diff --git a/apps/openmw_test_suite/detournavigator/tilecachedrecastmeshmanager.cpp b/apps/openmw_test_suite/detournavigator/tilecachedrecastmeshmanager.cpp
index b84f7a22ec..5275d9119e 100644
--- a/apps/openmw_test_suite/detournavigator/tilecachedrecastmeshmanager.cpp
+++ b/apps/openmw_test_suite/detournavigator/tilecachedrecastmeshmanager.cpp
@@ -10,6 +10,7 @@
 #include <BulletCollision/CollisionShapes/btCompoundShape.h>
 
 #include <gtest/gtest.h>
+#include <gmock/gmock.h>
 
 namespace
 {
@@ -56,6 +57,45 @@ namespace
         EXPECT_EQ(calls, 0);
     }
 
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, add_object_for_new_object_should_return_true)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        EXPECT_TRUE(manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground));
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, add_object_for_existing_object_should_return_false)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_FALSE(manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground));
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, update_object_for_changed_object_should_return_changed_tiles)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        const btTransform transform(btMatrix3x3::getIdentity(), btVector3(getTileSize(mSettings) / mSettings.mRecastScaleFactor, 0, 0));
+        manager.addObject(ObjectId(1ul), boxShape, transform, AreaType::AreaType_ground);
+        EXPECT_THAT(
+            manager.updateObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground),
+            ElementsAre(TilePosition(-1, -1), TilePosition(-1, 0), TilePosition(0, -1), TilePosition(0, 0),
+                        TilePosition(1, -1), TilePosition(1, 0))
+        );
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, update_object_for_not_changed_object_should_return_empty)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_EQ(
+            manager.updateObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground),
+            std::vector<TilePosition>()
+        );
+    }
+
     TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_mesh_after_add_object_should_return_recast_mesh_for_each_used_tile)
     {
         TileCachedRecastMeshManager manager(mSettings);
@@ -138,4 +178,62 @@ namespace
         EXPECT_NE(manager.getMesh(TilePosition(0, -1)), nullptr);
         EXPECT_NE(manager.getMesh(TilePosition(0, 0)), nullptr);
     }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_add_object_new_should_return_incremented_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const auto initialRevision = manager.getRevision();
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_EQ(manager.getRevision(), initialRevision + 1);
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_add_object_existing_should_return_same_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        const auto beforeAddRevision = manager.getRevision();
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_EQ(manager.getRevision(), beforeAddRevision);
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_update_moved_object_should_return_incremented_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        const btTransform transform(btMatrix3x3::getIdentity(), btVector3(getTileSize(mSettings) / mSettings.mRecastScaleFactor, 0, 0));
+        manager.addObject(ObjectId(1ul), boxShape, transform, AreaType::AreaType_ground);
+        const auto beforeUpdateRevision = manager.getRevision();
+        manager.updateObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_EQ(manager.getRevision(), beforeUpdateRevision + 1);
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_update_not_changed_object_should_return_same_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        const auto beforeUpdateRevision = manager.getRevision();
+        manager.updateObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        EXPECT_EQ(manager.getRevision(), beforeUpdateRevision);
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_remove_existing_object_should_return_incremented_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const btBoxShape boxShape(btVector3(20, 20, 100));
+        manager.addObject(ObjectId(1ul), boxShape, btTransform::getIdentity(), AreaType::AreaType_ground);
+        const auto beforeRemoveRevision = manager.getRevision();
+        manager.removeObject(ObjectId(1ul));
+        EXPECT_EQ(manager.getRevision(), beforeRemoveRevision + 1);
+    }
+
+    TEST_F(DetourNavigatorTileCachedRecastMeshManagerTest, get_revision_after_remove_absent_object_should_return_same_value)
+    {
+        TileCachedRecastMeshManager manager(mSettings);
+        const auto beforeRemoveRevision = manager.getRevision();
+        manager.removeObject(ObjectId(1ul));
+        EXPECT_EQ(manager.getRevision(), beforeRemoveRevision);
+    }
 }