void test_transcription(const char *dna, const char *expected) { char *rna = to_rna(dna); TEST_ASSERT_EQUAL_STRING(expected, rna); free(rna); }
void test_failure(const char *dna) { TEST_ASSERT_NULL(to_rna(dna)); }
std::string to_rna(std::string s) { for (auto& c : s) c = to_rna(c); return s; }