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Testing in C++ is not easy, it often requires a lot of boilerplate code, macro usage, and/or understanding of complicated testing frameworks.
But it doesn't have to be like that. C++20 will enable us to reinvent the way we write tests!
In this case study, we will address the difficulty of testing with C++ by implementing a new, fully functional, macro-free testing framework 1 from scratch with modern C++20 features to make the following snippet compile and run:
01 import ut;
02
03 int main() {
04 "fib"_test = [] { // Running "fib"...
05 12_i == fib(7); // fib.cpp:5:FAILED [ 12 == 13 ]
06 }; // tests: 1 | 1 failed
07 } // asserts: 1 | 0 passed | 1 failed
At the end of this session, the audience will have a better understanding of C++20 features such as:
- Modules
- Concepts
- Source Location
- New additions to lambdas
- User-Defined Literals
Additionally, attendees will get familiar with an expressive way of testing with modern C++ based on UT - Unit Testing Framework [2].
Let's get ready to follow the Beyonce rule - 'If you liked it then you "should put a"_test on it' and test all the things at CppCon 2021!
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[2]: [ Ссылка ]
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Kris Jusiak
Kris is a Software Architect passionate about programming and who has worked in different industries over the years including telecommunications, games and most recently finance for Quantlab Financial, LLC. He has an interest in modern C++ development with a focus on performance and quality. He is an open-source enthusiast with multiple open-source libraries where he uses template meta-programming techniques to support the C++ rule - "Don't pay for what you don't use" whilst trying to be as declarative as possible with a help of domain-specific languages. Kris is also a keen advocate of extreme programming techniques, Test/Behavior Driven Development and truly believes that 'the only way to go fast is to go well!'.
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Videos Filmed & Edited by Bash Films: [ Ссылка ]
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