1 files changed, 6 insertions, 1 deletions
diff --git a/test/fiddle/test_fiddle.rb b/test/fiddle/test_fiddle.rb
index 21609933d2..f910978af5 100644
--- a/test/fiddle/test_fiddle.rb
+++ b/test/fiddle/test_fiddle.rb
@@ -15,8 +15,13 @@ class TestFiddle < Fiddle::TestCase
       :TYPE_LONG_LONG,
       :TYPE_FLOAT,
       :TYPE_DOUBLE,
+      :TYPE_SIZE_T,
+      :TYPE_SSIZE_T,
+      :TYPE_PTRDIFF_T,
+      :TYPE_INTPTR_T,
+      :TYPE_UINTPTR_T,
     ].each do |name|
-      assert_equal(DL.const_get(name), Fiddle.const_get(name))
+      assert_equal(DL.const_get(name), Fiddle.const_get(name), "Fiddle::#{name}")
     end
   end