1 /* 2 * Copyright (C) 2019 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.testutils 18 19 import android.os.ConditionVariable 20 import android.os.Handler 21 import android.os.HandlerThread 22 import java.util.concurrent.Executor 23 import kotlin.system.measureTimeMillis 24 import kotlin.test.fail 25 26 /** 27 * Block until the specified Handler or HandlerThread becomes idle, or until timeoutMs has passed. 28 */ HandlerThreadnull29 fun HandlerThread.waitForIdle(timeoutMs: Int) = threadHandler.waitForIdle(timeoutMs.toLong()) 30 fun HandlerThread.waitForIdle(timeoutMs: Long) = threadHandler.waitForIdle(timeoutMs) 31 fun Handler.waitForIdle(timeoutMs: Int) = waitForIdle(timeoutMs.toLong()) 32 fun Handler.waitForIdle(timeoutMs: Long) { 33 val cv = ConditionVariable(false) 34 post(cv::open) 35 if (!cv.block(timeoutMs)) { 36 fail("Handler did not become idle after ${timeoutMs}ms") 37 } 38 } 39 40 /** 41 * Block until the given Serial Executor becomes idle, or until timeoutMs has passed. 42 */ waitForIdleSerialExecutornull43 fun waitForIdleSerialExecutor(executor: Executor, timeoutMs: Long) { 44 val cv = ConditionVariable() 45 executor.execute(cv::open) 46 if (!cv.block(timeoutMs)) { 47 fail("Executor did not become idle after ${timeoutMs}ms") 48 } 49 } 50