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/*
* Copyright (C) 2019 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
*
* http://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 com.manuelvicnt.coroutinesflow.fibonacci.impl
import com.manuelvicnt.coroutinesflow.MainCoroutineRule
import com.manuelvicnt.coroutinesflow.runBlocking
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.flow.take
import kotlinx.coroutines.flow.toList
import org.junit.Assert.assertEquals
import org.junit.Rule
import org.junit.Test
@ExperimentalCoroutinesApi
class NeverEndingFibonacciProducerTest {
@get:Rule
var mainCoroutineRule = MainCoroutineRule()
@Test
fun `Never ending Fibonacci doesn't stop when called multiple times`() = mainCoroutineRule.runBlocking {
val subject = NeverEndingFibonacciProducer()
subject.startNeverEndingFibonacci(mainCoroutineRule.testDispatcher)
val elements = subject.fibonacci().take(2).toList()
assertEquals(2, elements[0])
assertEquals(3, elements[1])
subject.stopNeverEndingFibonacci()
}
}
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