From 9b4495c16296392cbb303d413e0ab580d7ec4a41 Mon Sep 17 00:00:00 2001
From: Roman Merlick <rmerlick@gmail.com>
Date: Fri, 25 Apr 2025 15:49:25 -0500
Subject: [PATCH] Created Double Edge testing for recoil damage on substitutes

---
 test/moves/double_edge.test.ts | 77 ++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 test/moves/double_edge.test.ts

diff --git a/test/moves/double_edge.test.ts b/test/moves/double_edge.test.ts
new file mode 100644
index 00000000000..87443ba50f3
--- /dev/null
+++ b/test/moves/double_edge.test.ts
@@ -0,0 +1,77 @@
+import { Stat } from "#enums/stat";
+import { EnemyCommandPhase } from "#app/phases/enemy-command-phase";
+import { TurnEndPhase } from "#app/phases/turn-end-phase";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import GameManager from "#test/testUtils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+
+describe("Moves - DOUBLE_EDGE", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    const moveToUse = Moves.DOUBLE_EDGE;
+    game.override.battleStyle("single");
+    game.override.enemySpecies(Species.MAGIKARP);
+    game.override.startingLevel(1);
+    game.override.startingWave(97);
+    game.override.moveset([moveToUse]);
+    game.override.enemyMoveset([Moves.GROWTH, Moves.GROWTH, Moves.GROWTH, Moves.GROWTH]);
+    game.override.disableCrits();
+  });
+
+  it("DOUBLE_EDGE against ghost", async () => {
+    const moveToUse = Moves.DOUBLE_EDGE;
+    game.override.enemySpecies(Species.GENGAR);
+    await game.classicMode.startBattle([Species.MIGHTYENA]);
+    const hpOpponent = game.scene.currentBattle.enemyParty[0].hp;
+    game.move.select(moveToUse);
+    await game.phaseInterceptor.runFrom(EnemyCommandPhase).to(TurnEndPhase);
+    const hpLost = hpOpponent - game.scene.currentBattle.enemyParty[0].hp;
+    expect(hpLost).toBe(0);
+  }, 20000);
+
+  it("DOUBLE_EDGE against not resistant", async () => {
+    const moveToUse = Moves.DOUBLE_EDGE;
+    await game.classicMode.startBattle([Species.MIGHTYENA]);
+    game.scene.currentBattle.enemyParty[0].stats[Stat.DEF] = 50;
+    game.scene.getPlayerParty()[0].stats[Stat.ATK] = 50;
+
+    const hpOpponent = game.scene.currentBattle.enemyParty[0].hp;
+
+    game.move.select(moveToUse);
+    await game.phaseInterceptor.runFrom(EnemyCommandPhase).to(TurnEndPhase);
+    const hpLost = hpOpponent - game.scene.currentBattle.enemyParty[0].hp;
+    expect(hpLost).toBeGreaterThan(0);
+    expect(hpLost).toBeLessThan(8);
+  }, 20000);
+
+  it("DOUBLE_EDGE against SUBSTITUTE does recoil", async () => {
+    const moveToUse = Moves.DOUBLE_EDGE;
+    game.override.enemySpecies(Species.PIDOVE);
+    game.override.enemyMoveset([Moves.SUBSTITUTE, Moves.SUBSTITUTE, Moves.SUBSTITUTE, Moves.SUBSTITUTE]);
+    await game.classicMode.startBattle([Species.TOGEPI]);
+    game.scene.currentBattle.enemyParty[0].stats[Stat.DEF] = 50;
+    game.scene.getPlayerParty()[0].stats[Stat.ATK] = 50;
+
+    const hpTotal = game.scene.getPlayerParty()[0].stats[Stat.HP];
+
+    game.move.select(moveToUse);
+    await game.phaseInterceptor.runFrom(EnemyCommandPhase).to(TurnEndPhase);
+    const hpLost = hpTotal - game.scene.getPlayerParty()[0].stats[Stat.HP];
+    expect(hpLost).toBeGreaterThan(0);
+  }, 20000);
+});