | Kommentar hinterlassen

Pattern Matching in C# 7

Patterns are used to test whether a value matches a specific expectation and if it matches patterns allow to extract information from the value. You already create such pattern matchings by writing if and switch statements. With these statements you … Weiterlesen

Veröffentlicht unter .NET, C# | Kommentar hinterlassen

C++17: initializers in if-statement and switch-statement

With C++17 it is possible to initialize a variable inside an if-statement and a switch-statement. We already know and use this concept in the for-statement. To be honest: I don’t like this feature. Within this article I want to introduce … Weiterlesen

Veröffentlicht unter C++ | 2 Kommentare