jolt/test/phase7-test.janet
Yogthos e2e7fa1447 feat: complete atom implementation, new macros, predicates, and test coverage
## Runtime (src/jolt/core.janet, +637/-99)

### Atom system (complete)
- core-atom: :validator and :meta options, watches table, atom-validate/atom-notify-watches helpers
- New functions: swap-vals!, reset-vals!, compare-and-set!, set-validator!, get-validator, add-watch, remove-watch
- Validator: blocks invalid reset!/swap!; watches: notification with old/new values; metadata support
- All 7 functions registered in core-bindings

### New predicates
- integer?, boolean?, list? — all registered in core-bindings

### New math
- abs, rand, rand-int — registered in core-bindings

### Control flow macros (7 new)
- cond, case (with one-of-many list support), condp, dotimes, while, if-not, when-first
- Registered as macros: cond, case, for, dotimes, while, condp, if-not, when-first

### Threading macros (7)
- -> (thread-first), ->> (thread-last), some->, some->>, cond->, cond->>, as->
- Renamed to core-thread-first/core-thread-last to avoid collision with comparison operators

### for comprehension
- Full Clojure for macro: :when, :let modifiers, nested bindings
- Uses map/mapcat expansion, correct last-group optimization

### Sequence operations (15 new)
- last, butlast, second, ffirst, fnext, nfirst, nnext, nthnext, nthrest
- drop-last, take-nth, map-indexed, keep, keep-indexed, reductions

### Nil-safety fixes
- core-reverse, core-sort, core-sort-by, core-distinct now handle nil input

## Tests (7 new files, 361 assertions across all tests)

### Ported from Clojure test suite (4 files)
- clojure-logic-test.janet: 82 assertions (if/and/or/not/some?/nil-punning)
- clojure-control-test.janet: 56 assertions (do/when/if-let/cond/dotimes/while/loop/case)
- clojure-macros-test.janet: 21 assertions (->/->>/some->/some->>/cond->/cond->>/as->)
- clojure-for-test.janet: 4 assertions (:when/:let/nested for)

### Systematic coverage
- clojure-atom-test.janet: 31 assertions (creation/reset!/swap!/swap-vals!/reset-vals!/CAS/validator/watches/meta)
- systematic-coverage.janet: 120+ assertions (predicates/math/comparison/logic/collections/seq-ops/destructuring)
- logic-test.janet: earlier ported logic tests

### Existing tests updated
- lazy-test.janet, phase7-test.janet: updated for nil-safe core functions

## Result
47 test files, all passing. 19 new functions/macros implemented.
Clojure atom semantics complete: validators, watches, metadata, CAS, swap-vals!/reset-vals!.
2026-06-04 12:01:58 -04:00

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# Phase 7: LazySeq + PersistentHashSet completion
(use ../src/jolt/api)
(defn ct-eval [ctx s] (eval-string ctx s))
(print "32: lazy-seq...")
(let [ctx (init)]
(let [ls (ct-eval ctx "(lazy-seq (cons 1 (lazy-seq (cons 2 nil))))")]
(assert (not (nil? ls)) "lazy-seq returns non-nil")
(assert (= 1 (ct-eval ctx "(first (lazy-seq (cons 1 nil)))")) "first of lazy"))
(assert (= true (ct-eval ctx "(= [1 2 3] (seq (lazy-seq [1 2 3])))")) "seq forces lazy")
(eval-string ctx "(def counter (atom 0))")
(def val (ct-eval ctx "(let [ls (lazy-seq (do (swap! counter inc) [1 2 3]))] (seq ls) (seq ls) @counter)"))
(assert (= 1 val) "realized once"))
(print " passed")
(print "33: PersistentHashSet...")
(let [ctx (init)]
(assert (= true (ct-eval ctx "(set? #{1 2 3})")) "set? true")
(assert (= false (ct-eval ctx "(set? [1 2 3])")) "set? false")
(assert (= 4 (ct-eval ctx "(count (conj #{1 2 3} 4))")) "conj add")
(assert (= 2 (ct-eval ctx "(count (disj #{1 2 3} 3))")) "disj")
(assert (= 3 (ct-eval ctx "(count #{1 2 3})")) "count")
(assert (= true (ct-eval ctx "(= #{1 2 3} #{3 2 1})")) "= order-independent"))
(print "\nAll Phase 7 tests passed!")