52 lines
1.6 KiB
Clojure
52 lines
1.6 KiB
Clojure
(ns msgpack.core-check
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(:require [msgpack.core :as msg]
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[clojure.test.check.clojure-test :refer [defspec]]
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[clojure.test.check.generators :as gen]
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[clojure.test.check.properties :as prop]))
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; NaN is never equal to itself
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(defn- not-nan [x]
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(not (Double/isNaN x)))
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(defn- pack-and-unpack [x]
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(msg/unpack (msg/pack x)))
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(defspec ints-round-trip 100
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(prop/for-all [x gen/int]
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(= (pack-and-unpack x) x)))
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(defspec floats-round-trip 100
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(prop/for-all [x (gen/such-that not-nan gen/double)]
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(= (pack-and-unpack x) x)))
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(defspec bytes-round-trip 100
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(prop/for-all [x gen/bytes]
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(let [bytes (pack-and-unpack x)]
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(and (instance? (Class/forName "[B") bytes)
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(= (seq bytes) (seq x))))))
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(defn- box [bytes]
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(let [a (java.lang.reflect.Array/newInstance Byte (count bytes))]
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(doseq [[i b] (map-indexed vector (seq bytes))]
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(java.lang.reflect.Array/set a i b))
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a))
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(defspec boxed-bytes-round-trip 100
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(prop/for-all [x (gen/fmap box gen/bytes)]
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(let [bytes (pack-and-unpack x)]
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(and (instance? (Class/forName "[B") bytes)
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(= (seq bytes) (seq x))))))
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(defspec strings-round-trip 100
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(prop/for-all [x gen/string]
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(= (pack-and-unpack x) x)))
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(def ^:private vector-of-maps (gen/vector (gen/map gen/int gen/string)))
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(defspec vectors-round-trip 20
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(prop/for-all [x vector-of-maps]
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(= (pack-and-unpack x) x)))
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(defspec maps-round-trip 20
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(prop/for-all [x (gen/map gen/string vector-of-maps)]
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(= (pack-and-unpack x) x)))
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