--- libmalloc/libmalloc-374.60.3/tests/malloc_size_test.c
+++ libmalloc/libmalloc-317.121.1/tests/malloc_size_test.c
@@ -43,6 +43,12 @@
 	test_malloc_size_valid(8192, 65536, 1024);
 }
 
+T_DECL(malloc_size_valid_nanov1, "Test malloc_size() on valid pointers for Nanov1",
+	   T_META_ENVVAR("MallocNanoZone=V1"))
+{
+	test_malloc_size_valid(2, 256, 16);
+}
+
 T_DECL(malloc_size_valid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
 	   T_META_ENVVAR("MallocNanoZone=V2"))
 {
@@ -58,6 +64,12 @@
 	test_malloc_size_invalid(8192, 32768, 1024);
 }
 
+T_DECL(malloc_size_invalid_nanov1, "Test malloc_size() on valid pointers for Nanov1",
+	   T_META_ENVVAR("MallocNanoZone=V1"))
+{
+	test_malloc_size_invalid(2, 256, 16);
+}
+
 T_DECL(malloc_size_invalid_nanov2, "Test malloc_size() on valid pointers for Nanov2",
 	   T_META_ENVVAR("MallocNanoZone=V2"))
 {