package discrete_test

import (
	"github.com/gonum/discrete"
	"testing"
)

func TestTileGraph_carving(t *testing.T) {
	tg := discrete.NewTileGraph(4, 4, false)
	if tg == nil || tg.String() != "▀▀▀▀\n▀▀▀▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Tile graph not generated correctly")
	}

	tg.SetPassability(0, 1, true)
	if tg == nil || tg.String() != "▀ ▀▀\n▀▀▀▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(0, 1, false)
	if tg == nil || tg.String() != "▀▀▀▀\n▀▀▀▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(0, 1, true)
	if tg == nil || tg.String() != "▀ ▀▀\n▀▀▀▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(0, 2, true)
	if tg == nil || tg.String() != "▀  ▀\n▀▀▀▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(1, 2, true)
	if tg == nil || tg.String() != "▀  ▀\n▀▀ ▀\n▀▀▀▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(2, 2, true)
	if tg == nil || tg.String() != "▀  ▀\n▀▀ ▀\n▀▀ ▀\n▀▀▀▀" {
		t.Fatal("Passability set incorrectly")
	}

	tg.SetPassability(3, 2, true)
	if tg == nil || tg.String() != "▀  ▀\n▀▀ ▀\n▀▀ ▀\n▀▀ ▀" {
		t.Fatal("Passability set incorrectly")
	}
}