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diff --git a/libs/assimp/test/unit/utGenNormals.cpp b/libs/assimp/test/unit/utGenNormals.cpp
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+++ b/libs/assimp/test/unit/utGenNormals.cpp
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+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the following
+conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+---------------------------------------------------------------------------
+*/
+#include "UnitTestPCH.h"
+
+#include "PostProcessing/GenVertexNormalsProcess.h"
+
+using namespace ::std;
+using namespace ::Assimp;
+
+class GenNormalsTest : public ::testing::Test {
+public:
+    virtual void SetUp();
+    virtual void TearDown();
+
+protected:
+    aiMesh *pcMesh;
+    GenVertexNormalsProcess *piProcess;
+};
+
+// ------------------------------------------------------------------------------------------------
+void GenNormalsTest::SetUp() {
+    piProcess = new GenVertexNormalsProcess();
+    pcMesh = new aiMesh();
+    pcMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
+    pcMesh->mNumFaces = 1;
+    pcMesh->mFaces = new aiFace[1];
+    pcMesh->mFaces[0].mIndices = new unsigned int[pcMesh->mFaces[0].mNumIndices = 3];
+    pcMesh->mFaces[0].mIndices[0] = 0;
+    pcMesh->mFaces[0].mIndices[1] = 1;
+    pcMesh->mFaces[0].mIndices[2] = 1;
+    pcMesh->mNumVertices = 3;
+    pcMesh->mVertices = new aiVector3D[3];
+    pcMesh->mVertices[0] = aiVector3D(0.0f, 1.0f, 6.0f);
+    pcMesh->mVertices[1] = aiVector3D(2.0f, 3.0f, 1.0f);
+    pcMesh->mVertices[2] = aiVector3D(3.0f, 2.0f, 4.0f);
+}
+
+// ------------------------------------------------------------------------------------------------
+void GenNormalsTest::TearDown() {
+    delete this->pcMesh;
+    delete this->piProcess;
+}
+
+// ------------------------------------------------------------------------------------------------
+TEST_F(GenNormalsTest, testSimpleTriangle) {
+    piProcess->GenMeshVertexNormals(pcMesh, 0);
+    EXPECT_TRUE(pcMesh->mNormals != NULL);
+}