/*

* Copyright 2022 Google LLC

*

* 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 com.example.android.coroutines.testing

import kotlinx.coroutines.delay

import kotlinx.coroutines.launch

import kotlinx.coroutines.test.UnconfinedTestDispatcher

import kotlinx.coroutines.test.runTest

import org.junit.Assert.assertEquals

import org.junit.Ignore

import org.junit.Test

class UnconfinedTestDispatcherTest {

// [START coroutine_test_unconfined]

@Test

fun unconfinedTest() = runTest(UnconfinedTestDispatcher()) {

val userRepo = UserRepository()

launch { userRepo.register("Alice") }

launch { userRepo.register("Bob") }

assertEquals(listOf("Alice", "Bob"), userRepo.getAllUsers()) // ✅ Passes

}

// [END coroutine_test_unconfined]

@Ignore

// [START coroutine_test_unconfined_yielding]

@Test

fun yieldingTest() = runTest(UnconfinedTestDispatcher()) {

val userRepo = UserRepository()

launch {

userRepo.register("Alice")

delay(10L)

userRepo.register("Bob")

}

assertEquals(listOf("Alice", "Bob"), userRepo.getAllUsers()) // ❌ Fails

}

// [END coroutine_test_unconfined_yielding]

}