Define destination engine inputs

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/run.lua b/tests/run.lua
index 6d4ed3e..f684d65 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -8,6 +8,7 @@ package.path = table.concat({
 
 local domain = require("clever_f.domain")
 local capabilities = require("clever_f.capabilities")
+local destination_engine = require("clever_f.destination_engine")
 local case_policy = require("clever_f.case_policy")
 local policy = require("clever_f.policy")
 local migemo_catalog = require("clever_f.migemo_catalog")
@@ -2166,6 +2167,40 @@ test("MotionPlanFactory combines resolved motion values", function()
   end, "TargetPlan")
 end)
 
+test("DestinationEngine accepts pure calculation inputs", function()
+  local view = text_topology.new({ "abc" }, "utf-8")
+  local plan = motion_plan.build(
+    target_plan.build(target("z"), matching_policy()),
+    "f"
+  )
+  local engine = destination_engine.new()
+  local origin = domain.Position.new(1, 1)
+  local outcome = engine:calculate(view, origin, plan, nil, true)
+
+  same(domain.SearchStatus.BOUNDARY_BEFORE_ANY, outcome.status)
+  same(origin, outcome.endpoint)
+  same(0, outcome.successful_steps)
+  truthy(destination_engine.DestinationEngine.is(engine))
+  fails(function()
+    engine.mutable = true
+  end, "immutable")
+  fails(function()
+    engine:calculate({}, origin, plan, 1, true)
+  end, "TextView")
+  fails(function()
+    engine:calculate(view, origin, {}, 1, true)
+  end, "ResolvedMotionPlan")
+  fails(function()
+    engine:calculate(view, origin, plan, 0, true)
+  end, "positive")
+  fails(function()
+    engine:calculate(view, origin, plan, 1, nil)
+  end, "Boolean")
+  fails(function()
+    engine:calculate(view, domain.Position.new(1, 4), plan, 1, true)
+  end, "valid cursor")
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then