def ok as boolean(true)

def sum as function(a as integer, b as integer) (
  a + b
)

assert(ok == true)
assert(sum(1, 2) == 3)
assert(12 > 10)
assert(true != false)
assert(10 <= 12)
assert(12 >= 10)
assert(10 < 12)
assert(true and true)
assert((false and false) == false)
assert((true and false) == false)
assert(true or false)
assert(false or true)
assert((false or false) == false)

// Uncommenting this will stop the script with "assertion failed".
// assert(10 > 12)

print("all assertions passed")
