From 70bc720156f8ff315fcf54f478becfdf098f3994 Mon Sep 17 00:00:00 2001
From: Jackson Moore <jacksonmoore@tuta.io>
Date: Fri, 4 Sep 2026 12:41:06 +0200
Subject: Detect cross-line feedback migration

---
 tests/run.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'tests')

diff --git a/tests/run.lua b/tests/run.lua
index b0f9cee..e73dda7 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -6374,6 +6374,31 @@ test("Full feedback finalization preserves reusable sequence data", function()
   same(dictionary, state:get_migemo("utf-8"))
 end)
 
+test("Command feedback migration compares origin and destination lines", function()
+  same(
+    nil,
+    feedback_service.command_migration_reason({
+      origin = domain.Position.new(2, 1),
+      destination = domain.Position.new(2, 7),
+    })
+  )
+  same(
+    feedback_service.MigrationReason.LINE_CHANGE,
+    feedback_service.command_migration_reason({
+      origin = domain.Position.new(2, 7),
+      destination = domain.Position.new(3, 1),
+    })
+  )
+  same(
+    nil,
+    feedback_service.command_migration_reason({
+      origin = domain.Position.new(2, 7),
+      destination = domain.Position.new(3, 1),
+      outcome = { complete = false },
+    })
+  )
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then
-- 
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