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// -                        Open3D: www.open3d.org                            -
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// The MIT License (MIT)
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// Copyright (c) 2019 www.open3d.org
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#include "Open3D/Geometry/TriangleMesh.h"
#include "Open3D/IO/ClassIO/TriangleMeshIO.h"
#include "TestUtility/UnitTest.h"

using namespace open3d;
using namespace unit_test;

TEST(FileGLTF, WriteReadTriangleMeshFromGLTF) {
    geometry::TriangleMesh tm_gt;
    tm_gt.vertices_ = {{0, 0, 0}, {0, 1, 0}, {0, 0, 1}};
    tm_gt.triangles_ = {{0, 1, 2}};
    tm_gt.ComputeVertexNormals();

    io::WriteTriangleMesh("tmp.gltf", tm_gt);

    geometry::TriangleMesh tm_test;
    io::ReadTriangleMesh("tmp.gltf", tm_test, false);

    ExpectEQ(tm_gt.vertices_, tm_test.vertices_);
    ExpectEQ(tm_gt.triangles_, tm_test.triangles_);
    ExpectEQ(tm_gt.vertex_normals_, tm_test.vertex_normals_);
}

TEST(FileGLTF, WriteReadTriangleMeshFromGLB) {
    geometry::TriangleMesh tm_gt;
    tm_gt.vertices_ = {{0, 0, 0}, {0, 1, 0}, {0, 0, 1}};
    tm_gt.triangles_ = {{0, 1, 2}};
    tm_gt.ComputeVertexNormals();

    io::WriteTriangleMesh("tmp.glb", tm_gt);

    geometry::TriangleMesh tm_test;
    io::ReadTriangleMesh("tmp.glb", tm_test, false);

    ExpectEQ(tm_gt.vertices_, tm_test.vertices_);
    ExpectEQ(tm_gt.triangles_, tm_test.triangles_);
    ExpectEQ(tm_gt.vertex_normals_, tm_test.vertex_normals_);
}
