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Homework #74

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4 changes: 4 additions & 0 deletions build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@ plugins {
id 'org.jetbrains.kotlin.jvm' version '2.2.10'
}

dependencies {
testImplementation("org.junit.jupiter:junit-jupiter:5.9.2")
}

test {
useJUnitPlatform()
}
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34 changes: 34 additions & 0 deletions src/main/kotlin/ru/otus/homework/Homework.kt
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@@ -0,0 +1,34 @@
package ru.otus.homework

//region Задание 1
fun calc(n1: Int, n2: Int, vararg other: Int): Int {
val sum = n1 + n2 + other.sum()
return sum
}
//endregion

//region Задание 2
fun join(vararg string: String, separator: Char = ' '): String =
string.joinToString(separator = separator.toString())
//endregion

//region Задание 4
fun main() {
val ms = runTime { longFunction() }
println("Время выполнения — $ms милисекунд")
}

fun runTime(block: () -> Unit): Long {
val start = System.currentTimeMillis()
block()
val end = System.currentTimeMillis()
val time = end - start
return time
}

fun longFunction() {
repeat(1000000000) { i ->
if (i % 500000000 == 0) println("$i")
}
}
//endregion
39 changes: 39 additions & 0 deletions src/test/kotlin/ru/otus/homework/HomeworkTest.kt
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@@ -0,0 +1,39 @@
package ru.otus.homework

import org.junit.jupiter.api.Assertions
import org.junit.jupiter.api.Test


class HomeworkTest {
//region Тест для задания 1
@Test
fun calcTest1() {
val actual = calc(1, 2)
val expected = 3
Assertions.assertEquals(expected, actual)
}

@Test
fun calcTest2() {
val actual = calc(1, 2, 3, 4)
val expected = 10
Assertions.assertEquals(expected, actual)
}
//endregion

//region Задание 3
@Test
fun `no separator - use default`() {
val actual = join("Я – инженер","и моя голова сразу забывает бесполезные слова. Хуяк-хуяк", "и в продакшн.")
val expected = "Я – инженер и моя голова сразу забывает бесполезные слова. Хуяк-хуяк и в продакшн."
Assertions.assertEquals(expected, actual)
}

@Test
fun `has separator - use the separator`() {
val actual = join("Я – инженер","и моя голова сразу забывает бесполезные слова. Хуяк-хуяк", "и в продакшн.", separator =',')
val expected = "Я – инженер,и моя голова сразу забывает бесполезные слова. Хуяк-хуяк,и в продакшн."
Assertions.assertEquals(expected, actual)
}
//endregion
}