feat: add analysis model objects

tests/boundary/boundary_base_test.cpp

@@ -0,0 +1,31 @@
+#include "fesa/boundary/BoundaryCondition.hpp"
+#include "fesa/boundary/SinglePointConstraint.hpp"
+
+#include <memory>
+
+namespace {
+
+int require(bool condition) {
+    return condition ? 0 : 1;
+}
+
+} // namespace
+
+int run_boundary_base_tests() {
+    std::unique_ptr<fesa::boundary::BoundaryCondition> owned =
+        std::make_unique<fesa::boundary::SinglePointConstraint>(1, fesa::core::Dof::UR3, 0.25);
+    const fesa::boundary::BoundaryCondition& boundary = *owned;
+    const auto& spc = static_cast<const fesa::boundary::SinglePointConstraint&>(boundary);
+
+    if (const int result = require(boundary.kind() == fesa::boundary::BoundaryConditionKind::SinglePointConstraint);
+        result != 0) {
+        return result;
+    }
+    if (const int result = require(spc.nodeId() == 1); result != 0) {
+        return result;
+    }
+    if (const int result = require(spc.dof() == fesa::core::Dof::UR3); result != 0) {
+        return result;
+    }
+    return require(spc.value() == 0.25);
+}