def test_eval_expr_3(self):
"""Test 'eval_sexpr' circle cricumference 3"""
sexpr1 = "(define fact (lambda (n) (if (<= n 1) 1 (* n (fact (- n 1))))))"
sexpr2 = "(circle-area (fact 10))"
_actual1 = eval_sexpr(parse(sexpr1))
actual2 = eval_sexpr(parse(sexpr2))
expected = 41369087205782.695
self.assertEqual(actual2, expected)
def test_eval_expr_5(self):
"""Test 'eval_sexpr' factorial"""
sexpr1 = "(define fact (lambda (n) (if (<= n 1) 1 (* n (fact (- n 1))))))"
sexpr2 = "(fact 10)"
_actual1 = eval_sexpr(parse(sexpr1))
actual2 = eval_sexpr(parse(sexpr2))
expected = 3628800
self.assertEqual(actual2, expected)
def test_eval_expr_2(self):
"""Test 'eval_sexpr' circle circumference 2"""
sexpr1 = "(define circle-area (lambda (r) (* pi (* r r))))"
sexpr2 = "(circle-area 3)"
_actual1 = eval_sexpr(parse(sexpr1))
actual2 = eval_sexpr(parse(sexpr2))
expected = 28.274333882308138
self.assertEqual(actual2, expected)
def test_eval_expr_4(self):
"""Test 'eval_sexpr' account structure"""
sexpr1 = "(define make-account (lambda (balance) (lambda (amt) (begin (set! balance (+ balance amt)) balance))))"
sexpr2 = "(define account1 (make-account 100.00))"
sexpr3 = "(account1 -20.00)"
_actual1 = eval_sexpr(parse(sexpr1))
_actual2 = eval_sexpr(parse(sexpr2))
actual3 = eval_sexpr(parse(sexpr3))
expected = 80.0
self.assertEqual(actual3, expected)
def test_eval_expr_6(self):
"""Test 'eval_sexpr' count"""
sexpr1 = "(define first car)"
sexpr2 = "(define rest cdr)"
sexpr3 = "(define count (lambda (item L) (if L (+ (equal? item (first L)) (count item (rest L))) 0)))"
sexpr4 = "(count 0 (list 0 1 2 3 0 0))"
sexpr5 = "(count (quote the) (quote (the more the merrier the bigger the better)))"
_actual1 = eval_sexpr(parse(sexpr1))
_actual2 = eval_sexpr(parse(sexpr2))
_actual3 = eval_sexpr(parse(sexpr3))
actual4 = eval_sexpr(parse(sexpr4))
actual5 = eval_sexpr(parse(sexpr5))
expected_1 = 3
self.assertEqual(actual4, expected_1)
expected_2 = 4
self.assertEqual(actual5, expected_2)
def test_eval_expr_7(self):
"""Test 'eval_sexpr' repeat"""
sexpr1 = "(define twice (lambda (x) (* 2 x)))"
sexpr2 = "(define repeat (lambda (f) (lambda (x) (f (f x)))))"
sexpr3 = "(twice 5)"
sexpr4 = "((repeat twice) 10)"
sexpr5 = "((repeat (repeat twice)) 10)"
sexpr6 = "((repeat (repeat (repeat twice))) 10)"
sexpr7 = "((repeat (repeat (repeat (repeat twice)))) 10)"
_actual1 = eval_sexpr(parse(sexpr1))
_actual2 = eval_sexpr(parse(sexpr2))
actual3 = eval_sexpr(parse(sexpr3))
actual4 = eval_sexpr(parse(sexpr4))
actual5 = eval_sexpr(parse(sexpr5))
actual6 = eval_sexpr(parse(sexpr6))
actual7 = eval_sexpr(parse(sexpr7))
expected_3 = 10
self.assertEqual(actual3, expected_3)
expected_4 = 40
self.assertEqual(actual4, expected_4)
expected_5 = 160
self.assertEqual(actual5, expected_5)
expected_6 = 2560
self.assertEqual(actual6, expected_6)
expected_7 = 655360
self.assertEqual(actual7, expected_7)
def test_eval_expr_8(self):
"""Test 'eval_sexpr' range"""
sexpr1 = "(define fib (lambda (n) (if (< n 2) 1 (+ (fib (- n 1)) (fib (- n 2))))))"
sexpr2 = "(define range (lambda (a b) (if (= a b) (quote ()) (cons a (range (+ a 1) b)))))"
sexpr3 = "(range 0 10)"
sexpr4 = "(map fib (range 0 10))"
sexpr5 = "(map fib (range 0 20))"
_actual1 = eval_sexpr(parse(sexpr1))
_actual2 = eval_sexpr(parse(sexpr2))
actual3 = eval_sexpr(parse(sexpr3))
actual4 = eval_sexpr(parse(sexpr4))
actual5 = eval_sexpr(parse(sexpr5))
expected_3 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
self.assertEqual(actual3, expected_3)
expected_4 = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55]
self.assertEqual(actual4, expected_4)
expected_5 = [
1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987,
1597, 2584, 4181, 6765
]
self.assertEqual(actual5, expected_5)
def test_eval_expr(self):
"""Test 'eval_sexpr' function happy path"""
eval_sexpr(parse("(define r 10)"))
actual = eval_sexpr(parse("(* pi (* r r))"))
expected = 314.1592653589793
self.assertEqual(actual, expected)
def test_eval_expr(self):
"""Test 'eval_sexpr' circle circumference 1"""
eval_sexpr(parse("(define r 10)"))
actual = eval_sexpr(parse("(* pi (* r r))"))
expected = 314.1592653589793
self.assertEqual(actual, expected)
def test_eval_expr(self):
"""Test 'eval_sexpr' function happy path"""
eval_sexpr(parse("(define r 10)"))
actual = eval_sexpr(parse("(* pi (* r r))"))
expected = 314.1592653589793
self.assertEqual(actual, expected)