Default missing explicit targets

2 files changed, 29 insertions, 2 deletions

diff --git a/lua/clever_f/repeat_resolver.lua b/lua/clever_f/repeat_resolver.lua
index 2af60bf..32734cb 100644
--- a/lua/clever_f/repeat_resolver.lua
+++ b/lua/clever_f/repeat_resolver.lua
@@ -235,11 +235,21 @@ RepeatResolver.primary_direction = RepeatResolver.resolve_primary_direction
 RepeatResolver.effective_primary_descriptor =
   RepeatResolver.resolve_primary_direction
 
+function M.explicit_target(stored_target)
+  if stored_target == nil then
+    return domain.TargetValue.code_fallback(0)
+  end
+  return stored_target
+end
+
 function M.build_same_direction_request(stored_descriptor, stored_target)
   if stored_descriptor == nil then
     return domain.ExplicitRepeatRequest.neutral()
   end
-  return domain.ExplicitRepeatRequest.new(stored_descriptor, stored_target)
+  return domain.ExplicitRepeatRequest.new(
+    stored_descriptor,
+    M.explicit_target(stored_target)
+  )
 end
 
 M.explicit_same_direction = M.build_same_direction_request
@@ -262,7 +272,7 @@ function M.build_opposite_direction_request(stored_descriptor, stored_target)
   end
   return domain.ExplicitRepeatRequest.new(
     domain.Descriptor.swap(stored_descriptor),
-    stored_target
+    M.explicit_target(stored_target)
   )
 end
 
diff --git a/tests/run.lua b/tests/run.lua
index d360332..11062ac 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -4147,6 +4147,23 @@ test("Missing explicit descriptors return a neutral request", function()
   truthy(resolver:opposite_direction_request("n").neutral)
 end)
 
+test("Missing explicit targets use character code zero", function()
+  local _, transitions = fresh_sequence_state()
+  transitions:BeginAcquisition("n", "T")
+  local resolver = repeat_resolver.new()
+
+  local same_request = resolver:same_direction_request("n")
+  local opposite_request = resolver:opposite_direction_request("n")
+  for _, request in ipairs({ same_request, opposite_request }) do
+    falsy(request.neutral)
+    same(domain.TargetKind.CODE_FALLBACK, request.target.kind)
+    same(0, request.target.first_code)
+    same("", request.target.value)
+  end
+  same(domain.Descriptor.TILL_BACKWARD, same_request.descriptor)
+  same(domain.Descriptor.TILL_FORWARD, opposite_request.descriptor)
+end)
+
 for _, item in ipairs(tests) do
   local ok, failure = xpcall(item.body, debug.traceback)
   if not ok then