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* De-flake PicassoTest.loading_slot * Remove coroutines-test from Picasso * De-flake CoilTest.loading_slot
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64 changes: 64 additions & 0 deletions
64
.../src/androidTest/java/dev/chrisbanes/accompanist/picasso/SingleThreadPauseableExecutor.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| * Copyright 2020 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
|
||
| package dev.chrisbanes.accompanist.picasso | ||
|
|
||
| import java.util.concurrent.LinkedBlockingQueue | ||
| import java.util.concurrent.ThreadPoolExecutor | ||
| import java.util.concurrent.TimeUnit | ||
| import java.util.concurrent.locks.ReentrantLock | ||
|
|
||
| /** | ||
| * This is copied from the javadoc on [ThreadPoolExecutor]. | ||
| */ | ||
| internal class SingleThreadPausableExecutor(paused: Boolean = false) : ThreadPoolExecutor( | ||
| 1, 1, 0L, TimeUnit.MILLISECONDS, LinkedBlockingQueue() | ||
| ) { | ||
| private var isPaused = paused | ||
| private val pauseLock = ReentrantLock() | ||
| private val unpaused = pauseLock.newCondition() | ||
|
|
||
| override fun beforeExecute(t: Thread, r: Runnable) { | ||
| super.beforeExecute(t, r) | ||
| pauseLock.lock() | ||
| try { | ||
| while (isPaused) unpaused.await() | ||
| } catch (ie: InterruptedException) { | ||
| t.interrupt() | ||
| } finally { | ||
| pauseLock.unlock() | ||
| } | ||
| } | ||
|
|
||
| fun pause() { | ||
| pauseLock.lock() | ||
| try { | ||
| isPaused = true | ||
| } finally { | ||
| pauseLock.unlock() | ||
| } | ||
| } | ||
|
|
||
| fun resume() { | ||
| pauseLock.lock() | ||
| try { | ||
| isPaused = false | ||
| unpaused.signalAll() | ||
| } finally { | ||
| pauseLock.unlock() | ||
| } | ||
| } | ||
| } |