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Fr4nz D13trich 2025-11-22 13:58:55 +01:00
parent 4af19165ec
commit 68073add76
12458 changed files with 12350765 additions and 2 deletions
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48
libs/geometry/geometry_tests/line2d_tests.cpp Normal file
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#include "testing/testing.hpp"
#include "geometry/line2d.hpp"
#include "geometry/point2d.hpp"
#include "geometry/segment2d.hpp"
namespace line2d_tests
{
using namespace m2;
double const kEps = 1e-12;
using Result = IntersectionResult;
using Type = Result::Type;
Result Intersect(Line2D const & lhs, Line2D const & rhs)
{
return Intersect(lhs, rhs, kEps);
}
UNIT_TEST(LineIntersection_Smoke)
{
{
Line2D const line(Segment2D(PointD(0, 0), PointD(1, 0)));
TEST_EQUAL(Intersect(line, line).m_type, Type::Infinity, ());
}
{
Line2D const lhs(Segment2D(PointD(0, 0), PointD(1, 1)));
Line2D const rhs(Segment2D(PointD(-10, -10), PointD(-100, -100)));
TEST_EQUAL(Intersect(lhs, rhs).m_type, Type::Infinity, ());
}
{
Line2D const lhs(Segment2D(PointD(0, 0), PointD(10, 10)));
Line2D const rhs(Segment2D(PointD(10, 11), PointD(0, 1)));
TEST_EQUAL(Intersect(lhs, rhs).m_type, Type::Zero, ());
}
{
Line2D const lhs(Segment2D(PointD(10, 0), PointD(9, 10)));
Line2D const rhs(Segment2D(PointD(-10, 0), PointD(-9, 10)));
auto const result = Intersect(lhs, rhs);
TEST_EQUAL(result.m_type, Type::One, ());
TEST(AlmostEqualAbs(result.m_point, PointD(0, 100), kEps), (result.m_point));
}
}
} // namespace line2d_tests