From 4158c893d49ea6c64938403ddccfb39f9e8aff91 Mon Sep 17 00:00:00 2001
From: Emily Boudreaux <emily@boudreauxmail.com>
Date: Sun, 16 Feb 2025 15:20:24 -0500
Subject: [PATCH] docs(tests/meshIO): added comments to meshIO tests

---
 tests/meshIO/meshIOTest.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/meshIO/meshIOTest.cpp b/tests/meshIO/meshIOTest.cpp
index 1ed55d1..07eec4f 100644
--- a/tests/meshIO/meshIOTest.cpp
+++ b/tests/meshIO/meshIOTest.cpp
@@ -6,6 +6,16 @@
 
 std::string EXAMPLE_FILENAME = std::string(getenv("MESON_SOURCE_ROOT")) + "/src/resources/mesh/sphere.msh";
 
+double ComputeMeshVolume(mfem::Mesh &mesh)
+{
+    double totalVolume = 0.0;
+    for (int i = 0; i < mesh.GetNE(); i++) // Loop over all elements
+    {
+        totalVolume += mesh.GetElementVolume(i);
+    }
+    return totalVolume;
+}
+
 
 class meshIOTest : public ::testing::Test {};
 
@@ -23,4 +33,6 @@ TEST_F(meshIOTest, GetMesh) {
     mfem::Mesh& mesh = meshIO.GetMesh();
     EXPECT_EQ(mesh.GetNE(), 670);
     EXPECT_EQ(mesh.GetNV(), 201);
+    double volume = ComputeMeshVolume(mesh);
+    EXPECT_DOUBLE_EQ(volume, 3.9357596288315868);
 }
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