diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index 8f9b950..4570922 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -7,6 +7,7 @@ set(UTEST_SRCS
     Collector.test.cpp
     X1Collector.test.cpp
     DX1CollectorIterator.test.cpp
+    MutationLogStore.test.cpp
     GCObjectStore.test.cpp
     Object2.test.cpp
 
diff --git a/utest/MutationLogStore.test.cpp b/utest/MutationLogStore.test.cpp
new file mode 100644
index 0000000..fda7eb0
--- /dev/null
+++ b/utest/MutationLogStore.test.cpp
@@ -0,0 +1,53 @@
+/** @file MutationLogStore.test.cpp
+ *
+ *  @author Roland Conybeare, Apr 2026
+ **/
+
+#include <xo/gc/MutationLogStore.hpp>
+#include <xo/indentlog/scope.hpp>
+#include <xo/randomgen/random_seed.hpp>
+#include <catch2/catch.hpp>
+
+namespace ut {
+    using xo::rng::random_seed;
+    using xo::xtag;
+    using xo::scope;
+
+    namespace {
+
+        struct Testcase {
+        };
+
+        static std::vector<Testcase> s_testcase_v = {
+
+        };
+
+        class MlsFixture {
+        };
+    }
+
+    TEST_CASE("MutationLogStore-1", "[MutationLogStore]")
+    {
+        constexpr bool c_debug_flag = true;
+        scope log0(XO_DEBUG(c_debug_flag), "MutationLogStore test");
+
+        std::uint64_t seed = 7988747704879432247ul;
+        //random_seed(&seed);
+        log0 && log0(xtag("seed", seed));
+
+        for (size_t i_tc = 0, n_tc = s_testcase_v.size(); i_tc < n_tc; ++i_tc) {
+            auto rgen = xoshiro256ss(seed + i_tc);
+
+            const Testcase & tc = s_testcase_v[i_tc];
+
+            scope log1(XO_DEBUG(tc.debug_flag_), "testcase loop", xtag("i_tc", i_tc));
+
+            INFO(tostr(xtag("i_tc", i_tc), xtag("n_tc", n_tc)));
+
+            MlsFixture fixture(tc);
+        }
+
+    }
+} /*namespace ut*/
+
+/* end MutationLogStore.test.cpp */