feat(cpp-object-oriented-modular-refactoring): step 12 - material-property-hierarchy

2026-08-16 08:48:18 +09:00
parent ec9c3e250a
commit 64a7071986
14 changed files with 746 additions and 31 deletions
@@ -0,0 +1,63 @@
+#include <gtest/gtest.h>
+
+#include <limits>
+#include <memory>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+#include "fesa/materials/isotropic_linear_elastic_material.h"
+
+namespace {
+
+fesa::SourceEntityId MaterialSourceId() { return {"", 7, "Steel"}; }
+
+fesa::SourceLocation MaterialLocation() { return {"models/material.inp", 30U}; }
+
+}  // namespace
+
+TEST(Material, OwnsIsotropicElasticityThroughVirtualBase) {
+  static_assert(std::has_virtual_destructor_v<fesa::Material>);
+
+  auto candidate = fesa::IsotropicLinearElasticMaterial::Create(
+      MaterialSourceId(), "Steel", 210.0e9, 0.3, MaterialLocation());
+  ASSERT_TRUE(candidate.HasValue());
+
+  std::unique_ptr<fesa::Material> material =
+      std::make_unique<fesa::IsotropicLinearElasticMaterial>(
+          std::move(candidate.Value()));
+  EXPECT_EQ(material->Kind(), fesa::MaterialKind::kIsotropicLinearElastic);
+  EXPECT_EQ(material->SourceId().source_label, 7);
+  EXPECT_EQ(material->SourceId().source_label_text, "Steel");
+
+  const auto& isotropic =
+      static_cast<const fesa::IsotropicLinearElasticMaterial&>(*material);
+  EXPECT_EQ(isotropic.Name(), "Steel");
+  EXPECT_DOUBLE_EQ(isotropic.YoungsModulus(), 210.0e9);
+  EXPECT_DOUBLE_EQ(isotropic.PoissonsRatio(), 0.3);
+  EXPECT_EQ(isotropic.Location().file, "models/material.inp");
+  EXPECT_EQ(isotropic.Location().line, 30U);
+}
+
+TEST(Material, RejectsInvalidCurrentElasticFields) {
+  const auto expect_rejected = [](double youngs_modulus,
+                                  double poissons_ratio) {
+    const auto result = fesa::IsotropicLinearElasticMaterial::Create(
+        MaterialSourceId(), "Steel", youngs_modulus, poissons_ratio,
+        MaterialLocation());
+    ASSERT_FALSE(result.HasValue());
+    EXPECT_EQ(result.GetStatus().Category(), fesa::FailureCategory::kModel);
+    ASSERT_EQ(result.GetStatus().Diagnostics().size(), 1U);
+    EXPECT_EQ(result.GetStatus().Diagnostics()[0].severity,
+              fesa::Severity::kError);
+  };
+
+  expect_rejected(0.0, 0.3);
+  expect_rejected(std::numeric_limits<double>::infinity(), 0.3);
+  expect_rejected(210.0e9, -1.0);
+  expect_rejected(210.0e9, std::numeric_limits<double>::quiet_NaN());
+
+  const auto beam_compatible = fesa::IsotropicLinearElasticMaterial::Create(
+      MaterialSourceId(), "Steel", 210.0e9, 0.75, MaterialLocation());
+  EXPECT_TRUE(beam_compatible.HasValue());
+}