How can I test the main(argc, argv[]) function with gtest?

Question

C++ / C#

How to test a small app with google test. Test the main function right away depending on the input parameters argc and argv.

Answer 1

In fact, it turns out that you are writing a system test. Therefore, for it you need an already compiled application.
The easiest option, in this case, is to simply call the application with std::system and check the output. Since std::system simply returns an exit code, the output can be written to a file. Well, then, as in a regular test, compare what happened and what should happen. In fact, you have two applications: the test itself and the utility you are testing.

Answer 2

Lo-st ,
Beginning -> on VS example
https://docs.microsoft.com/en-us/visualstudio/test...
it is not entirely clear what it means to test the main function? But here is an example from the documentation
https://github.com/google/googletest/blob/master/g...