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fun drink() {
  if (canDrink) {
    System.out.println("Drinking .. ")
   } else {
     throw UnderageDrinkingException()
   }
}

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@Test
fun `friends are correctly added`() {
   val rui = User(firstName = "Rui", lastName = "Gonçalo", age = 28)
   val fabio = User(firstName = "Fábio", lastName = "Carballo", age = 26)

   rui.addFriend(fabio)

   assertEquals(listOf(fabio), rui.friends)

   // OR

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infix fun Any.`should equal`(theOther: Any) = assertEquals(theOther, this)

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@Test
fun `the full name is the concatenation of the first and last name`() {
  val user = User(firstName = "Fábio", lastName = "Carballo", age = 26)

  assertEquals("Fábio Carballo", user.fullName)
}

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class User(
        private val firstName: String,
        private val lastName: String,
        private val age: Int) {

    val fullName = "$firstName $lastName"

    val canDrink = (age >= 18)

    val friends: MutableList<User> = mutableListOf()

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class User(
        private val firstName: String,
        private val lastName: String,
        private val age: Int) {

    val fullName = "$firstName $lastName"

    val canDrink = (age >= 18)

    val friends: MutableList<User> = mutableListOf()

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class TemperaturePresenterTest {

  private val lastLocation = Coordinate(41.5, 8.9)
  private val currentLocation = Coordinate(38.7, 9.7)

  val locationProvider: LocationProvider = mock {
      on { getLastKnownLocation() }.then { lastLocation }
      on { getExactLocation() }.then { currentLocation }
  }

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class TemperaturePresenterTest {

   @Mock lateinit var locationProvider: LocationProvider
   @Mock lateinit var temperatureProvider: TemperatureProvider
   @Mock lateinit var view: View

    lateinit var tested: TemperaturePresenter

   @Before
   fun setUp() {

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class TemperaturePresenterTest {

    @Mock lateinit var locationProvider: LocationProvider
    @Mock lateinit var temperatureProvider: TemperatureProvider
    @Mock lateinit var view: View

    lateinit var tested: TemperaturePresenter

    @Before

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package testing.fabiocarballo.com.myapplication;

import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;

public class TemperaturePresenterJavaTest {