3 files changed, 30 insertions, 0 deletions
diff --git a/test/app.hpp b/test/app.hpp
index ef98a8b4..3544ed1b 100644
--- a/test/app.hpp
+++ b/test/app.hpp
@@ -44,6 +44,7 @@ struct test_app final : private FM_APPLICATION
     static void test_hash();
     static void test_path_search_node_pool();
     static void test_dijkstra();
+    static void test_coords();
     static void zzz_test_misc();
 };
 } // namespace floormat
diff --git a/test/coords.cpp b/test/coords.cpp
new file mode 100644
index 00000000..f673e7cd
--- /dev/null
+++ b/test/coords.cpp
@@ -0,0 +1,28 @@
+#include "app.hpp"
+#include "src/object.hpp"
+
+namespace floormat {
+
+namespace {
+
+constexpr auto norm = [](const point& pt, Vector2i delta) { return object::normalize_coords(pt, delta); };
+
+void test_normalize_point()
+{
+    auto a = point{{{ 0,  0,  0}, { 0,  0}}, {  0,   0} },
+         b = point{{{ 0, -1,  0}, {15, 15}}, {  0,   0} },
+         c = point{{{-1,  1,  1}, { 0,  0}}, {  1,  31} },
+         d = point{{{ 1,  0,  1}, {15, 15}}, {-31,  31} },
+         e = point{{{ 1,  0,  1}, {15, 15}}, {-31,  31} };
+
+    fm_assert_equal(norm(a, {}), point{{{ 0,  0,  0}, { 0,  0}}, {  0,   0} });
+}
+
+} // namespace
+
+void test_app::test_coords()
+{
+    test_normalize_point();
+}
+
+} // namespace floormat
diff --git a/test/main.cpp b/test/main.cpp
index 57dd8fc5..7855a87a 100644
--- a/test/main.cpp
+++ b/test/main.cpp
@@ -34,6 +34,7 @@ int test_app::exec()
     test_hash();
     test_path_search_node_pool();
     test_dijkstra();
+    test_coords();
     zzz_test_misc();
 
     return 0;