/*
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Open Asset Import Library (assimp)
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All rights reserved.

Redistribution and use of this software in source and binary forms,
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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
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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,
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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);
}
