45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#include <gtest/gtest.h>
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#include "meshIO.h"
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#include <iostream>
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#include <string>
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#include "mfem.hpp"
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std::string EXAMPLE_FILENAME = std::string(getenv("MESON_SOURCE_ROOT")) + "/src/resources/mesh/sphere.msh";
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double ComputeMeshVolume(mfem::Mesh &mesh)
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{
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double totalVolume = 0.0;
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for (int i = 0; i < mesh.GetNE(); i++) // Loop over all elements
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{
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totalVolume += mesh.GetElementVolume(i);
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}
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return totalVolume;
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}
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class meshIOTest : public ::testing::Test {};
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TEST_F(meshIOTest, DefaultConstructor) {
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EXPECT_NO_THROW(MeshIO meshIO(EXAMPLE_FILENAME));
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}
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TEST_F(meshIOTest, IsLoaded) {
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MeshIO meshIO(EXAMPLE_FILENAME);
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EXPECT_EQ(meshIO.IsLoaded(), true);
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}
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TEST_F(meshIOTest, GetMesh) {
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MeshIO meshIO(EXAMPLE_FILENAME);
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mfem::Mesh& mesh = meshIO.GetMesh();
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EXPECT_EQ(mesh.GetNE(), 18351);
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EXPECT_EQ(mesh.GetNV(), 3768);
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double volume = ComputeMeshVolume(mesh);
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EXPECT_DOUBLE_EQ(volume, 4.160516453529322);
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}
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TEST_F(meshIOTest, LinearRescale) {
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MeshIO meshIO(EXAMPLE_FILENAME, 5);
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mfem::Mesh& mesh = meshIO.GetMesh();
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double volume = ComputeMeshVolume(mesh);
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EXPECT_DOUBLE_EQ(volume, 520.06455669116463);
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} |