From 2f7bcd6eb1f51da03514808d95ae3db09e98fbf9 Mon Sep 17 00:00:00 2001
From: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
Date: Sun, 12 Mar 2023 18:49:40 +0100
Subject: [PATCH] build-over test

---
 build.spec.lua | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/build.spec.lua b/build.spec.lua
index fd807db..01d23bf 100644
--- a/build.spec.lua
+++ b/build.spec.lua
@@ -3,8 +3,14 @@ building_lib.register_building("building_lib:dummy", {
 	placement = "dummy"
 })
 
+-- building can only be placed over "dummy"
 building_lib.register_building("building_lib:dummy_v2", {
 	placement = "dummy",
+    conditions = {
+        {
+            ["*"] = { name = "building_lib:dummy" }
+        }
+    }
 })
 
 mtt.register("build", function(callback)
@@ -41,6 +47,20 @@ mtt.register("build", function(callback)
     assert(info.size.y == 1)
     assert(info.size.z == 1)
 
+    -- try to build over
+    success, err = building_lib.can_build(mapblock_pos, playername, "building_lib:dummy_v2", rotation)
+    assert(not err)
+    assert(success)
+
+    -- build over
+    callback_called = false
+    success, err = building_lib.build(mapblock_pos, playername, "building_lib:dummy_v2", rotation,
+        function() callback_called = true end
+    )
+    assert(not err)
+    assert(success)
+    assert(callback_called)
+
     -- try to remove
     success, err = building_lib.can_remove(mapblock_pos)
     assert(not err)