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diff --git a/js/scripting-lang/TABLE_ENHANCEMENTS_MYSTERY.md b/js/scripting-lang/TABLE_ENHANCEMENTS_MYSTERY.md new file mode 100644 index 0000000..5bfbdad --- /dev/null +++ b/js/scripting-lang/TABLE_ENHANCEMENTS_MYSTERY.md @@ -0,0 +1,40 @@ +# 🕵️ Table Enhancements Mystery - Investigation Log + +## 📊 **Status**: DEFERRED (Strategic Decision) +- **Current Progress**: 29/34 tests (85%) +- **Test Status**: FAIL on assertion around line 81 +- **Decision**: Focus on other 4 failing tests first + +## 🔍 **Investigation Summary** + +**Symptoms**: +- Assertion failure: `..assert person.age = 30; /* Original unchanged */` +- Test fails around line 81 in `tests/unit/17_table_enhancements.txt` + +**Verified Working Operations** ✅: +- **t.set immutability**: ✅ `person.age: 30` (unchanged after `t.set`) +- **t.delete immutability**: ✅ `person.age: 30` (unchanged after `t.delete`) +- **t.merge functionality**: ✅ Correct merging with precedence +- **t.length, t.has, t.get**: ✅ All return correct values +- **map, each combinators**: ✅ Proper immutability maintained +- **Individual assertions**: ✅ All pass when tested separately + +**Ruled Out Hypotheses** ❌: +- ❌ **map mutation**: map function IS properly immutable +- ❌ **t.set mutation**: t.set IS properly immutable +- ❌ **t.delete mutation**: t.delete IS properly immutable +- ❌ **Operation bugs**: All operations work correctly in isolation + +**Remaining Mystery** 🤔: +- **Context dependency**: Something in the full test sequence causes failure +- **Variable reuse**: `person` variable used multiple times throughout test +- **Cumulative effect**: Unknown interaction between operations + +## 🎯 **Strategic Decision** + +**Action**: Deferred investigation in favor of: +1. Implementing missing table operations (`t.shape`, `t.append`, `t.prepend`) +2. Fixing other 4 failing tests for quicker wins +3. Returning to this mystery after achieving higher test coverage + +**Rationale**: All core functionality works correctly, suggesting this is likely a test-specific issue rather than a fundamental implementation problem. \ No newline at end of file |