Return complete destination outcomes

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/run.lua b/tests/run.lua
index c6905b5..de0013f 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -2771,6 +2771,38 @@ test("Count calculation stops when its fixed boundary is reached", function()
   same(4, visits)
 end)
 
+test("Complete outcomes report the last destination after every count unit", function()
+  local view = text_topology.new({ "ababa" }, "utf-8")
+  local target_match = target_plan.build(target("a"), matching_policy())
+  local engine = destination_engine.new()
+  local forward = motion_plan.build(target_match, "f")
+  local backward = motion_plan.build(target_match, "F")
+
+  local forward_outcome = engine:calculate(
+    view,
+    domain.Position.new(1, 1),
+    forward,
+    domain.Count.new(2),
+    true
+  )
+  same(domain.SearchStatus.COMPLETE, forward_outcome.status)
+  truthy(forward_outcome.complete)
+  same(domain.Position.new(1, 5), forward_outcome.endpoint)
+  same(2, forward_outcome.successful_steps)
+
+  local backward_outcome = engine:calculate(
+    view,
+    forward_outcome.endpoint,
+    backward,
+    2,
+    false
+  )
+  same(domain.SearchStatus.COMPLETE, backward_outcome.status)
+  truthy(backward_outcome.complete)
+  same(domain.Position.new(1, 1), backward_outcome.endpoint)
+  same(2, backward_outcome.successful_steps)
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then