All Questions
14 questions
1vote
3answers
224views
TDD - What to do when adding a new function on a dependency causes many previous tests to fail?
I was programming today and encountered something that just feels like I'm doing something wrong (maybe?). I've encountered this situation before, but I wanted to reach out and ask if there's a better ...
- 121
-2votes
2answers
335views
Is it possible to write unit tests for embedded systems with no prior embedded programming knowledge?
I have this question for a long time that is it possible for someone with no prior embedded systems programming experience to write unit tests? I have good knowledge of other languages like JAVA, ...
- 127
0votes
1answer
138views
Architectural pattern for testable C code [closed]
I wrote a lot of software in C# and Python. I tried to make the overall architecture testable by using the "Clean Architecture" and Dependency Injection. This works well for C# (and python). Now I ...
- 111
-1votes
1answer
146views
static, dynamic analysis - what mistakes were made in the code?
A software company develops software packages for commercial animal farming. A special function in C calculates the daily amount of feed for different kind of animals dependent on their bodyweight....
- 285
3votes
2answers
414views
malloc on different platforms
I am testing a red-black tree implementation (repository) and I find that with Windows 10 and gcc, malloc starts returning NULL after inserting approx. 50 million nodes but on Linux it works at least ...
- 8,158
6votes
3answers
2kviews
Unit Testing Module-Internal Functions
I'm writing a simple whitebox unit testing suite for a project I'm working on in C. The project is broken into modules (each has a .c file with an associated .h file), and all modules are compiled ...
6votes
1answer
275views
Strategies to increasing the maintainability of assertions in code [closed]
Background I am writing a compiler for a custom language for a school project and it is going really well for me. If I where to start all over from scratch I would have done many software ...
- 1,007
5votes
1answer
2kviews
How can I best test a multithreaded C producer-consumer program? [closed]
How does one best write tests for a multi-threaded producer-consumer C program? I know GDB can be used to debug threads, but I believe GDB also stops the thread currently being debugged while other ...
- 397
-2votes
1answer
295views
Which is the more testable C function implementation? [closed]
I write code in C. I have been striving to write more testable code but I am a little confused on deciding between writing pure functions that are really good for testing but require smaller functions ...
- 305
8votes
1answer
343views
Suggested method for extracting a standalone C library from an existing R package?
My group has been developing an R package to simulate plant growth (see GitHub repository). The R package uses .Call to interface with C. We have decided that it would be worthwhile to create a ...
2votes
4answers
246views
Testing a file that relies heavily on a static array
I have a .c file that basically manages its own little database of people. There are add, remove, edit and search functions among some others. It has a static array which it uses to store the data. ...
- 259
1vote
2answers
10kviews
How can I do test automation using a python script to test a c program?
I was wondering if I can use a Python script to test a C program automatically. Suppose I have a very simple C program which reads data (numbers as test cases) from the console, calculates them, then ...
- 2,075
13votes
5answers
4kviews
How can I improve my error checking and handling?
Lately I have been struggling to understand what the right amount of checking is and what the proper methods are. I have a few questions regarding this: What is the proper way to check for errors (...
- 325
6votes
2answers
789views
Writing functional tests for a legacy project
I am trying to add a couple of tests to a legacy C project. The project basically consists of a command line tool that prints something to stdout every time an event happens. Now, since writing unit ...
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