datetimeformatter: DateTimeFormatter cheat sheet module (pattern letters incl. the four hour letters, yyyy vs YYYY week-year bug and WeekFields, en_IN locales and the U+202F AM/PM trap with parseLenient fix, SMART/STRICT/LENIENT parsing, ISO constants, SimpleDateFormat thread safety), 18 contract tests

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b3fvyFpxThdRxcozLx
2026-11-14 01:24:52 +05:30
parent c8588ae520
commit 5faa57bb2d
22 changed files with 944 additions and 0 deletions
@@ -0,0 +1,3 @@
+threads=8, parses per thread=20000
+SimpleDateFormat (shared) : exceptions=461, wrong results=3824
+DateTimeFormatter (shared): exceptions=0, wrong results=0