394bbe07c3
Phase 3 batch 5 (jolt-1j0). condp with a recursive emit building the nested if chain, including the test :>> result-fn form and the trailing default. This exhausts the cleanly-portable safe macros. conformance 228/228 x3, full suite green.
71 lines
4.1 KiB
Text
71 lines
4.1 KiB
Text
# Specification: macros, quoting and syntax-quote.
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(use ../support/harness)
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(defspec "macros / quoting"
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["quote symbol" "(quote a)" "(quote a)"]
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["quote list" "[1 2 3]" "(quote (1 2 3))"]
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["quote nested" "[1 [2 3]]" "(quote (1 (2 3)))"]
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["quote sugar" "'a" "'a"]
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["syntax-quote literal" "[1 2]" "`[1 2]"]
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["unquote" "[1 2 3]" "(let [x 2] `[1 ~x 3])"]
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["unquote-splicing" "[1 2 3 4]" "(let [xs [2 3]] `[1 ~@xs 4])"]
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["unquote in list" "[3]" "(let [x 3] `(~x))"]
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["syntax-quote symbol qualifies" "true" "(symbol? `foo)"])
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(defspec "macros / defmacro"
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["simple macro" "3"
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"(do (defmacro m [a b] `(+ ~a ~b)) (m 1 2))"]
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["macro unless" "1"
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"(do (defmacro unless [c body] `(if ~c nil ~body)) (unless false 1))"]
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["macro with body splice" "6"
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"(do (defmacro msum [& xs] `(+ ~@xs)) (msum 1 2 3))"]
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["macroexpand-1" "true"
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"(do (defmacro m [x] `(inc ~x)) (list? (macroexpand-1 '(m 5))))"]
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["gensym unique" "false"
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"(= (gensym) (gensym))"]
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["gensym# in template" "true"
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"(do (defmacro m [] `(let [x# 1] x#)) (= 1 (m)))"])
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# Core macros ported from Janet to the Clojure overlay (jolt-1j0 phase 3,
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# jolt-core/clojure/core/30-macros.clj).
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(defspec "macros / core-overlay"
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["if-not true branch" ":then" "(if-not false :then :else)"]
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["if-not else branch" ":else" "(if-not true :then :else)"]
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["if-not no else" "nil" "(if-not true :then)"]
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["if-not no else hit" ":then" "(if-not false :then)"]
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["comment -> nil" "nil" "(comment a b c)"]
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["comment in do" "42" "(do (comment ignored) 42)"]
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["if-let then" "6" "(if-let [x 5] (inc x) :none)"]
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["if-let else" ":none" "(if-let [x nil] (inc x) :none)"]
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["if-let else scope" "9" "(let [x 9] (if-let [x nil] :t x))"]
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["if-some zero" "1" "(if-some [x 0] (inc x) :none)"]
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["if-some nil" ":none" "(if-some [x nil] x :none)"]
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["when-some multi" "14" "(when-some [x 7] (inc x) (* x 2))"]
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["when-some nil" "nil" "(when-some [x nil] x)"]
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["while loop" "3" "(let [a (atom 0)] (while (< @a 3) (swap! a inc)) @a)"]
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["dotimes sum" "10" "(let [a (atom 0)] (dotimes [i 5] (swap! a + i)) @a)"]
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["as-> threads" "12" "(as-> 5 x (+ x 1) (* x 2))"]
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["as-> no forms" "5" "(as-> 5 x)"]
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["some-> through" "6" "(some-> {:a {:b 5}} :a :b inc)"]
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["some-> short-circuit" "nil" "(some-> {:a nil} :a :b)"]
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["some->> through" "9" "(some->> [1 2 3] (map inc) (reduce +))"]
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["some->> nil" "nil" "(some->> nil (map inc))"]
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["doto returns obj" "[1 2]" "(deref (doto (atom []) (swap! conj 1) (swap! conj 2)))"]
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["when-first" "20" "(when-first [x [10 20 30]] (* x 2))"]
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["when-first empty" "nil" "(when-first [x []] :body)"]
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["when-first nil coll" "nil" "(when-first [x nil] :body)"]
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["when-first range" "0" "(when-first [x (range 5)] x)"]
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["cond->> threads" "12" "(cond->> 5 true (+ 1) false (* 100) true (* 2))"]
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["cond->> skip" "10" "(cond->> 10 false (+ 1))"]
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["assert pass" ":ok" "(do (assert (= 1 1)) :ok)"]
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["assert throws" ":threw" "(try (assert (= 1 2)) (catch :default e :threw))"]
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["assert message" "\"nope\"" "(try (assert false \"nope\") (catch :default e (ex-message e)))"]
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["delay value" "42" "(deref (delay 42))"]
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["delay forces once" "1" "(let [c (atom 0) d (delay (swap! c inc))] @d @d @c)"]
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["future deref" "9" "(deref (future (* 3 3)))"]
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["letfn simple" "25" "(letfn [(sq [x] (* x x))] (sq 5))"]
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["letfn mutual" "true" "(letfn [(ev? [n] (if (zero? n) true (od? (dec n)))) (od? [n] (if (zero? n) false (ev? (dec n))))] (ev? 8))"]
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["condp match" ":two" "(condp = 2 1 :one 2 :two 3 :three)"]
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["condp default" ":else" "(condp = 9 1 :one 2 :two :else)"]
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["condp :>> form" "\"got 2\"" "(condp some [1 2 3] #{0 9} :>> (fn [x] (str \"got \" x)) #{2 6} :>> (fn [x] (str \"got \" x)))"]
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["condp no match" ":threw" "(try (condp = 9 1 :one) (catch :default e :threw))"])
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