assimp/test/unit/utGenBoundingBoxesProcess.cpp

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#include "UnitTestPCH.h"

#include "PostProcessing/GenBoundingBoxesProcess.h"
#include <assimp/mesh.h>
#include <assimp/scene.h>

using namespace Assimp;

class utGenBoundingBoxesProcess : public ::testing::Test {
public:
    utGenBoundingBoxesProcess() :
            Test(), mProcess(nullptr), mMesh(nullptr), mScene(nullptr) {
        // empty
    }

    void SetUp() override {
        mProcess = new GenBoundingBoxesProcess;
        mMesh = new aiMesh();
        mMesh->mNumVertices = 100;
        mMesh->mVertices = new aiVector3D[100];
        for (unsigned int i = 0; i < 100; ++i) {
            mMesh->mVertices[i] = aiVector3D((ai_real)i, (ai_real)i, (ai_real)i);
        }
        mScene = new aiScene();
        mScene->mNumMeshes = 1;
        mScene->mMeshes = new aiMesh *[1];
        mScene->mMeshes[0] = mMesh;
    }

    void TearDown() override {
        delete mProcess;
        delete mScene;
    }

protected:
    GenBoundingBoxesProcess *mProcess;
    aiMesh *mMesh;
    aiScene *mScene;
};

TEST_F(utGenBoundingBoxesProcess, executeTest) {
    mProcess->Execute(mScene);

    aiMesh *mesh = mScene->mMeshes[0];
    EXPECT_NE(nullptr, mesh);
    EXPECT_EQ(0, mesh->mAABB.mMin.x);
    EXPECT_EQ(0, mesh->mAABB.mMin.y);
    EXPECT_EQ(0, mesh->mAABB.mMin.z);

    EXPECT_EQ(99, mesh->mAABB.mMax.x);
    EXPECT_EQ(99, mesh->mAABB.mMax.y);
    EXPECT_EQ(99, mesh->mAABB.mMax.z);
}