Return partial destination outcomes

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/run.lua b/tests/run.lua
index de0013f..eac53bf 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -2803,6 +2803,42 @@ test("Complete outcomes report the last destination after every count unit", fun
   same(2, backward_outcome.successful_steps)
 end)
 
+test("Partial outcomes retain the last intermediate destination", function()
+  local engine = destination_engine.new()
+  local find_view = text_topology.new({ "axaxa" }, "utf-8")
+  local find_plan = motion_plan.build(
+    target_plan.build(target("a"), matching_policy()),
+    "f"
+  )
+  local find_partial = engine:calculate(
+    find_view,
+    domain.Position.new(1, 1),
+    find_plan,
+    3,
+    true
+  )
+  same(domain.SearchStatus.BOUNDARY_AFTER_PARTIAL, find_partial.status)
+  falsy(find_partial.complete)
+  same(domain.Position.new(1, 5), find_partial.endpoint)
+  same(2, find_partial.successful_steps)
+
+  local till_view = text_topology.new({ "abxb" }, "utf-8")
+  local till_plan = motion_plan.build(
+    target_plan.build(target("b"), matching_policy()),
+    "t"
+  )
+  local till_partial = engine:calculate(
+    till_view,
+    domain.Position.new(1, 1),
+    till_plan,
+    3,
+    true
+  )
+  same(domain.SearchStatus.BOUNDARY_AFTER_PARTIAL, till_partial.status)
+  same(domain.Position.new(1, 3), till_partial.endpoint)
+  same(2, till_partial.successful_steps)
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then