Add few missing tests for ReproducibleSumManager

src/utils/ReproducibleSumMPI.hpp

@@ -7,6 +7,9 @@
 
 #ifdef PUGS_HAS_MPI
 
+// LCOV_EXCL_START
+// This piece of code is not catchable by coverage...
+
 template <typename RSumType>
 struct ReproducibleMPIReducer
 {
@@ -22,6 +25,8 @@ struct ReproducibleMPIReducer
   }
 };
 
+// LCOV_EXCL_STOP
+
 template <typename ArrayT, typename BoolArrayT>
 auto
 allReduceReproducibleSum(const ReproducibleScalarSum<ArrayT, BoolArrayT>& s)

tests/CMakeLists.txt

@@ -130,6 +130,7 @@ add_executable (unit_tests
   test_QuadratureType.cpp
   test_RefId.cpp
   test_RefItemList.cpp
+  test_ReproducibleSumManager.cpp
   test_RevisionInfo.cpp
   test_SmallArray.cpp
   test_SmallMatrix.cpp

tests/test_ReproducibleSumManager.cpp

+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_all.hpp>
+
+#include <utils/ReproducibleSumManager.hpp>
+
+// clazy:excludeall=non-pod-global-static
+
+TEST_CASE("ReproducibleSumManager", "[utils]")
+{
+  SECTION("control settings")
+  {
+    const bool init_value = ReproducibleSumManager::reproducibleSums();
+
+    ReproducibleSumManager::setReproducibleSums(not init_value);
+
+    REQUIRE(init_value == not ReproducibleSumManager::reproducibleSums());
+
+    ReproducibleSumManager::setReproducibleSums(init_value);
+
+    REQUIRE(init_value == ReproducibleSumManager::reproducibleSums());
+  }
+}