package main

import "testing"

func TestGetPositiveNumber1(t *testing.T) {
	num := GetPositiveNumber(4)
	if num != 4 {
		t.Errorf("Number was incorrect, got: {%d}, want: {%d}.", num, 4)
	}
}

func TestGetPositiveNumber2(t *testing.T) {
	num := GetPositiveNumber(-4)
	if num != 4 {
		t.Errorf("Number was incorrect, got: {%d}, want: {%d}.", num, 4)
	}
}

func TestGetPositiveNumber3(t *testing.T) {
	num := GetPositiveNumber(0)
	if num != 0 {
		t.Errorf("Number was incorrect, got: {%d}, want: {%d}.", num, 0)
	}
}

func TestGetDistanceFromPoint1(t *testing.T) {
	distance := GetDistanceFromPoint(Point{3, 3})
	if distance != 6 {
		t.Errorf("Error was incorrect, got: {%d}, want: {%d}.", distance, 6)

	}
}

func TestGetDistanceFromPoint2(t *testing.T) {
	distance := GetDistanceFromPoint(Point{3, -3})
	if distance != 6 {
		t.Errorf("Distance was incorrect, got: {%d}, want: {%d}.", distance, 6)
	}
}

func TestExample1(t *testing.T) {
	route1 := "R75,D30,R83,U83,L12,D49,R71,U7,L72"
	route2 := "U62,R66,U55,R34,D71,R55,D58,R83"
	points1 := GetAllPointsFromRoute(ParseRoute(route1))
	points2 := GetAllPointsFromRoute(ParseRoute(route2))
	crossed := FindAllCrossedPoints(points1, points2)
	distance := GetShortestDistanceFromPoints(crossed)
	if distance != 159 {
		t.Errorf("Route Distance was incorrect, got: {%d}, want: {%d}.", distance, 159)
	}
}

func TestExample2(t *testing.T) {
	route1 := "R98,U47,R26,D63,R33,U87,L62,D20,R33,U53,R51"
	route2 := "U98,R91,D20,R16,D67,R40,U7,R15,U6,R7"
	points1 := GetAllPointsFromRoute(ParseRoute(route1))
	points2 := GetAllPointsFromRoute(ParseRoute(route2))
	crossed := FindAllCrossedPoints(points1, points2)
	distance := GetShortestDistanceFromPoints(crossed)
	if distance != 135 {
		t.Errorf("Route Distance was incorrect, got: {%d}, want: {%d}.", distance, 135)
	}
}

func TestShortesRoute1(t *testing.T) {
	route1 := "R75,D30,R83,U83,L12,D49,R71,U7,L72"
	route2 := "U62,R66,U55,R34,D71,R55,D58,R83"
	distance := GetShortestRoute(route1, route2)
	if distance != 610 {
		t.Errorf("Route Distance was incorrect, got: {%d}, want: {%d}.", distance, 610)
	}
}

func TestShortesRoute2(t *testing.T) {
	route1 := "R98,U47,R26,D63,R33,U87,L62,D20,R33,U53,R51"
	route2 := "U98,R91,D20,R16,D67,R40,U7,R15,U6,R7"
	distance := GetShortestRoute(route1, route2)
	if distance != 410 {
		t.Errorf("Route Distance was incorrect, got: {%d}, want: {%d}.", distance, 410)
	}
}