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runner_tests.cljs
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runner_tests.cljs
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(ns cljs.core.async.runner-tests
(:require [cljs.core.async :refer [buffer dropping-buffer sliding-buffer put! take! chan close!]]
[cljs.core.async.impl.dispatch :as dispatch]
[cljs.core.async.impl.buffers :as buff]
[cljs.core.async.impl.protocols :refer [full? add! remove!]]
[cljs.core.async.impl.ioc-helpers :as ioch])
(:require-macros [cljs.core.async.test-helpers :as h :refer [is= is deftest testing runner locals-test]]
[cljs.core.async.macros :as m :refer [go]]
[cljs.core.async.impl.ioc-macros :as ioc]))
(defn pause [state blk val]
(ioc/aset-all! state ioch/STATE-IDX blk ioch/VALUE-IDX val)
:recur)
(deftest runner-tests
(testing "macros add locals to the env"
(is= :pass
(runner (let [x 42]
(pause (locals-test))))))
(testing "do blocks"
(is= 42
(runner (do (pause 42))))
(is= 42
(runner (do (pause 44)
(pause 42)))))
(testing "if expressions"
(is= true
(runner (if (pause true)
(pause true)
(pause false))))
(is= false
(runner (if (pause false)
(pause true)
(pause false))))
(is= true
(runner (when (pause true)
(pause true))))
(is= nil
(runner (when (pause false)
(pause true)))))
(testing "loop expressions"
(is= 100
(runner (loop [x 0]
(if (< x 100)
(recur (inc (pause x)))
(pause x)))))
(is= [:b :a]
(runner (loop [a :a b :b n 1]
(if (pos? n)
(recur b a (dec n)) ;; swap bindings
[a b]))))
(is= 1
(runner (loop [x 0
y (inc x)]
y))))
(testing "let expressions"
(is= 3
(runner (let [x 1 y 2]
(+ x y)))))
(testing "vector destructuring"
(is= 3
(runner (let [[x y] [1 2]]
(+ x y)))))
(testing "hash-map destructuring"
(is= 3
(runner (let [{:keys [x y] x2 :x y2 :y :as foo} {:x 1 :y 2}]
(assert (and foo (pause x) y x2 y2 foo))
(+ x y)))))
(testing "hash-map literals"
(is= {:1 1 :2 2 :3 3}
(runner {:1 (pause 1)
:2 (pause 2)
:3 (pause 3)})))
(testing "hash-set literals"
(is= #{1 2 3}
(runner #{(pause 1)
(pause 2)
(pause 3)})))
(testing "vector literals"
(is= [1 2 3]
(runner [(pause 1)
(pause 2)
(pause 3)])))
(testing "dotimes"
(is= 42 (runner
(dotimes [x 10]
(pause x))
42)))
(testing "set!"
(let [x (js-obj)]
(runner (set! (.-foo x) "bar"))))
(testing "keywords as functions"
(is (= :bar
(runner (:foo (pause {:foo :bar}))))))
(testing "vectors as functions"
(is (= 2
(runner ([1 2] 1)))))
(testing "quote"
(is= '(1 2 3)
(runner (pause '(1 2 3)))))
(testing "fn closures"
(is= 42
(runner
(let [x 42
_ (pause x)
f (fn [] x)]
(f)))))
(testing "case"
(is= 43
(runner
(let [value :bar]
(case value
:foo (pause 42)
:bar (pause 43)
:baz (pause 44)))))
(is= :default
(runner
(case :baz
:foo 44
:default)))
(is= 42
(runner
(loop [x 0]
(case (int x)
0 (recur (inc x))
1 42)))))
(testing "try"
(is= 42
(runner
(try 42
(catch js/Error ex ex))))
(is= 42
(runner
(try
(assert false)
(catch js/Error ex 42))))
(let [a (atom false)
v (runner
(try
true
(catch js/Error ex false)
(finally (pause (reset! a true)))))]
(is (and @a v)))
(let [a (atom false)
v (runner
(try
(assert false)
(catch js/Error ex true)
(finally (reset! a true))))]
(is (and @a v)))))