1 /*
2  * Copyright 2021 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 
17 package androidx.window.java
18 
19 import androidx.core.util.Consumer
20 import org.junit.Assert.assertEquals
21 
22 internal class TestConsumer<T> : Consumer<T> {
23     private val values = mutableListOf<T>()
24 
acceptnull25     override fun accept(value: T) {
26         values.add(value)
27     }
28 
assertValueCountnull29     fun assertValueCount(count: Int) {
30         assertEquals(count, values.size)
31     }
32 
assertEmptynull33     fun assertEmpty() {
34         assertValueCount(0)
35     }
36 
assertValuenull37     fun assertValue(t: T) {
38         assertValueCount(1)
39         assertEquals(t, values.first())
40     }
41 }
42