unitest

A unit testing framework for C. Written in 100% C89 ISO preprocessor code.

Usage

I have designed this library to be easy-to-use. No init function needed (though, I am considering adding one). A T_CONCLUDE is needed at the end for final report and returning an error code if need be.

Start testing

You can add all your code as the second parameter of the TEST macro.

TEST(Integer tests,
        long int a = 1 << 31;
        long int b = a*a;
        T_ASSERT(1 == 1);
        T_ASSERT_NUM(1, 1);
        T_ASSERT_NUM(b, a*a);
);

or simply call a function in the second parameter.

Setup

A setup function can be added as follows:

void setup(void** args);
T_SETUP(&setup);

The function should receive void** and return void. By default you can 10 pointers to args. This can be changed with the definition, T_SETUP_RESULT_SIZE. To access args in your test, use T_SETUP_RESULT. To stop running the setup function, simply:

T_SETUP(0);

Teardown

You are responsible for deallocating all the memory you put into T_SETUP_RESULT. The prototype for the teardown function follows the setup function. Adding the function is also similar.

Test reporters

Spec

This is the default reporter.

TODO: Add image

List

To enable this reporter, compile with -DT_REPORTER_LIST=1 argument.

TODO: Add image

Dot

Looks like the python unittest reporter. To enable this reporter, compile with -DT_REPORTER_DOT=1 argument.

TODO: Add image

Test Suites

Test suites are done as follows, but of course you may substitute the second arguments for functions if you want to.

T_SUITE(Binary operations,
    TEST(OR,
        T_ASSERT_NUM(1 | 0, 1);
    );
    TEST(XOR,
        T_ASSERT_NUM(1 ^ 0, 1);
    );
    TEST(AND,
        T_ASSERT_NUM(1 & 0, 0);
    );
    TEST(NOT,
        T_ASSERT_NUM(!1, 0);
    );
    TEST(TWOs compliment,
        T_ASSERT_NUM(~1, -2);
    );
);