From 5f94f1faa77744cbc55413245ceed7aae96db265 Mon Sep 17 00:00:00 2001
From: Thijs Schreijer <thijs@thijsschreijer.nl>
Date: Wed, 6 Nov 2024 09:18:07 +0100
Subject: [PATCH] verify expected results

---
 tests/test-types.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/test-types.lua b/tests/test-types.lua
index df2566c0..7cf313de 100644
--- a/tests/test-types.lua
+++ b/tests/test-types.lua
@@ -35,11 +35,16 @@ asserteq(types.is_callable(List),true)
 do
     local mt = setmetatable({}, {
         __index = {
-            __call = function() end
+            __call = function() return "ok" end
         }
     })
     asserteq(type(mt.__call), "function") -- __call is looked-up through another metatable
     local nc = setmetatable({}, mt)
+    -- proof-of-pudding, let's call it. To verify Lua behaves the same on all engines
+    local success, result = pcall(function() return nc() end)
+    assert(result ~= "ok", "expected result to not be 'ok'")
+    asserteq(success, false)
+    -- real test now
     asserteq(types.is_callable(nc), false) -- NOT callable, since __call is fetched using RAWget by Lua
 end