diff --git a/game.project b/game.project
index cdb6d21..8601249 100644
--- a/game.project
+++ b/game.project
@@ -1,7 +1,7 @@
 [project]
 title = Monarch
 version = 0.9
-dependencies = https://github.com/britzl/deftest/archive/2.4.3.zip
+dependencies = https://github.com/britzl/deftest/archive/2.7.0.zip
 
 [bootstrap]
 main_collection = /test/test.collectionc
diff --git a/test/test.script b/test/test.script
index 1c793ad..e9477ed 100644
--- a/test/test.script
+++ b/test/test.script
@@ -5,5 +5,8 @@ local test_monarch = require "test.test_monarch"
 
 function init(self)
 	deftest.add(test_monarch)
-	deftest.run({ coverage = { enabled = true }})
+	deftest.run({ 
+		coverage = { enabled = true },
+		--pattern = "preload",
+	})
 end
diff --git a/test/test_monarch.lua b/test/test_monarch.lua
index 3b2b0ff..2b0a213 100644
--- a/test/test_monarch.lua
+++ b/test/test_monarch.lua
@@ -34,6 +34,14 @@ return function()
 		return fn(...)
 	end
 
+	local function wait_until_done(fn)
+		local is_done = false
+		local function done()
+			is_done = true
+		end
+		fn(done)
+		wait_timeout(function() return is_done end)
+	end
 	local function wait_until_visible(screen_id)
 		return wait_timeout(is_visible, screen_id)
 	end
@@ -302,6 +310,16 @@ return function()
 			assert(wait_until_not_busy())
 		end)
 
+		it("should be able to preload a screen and wait for it", function()
+			assert(not monarch.is_preloading(TRANSITION1))
+			monarch.preload(TRANSITION1)
+			assert(monarch.is_preloading(TRANSITION1))
+			wait_until_done(function(done)
+				monarch.when_preloaded(TRANSITION1, done)
+			end)
+			assert(not monarch.is_preloading(TRANSITION1))
+		end)
+		
 		it("should ignore any preload calls while busy", function()
 			monarch.show(TRANSITION1)
 			-- previously a call to preload() while also showing a screen would
@@ -357,7 +375,12 @@ return function()
 			assert(mock_msg.messages(URL1)[10].message.screen == SCREEN1)
 		end)
 
-
+		it("should be able to show a screen even while it is preloading", function()
+			assert(monarch.is_preloading(SCREEN_PRELOAD))
+			monarch.show(SCREEN_PRELOAD, nil, { count = 1 })
+			assert(wait_until_shown(SCREEN_PRELOAD), "Screen_preload was never shown")
+		end)
+		
 		it("should be able to preload a screen and always keep it loaded", function()
 			monarch.show(SCREEN_PRELOAD, nil, { count = 1 })
 			assert(wait_until_shown(SCREEN_PRELOAD), "Screen_preload was never shown")