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#include "catch/catch.hpp"
#include <sstream>
#include <iostream>
#include <string>
#include "common_util.h"
#include "simplex.h"
#include "matching_distance.h"
//using namespace md;
using Real = double;
using Point = md::Point<Real>;
using Bifiltration = md::Bifiltration<Real>;
using BifiltrationProxy = md::BifiltrationProxy<Real>;
using CalculationParams = md::CalculationParams<Real>;
using CellWithValue = md::CellWithValue<Real>;
using DualPoint = md::DualPoint<Real>;
using DualBox = md::DualBox<Real>;
using Simplex = md::Simplex<Real>;
using AbstractSimplex = md::AbstractSimplex;
using BoundStrategy = md::BoundStrategy;
using TraverseStrategy = md::TraverseStrategy;
using AxisType = md::AxisType;
using AngleType = md::AngleType;
using ValuePoint = md::ValuePoint;
using Column = md::Column;
TEST_CASE("AbstractSimplex", "[abstract_simplex]")
{
AbstractSimplex as;
REQUIRE(as.dim() == -1);
as.push_back(1);
REQUIRE(as.dim() == 0);
REQUIRE(as.facets().size() == 0);
as.push_back(0);
REQUIRE(as.dim() == 1);
REQUIRE(as.facets().size() == 2);
REQUIRE(as.facets()[0].dim() == 0);
REQUIRE(as.facets()[1].dim() == 0);
}
TEST_CASE("Vertical line", "[vertical_line]")
{
// line x = 1
DualPoint l_vertical(AxisType::x_type, AngleType::steep, 0, 1);
REQUIRE(l_vertical.is_vertical());
REQUIRE(l_vertical.is_steep());
Point p_1(0.5, 0.5);
Point p_2(1.5, 0.5);
Point p_3(1.5, 1.5);
Point p_4(0.5, 1.5);
Point p_5(1, 10);
REQUIRE(l_vertical.x_from_y(10) == 1);
REQUIRE(l_vertical.x_from_y(-10) == 1);
REQUIRE(l_vertical.x_from_y(0) == 1);
REQUIRE(not l_vertical.contains(p_1));
REQUIRE(not l_vertical.contains(p_2));
REQUIRE(not l_vertical.contains(p_3));
REQUIRE(not l_vertical.contains(p_4));
REQUIRE(l_vertical.contains(p_5));
REQUIRE(l_vertical.goes_below(p_1));
REQUIRE(not l_vertical.goes_below(p_2));
REQUIRE(not l_vertical.goes_below(p_3));
REQUIRE(l_vertical.goes_below(p_4));
REQUIRE(not l_vertical.goes_above(p_1));
REQUIRE(l_vertical.goes_above(p_2));
REQUIRE(l_vertical.goes_above(p_3));
REQUIRE(not l_vertical.goes_above(p_4));
}
TEST_CASE("Horizontal line", "[horizontal_line]")
{
// line y = 1
DualPoint l_horizontal(AxisType::y_type, AngleType::flat, 0, 1);
REQUIRE(l_horizontal.is_horizontal());
REQUIRE(l_horizontal.is_flat());
REQUIRE(l_horizontal.y_slope() == 0);
REQUIRE(l_horizontal.y_intercept() == 1);
Point p_1(0.5, 0.5);
Point p_2(1.5, 0.5);
Point p_3(1.5, 1.5);
Point p_4(0.5, 1.5);
Point p_5(2, 1);
REQUIRE((not l_horizontal.contains(p_1) and
not l_horizontal.contains(p_2) and
not l_horizontal.contains(p_3) and
not l_horizontal.contains(p_4) and
l_horizontal.contains(p_5)));
REQUIRE(not l_horizontal.goes_below(p_1));
REQUIRE(not l_horizontal.goes_below(p_2));
REQUIRE(l_horizontal.goes_below(p_3));
REQUIRE(l_horizontal.goes_below(p_4));
REQUIRE(l_horizontal.goes_below(p_5));
REQUIRE(l_horizontal.goes_above(p_1));
REQUIRE(l_horizontal.goes_above(p_2));
REQUIRE(not l_horizontal.goes_above(p_3));
REQUIRE(not l_horizontal.goes_above(p_4));
REQUIRE(l_horizontal.goes_above(p_5));
}
TEST_CASE("Flat Line with positive slope", "[flat_line]")
{
// line y = x / 2 + 1
DualPoint l_flat(AxisType::y_type, AngleType::flat, 0.5, 1);
REQUIRE(not l_flat.is_horizontal());
REQUIRE(l_flat.is_flat());
REQUIRE(l_flat.y_slope() == 0.5);
REQUIRE(l_flat.y_intercept() == 1);
REQUIRE(l_flat.y_from_x(0) == 1);
REQUIRE(l_flat.y_from_x(1) == 1.5);
REQUIRE(l_flat.y_from_x(2) == 2);
Point p_1(3, 2);
Point p_2(-2, 0.01);
Point p_3(0, 1.25);
Point p_4(6, 4.5);
Point p_5(2, 2);
REQUIRE((not l_flat.contains(p_1) and
not l_flat.contains(p_2) and
not l_flat.contains(p_3) and
not l_flat.contains(p_4) and
l_flat.contains(p_5)));
REQUIRE(not l_flat.goes_below(p_1));
REQUIRE(l_flat.goes_below(p_2));
REQUIRE(l_flat.goes_below(p_3));
REQUIRE(l_flat.goes_below(p_4));
REQUIRE(l_flat.goes_below(p_5));
REQUIRE(l_flat.goes_above(p_1));
REQUIRE(not l_flat.goes_above(p_2));
REQUIRE(not l_flat.goes_above(p_3));
REQUIRE(not l_flat.goes_above(p_4));
REQUIRE(l_flat.goes_above(p_5));
}
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