Add simple test for GameDisplay.

Author: gvtulder

src/ui/game/GameDisplay.test.ts

@@ -3,11 +3,14 @@
  * SPDX-FileCopyrightText: Copyright (C) 2025 Gijs van Tulder
  */
 
-import { describe, test } from "@jest/globals";
+import { describe, expect, test } from "@jest/globals";
 import { GameDisplay } from "./GameDisplay";
 import { SquaresAtlas } from "../../grid/atlas/SquaresAtlas";
 import { TileGenerators } from "../../game/TileGenerator";
+import { ConnectedSegmentScorer } from "../../game/scorers/ConnectedSegmentScorer";
+import { seedPRNG } from "../../geom/RandomSampler";
 import { Game } from "../../game/Game";
+import { AutoPlayer } from "../../game/autoplayer/AutoPlayer";
 
 describe("GameDisplay", () => {
     test("can be created", () => {
@@ -22,4 +25,22 @@ describe("GameDisplay", () => {
         const display = new GameDisplay(game);
         display.destroy();
     });
+
+    test("can show a game", () => {
+        const colors = ["red", "blue", "green", "black"];
+        const settings = {
+            atlas: SquaresAtlas,
+            initialTile: colors,
+            scorer: ConnectedSegmentScorer,
+            tilesShownOnStack: 3,
+            tileGenerator: [TileGenerators.permutations(colors)],
+        };
+        const prng = seedPRNG(1234);
+        const game = new Game(settings, prng);
+        const display = new GameDisplay(game);
+        const player = new AutoPlayer(game);
+        player.playAllTiles(undefined, prng);
+        expect(display.scoreDisplay.scoreField.innerHTML).toBe("224");
+        expect(display.element.classList.contains("game-finished")).toBe(true);
+    });
 });