From 7aef61e276300a5f3b881e90c9dde14940dbf4bc Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 10 Jan 2017 16:00:39 +0300
Subject: Add tests for MapLayer::drawFringe.

Some tests incomplete, and some failing.
---
 src/resources/map/maplayer_unittest.cc | 740 +++++++++++++++++++++++++++++++++
 1 file changed, 740 insertions(+)

(limited to 'src/resources')

diff --git a/src/resources/map/maplayer_unittest.cc b/src/resources/map/maplayer_unittest.cc
index 4ad264543..250f55426 100644
--- a/src/resources/map/maplayer_unittest.cc
+++ b/src/resources/map/maplayer_unittest.cc
@@ -19,15 +19,22 @@
  */
 
 #include "catch.hpp"
+#include "graphicsmanager.h"
 
 #include "enums/resources/map/blockmask.h"
+#include "enums/resources/map/mapitemtype.h"
 
 #include "render/mockgraphics.h"
 
+#include "resources/sdlimagehelper.h"
+
 #include "resources/image/image.h"
 
 #include "resources/map/map.h"
 #include "resources/map/maplayer.h"
+#include "resources/map/speciallayer.h"
+
+#include "resources/resourcemanager/resourcemanager.h"
 
 #include "debug.h"
 
@@ -1624,6 +1631,739 @@ TEST_CASE("MapLayer draw")
         REQUIRE(mock->mDraws[0].y == 32 * 10 - 20);
     }
 
+    delete map;
+    delete img1;
+    delete img2;
+    delete img3;
+    delete mock;
+}
+
+TEST_CASE("MapLayer drawFringe")
+{
+    ResourceManager::init();
+    resourceManager->addToSearchPath("data", Append_false);
+    resourceManager->addToSearchPath("../data", Append_false);
+
+    imageHelper = new SDLImageHelper;
+#ifdef USE_SDL2
+    SDLImageHelper::setRenderer(graphicsManager.createRenderer(
+        graphicsManager.createWindow(640, 480, 0,
+        SDL_WINDOW_SHOWN | SDL_SWSURFACE), SDL_RENDERER_SOFTWARE));
+#else  // USE_SDL2
+
+    graphicsManager.createWindow(640, 480, 0, SDL_ANYFORMAT | SDL_SWSURFACE);
+#endif  // USE_SDL2
+
+    Image *const img1 = new Image(32, 32);
+    Image *const img2 = new Image(32, 32);
+    Image *const img3 = new Image(32, 32);
+    Map *map = nullptr;
+    MapLayer *layer = nullptr;
+    MockGraphics *const mock = new MockGraphics;
+    const Actors actors;
+
+    SECTION("simple 1")
+    {
+        map = new Map("map",
+            1, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            1, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(1, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            1, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            1, 1,
+            10, 5,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == -10);
+        REQUIRE(mock->mDraws[0].y == -5);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            1, 1,
+            -10, -5,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == 5);
+        REQUIRE(mock->mDraws[0].image == img1);
+    }
+
+    SECTION("simple 2")
+    {
+        map = new Map("map",
+            2, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            2, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(2, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            0, 0,
+            actors);
+
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            10, 5,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == -10);
+        REQUIRE(mock->mDraws[0].y == -5);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            -10, -5,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == 5);
+        REQUIRE(mock->mDraws[0].image == img1);
+    }
+
+    SECTION("simple 3")
+    {
+        map = new Map("map",
+            2, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            2, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(1, 0, img2);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(2, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 32);
+        REQUIRE(mock->mDraws[1].y == 0);
+        REQUIRE(mock->mDraws[1].image == img2);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            -10, -20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == 20);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 42);
+        REQUIRE(mock->mDraws[1].y == 20);
+        REQUIRE(mock->mDraws[1].image == img2);
+    }
+
+    SECTION("simple 4")
+    {
+        map = new Map("map",
+            2, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            2, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(1, 0, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(2, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            2, 1,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == -20);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+    }
+
+    SECTION("simple 4.2")
+    {
+        map = new Map("map",
+            3, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            3, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(2, 0, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(3, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 64);
+        REQUIRE(mock->mDraws[1].y == 0);
+        REQUIRE(mock->mDraws[1].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            10, -20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == -10);
+        REQUIRE(mock->mDraws[0].y == 20);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 54);
+        REQUIRE(mock->mDraws[1].y == 20);
+        REQUIRE(mock->mDraws[1].image == img1);
+    }
+
+    SECTION("simple 5")
+    {
+        map = new Map("map",
+            3, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            3, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(1, 0, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(3, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == -20);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+    }
+
+    SECTION("simple 6")
+    {
+        map = new Map("map",
+            3, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            3, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(1, 0, img1);
+        layer->setTile(2, 0, img2);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(3, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 0);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 64);
+        REQUIRE(mock->mDraws[1].y == 0);
+        REQUIRE(mock->mDraws[1].image == img2);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 10);
+        REQUIRE(mock->mDraws[0].y == -20);
+        REQUIRE(mock->mDraws[0].width == 64);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 74);
+        REQUIRE(mock->mDraws[1].y == -20);
+        REQUIRE(mock->mDraws[1].image == img2);
+    }
+
+    SECTION("simple 7")
+    {
+        map = new Map("map",
+            3, 1,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            3, 1,
+            true,
+            0,
+            0);
+        layer->setTile(0, 0, img1);
+        layer->setTile(1, 0, img1);
+        layer->setTile(2, 0, img2);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        tiles[0].isEnabled = false;
+        layer->updateCache(3, 1);
+
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 32);
+        REQUIRE(mock->mDraws[0].y == 0);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 64);
+        REQUIRE(mock->mDraws[1].y == 0);
+        REQUIRE(mock->mDraws[1].image == img2);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            3, 1,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 2);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 42);
+        REQUIRE(mock->mDraws[0].y == -20);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 74);
+        REQUIRE(mock->mDraws[1].y == -20);
+        REQUIRE(mock->mDraws[1].image == img2);
+    }
+
+    SECTION("normal 1")
+    {
+        const int maxX = 100;
+        const int maxY = 100;
+        map = new Map("map",
+            maxX, maxY,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            maxX, maxY,
+            true,
+            0,
+            0);
+        layer->setTile(1, 10, img1);
+        layer->setTile(2, 10, img1);
+        layer->setTile(3, 10, img1);
+        layer->setTile(4, 10, img2);
+        layer->setTile(5, 10, nullptr);
+        layer->setTile(6, 10, img2);
+        layer->setTile(7, 10, nullptr);
+        layer->setTile(8, 10, nullptr);
+        layer->setTile(9, 10, img2);
+        layer->setTile(10, 10, img2);
+        layer->setTile(11, 10, img3);
+        layer->setTile(12, 10, nullptr);
+        layer->setTile(13, 10, nullptr);
+        layer->setTile(14, 10, nullptr);
+        layer->setTile(15, 10, img1);
+        layer->setTile(16, 10, img1);
+        layer->setTile(17, 10, img1);
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(maxX, maxY);
+
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 6);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 32 * 1);
+        REQUIRE(mock->mDraws[0].y == 32 * 10);
+        REQUIRE(mock->mDraws[0].width == 96);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 32 * 4);
+        REQUIRE(mock->mDraws[1].y == 32 * 10);
+        REQUIRE(mock->mDraws[1].image == img2);
+        REQUIRE(mock->mDraws[2].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[2].x == 32 * 6);
+        REQUIRE(mock->mDraws[2].y == 32 * 10);
+        REQUIRE(mock->mDraws[2].image == img2);
+        REQUIRE(mock->mDraws[3].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[3].x == 32 * 9);
+        REQUIRE(mock->mDraws[3].y == 32 * 10);
+        REQUIRE(mock->mDraws[3].width == 64);
+        REQUIRE(mock->mDraws[3].height == 32);
+        REQUIRE(mock->mDraws[3].image == img2);
+        REQUIRE(mock->mDraws[4].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[4].x == 32 * 11);
+        REQUIRE(mock->mDraws[4].y == 32 * 10);
+        REQUIRE(mock->mDraws[4].image == img3);
+        REQUIRE(mock->mDraws[5].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[5].x == 32 * 15);
+        REQUIRE(mock->mDraws[5].y == 32 * 10);
+        REQUIRE(mock->mDraws[5].width == 96);
+        REQUIRE(mock->mDraws[5].height == 32);
+        REQUIRE(mock->mDraws[5].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 6);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 32 * 1 + 10);
+        REQUIRE(mock->mDraws[0].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[0].width == 96);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 32 * 4 + 10);
+        REQUIRE(mock->mDraws[1].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[1].image == img2);
+        REQUIRE(mock->mDraws[2].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[2].x == 32 * 6 + 10);
+        REQUIRE(mock->mDraws[2].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[2].image == img2);
+        REQUIRE(mock->mDraws[3].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[3].x == 32 * 9 + 10);
+        REQUIRE(mock->mDraws[3].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[3].width == 64);
+        REQUIRE(mock->mDraws[3].height == 32);
+        REQUIRE(mock->mDraws[3].image == img2);
+        REQUIRE(mock->mDraws[4].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[4].x == 32 * 11 + 10);
+        REQUIRE(mock->mDraws[4].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[4].image == img3);
+        REQUIRE(mock->mDraws[5].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[5].x == 32 * 15 + 10);
+        REQUIRE(mock->mDraws[5].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[5].width == 96);
+        REQUIRE(mock->mDraws[5].height == 32);
+        REQUIRE(mock->mDraws[5].image == img1);
+    }
+
+    SECTION("normal2")
+    {
+        const int maxX = 100;
+        const int maxY = 100;
+        map = new Map("map",
+            maxX, maxY,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            maxX, maxY,
+            true,
+            0,
+            0);
+        TileInfo *const tiles = layer->getTiles();
+        map->addLayer(layer);
+        layer->setSpecialLayer(map->getSpecialLayer());
+        layer->setTempLayer(map->getTempLayer());
+        for (int x = 0; x < maxX; x ++)
+        {
+            for (int y = 0; y < maxY; y ++)
+            {
+                layer->setTile(x, y, img1);
+                tiles[y * maxX + x].isEnabled = false;
+            }
+        }
+        tiles[10 * maxX + 41].isEnabled = true;
+        layer->updateCache(maxX, maxY);
+
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            0, 0,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 32 * 41);
+        REQUIRE(mock->mDraws[0].y == 32 * 10);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 1);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[0].x == 32 * 41 + 10);
+        REQUIRE(mock->mDraws[0].y == 32 * 10 - 20);
+    }
+
+    SECTION("normal 3")
+    {
+        const int maxX = 100;
+        const int maxY = 100;
+        map = new Map("map",
+            maxX, maxY,
+            32, 32);
+        layer = new MapLayer("test",
+            0, 0,
+            maxX, maxY,
+            true,
+            0,
+            0);
+        layer->setTile(1, 10, img1);
+        layer->setTile(2, 10, img1);
+        layer->setTile(3, 10, img1);
+        layer->setTile(4, 10, img2);
+        layer->setTile(5, 10, nullptr);
+        layer->setTile(6, 10, img2);
+        layer->setTile(7, 10, nullptr);
+        layer->setTile(8, 10, nullptr);
+        layer->setTile(9, 10, img2);
+        layer->setTile(10, 10, img2);
+        layer->setTile(11, 10, img3);
+        layer->setTile(12, 10, nullptr);
+        layer->setTile(13, 10, nullptr);
+        layer->setTile(14, 10, nullptr);
+        layer->setTile(15, 10, img1);
+        layer->setTile(16, 10, img1);
+        layer->setTile(17, 10, img1);
+        map->addLayer(layer);
+        SpecialLayer *const specialLayer = map->getSpecialLayer();
+        SpecialLayer *const tempLayer = map->getTempLayer();
+        specialLayer->setTile(1, 10, MapItemType::ARROW_UP);
+        specialLayer->setTile(10, 10, MapItemType::ARROW_DOWN);
+        layer->setSpecialLayer(specialLayer);
+        layer->setTempLayer(tempLayer);
+        TileInfo *const tiles = layer->getTiles();
+        layer->updateCache(maxX, maxY);
+
+        logger->log("normal 3 draw");
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            0, 0,
+            actors);
+//+        REQUIRE(mock->mDraws.size() == 8);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 32 * 1);
+        REQUIRE(mock->mDraws[0].y == 32 * 10);
+        REQUIRE(mock->mDraws[0].width == 96);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 32 * 1);
+        REQUIRE(mock->mDraws[1].y == 32 * 10);
+        //REQUIRE(mock->mDraws[1].image == img2);
+        REQUIRE(mock->mDraws[2].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[2].x == 32 * 4);
+        REQUIRE(mock->mDraws[2].y == 32 * 10);
+        REQUIRE(mock->mDraws[2].image == img2);
+        REQUIRE(mock->mDraws[3].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[3].x == 32 * 6);
+        REQUIRE(mock->mDraws[3].y == 32 * 10);
+        REQUIRE(mock->mDraws[3].image == img2);
+        REQUIRE(mock->mDraws[4].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[4].x == 32 * 9);
+        REQUIRE(mock->mDraws[4].y == 32 * 10);
+        REQUIRE(mock->mDraws[4].width == 64);
+        REQUIRE(mock->mDraws[4].height == 32);
+        REQUIRE(mock->mDraws[4].image == img2);
+        REQUIRE(mock->mDraws[5].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[5].x == 32 * 10);
+        REQUIRE(mock->mDraws[5].y == 32 * 10);
+        //REQUIRE(mock->mDraws[5].image == img2);
+        REQUIRE(mock->mDraws[6].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[6].x == 32 * 11);
+        REQUIRE(mock->mDraws[6].y == 32 * 10);
+        REQUIRE(mock->mDraws[6].image == img3);
+        REQUIRE(mock->mDraws[7].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[7].x == 32 * 15);
+        REQUIRE(mock->mDraws[7].y == 32 * 10);
+        REQUIRE(mock->mDraws[7].width == 96);
+        REQUIRE(mock->mDraws[7].height == 32);
+        REQUIRE(mock->mDraws[7].image == img1);
+
+        mock->mDraws.clear();
+        layer->drawFringe(mock,
+            0, 0,
+            maxX, maxY,
+            -10, 20,
+            actors);
+        REQUIRE(mock->mDraws.size() == 6);
+        REQUIRE(mock->mDraws[0].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[0].x == 32 * 1 + 10);
+        REQUIRE(mock->mDraws[0].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[0].width == 96);
+        REQUIRE(mock->mDraws[0].height == 32);
+        REQUIRE(mock->mDraws[0].image == img1);
+        REQUIRE(mock->mDraws[1].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[1].x == 32 * 4 + 10);
+        REQUIRE(mock->mDraws[1].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[1].image == img2);
+        REQUIRE(mock->mDraws[2].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[2].x == 32 * 6 + 10);
+        REQUIRE(mock->mDraws[2].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[2].image == img2);
+        REQUIRE(mock->mDraws[3].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[3].x == 32 * 9 + 10);
+        REQUIRE(mock->mDraws[3].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[3].width == 64);
+        REQUIRE(mock->mDraws[3].height == 32);
+        REQUIRE(mock->mDraws[3].image == img2);
+        REQUIRE(mock->mDraws[4].drawType == MockDrawType::DrawImage);
+        REQUIRE(mock->mDraws[4].x == 32 * 11 + 10);
+        REQUIRE(mock->mDraws[4].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[4].image == img3);
+        REQUIRE(mock->mDraws[5].drawType == MockDrawType::DrawPattern);
+        REQUIRE(mock->mDraws[5].x == 32 * 15 + 10);
+        REQUIRE(mock->mDraws[5].y == 32 * 10 - 20);
+        REQUIRE(mock->mDraws[5].width == 96);
+        REQUIRE(mock->mDraws[5].height == 32);
+        REQUIRE(mock->mDraws[5].image == img1);
+    }
+
+
     delete map;
     delete img1;
     delete img2;
-- 
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