From 1d7cf6fe16c4b1e9a2cfc71b9feb098118cf7ca8 Mon Sep 17 00:00:00 2001
From: Jackson Moore <jacksonmoore@tuta.io>
Date: Fri, 4 Sep 2026 10:27:07 +0200
Subject: Advance sequential count origins

---
 tests/run.lua | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'tests')

diff --git a/tests/run.lua b/tests/run.lua
index 6d9289e..209cf28 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -2712,6 +2712,38 @@ test("Later TILL moves skip an adjacent stationary destination", function()
   )
 end)
 
+test("Sequential counts reuse each accepted destination as origin", function()
+  local view = text_topology.new({ "abxbxb" }, "utf-8")
+  local matched_starts = {}
+  local target_match = domain.TargetPlan.new({
+    target = target("b"),
+    kind = domain.TargetPlanKind.LITERAL,
+    case_mode = domain.CaseMode.SENSITIVE,
+    matcher = function(character, position)
+      if character == "b" then
+        matched_starts[#matched_starts + 1] = tostring(position)
+        return true
+      end
+      return false
+    end,
+  })
+  local outcome = destination_engine.calculate(
+    view,
+    domain.Position.new(1, 1),
+    motion_plan.build(target_match, "t"),
+    3,
+    true
+  )
+
+  same(domain.SearchStatus.COMPLETE, outcome.status)
+  same(domain.Position.new(1, 5), outcome.endpoint)
+  same(3, outcome.successful_steps)
+  list_same(
+    { "(1,2)", "(1,2)", "(1,4)", "(1,4)", "(1,6)" },
+    matched_starts
+  )
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then
-- 
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