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diff --git a/libs/assimp/test/unit/utColladaExport.cpp b/libs/assimp/test/unit/utColladaExport.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 <assimp/cexport.h>
+#include <assimp/commonMetaData.h>
+#include <assimp/postprocess.h>
+#include <assimp/scene.h>
+#include <assimp/Exporter.hpp>
+#include <assimp/Importer.hpp>
+
+#include <array>
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+
+class utColladaExport : public ::testing::Test {
+public:
+    void SetUp() override {
+        ex = new Assimp::Exporter();
+        im = new Assimp::Importer();
+    }
+
+    void TearDown() override {
+        delete ex;
+        ex = nullptr;
+        delete im;
+        im = nullptr;
+    }
+
+protected:
+    Assimp::Exporter *ex;
+    Assimp::Importer *im;
+};
+
+TEST_F(utColladaExport, testExportCamera) {
+    const char *file = "cameraExp.dae";
+
+    const aiScene *pTest = im->ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/cameras.dae", aiProcess_ValidateDataStructure);
+    ASSERT_NE(nullptr, pTest);
+    ASSERT_TRUE(pTest->HasCameras());
+
+    EXPECT_EQ(AI_SUCCESS, ex->Export(pTest, "collada", file));
+    const unsigned int origNumCams(pTest->mNumCameras);
+    //std::vector<float> origFOV;
+    std::unique_ptr<float[]> origFOV(new float[origNumCams]);
+    std::unique_ptr<float[]> orifClipPlaneNear(new float[origNumCams]);
+    std::unique_ptr<float[]> orifClipPlaneFar(new float[origNumCams]);
+    std::unique_ptr<aiString[]> names(new aiString[origNumCams]);
+    std::unique_ptr<aiVector3D[]> pos(new aiVector3D[origNumCams]);
+    for (size_t i = 0; i < origNumCams; i++) {
+        const aiCamera *orig = pTest->mCameras[i];
+        ASSERT_NE(nullptr, orig);
+
+        origFOV[i] = orig->mHorizontalFOV;
+        orifClipPlaneNear[i] = orig->mClipPlaneNear;
+        orifClipPlaneFar[i] = orig->mClipPlaneFar;
+        names[i] = orig->mName;
+        pos[i] = orig->mPosition;
+    }
+    const aiScene *imported = im->ReadFile(file, aiProcess_ValidateDataStructure);
+
+    ASSERT_NE(nullptr, imported);
+
+    EXPECT_TRUE(imported->HasCameras());
+    EXPECT_EQ(origNumCams, imported->mNumCameras);
+
+    for (size_t i = 0; i < imported->mNumCameras; i++) {
+        const aiCamera *read = imported->mCameras[i];
+
+        EXPECT_TRUE(names[i] == read->mName);
+        EXPECT_NEAR(origFOV[i], read->mHorizontalFOV, 0.0001f);
+        EXPECT_FLOAT_EQ(orifClipPlaneNear[i], read->mClipPlaneNear);
+        EXPECT_FLOAT_EQ(orifClipPlaneFar[i], read->mClipPlaneFar);
+
+        EXPECT_FLOAT_EQ(pos[i].x, read->mPosition.x);
+        EXPECT_FLOAT_EQ(pos[i].y, read->mPosition.y);
+        EXPECT_FLOAT_EQ(pos[i].z, read->mPosition.z);
+    }
+}
+
+// ------------------------------------------------------------------------------------------------
+TEST_F(utColladaExport, testExportLight) {
+    const char *file = "lightsExp.dae";
+
+    const aiScene *pTest = im->ReadFile(ASSIMP_TEST_MODELS_DIR "/Collada/lights.dae", aiProcess_ValidateDataStructure);
+    ASSERT_NE(pTest, nullptr);
+    ASSERT_TRUE(pTest->HasLights());
+
+    const unsigned int origNumLights = pTest->mNumLights;
+    // There are FIVE!!! LIGHTS!!!
+    EXPECT_EQ(5u, origNumLights) << "lights.dae should contain five lights";
+
+    std::vector<aiLight> origLights(5);
+    for (size_t i = 0; i < origNumLights; i++) {
+        origLights[i] = *(pTest->mLights[i]);
+    }
+
+    // Check loaded first light properly
+    EXPECT_STREQ("Lamp", origLights[0].mName.C_Str());
+    EXPECT_EQ(aiLightSource_POINT, origLights[0].mType);
+    EXPECT_FLOAT_EQ(1.0f, origLights[0].mAttenuationConstant);
+    EXPECT_FLOAT_EQ(0.0f, origLights[0].mAttenuationLinear);
+    EXPECT_FLOAT_EQ(0.00111109f, origLights[0].mAttenuationQuadratic);
+
+    // Common metadata
+    // Confirm was loaded by the Collada importer
+    aiString origImporter;
+    EXPECT_TRUE(pTest->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, origImporter)) << "No importer format metadata";
+    EXPECT_STREQ("Collada Importer", origImporter.C_Str());
+
+    aiString origGenerator;
+    EXPECT_TRUE(pTest->mMetaData->Get(AI_METADATA_SOURCE_GENERATOR, origGenerator)) << "No generator metadata";
+    EXPECT_EQ(strncmp(origGenerator.C_Str(), "Blender", 7), 0) << "AI_METADATA_SOURCE_GENERATOR was: " << origGenerator.C_Str();
+
+    aiString origCopyright;
+    EXPECT_TRUE(pTest->mMetaData->Get(AI_METADATA_SOURCE_COPYRIGHT, origCopyright)) << "No copyright metadata";
+    EXPECT_STREQ("BSD", origCopyright.C_Str());
+
+    aiString origCreated;
+    EXPECT_TRUE(pTest->mMetaData->Get("Created", origCreated)) << "No created metadata";
+    EXPECT_STREQ("2015-05-17T21:55:44", origCreated.C_Str());
+
+    aiString origModified;
+    EXPECT_TRUE(pTest->mMetaData->Get("Modified", origModified)) << "No modified metadata";
+    EXPECT_STREQ("2015-05-17T21:55:44", origModified.C_Str());
+
+    EXPECT_EQ(AI_SUCCESS, ex->Export(pTest, "collada", file));
+
+    // Drop the pointer as about to become invalid
+    pTest = nullptr;
+
+    const aiScene *imported = im->ReadFile(file, aiProcess_ValidateDataStructure);
+
+    ASSERT_TRUE(imported != NULL);
+
+    // Check common metadata survived roundtrip
+    aiString readImporter;
+    EXPECT_TRUE(imported->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, readImporter)) << "No importer format metadata after export";
+    EXPECT_STREQ(origImporter.C_Str(), readImporter.C_Str()) << "Assimp Importer Format changed";
+
+    aiString readGenerator;
+    EXPECT_TRUE(imported->mMetaData->Get(AI_METADATA_SOURCE_GENERATOR, readGenerator)) << "No generator metadata";
+    EXPECT_STREQ(origGenerator.C_Str(), readGenerator.C_Str()) << "Generator changed";
+
+    aiString readCopyright;
+    EXPECT_TRUE(imported->mMetaData->Get(AI_METADATA_SOURCE_COPYRIGHT, readCopyright)) << "No copyright metadata";
+    EXPECT_STREQ(origCopyright.C_Str(), readCopyright.C_Str()) << "Copyright changed";
+
+    aiString readCreated;
+    EXPECT_TRUE(imported->mMetaData->Get("Created", readCreated)) << "No created metadata";
+    EXPECT_STREQ(origCreated.C_Str(), readCreated.C_Str()) << "Created date changed";
+
+    aiString readModified;
+    EXPECT_TRUE(imported->mMetaData->Get("Modified", readModified)) << "No modified metadata";
+    EXPECT_STRNE(origModified.C_Str(), readModified.C_Str()) << "Modified date did not change";
+    EXPECT_GT(readModified.length, ai_uint32(18)) << "Modified date too short";
+
+    // Lights
+    EXPECT_TRUE(imported->HasLights());
+    EXPECT_EQ(origNumLights, imported->mNumLights);
+    for (size_t i = 0; i < origNumLights; i++) {
+        const aiLight *orig = &origLights[i];
+        const aiLight *read = imported->mLights[i];
+        EXPECT_EQ(0, strcmp(orig->mName.C_Str(), read->mName.C_Str()));
+        EXPECT_EQ(orig->mType, read->mType);
+        EXPECT_FLOAT_EQ(orig->mAttenuationConstant, read->mAttenuationConstant);
+        EXPECT_FLOAT_EQ(orig->mAttenuationLinear, read->mAttenuationLinear);
+        EXPECT_NEAR(orig->mAttenuationQuadratic, read->mAttenuationQuadratic, 0.001f);
+
+        EXPECT_FLOAT_EQ(orig->mColorAmbient.r, read->mColorAmbient.r);
+        EXPECT_FLOAT_EQ(orig->mColorAmbient.g, read->mColorAmbient.g);
+        EXPECT_FLOAT_EQ(orig->mColorAmbient.b, read->mColorAmbient.b);
+
+        EXPECT_FLOAT_EQ(orig->mColorDiffuse.r, read->mColorDiffuse.r);
+        EXPECT_FLOAT_EQ(orig->mColorDiffuse.g, read->mColorDiffuse.g);
+        EXPECT_FLOAT_EQ(orig->mColorDiffuse.b, read->mColorDiffuse.b);
+
+        EXPECT_FLOAT_EQ(orig->mColorSpecular.r, read->mColorSpecular.r);
+        EXPECT_FLOAT_EQ(orig->mColorSpecular.g, read->mColorSpecular.g);
+        EXPECT_FLOAT_EQ(orig->mColorSpecular.b, read->mColorSpecular.b);
+
+        EXPECT_NEAR(orig->mAngleInnerCone, read->mAngleInnerCone, 0.001);
+        EXPECT_NEAR(orig->mAngleOuterCone, read->mAngleOuterCone, 0.001);
+    }
+}
+
+#endif // ASSIMP_BUILD_NO_EXPORT