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jolt/test/chez
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Dmitri Sotnikov 27d99db4bc
java.time: parse fractional seconds in formatter-based date parsing (#240) 
parse-ms ignored sub-second fractions: a formatter parse of
"2020-07-06T10:59:13.417Z" dropped the .417 (and the ISO_OFFSET_DATE_TIME pattern
"…ssXXX" then mis-aligned, reading ".417Z" as the offset). java.time's ISO
formatters accept an optional fractional second, so jolt should too.

After parsing the seconds field, consume an optional .fff from the input (to
millis) when the pattern carries no fraction field — which is how the ISO_*
constants are modeled here (ss, no S). Also handle the S pattern letter for
explicit .SSS patterns. Carry the fraction into the result.

Fixes aws-api shape iso8601 parse (1 FAIL -> 0; cognitect.aws.util/parse-date now
returns the right Date). Two JVM-certified corpus rows. make test green, 0 new
divergences. Runtime .ss — no re-mint.

Co-authored-by: Yogthos <yogthos@gmail.com>
2026-06-26 19:49:49 +00:00
..
build-app Source locations: reader positions, error locations, native stack traces (#218) 2026-06-26 02:14:34 +00:00
bench-chez.ss Clean up codebase: rename stdlib layer, strip porting residue, fix tooling 2026-06-22 22:18:00 -04:00
corpus.edn java.time: parse fractional seconds in formatter-based date parsing (#240) 2026-06-26 19:49:49 +00:00
directlink-test.ss Fix direct-link crash on a non-fn var called as a function 2026-06-23 23:34:28 -04:00
ffi-binding-test.ss Group the JVM interop shims under host/chez/java/ 2026-06-25 18:35:44 -04:00
inline-test.ss Enable IR inlining: splice small defns at call sites (lever 1/4) 2026-06-23 17:43:13 -04:00
numeric-test.ss Type literal-init loop counters as fixnums (lever 2/4) 2026-06-23 17:57:39 -04:00
README.md Docs: Chez-only, drop the Janet-era references and obsolete migration notes 2026-06-22 09:05:35 -04:00
transient-test.ss Clean up codebase: rename stdlib layer, strip porting residue, fix tooling 2026-06-22 22:18:00 -04:00
unit.edn Source locations: reader positions, error locations, native stack traces (#218) 2026-06-26 02:14:34 +00:00
values-test.ss Clean up codebase: rename stdlib layer, strip porting residue, fix tooling 2026-06-22 22:18:00 -04:00

README.md

Chez test harness

The correctness gate for jolt. Pure Chez (+ Clojure for the JVM oracle). Correctness is judged against the JVM-sourced conformance spec; the spec itself lives in test/conformance/ (see its SPEC.md). Run the whole gate with make test from the repo root.

The spec corpus

corpus.edn is the contract: ~2920 rows {:suite :label :expected :actual}, with :expected sourced from reference JVM Clojure by test/conformance/regen-corpus.clj. It is frozen (the canonical source) — add or change cases here, then re-source the answers with regen-corpus.clj and re-certify with test/conformance/certify.clj.

The gate runners (host/chez/)

  • run-corpus.ss — runs every corpus case through the spine (read → analyze → IR → emit → eval, all on Chez), comparing each result by value-equality against the JVM :expected. A known-fail allowlist covers cases jolt can't match because Chez has no JVM host (Java classes, arrays, BigDecimal, opaque host-object printers, …); the gate fails only on a NEW divergence or if the pass count drops below the floor.

    chez --script host/chez/run-corpus.ss
JOLT_CORPUS_LIMIT=200 …            # every-Nth stride, fast iteration
JOLT_CHEZ_ZJ_FLOOR=N …            # override the floor (default 2678)

  • run-unit.ss — host-specific unit cases (test/chez/unit.edn) that aren't in the JVM-portable corpus: dot-forms, java statics, io, reader, walk, vars/namespaces, refs. Each :expr is evaluated in-process and its printed value compared to a baked :expected (:throws asserts a raise).

  • selfcheck.sh — self-host fixpoint: bootstrap.ss rebuild byte-equals the checked-in seed (host/chez/seed/).

  • smoke.sh — real bin/joltc -e CLI smoke.

Other Chez tests

  • values-test.ss — the value model (nil/truthiness/collections). make values.
  • bench-chez.ss — compute bench through the pipeline (opt-in; not in the gate).

All runners assume chez on PATH.