diff --git a/tests/template_tests/test_base.py b/tests/template_tests/test_base.py
index 4012a89f7d..3bc857abee 100644
--- a/tests/template_tests/test_base.py
+++ b/tests/template_tests/test_base.py
@@ -11,3 +11,12 @@ class VariableDoesNotExistTests(SimpleTestCase):
 class VariableTests(SimpleTestCase):
     def test_integer_literals(self):
         self.assertEqual(Variable('999999999999999999999999999').literal, 999999999999999999999999999)
+
+    def test_nonliterals(self):
+        """Variable names that aren't resolved as literals."""
+        var_names = []
+        for var in ('inf', 'infinity', 'iNFiniTy', 'nan'):
+            var_names.extend((var, '-' + var, '+' + var))
+        for var in var_names:
+            with self.subTest(var=var):
+                self.assertIsNone(Variable(var).literal)