Function use_invalid_keys_impl

test/bthread_key_unittest.cpp:203–216

void* const DUMMY_PTR = (void*)1;

void use_invalid_keys_impl(const Keys* keys) {
    ASSERT_EQ(NULL, bthread_getspecific(keys->invalid_key));
    // valid key returns NULL as well.
    ASSERT_EQ(NULL, bthread_getspecific(keys->valid_key));

    // both pthread_setspecific(of nptl) and bthread_setspecific should find
    // the key is invalid.
    ASSERT_EQ(EINVAL, bthread_setspecific(keys->invalid_key, DUMMY_PTR));
    ASSERT_EQ(0, bthread_setspecific(keys->valid_key, DUMMY_PTR));

    // Print error again.
    ASSERT_EQ(NULL, bthread_getspecific(keys->invalid_key));
    ASSERT_EQ(DUMMY_PTR, bthread_getspecific(keys->valid_key));
}

void* use_invalid_keys(void* args) {
    use_invalid_keys_impl(static_cast<const Keys*>(args));