EmpiricalFormula ef("C2");
const Element* e = db->getElement("C");
TEST_REAL_SIMILAR(ef.getAverageWeight(), e->getAverageWeight() * 2)
END_SECTION
START_SECTION(double getMonoWeight() const)
EmpiricalFormula ef("C2");
const Element* e = db->getElement("C");
TEST_REAL_SIMILAR(ef.getMonoWeight(), e->getMonoWeight() * 2)
TEST_REAL_SIMILAR(EmpiricalFormula("OH").getMonoWeight(), EmpiricalFormula("HO").getMonoWeight());
TEST_REAL_SIMILAR(EmpiricalFormula("").getMonoWeight(), 0.0)
END_SECTION
START_SECTION(String toString() const)
EmpiricalFormula ef("C2H5");
String str = ef.toString();
TEST_EQUAL(String(str).hasSubstring("H5"), true)
TEST_EQUAL(String(str).hasSubstring("C2"), true)
END_SECTION
START_SECTION([EXTRA](friend std::ostream& operator << (std::ostream&, const EmpiricalFormula&)))
stringstream ss;
EmpiricalFormula ef("C2H5");
ss << ef;
TEST_EQUAL(String(ss.str()).hasSubstring("H5"), true);
TEST_EQUAL(String(ss.str()).hasSubstring("C2"), true);
END_SECTION
START_SECTION(bool operator != (const EmpiricalFormula& rhs) const)
EmpiricalFormula ef1("C2H5"), ef2(*e_ptr);
TEST_EQUAL(ef1 != ef2, true)
