lua: tonumber(s, base) for bases 2-36 +3 tests; math.lua past assert #21

lib/lua/test.sh

@@ -978,6 +978,14 @@ cat > "$TMPFILE" << 'EPOCHS'
 (epoch 1895)
 (eval "(lua-eval-ast \"if string.find(\\\"hello\\\", \\\"^wor\\\") then return 0 else return 1 end\")")
 
+;; ── tonumber with base (Lua 5.1) ──────────────────────────────
+(epoch 1900)
+(eval "(lua-eval-ast \"return tonumber('1010', 2)\")")
+(epoch 1901)
+(eval "(lua-eval-ast \"return tonumber('FF', 16)\")")
+(epoch 1902)
+(eval "(lua-eval-ast \"if tonumber('99', 8) == nil then return 1 else return 0 end\")")
+
 EPOCHS
 
 OUTPUT=$(timeout 60 "$SX_SERVER" < "$TMPFILE" 2>/dev/null)
@@ -1482,6 +1490,11 @@ check 1893 "gsub %d → X"                    '"X + X = X:3"'
 check 1894 "find ^ anchor hit"              '1'
 check 1895 "find ^ anchor miss"             '1'
 
+# ── tonumber with base ───────────────────────────────────────
+check 1900 "tonumber('1010', 2)"            '10'
+check 1901 "tonumber('FF', 16)"             '255'
+check 1902 "tonumber('99', 8) → nil"        '1'
+
 TOTAL=$((PASS + FAIL))
 if [ $FAIL -eq 0 ]; then
   echo "ok $PASS/$TOTAL Lua-on-SX tests passed"