40 lines
1.1 KiB
Kotlin
40 lines
1.1 KiB
Kotlin
package cy.agorise.bitsybitshareswallet
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.Observer
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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object LiveDataTestUtil {
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fun <T> LiveData<T>.blockingObserve(): T? {
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var value: T? = null
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val latch = CountDownLatch(1)
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val observer = Observer<T> { t ->
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value = t
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latch.countDown()
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}
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observeForever(observer)
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latch.await(2, TimeUnit.SECONDS)
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return value
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}
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} |