diff --git a/test/helper.cpp b/test/helper.cpp
index e1cd2bf009..ccef76d1ab 100644
--- a/test/helper.cpp
+++ b/test/helper.cpp
@@ -18,6 +18,9 @@ int main()
     a.T().print();
     TEST(!isEqual(a, b));
     TEST(isEqual(a, a));
+
+    TEST(isEqual(1.0f, 1.0f));
+    TEST(!isEqual(1.0f, 2.0f));
     return 0;
 }