/*
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Open Asset Import Library (assimp)
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Copyright (c) 2006-2019, assimp team



All rights reserved.

Redistribution and use of this software in source and binary forms,
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following disclaimer.

* Redistributions in binary form must reproduce the above
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* Neither the name of the assimp team, nor the names of its
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derived from this software without specific prior
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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
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*/
#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);
}
