1 files changed, 24 insertions, 0 deletions
diff --git a/tests/run.lua b/tests/run.lua
index 4e1649a..d30aea4 100644
--- a/tests/run.lua
+++ b/tests/run.lua
@@ -7206,6 +7206,30 @@ test("Core activation checks mapping suppression by sentinel presence", function
   end
 end)
 
+test("Core activation installs four default mappings in required modes", function()
+  fresh_sequence_state()
+  local host = MemoryHost.new()
+  local activation = composition_root.new({ host = host }):activate()
+  local mappings = host:mappings()
+
+  same(4, map_size(activation.mappings))
+  for _, expected in ipairs(composition_root.DEFAULT_MAPPINGS) do
+    local identity = activation.mappings[expected.lhs]
+    local actual = mappings[identity]
+    same(expected.lhs, actual.lhs)
+    same(expected.action, actual.action)
+    list_same(composition_root.DEFAULT_MAPPING_MODES, actual.modes)
+  end
+
+  fresh_sequence_state()
+  local configuration = {}
+  configuration[policy.DEFAULT_MAP_SUPPRESSION_SENTINEL] = false
+  local suppressed_host = MemoryHost.new({ configuration = configuration })
+  local suppressed = composition_root.new({ host = suppressed_host }):activate()
+  same(0, map_size(suppressed.mappings))
+  same(0, map_size(suppressed_host:mappings()))
+end)
+
 test("Primary coordination accepts only the four motion descriptors", function()
   local coordinator = sequence_coordinator.new({ host = MemoryHost.new() })
   for _, value in ipairs({ "f", "F", "t", "T" }) do