From ed7839eabb5181cd80530b60a6cd843690cd11eb Mon Sep 17 00:00:00 2001
From: DerThorsten <derthorstenbeier@gmail.com>
Date: Sat, 16 Nov 2024 16:31:11 +0100
Subject: [PATCH] sparse union

---
 test/test_builder.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/test_builder.cpp b/test/test_builder.cpp
index bd24ebb8d..02b8074e6 100644
--- a/test/test_builder.cpp
+++ b/test/test_builder.cpp
@@ -202,9 +202,9 @@ namespace sparrow
             }
         }
     }
-    TEST_CASE("union")
+    TEST_CASE("sparse-union")
     {
-        SUBCASE("sparse")
+        SUBCASE("simple")
         {   
             using variant_type = std::variant<int, float, std::string>;
             std::vector<variant_type> v{
@@ -214,6 +214,8 @@ namespace sparrow
             };
 
             auto arr = sparrow::build(v);
+            using arr_type = std::decay_t<decltype(arr)>;
+            static_assert(std::is_same_v<arr_type, sparrow::sparse_union_array>);
             sanity_check(arr);
 
             REQUIRE_EQ(arr.size(), 3);