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
|
(import pytest)
(defn test-setx []
(setx y (+ (setx x (+ "a" "b")) "c"))
(assert (= x "ab"))
(assert (= y "abc"))
(setv l [])
(for [x [1 2 3]]
(when (>= (setx y (+ x 8)) 10)
(.append l y)))
(assert (= l [10 11]))
(setv a ["apple" None "banana"])
(setv filtered (lfor
i (range (len a))
:if (is-not (setx v (get a i)) None)
v))
(assert (= filtered ["apple" "banana"]))
(assert (= v "banana"))
(with [(pytest.raises NameError)]
i))
(defn test-setx-generator-scope []
;; https://github.com/hylang/hy/issues/1994
(setv x 20)
(lfor n (range 10) (setx x n))
(assert (= x 9))
(setv x 20)
(lfor n (range 10) :do x (setx x n)) ; force making a function
(assert (= x 9))
(lfor n (range 10) :do x (setx y n))
(assert (= y 9))
(lfor n (range 0) :do x (setx y n))
(with [(pytest.raises NameError)]
n)
(lfor n (range 0) :setv t (+ n 2) (setx y n))
(with [(pytest.raises NameError)]
t)
(lfor n (range 0) :do x (setx z n))
(with [(pytest.raises UnboundLocalError)]
z))
(defn test-let-setx []
(let [x 40
y 13]
(setv y (setx x 2))
(assert (= x 2))
(assert (= y 2))))
|
