#include <gtest/gtest.h>
#include "vde/mesh/halfedge_mesh.h"

using namespace vde::mesh;

TEST(HalfedgeTest, SingleTriangle) {
    HalfedgeMesh mesh;
    mesh.build_from_triangles(
        {Point3D(0,0,0), Point3D(1,0,0), Point3D(0,1,0)},
        {{0,1,2}}
    );
    EXPECT_EQ(mesh.num_vertices(), 3u);
    EXPECT_EQ(mesh.num_faces(), 1u);
}

TEST(HalfedgeTest, Bounds_ComputeCorrectly) {
    HalfedgeMesh mesh;
    mesh.build_from_triangles(
        {Point3D(0,0,0), Point3D(2,0,0), Point3D(1,3,0)},
        {{0,1,2}}
    );
    auto b = mesh.bounds();
    EXPECT_NEAR(b.extent().x(), 2.0, 1e-6);
    EXPECT_NEAR(b.extent().y(), 3.0, 1e-6);
}