Have you automated testing in your previous company?

Yes, in my previous company I participated in test automation. We used tools for writing unit tests in C/C++, such as Google Test (gtest). This allowed us to automatically verify the correctness of functions and classes after code changes.

Example of a simple test with Google Test:

#include <gtest/gtest.h>

int Sum(int a, int b) {
    return a + b;
}

TEST(SumTest, HandlesPositiveInput) {
    EXPECT_EQ(Sum(2, 3), 5);
}

int main(int argc, char **argv) {
    ::testing::InitGoogleTest(&argc, argv);
    return RUN_ALL_TESTS();
}

Test automation helped quickly identify errors and maintain code quality.