assimp.assimp/test/unit/utX3DImportExport.cpp

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#include "AbstractImportExportBase.h"
#include "UnitTestPCH.h"

#include <assimp/postprocess.h>
#include <assimp/Importer.hpp>
#include <assimp/scene.h>

using namespace Assimp;

class utX3DImportExport : public AbstractImportExportBase {
public:
    bool importerTest() override {
        Assimp::Importer importer;
        const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/X3D/HelloX3dTrademark.x3d", aiProcess_ValidateDataStructure);
        return nullptr != scene;
    }
};

TEST_F(utX3DImportExport, importX3DFromFileTest) {
    EXPECT_TRUE(importerTest());
}

TEST_F(utX3DImportExport, importX3DIndexedLineSet) {
    Assimp::Importer importer;
    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/X3D/IndexedLineSet.x3d", aiProcess_ValidateDataStructure);
    ASSERT_NE(nullptr, scene);
    ASSERT_EQ(scene->mNumMeshes, 1u);
    ASSERT_EQ(scene->mMeshes[0]->mNumFaces, 4u);
    ASSERT_EQ(scene->mMeshes[0]->mPrimitiveTypes, aiPrimitiveType_LINE);
    ASSERT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
    for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; i++) {
        ASSERT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 2u);
    }
}

TEST_F(utX3DImportExport, importX3DComputerKeyboard) {
    Assimp::Importer importer;
    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/X3D/ComputerKeyboard.x3d", aiProcess_ValidateDataStructure);
    ASSERT_NE(nullptr, scene);
    // TODO: CHANGE INCORRECT VALUE WHEN IMPORTER FIXED
    //   As noted in assimp issue 4992, X3D importer was severely broken with 5 Oct 2020 commit 3b9d4cf.
    //   ComputerKeyboard.x3d should have 100 meshes but broken importer only has 4
    ASSERT_EQ(4u, scene->mNumMeshes);  // Incorrect value from currently broken importer
    ASSERT_NE(100u, scene->mNumMeshes); // Correct value, to be restored when importer fixed
}

TEST_F(utX3DImportExport, importX3DChevyTahoe) {
    Assimp::Importer importer;
    const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_NONBSD_DIR "/X3D/Chevy/ChevyTahoe.x3d", aiProcess_ValidateDataStructure);
    ASSERT_NE(nullptr, scene);
    // TODO: CHANGE INCORRECT VALUE WHEN IMPORTER FIXED
    //   As noted in assimp issue 4992, X3D importer was severely broken with 5 Oct 2020 commit 3b9d4cf.
    //   ChevyTahoe.x3d should have 20 meshes but broken importer only has 19
    ASSERT_EQ(19u, scene->mNumMeshes); // Incorrect value from currently broken importer
    ASSERT_NE(20u, scene->mNumMeshes); // Correct value, to be restored when importer fixed
}