feat(cpp-object-oriented-modular-refactoring): step 10 - dense-blas-adapter

tests/CMakeLists.txt

@@ -15,6 +15,7 @@ add_executable(
     unit/elements/euler_beam_3d_test.cpp
     unit/elements/mitc4_shell_test.cpp
     unit/fem/dof_manager_test.cpp
+    unit/math/dense_blas_internal_test.cpp
     unit/math/matrix_test.cpp
     unit/math/sparse_matrix_test.cpp
     unit/math/vector3_test.cpp
@@ -33,11 +34,18 @@ add_executable(
     unit/solvers/linear/mkl_pardiso_solver_test.cpp
 )
 
+target_include_directories(
+    fesa_unit_tests
+    PRIVATE
+        "${PROJECT_SOURCE_DIR}/src/fesa"
+)
+
 target_link_libraries(
     fesa_unit_tests
     PRIVATE
         fesa_solver
         Fesa::HDF5
+        Fesa::MKL
         GTest::gtest_main
 )
 

tests/unit/math/dense_blas_internal_test.cpp

@@ -0,0 +1,39 @@
+#include "math/dense_blas_internal.h"
+
+#include <gtest/gtest.h>
+
+#include <array>
+#include <cstddef>
+#include <limits>
+
+namespace fesa::dense_blas_internal {
+namespace {
+
+TEST(DenseBlasInternal, CDup003ConvertsZeroNormalAndOverflowLengths) {
+  const auto zero = ToMklSize(0U);
+  ASSERT_TRUE(zero.HasValue());
+  EXPECT_EQ(zero.Value(), 0);
+
+  const auto normal = ToMklSize(3U);
+  ASSERT_TRUE(normal.HasValue());
+  EXPECT_EQ(normal.Value(), 3);
+
+  const std::size_t overflow =
+      static_cast<std::size_t>((std::numeric_limits<MKL_INT>::max)()) + 1U;
+  const auto rejected = ToMklSize(overflow);
+  EXPECT_FALSE(rejected.HasValue());
+  EXPECT_FALSE(rejected.GetStatus().IsOk());
+}
+
+TEST(DenseBlasInternal, CDup003CopiesZeroAndNonzeroContiguousValues) {
+  EXPECT_NO_THROW(CopyValues(nullptr, 0U, nullptr));
+
+  const std::array<double, 3U> source{1.25, -2.5, 4.0};
+  std::array<double, 3U> destination{};
+  CopyValues(source.data(), source.size(), destination.data());
+
+  EXPECT_EQ(destination, source);
+}
+
+}  // namespace
+}  // namespace fesa::dense_blas_internal