48 lines
1.5 KiB
Kotlin
48 lines
1.5 KiB
Kotlin
/*
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* Copyright (c) 2022 Proton AG
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*
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* This file is part of Proton Mail.
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*
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* Proton Mail is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Proton Mail is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Proton Mail. If not, see https://www.gnu.org/licenses/.
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*/
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package ch.protonmail.android.api.models.room
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.Observer
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import org.junit.Assert
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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@Throws(InterruptedException::class)
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inline fun <reified T> LiveData<T>.getTestValue(timeout:Long=2,timeUnit:TimeUnit=TimeUnit.SECONDS):T? {
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val data = arrayOfNulls<T?>(1)
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val latch = CountDownLatch(1)
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val observer = object : Observer<T> {
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override fun onChanged(value: T?) {
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data[0] = value
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latch.countDown()
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removeObserver(this)
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}
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}
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observeForever(observer)
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if (!latch.await(timeout, timeUnit)) {
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Assert.fail("Execution took more than $timeout $timeUnit")
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}
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return data[0]
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}
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val <reified T> LiveData<T>.testValue:T? inline get(){
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return getTestValue()
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}
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