ui/src/base/disposable_unittest.ts

// Copyright (C) 2023 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import {DisposableCallback, Trash} from './disposable';

test('trash', () => {
  const order: number[] = [];
  const trash = new Trash();
  trash.add(DisposableCallback.from(() => order.push(3)));
  trash.add(DisposableCallback.from(() => order.push(2)));
  trash.add(DisposableCallback.from(() => order.push(1)));
  expect(order).toEqual([]);
  trash.dispose();
  expect(order).toEqual([1, 2, 3]);
});