import assert from "node:assert/strict";
import test from "node:test";

import { installCanvasWheelListener } from "../src/ui/pages/CanvasWorkspace/canvas/canvasWheel.ts";

test("installs the canvas wheel handler as non-passive and removes it cleanly", () => {
  const calls = [];
  const target = {
    addEventListener(type, listener, options) {
      calls.push({ action: "add", type, listener, options });
    },
    removeEventListener(type, listener) {
      calls.push({ action: "remove", type, listener });
    }
  };
  const listener = () => {};

  const cleanup = installCanvasWheelListener(target, listener);

  assert.equal(calls[0].action, "add");
  assert.equal(calls[0].type, "wheel");
  assert.strictEqual(calls[0].listener, listener);
  assert.deepEqual(calls[0].options, { passive: false });

  cleanup();
  assert.equal(calls[1].action, "remove");
  assert.equal(calls[1].type, "wheel");
  assert.strictEqual(calls[1].listener, listener);
});