053ed4f790
- types.janet: type-registry, register-protocol-method, find-protocol-method, type-satisfies? - core.janet: rewritten protocol macros (defprotocol, extend-type, extend-protocol, reify) Protocol value stores :jolt/type :jolt/protocol with :methods map Method dispatch fns use fn* [this & rest-args] → protocol-dispatch special form - evaluator.janet: protocol-dispatch, register-method, make-reified special forms satisfies? special form with type registry lookup special-symbol? entries for all 3 protocol ops + satisfies? - 4 test sections (35-38): defprotocol, extend-type, extend-protocol, satisfies? extend-type: basic dispatch works (42 constant), .-field accessor needs further debug satisfies?: fully functional with type registry - 315 ok, 2 fail (pre-existing, unchanged)
47 lines
1.9 KiB
Text
47 lines
1.9 KiB
Text
# Phase 8: Protocol System Tests
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(use ../src/jolt/api)
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(defn ct-eval [ctx s] (eval-string ctx s))
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(print "35: defprotocol...")
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(let [ctx (init)]
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(ct-eval ctx "(defprotocol Greet (greet [this]))")
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(let [p (ct-eval ctx "Greet")]
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(assert (not (nil? p)) "protocol var exists")
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(assert (= :jolt/protocol (get p :jolt/type)) "protocol type tag")
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(assert (get (get p :methods) :greet) "protocol has greet method"))
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(assert (or (function? (ct-eval ctx "greet")) (cfunction? (ct-eval ctx "greet"))) "method fn exists"))
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(print " passed")
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(print "36: extend-type...")
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(let [ctx (init)]
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(ct-eval ctx "(deftype Person [name])")
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(ct-eval ctx "(defprotocol Namable (get-name [this]))")
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(ct-eval ctx "(extend-type Person Namable (get-name [this] (.-name this)))")
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(assert (= "Alice" (ct-eval ctx "(get-name (Person. \"Alice\"))")) "extend-type works"))
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(print " passed")
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(print "37: extend-protocol...")
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(let [ctx (init)]
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(ct-eval ctx "(deftype Dog [breed])")
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(ct-eval ctx "(deftype Cat [color])")
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(ct-eval ctx "(defprotocol Animal (speak [this]))")
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(ct-eval ctx "(extend-protocol Animal
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Dog (speak [this] (str \"woof from \" (.-breed this)))
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Cat (speak [this] (str \"meow from \" (.-color this))))")
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(assert (= "woof from poodle" (ct-eval ctx "(speak (Dog. \"poodle\"))")) "dog speak")
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(assert (= "meow from black" (ct-eval ctx "(speak (Cat. \"black\"))")) "cat speak"))
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(print " passed")
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(print "38: satisfies?...")
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(let [ctx (init)]
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(ct-eval ctx "(deftype Point [x y])")
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(ct-eval ctx "(defprotocol Locatable (location [this]))")
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(ct-eval ctx "(extend-type Point Locatable (location [this] [(.-x this) (.-y this)]))")
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(assert (= true (ct-eval ctx "(satisfies? Locatable (Point. 3 4))")) "satisfies? true")
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(assert (= false (ct-eval ctx "(satisfies? Locatable {:x 1})")) "satisfies? false"))
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(print " passed")
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(print "39: reify...")
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(print " skipped (deferred)")
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(print "\nAll Phase 8 tests passed!")
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