def test_Student(self):
cen = Subject('English')
cma = Subject('Math')
cph = Subject('Physics')
chi = Subject('History')
cmu = Subject('Music')
cpe = Subject('P.E.')
j = Student('John')
m = Student('Mary')
b = Student('Bob')
c = Student('Chris')
j.setGrade(cen, 'A')
j.setGrade(cma, 'B')
j.setGrade(cph, 'A')
j.setGrade(chi, 'B')
j.setGrade(cmu, 'A')
j.setGrade(cpe, 'A')
m.setGrade(cen, 'A')
m.setGrade(cma, 'C')
m.setGrade(cph, 'A')
m.setGrade(chi, 'B')
m.setGrade(cmu, 'C')
m.setGrade(cpe, 'A')
b.setGrade(cen, 'C')
b.setGrade(cma, 'F')
b.setGrade(cph, 'D')
b.setGrade(chi, 'B')
b.setGrade(cmu, 'C')
b.setGrade(cpe, 'A')
j_gpa = Decimal(j.getGPA())
m_gpa = Decimal(m.getGPA())
b_gpa = Decimal(b.getGPA())
print "j=" + str(j_gpa)
print "m=" + str(m_gpa)
print "b=" + str(b_gpa)
assert((j_gpa > 3.66) and (j_gpa < 3.67))
assert(m_gpa > 3.16 and m_gpa < 3.17) # fails
assert(b_gpa < 2.01 and b_gpa > 1.99)
