summaryrefslogtreecommitdiff
path: root/tests/fn.fnl
blob: 3517918fd31206b0c2b2d2b3bab8a0dbf236b07f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
(require-macros :fennel-test.test)
(require-macros :init-macros)

(deftest fn*
  (testing "fn* meta"
    (fn* f
      "docstring"
      [x] x)
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([x])"]}))
    (fn* f
      "docstring"
      [])
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([])"]}))
    (fn* f
      "docstring"
      ([x] x))
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([x])"]}))
    (fn* f
      "docstring"
      ([x] x)
      ([x y] (+ x y)))
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([x])"
                                         "([x y])"]}))
    (fn* f
      "docstring"
      ([])
      ([x y] (+ x y)))
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([])"
                                         "([x y])"]}))
    (fn* f
      "docstring"
      ([x] x)
      ([x y] (+ x y))
      ([x y & z] (+ x y)))
    (assert-eq (meta f)
               (when-meta {:fnl/docstring "docstring"
                           :fnl/arglist ["([x])"
                                         "([x y])"
                                         "([x y & z])"]})))

  (testing "fn* doc destructuring"
    (fn* f [[a b c]])
    (assert-eq (meta f)
               (when-meta {:fnl/arglist ["([[a b c]])"]}))
    (fn* f ([[a b c]]) ([{: a}]) ([[{:a [a b c]}]]))
    (assert-eq (meta f)
               (when-meta {:fnl/arglist ["([[a b c]])"
                                         "([{:a a}])"
                                         "([[{:a [a b c]}]])"]})))

  (testing "fn* methods"
    (local ns {:a 1 :b 2})

    (fn* ns:foo []
      (+ self.a self.b))
    (assert-eq (ns:foo) 3)
    (assert-not (pcall #(ns:foo 1)))
    (assert-not (pcall #(ns:foo 1 2)))

    (fn* ns:bar
      ([x] (+ self.a x))
      ([x y] (+ self.b x y)))
    (assert-eq (ns:bar -1) 0)
    (assert-eq (ns:bar 10 20) 32)
    (assert-not (pcall #(ns:bar)))
    (assert-not (pcall #(ns:bar 1 2 3))))

  (testing "fn* anonymous calls"
    (assert-eq ((fn* [])) (values))
    (assert-eq ((fn* [] nil)) nil)
    (assert-eq ((fn* [x] x) 5) 5)
    (assert-eq ((fn* [a b c d e] [e d c b a]) 1 2 3 4 5) [5 4 3 2 1])
    (assert-eq ((fn* ([x] x) ([x y] [y x])) 10) 10)
    (assert-eq ((fn* ([x] x) ([x y] [y x])) 10 20) [20 10])))