1/*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import {FunctionUtils} from './function_utils';
18
19describe('FunctionUtils', () => {
20  class A {
21    a = 'a';
22    foo(): string {
23      return 'a';
24    }
25  }
26
27  class B {
28    b = 'b';
29    bar(): string {
30      return 'b';
31    }
32  }
33
34  it('mixin()', () => {
35    const a = new A();
36    const b = new B();
37
38    const mixin = FunctionUtils.mixin(a, b);
39
40    expect(mixin.a).toEqual('a');
41    expect(mixin.b).toEqual('b');
42    expect(mixin.foo()).toEqual('a');
43    expect(mixin.bar()).toEqual('b');
44  });
45});
46