1 /*
2  * Copyright (C) 2022 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 com.android.settingslib.spa.testutils
18 
19 import kotlinx.coroutines.flow.Flow
20 import kotlinx.coroutines.flow.first
21 import kotlinx.coroutines.flow.toList
22 import kotlinx.coroutines.withTimeoutOrNull
23 
firstWithTimeoutOrNullnull24 suspend fun <T> Flow<T>.firstWithTimeoutOrNull(timeMillis: Long = 500): T? =
25     withTimeoutOrNull(timeMillis) {
26         first()
27     }
28 
toListWithTimeoutnull29 suspend fun <T> Flow<T>.toListWithTimeout(timeMillis: Long = 500): List<T> {
30     val list = mutableListOf<T>()
31     return withTimeoutOrNull(timeMillis) {
32         toList(list)
33     } ?: list
34 }
35