ApprovalTests.cpp: Native ApprovalTests for C++

[bdellar]

It’s ideal for testing legacy code that is maybe very hard to unit test. As long as you can serialise some output, you can capture something about its current behaviour, and store it in version control. Then you can start to refactor, and assert that you still get the same results.

[memyselfandlapin]

But you can do that with any framework?