jolt/test/spec/reader-syntax-spec.janet
Yogthos bcd0e42b33 test: fold phase ports into spec; promote compile-mode test
Mine the phase* port batteries into the spec layer and delete them (their
behavior is now covered by spec): phase5 (hierarchies), phase6 (tagged
literals/reader-conditionals), phase7 (lazy/sets), phase8+phase12 (protocols;
phase12 was a duplicate of phase8), phase10 (strings/set), phase13
(reify/walk). Unique cases mined into spec: reader #inst/#uuid/#?@ splice,
(Type. args) dot constructor, lazy-seq body-runs-once, keywordize-keys/
stringify-keys, custom :default key and explicit :hierarchy dispatch.

phase6-final tested the COMPILE-MODE path ({:compile? true}), distinct from the
interpreter-based spec — kept and renamed integration/compile-mode-test.

jpm test green, conformance 218/218.
2026-06-05 01:07:09 -04:00

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# Specification: reader syntax & literals.
(use ../support/harness)
(defspec "reader / scalar literals"
["integer" "42" "42"]
["negative" "-7" "-7"]
["float" "1.5" "1.5"]
["string" "\"hi\"" "\"hi\""]
["boolean true" "true" "true"]
["nil" "nil" "nil"]
["keyword" ":a" ":a"]
["namespaced keyword" "true" "(= :a/b :a/b)"]
["char" "\\a" "\\a"]
["char newline" "true" "(= \\newline (first \"\\n\"))"]
["ratio not supported but reads ints" "3" "3"]
["hex literal" "255" "0xff"]
["symbol via quote" "'foo" "'foo"])
(defspec "reader / collection literals"
["vector" "[1 2 3]" "[1 2 3]"]
["list quoted" "[1 2 3]" "'(1 2 3)"]
["map" "{:a 1}" "{:a 1}"]
["set" "#{1 2 3}" "#{1 2 3}"]
["nested" "{:a [1 {:b 2}]}" "{:a [1 {:b 2}]}"]
["empty vector" "[]" "[]"]
["empty map" "{}" "{}"]
["empty set" "#{}" "#{}"])
(defspec "reader / dispatch & sugar"
["anon fn #()" "3" "(#(+ %1 %2) 1 2)"]
["anon fn single %" "2" "(#(inc %) 1)"]
["anon fn %&" "[2 3]" "(#(vec %&) 2 3)"]
["discard #_" "[1 3]" "[1 #_2 3]"]
["regex literal" "true" "(= \"abc\" (re-find #\"abc\" \"xabcx\"))"]
["reader conditional" "1" "#?(:clj 1 :cljs 2 :default 3)"]
["reader cond splice" "[1 2 3]" "[#?@(:clj [1 2 3] :cljs [4 5])]"]
["inst literal reads" "true" "(some? #inst \"2020-01-01T00:00:00Z\")"]
["uuid literal" "\"550e8400-e29b-41d4-a716-446655440000\"" "(str #uuid \"550e8400-e29b-41d4-a716-446655440000\")"]
["tagged literal var" "true" "(var? #'+)"]
["deref sugar" "5" "(let [a (atom 5)] @a)"]
["meta sugar" "{:t 1}" "(meta ^{:t 1} [])"])