#pragma region CPL License
/*
Nuclex Native Framework
Copyright (C) 2002-2015 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#pragma endregion // CPL License

// If the library is compiled as a DLL, this ensures symbols are exported
#define NUCLEX_GEOMETRY_SOURCE 1

#include "Nuclex/Geometry/Lines/Ray3.h"
#include <gtest/gtest.h>

namespace Nuclex { namespace Geometry { namespace Lines {

  // ------------------------------------------------------------------------------------------- //

  TEST(Ray3Test, ParameterConstructorAssignsValues) {
    Ray3<float> ray(Point3<float>(1.2f, 3.4f, 5.6f), Vector3<float>(1.0f, 2.0f, 3.0f));
    EXPECT_EQ(1.2f, ray.Origin.X);
    EXPECT_EQ(3.4f, ray.Origin.Y);
    EXPECT_EQ(5.6f, ray.Origin.Z);
    EXPECT_EQ(1.0f, ray.Direction.X);
    EXPECT_EQ(2.0f, ray.Direction.Y);
    EXPECT_EQ(3.0f, ray.Direction.Z);
  }

  // ------------------------------------------------------------------------------------------- //

  TEST(Ray3Test, RayCanBeShiftedByCoordinates) {
    Ray3<float> ray(Point3<float>(1.2f, 3.4f, 5.6f), Vector3<float>(2.0f, 1.0f, 0.5f));
    ray.ShiftBy(10.0f, 100.0f, 1000.0f);

    EXPECT_EQ(11.2f, ray.Origin.X);
    EXPECT_EQ(103.4f, ray.Origin.Y);
    EXPECT_EQ(1005.6f, ray.Origin.Z);
    EXPECT_EQ(2.0f, ray.Direction.X);
    EXPECT_EQ(1.0f, ray.Direction.Y);
    EXPECT_EQ(0.5f, ray.Direction.Z);
  }

  // ------------------------------------------------------------------------------------------- //

  TEST(Ray3Test, RayCanBeShiftedByVectors) {
    Ray3<float> ray(Point3<float>(1.2f, 3.4f, 5.6f), Vector3<float>(0.5f, 1.0f, 2.0f));
    ray.ShiftBy(Vector3<float>(1000.0f, 100.0f, 10.0f));

    EXPECT_EQ(1001.2f, ray.Origin.X);
    EXPECT_EQ(103.4f, ray.Origin.Y);
    EXPECT_EQ(15.6f, ray.Origin.Z);
    EXPECT_EQ(0.5f, ray.Direction.X);
    EXPECT_EQ(1.0f, ray.Direction.Y);
    EXPECT_EQ(2.0f, ray.Direction.Z);
  }

  // ------------------------------------------------------------------------------------------- //

}}} // namespace Nuclex::Geometry::Lines