## Function Tests.

def f1 return 'f1' end assert(f1() == 'f1')
def f2() return 'f2' end assert(f2() == 'f2')
def f3(a, b, c, d) return c end
assert(f3('a', 'b', 'c', 'd') == 'c')

## Local variables of inner funcions.
def f4
  l1 = 3.14
  f5 = function
    l2 = 42
    return l2
  end
  assert(f5() == 42)
end
f4()

# If we got here, that means all test were passed.
print('All TESTS PASSED')