From 41e8e25e1bddb71d3ad56b893bc1f99a4e738752 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 19:44:17 +0900
Subject: [PATCH 01/10] =?UTF-8?q?refactor:=20step3=20=EC=BD=94=EB=93=9C=20?=
 =?UTF-8?q?=EB=A6=AC=EB=B7=B0=20=EB=82=B4=EC=9A=A9=20=EB=B0=98=EC=98=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Application.kt     |  6 ++--
 src/main/kotlin/racingcar/Car.kt             | 17 +++++------
 src/main/kotlin/racingcar/InputView.kt       | 30 ++++++++------------
 src/main/kotlin/racingcar/MovingJudgeRule.kt | 10 ++-----
 src/main/kotlin/racingcar/NumberGenerator.kt |  7 ++++-
 src/main/kotlin/racingcar/ResultView.kt      | 14 ++++-----
 src/test/kotlin/racingcar/CarTest.kt         |  6 ++--
 7 files changed, 40 insertions(+), 50 deletions(-)

diff --git a/src/main/kotlin/racingcar/Application.kt b/src/main/kotlin/racingcar/Application.kt
index 8688f7f131..8fcf1c56ba 100644
--- a/src/main/kotlin/racingcar/Application.kt
+++ b/src/main/kotlin/racingcar/Application.kt
@@ -1,9 +1,9 @@
 package racingcar
 
-class Application
-
 fun main() {
-    val (cars, roundCount) = InputView()
+    val roundCount = InputView.readRoundCount()
+    val cars = InputView.readCars()
+
     val racingGame = RacingGame(
         cars = cars,
         numberGenerator = RacingCarNumberGenerator()
diff --git a/src/main/kotlin/racingcar/Car.kt b/src/main/kotlin/racingcar/Car.kt
index 15c3a5de51..a893c22045 100644
--- a/src/main/kotlin/racingcar/Car.kt
+++ b/src/main/kotlin/racingcar/Car.kt
@@ -1,16 +1,13 @@
 package racingcar
 
 class Car(
-    private var location: Int = 0,
+    private var _location: Int = 0,
 ) {
-    fun move(randNumber: Int) {
-        val rule = MovingJudgeRule.judge(randNumber)
-        val strategy = rule.strategy()
-
-        location = strategy.move(location)
-    }
-
-    fun currentLocation(): Int {
-        return location
+    val location
+        get() = _location
+    fun move(number: Int) {
+        val rule = MovingJudgeRule.judge(number)
+        val strategy = rule.strategy
+        _location = strategy.move(location)
     }
 }
diff --git a/src/main/kotlin/racingcar/InputView.kt b/src/main/kotlin/racingcar/InputView.kt
index 7260d25cc0..2b7f68cba4 100644
--- a/src/main/kotlin/racingcar/InputView.kt
+++ b/src/main/kotlin/racingcar/InputView.kt
@@ -1,24 +1,18 @@
 package racingcar
+object InputView {
+    fun readCars(): List<Car> {
+        println("자동차 대수는 몇 대인가요?")
 
-data class InputView(
-    val cars: List<Car> = readCars("자동차 대수는 몇 대인가요?"),
-    val roundCount: Int = readRoundCount("시도할 횟수는 몇 회인가요?"),
-) {
-    companion object {
-        private fun readCars(message: String): List<Car> {
-            println(message)
-
-            val list = mutableListOf<Car>()
-            repeat(readln().toInt()) {
-                list.add(Car())
-            }
-
-            return list
+        val list = mutableListOf<Car>()
+        repeat(readln().toInt()) {
+            list.add(Car())
         }
 
-        private fun readRoundCount(message: String): Int {
-            println(message)
-            return readln().toInt()
-        }
+        return list
+    }
+
+    fun readRoundCount(): Int {
+        println("시도할 횟수는 몇 회인가요?")
+        return readln().toInt()
     }
 }
diff --git a/src/main/kotlin/racingcar/MovingJudgeRule.kt b/src/main/kotlin/racingcar/MovingJudgeRule.kt
index 4063cbf1be..2b8bfe00a2 100644
--- a/src/main/kotlin/racingcar/MovingJudgeRule.kt
+++ b/src/main/kotlin/racingcar/MovingJudgeRule.kt
@@ -2,15 +2,15 @@ package racingcar
 
 enum class MovingJudgeRule(
     private val expression: (Int) -> (Boolean),
-    private val strategy: MovingStrategy
+    val strategy: MovingStrategy
 ) {
 
     ADVANCE_RULE(
-        expression = { number -> number >= FORWARD_STRATEGY_BOUND },
+        expression = { it >= FORWARD_STRATEGY_BOUND },
         strategy = MovingStrategy.ADVANCE,
     ),
     STOP_RULE(
-        expression = { false },
+        expression = { it < FORWARD_STRATEGY_BOUND },
         strategy = MovingStrategy.STOP,
     ),
     ;
@@ -19,10 +19,6 @@ enum class MovingJudgeRule(
         return expression(number)
     }
 
-    fun strategy(): MovingStrategy {
-        return strategy
-    }
-
     companion object {
         private const val FORWARD_STRATEGY_BOUND = 4
 
diff --git a/src/main/kotlin/racingcar/NumberGenerator.kt b/src/main/kotlin/racingcar/NumberGenerator.kt
index 97ce114911..98bfdedce6 100644
--- a/src/main/kotlin/racingcar/NumberGenerator.kt
+++ b/src/main/kotlin/racingcar/NumberGenerator.kt
@@ -6,6 +6,11 @@ interface NumberGenerator {
 
 class RacingCarNumberGenerator : NumberGenerator {
     override fun rand(): Int {
-        return (0..9).random()
+        return (RAND_NUMBER_START_BOUND..RAND_NUMBER_END_BOUND).random()
+    }
+
+    companion object {
+        private const val RAND_NUMBER_START_BOUND = 0
+        private const val RAND_NUMBER_END_BOUND = 0
     }
 }
diff --git a/src/main/kotlin/racingcar/ResultView.kt b/src/main/kotlin/racingcar/ResultView.kt
index 74ff59a772..db57b55818 100644
--- a/src/main/kotlin/racingcar/ResultView.kt
+++ b/src/main/kotlin/racingcar/ResultView.kt
@@ -1,14 +1,12 @@
 package racingcar
 
-class ResultView {
-    companion object {
-        fun print(cars: List<Car>) {
-            for (car in cars) {
-                val location = car.currentLocation()
-                repeat(location) { print("-") }
-                println()
-            }
+object ResultView {
+    fun print(cars: List<Car>) {
+        for (car in cars) {
+            val location = car.location
+            repeat(location) { print("-") }
             println()
         }
+        println()
     }
 }
diff --git a/src/test/kotlin/racingcar/CarTest.kt b/src/test/kotlin/racingcar/CarTest.kt
index 244a0c15e3..ba395c0de4 100644
--- a/src/test/kotlin/racingcar/CarTest.kt
+++ b/src/test/kotlin/racingcar/CarTest.kt
@@ -7,7 +7,7 @@ class CarTest : StringSpec({
 
     "자동차의 처음 위치는 0이에요" {
         val car = Car()
-        car.currentLocation() shouldBe 0
+        car.location shouldBe 0
     }
 
     "자동차는 4 ~ 9의 숫자일 때 1 만큼 이동해요" {
@@ -15,7 +15,7 @@ class CarTest : StringSpec({
             val car = Car()
             car.move(number)
 
-            car.currentLocation() shouldBe 1
+            car.location shouldBe 1
         }
     }
 
@@ -24,7 +24,7 @@ class CarTest : StringSpec({
             val car = Car()
             car.move(number)
 
-            car.currentLocation() shouldBe 0
+            car.location shouldBe 0
         }
     }
 })

From d0bed0ac48d5a0cca77839733c526ab95dd8ee60 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 19:51:45 +0900
Subject: [PATCH 02/10] =?UTF-8?q?chore:=20=ED=8C=A8=ED=82=A4=EC=A7=80=20?=
 =?UTF-8?q?=EA=B5=AC=EC=A1=B0=EB=A5=BC=20view=EC=99=80=20domain=EC=9C=BC?=
 =?UTF-8?q?=EB=A1=9C=20=EB=B6=84=EB=A6=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Application.kt                  | 7 ++++++-
 src/main/kotlin/racingcar/{ => domain}/Car.kt             | 2 +-
 src/main/kotlin/racingcar/{ => domain}/MovingJudgeRule.kt | 2 +-
 src/main/kotlin/racingcar/{ => domain}/MovingStrategy.kt  | 2 +-
 src/main/kotlin/racingcar/{ => domain}/NumberGenerator.kt | 2 +-
 src/main/kotlin/racingcar/{ => domain}/RacingGame.kt      | 2 +-
 src/main/kotlin/racingcar/{ => view}/InputView.kt         | 5 ++++-
 src/main/kotlin/racingcar/{ => view}/ResultView.kt        | 4 +++-
 src/test/kotlin/racingcar/CarTest.kt                      | 1 +
 src/test/kotlin/racingcar/MovingJudgeRuleTest.kt          | 1 +
 src/test/kotlin/racingcar/MovingStrategyTest.kt           | 1 +
 src/test/kotlin/racingcar/RacingGameTest.kt               | 3 +++
 12 files changed, 24 insertions(+), 8 deletions(-)
 rename src/main/kotlin/racingcar/{ => domain}/Car.kt (91%)
 rename src/main/kotlin/racingcar/{ => domain}/MovingJudgeRule.kt (96%)
 rename src/main/kotlin/racingcar/{ => domain}/MovingStrategy.kt (92%)
 rename src/main/kotlin/racingcar/{ => domain}/NumberGenerator.kt (93%)
 rename src/main/kotlin/racingcar/{ => domain}/RacingGame.kt (91%)
 rename src/main/kotlin/racingcar/{ => view}/InputView.kt (87%)
 rename src/main/kotlin/racingcar/{ => view}/ResultView.kt (81%)

diff --git a/src/main/kotlin/racingcar/Application.kt b/src/main/kotlin/racingcar/Application.kt
index 8fcf1c56ba..09699db74c 100644
--- a/src/main/kotlin/racingcar/Application.kt
+++ b/src/main/kotlin/racingcar/Application.kt
@@ -1,8 +1,13 @@
 package racingcar
 
+import racingcar.domain.RacingCarNumberGenerator
+import racingcar.domain.RacingGame
+import racingcar.view.InputView
+import racingcar.view.ResultView
+
 fun main() {
-    val roundCount = InputView.readRoundCount()
     val cars = InputView.readCars()
+    val roundCount = InputView.readRoundCount()
 
     val racingGame = RacingGame(
         cars = cars,
diff --git a/src/main/kotlin/racingcar/Car.kt b/src/main/kotlin/racingcar/domain/Car.kt
similarity index 91%
rename from src/main/kotlin/racingcar/Car.kt
rename to src/main/kotlin/racingcar/domain/Car.kt
index a893c22045..2235bc4ca7 100644
--- a/src/main/kotlin/racingcar/Car.kt
+++ b/src/main/kotlin/racingcar/domain/Car.kt
@@ -1,4 +1,4 @@
-package racingcar
+package racingcar.domain
 
 class Car(
     private var _location: Int = 0,
diff --git a/src/main/kotlin/racingcar/MovingJudgeRule.kt b/src/main/kotlin/racingcar/domain/MovingJudgeRule.kt
similarity index 96%
rename from src/main/kotlin/racingcar/MovingJudgeRule.kt
rename to src/main/kotlin/racingcar/domain/MovingJudgeRule.kt
index 2b8bfe00a2..c52aa2bc79 100644
--- a/src/main/kotlin/racingcar/MovingJudgeRule.kt
+++ b/src/main/kotlin/racingcar/domain/MovingJudgeRule.kt
@@ -1,4 +1,4 @@
-package racingcar
+package racingcar.domain
 
 enum class MovingJudgeRule(
     private val expression: (Int) -> (Boolean),
diff --git a/src/main/kotlin/racingcar/MovingStrategy.kt b/src/main/kotlin/racingcar/domain/MovingStrategy.kt
similarity index 92%
rename from src/main/kotlin/racingcar/MovingStrategy.kt
rename to src/main/kotlin/racingcar/domain/MovingStrategy.kt
index c6ee9a8eb3..1aa22acaaf 100644
--- a/src/main/kotlin/racingcar/MovingStrategy.kt
+++ b/src/main/kotlin/racingcar/domain/MovingStrategy.kt
@@ -1,4 +1,4 @@
-package racingcar
+package racingcar.domain
 
 enum class MovingStrategy(
     private val expression: (Int) -> (Int)
diff --git a/src/main/kotlin/racingcar/NumberGenerator.kt b/src/main/kotlin/racingcar/domain/NumberGenerator.kt
similarity index 93%
rename from src/main/kotlin/racingcar/NumberGenerator.kt
rename to src/main/kotlin/racingcar/domain/NumberGenerator.kt
index 98bfdedce6..cda24acc74 100644
--- a/src/main/kotlin/racingcar/NumberGenerator.kt
+++ b/src/main/kotlin/racingcar/domain/NumberGenerator.kt
@@ -1,4 +1,4 @@
-package racingcar
+package racingcar.domain
 
 interface NumberGenerator {
     fun rand(): Int
diff --git a/src/main/kotlin/racingcar/RacingGame.kt b/src/main/kotlin/racingcar/domain/RacingGame.kt
similarity index 91%
rename from src/main/kotlin/racingcar/RacingGame.kt
rename to src/main/kotlin/racingcar/domain/RacingGame.kt
index a2cebbf422..9e990bbe3e 100644
--- a/src/main/kotlin/racingcar/RacingGame.kt
+++ b/src/main/kotlin/racingcar/domain/RacingGame.kt
@@ -1,4 +1,4 @@
-package racingcar
+package racingcar.domain
 
 class RacingGame(
     private val cars: List<Car>,
diff --git a/src/main/kotlin/racingcar/InputView.kt b/src/main/kotlin/racingcar/view/InputView.kt
similarity index 87%
rename from src/main/kotlin/racingcar/InputView.kt
rename to src/main/kotlin/racingcar/view/InputView.kt
index 2b7f68cba4..dcab2c483f 100644
--- a/src/main/kotlin/racingcar/InputView.kt
+++ b/src/main/kotlin/racingcar/view/InputView.kt
@@ -1,4 +1,7 @@
-package racingcar
+package racingcar.view
+
+import racingcar.domain.Car
+
 object InputView {
     fun readCars(): List<Car> {
         println("자동차 대수는 몇 대인가요?")
diff --git a/src/main/kotlin/racingcar/ResultView.kt b/src/main/kotlin/racingcar/view/ResultView.kt
similarity index 81%
rename from src/main/kotlin/racingcar/ResultView.kt
rename to src/main/kotlin/racingcar/view/ResultView.kt
index db57b55818..75e8b848d7 100644
--- a/src/main/kotlin/racingcar/ResultView.kt
+++ b/src/main/kotlin/racingcar/view/ResultView.kt
@@ -1,4 +1,6 @@
-package racingcar
+package racingcar.view
+
+import racingcar.domain.Car
 
 object ResultView {
     fun print(cars: List<Car>) {
diff --git a/src/test/kotlin/racingcar/CarTest.kt b/src/test/kotlin/racingcar/CarTest.kt
index ba395c0de4..6e5f86a203 100644
--- a/src/test/kotlin/racingcar/CarTest.kt
+++ b/src/test/kotlin/racingcar/CarTest.kt
@@ -2,6 +2,7 @@ package racingcar
 
 import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.shouldBe
+import racingcar.domain.Car
 
 class CarTest : StringSpec({
 
diff --git a/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt b/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
index b0a9a8d292..2498c72104 100644
--- a/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
+++ b/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
@@ -2,6 +2,7 @@ package racingcar
 
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
+import racingcar.domain.MovingJudgeRule
 
 class MovingJudgeRuleTest : BehaviorSpec({
 
diff --git a/src/test/kotlin/racingcar/MovingStrategyTest.kt b/src/test/kotlin/racingcar/MovingStrategyTest.kt
index 3e8cbcd0fa..67f9e27558 100644
--- a/src/test/kotlin/racingcar/MovingStrategyTest.kt
+++ b/src/test/kotlin/racingcar/MovingStrategyTest.kt
@@ -2,6 +2,7 @@ package racingcar
 
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
+import racingcar.domain.MovingStrategy
 
 class MovingStrategyTest : BehaviorSpec({
 
diff --git a/src/test/kotlin/racingcar/RacingGameTest.kt b/src/test/kotlin/racingcar/RacingGameTest.kt
index 3edc4447ab..1476d35b5f 100644
--- a/src/test/kotlin/racingcar/RacingGameTest.kt
+++ b/src/test/kotlin/racingcar/RacingGameTest.kt
@@ -4,6 +4,9 @@ import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.shouldBe
 import io.mockk.every
 import io.mockk.mockk
+import racingcar.domain.Car
+import racingcar.domain.NumberGenerator
+import racingcar.domain.RacingGame
 
 class RacingGameTest : StringSpec({
     "레이싱 게임은 매 횟수마다 자동차의 현재 위치를 보여줘요" {

From 0a9c80e7c19e69f10a2b8659cd81bf65f2c818a9 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 19:52:06 +0900
Subject: [PATCH 03/10] =?UTF-8?q?docs:=20step4=20=EC=9A=94=EA=B5=AC?=
 =?UTF-8?q?=EC=82=AC=ED=95=AD=20=EB=B0=98=EC=98=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/racingcar/README.md b/src/main/kotlin/racingcar/README.md
index 7b9fcf814a..6f73bf2fde 100644
--- a/src/main/kotlin/racingcar/README.md
+++ b/src/main/kotlin/racingcar/README.md
@@ -12,10 +12,13 @@
 
 ### 레이싱 게임 (Racing Game)
 - [x] 레이싱 게임은 자동차의 대수와 시도할 횟수를 입력할 수 있어요.
-- [x] 레이싱 게임은 매 횟수마다 자동차의 현재 위치를 보여줘요.
+- [ ] 레이싱 게임은 자동차의 이름을 쉽표로 구분해요.
+- [ ] 레이싱 게임은 매 횟수마다 자동차의 이름과 현재 위치를 보여줘요.
 
 #### 자동차 (Car)
 - [x] 자동차는 입력한 숫자에 따라 이동해요.
   - [x] 0~3의 숫자를 입력하면 자동차는 멈춰요.
   - [x] 4 이상의 숫자를 입력하면 자동차는 1만큼 전진해요.
+- [ ] 자동차는 이름을 가질 수 있어요.
+  - [ ] 자동차의 이름은 5자를 초과할 수 없어요.
 - [x] 자동차는 자신이 이동한 거리를 알 수 있어요.
\ No newline at end of file

From 530906b55d7585a611fbbe01e311f45dff259b3b Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 20:05:30 +0900
Subject: [PATCH 04/10] =?UTF-8?q?feat:=20=EC=9E=90=EB=8F=99=EC=B0=A8?=
 =?UTF-8?q?=EB=8A=94=20=EC=9D=B4=EB=A6=84=EC=9D=84=20=EA=B0=80=EC=A7=88=20?=
 =?UTF-8?q?=EC=88=98=20=EC=9E=88=EC=96=B4=EC=9A=94.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/README.md                 | 2 +-
 src/main/kotlin/racingcar/domain/Car.kt             | 3 ++-
 src/main/kotlin/racingcar/domain/NumberGenerator.kt | 2 +-
 src/test/kotlin/racingcar/CarTest.kt                | 6 +++---
 src/test/kotlin/racingcar/RacingGameTest.kt         | 4 ++--
 5 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/main/kotlin/racingcar/README.md b/src/main/kotlin/racingcar/README.md
index 6f73bf2fde..5b92a4564f 100644
--- a/src/main/kotlin/racingcar/README.md
+++ b/src/main/kotlin/racingcar/README.md
@@ -19,6 +19,6 @@
 - [x] 자동차는 입력한 숫자에 따라 이동해요.
   - [x] 0~3의 숫자를 입력하면 자동차는 멈춰요.
   - [x] 4 이상의 숫자를 입력하면 자동차는 1만큼 전진해요.
-- [ ] 자동차는 이름을 가질 수 있어요.
+- [x] 자동차는 이름을 가질 수 있어요.
   - [ ] 자동차의 이름은 5자를 초과할 수 없어요.
 - [x] 자동차는 자신이 이동한 거리를 알 수 있어요.
\ No newline at end of file
diff --git a/src/main/kotlin/racingcar/domain/Car.kt b/src/main/kotlin/racingcar/domain/Car.kt
index 2235bc4ca7..42de4c774d 100644
--- a/src/main/kotlin/racingcar/domain/Car.kt
+++ b/src/main/kotlin/racingcar/domain/Car.kt
@@ -2,12 +2,13 @@ package racingcar.domain
 
 class Car(
     private var _location: Int = 0,
+    val name: String,
 ) {
     val location
         get() = _location
     fun move(number: Int) {
         val rule = MovingJudgeRule.judge(number)
         val strategy = rule.strategy
-        _location = strategy.move(location)
+        _location = strategy.move(_location)
     }
 }
diff --git a/src/main/kotlin/racingcar/domain/NumberGenerator.kt b/src/main/kotlin/racingcar/domain/NumberGenerator.kt
index cda24acc74..19d8f11577 100644
--- a/src/main/kotlin/racingcar/domain/NumberGenerator.kt
+++ b/src/main/kotlin/racingcar/domain/NumberGenerator.kt
@@ -11,6 +11,6 @@ class RacingCarNumberGenerator : NumberGenerator {
 
     companion object {
         private const val RAND_NUMBER_START_BOUND = 0
-        private const val RAND_NUMBER_END_BOUND = 0
+        private const val RAND_NUMBER_END_BOUND = 9
     }
 }
diff --git a/src/test/kotlin/racingcar/CarTest.kt b/src/test/kotlin/racingcar/CarTest.kt
index 6e5f86a203..b2bf0366e6 100644
--- a/src/test/kotlin/racingcar/CarTest.kt
+++ b/src/test/kotlin/racingcar/CarTest.kt
@@ -7,13 +7,13 @@ import racingcar.domain.Car
 class CarTest : StringSpec({
 
     "자동차의 처음 위치는 0이에요" {
-        val car = Car()
+        val car = Car(name = "car")
         car.location shouldBe 0
     }
 
     "자동차는 4 ~ 9의 숫자일 때 1 만큼 이동해요" {
         (4..9).forEach { number ->
-            val car = Car()
+            val car = Car(name = "car")
             car.move(number)
 
             car.location shouldBe 1
@@ -22,7 +22,7 @@ class CarTest : StringSpec({
 
     "자동차는 0~3의 숫자일 때 이동하지 않아요" {
         (0..3).forEach { number ->
-            val car = Car()
+            val car = Car(name = "car")
             car.move(number)
 
             car.location shouldBe 0
diff --git a/src/test/kotlin/racingcar/RacingGameTest.kt b/src/test/kotlin/racingcar/RacingGameTest.kt
index 1476d35b5f..6a5f08253d 100644
--- a/src/test/kotlin/racingcar/RacingGameTest.kt
+++ b/src/test/kotlin/racingcar/RacingGameTest.kt
@@ -14,12 +14,12 @@ class RacingGameTest : StringSpec({
         every { mockNumberGenerator.rand() } returns 0
 
         val racingGame = RacingGame(
-            cars = listOf(Car(0)),
+            cars = listOf(Car(0, "car")),
             numberGenerator = mockNumberGenerator
         )
 
         val car = racingGame.round()[0]
 
-        car.currentLocation() shouldBe 0
+        car.location shouldBe 0
     }
 })

From 57b1c77a25d94b098db5718a636f9aea8ae52569 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 20:11:48 +0900
Subject: [PATCH 05/10] =?UTF-8?q?feat:=20=EB=A0=88=EC=9D=B4=EC=8B=B1=20?=
 =?UTF-8?q?=EA=B2=8C=EC=9E=84=EC=9D=80=20=EC=9E=90=EB=8F=99=EC=B0=A8?=
 =?UTF-8?q?=EC=9D=98=20=EC=9D=B4=EB=A6=84=EC=9D=84=20=EC=89=BD=ED=91=9C?=
 =?UTF-8?q?=EB=A1=9C=20=EA=B5=AC=EB=B6=84=ED=95=B4=EC=9A=94.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/README.md          |  6 +++---
 src/main/kotlin/racingcar/view/InputView.kt  | 21 +++++++++++++++++---
 src/main/kotlin/racingcar/view/ResultView.kt |  1 +
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/main/kotlin/racingcar/README.md b/src/main/kotlin/racingcar/README.md
index 5b92a4564f..eb3ba9eb45 100644
--- a/src/main/kotlin/racingcar/README.md
+++ b/src/main/kotlin/racingcar/README.md
@@ -12,13 +12,13 @@
 
 ### 레이싱 게임 (Racing Game)
 - [x] 레이싱 게임은 자동차의 대수와 시도할 횟수를 입력할 수 있어요.
-- [ ] 레이싱 게임은 자동차의 이름을 쉽표로 구분해요.
-- [ ] 레이싱 게임은 매 횟수마다 자동차의 이름과 현재 위치를 보여줘요.
+- [x] 레이싱 게임은 자동차의 이름을 쉽표로 구분해요.
+- [x] 레이싱 게임은 매 횟수마다 자동차의 이름과 현재 위치를 보여줘요.
 
 #### 자동차 (Car)
 - [x] 자동차는 입력한 숫자에 따라 이동해요.
   - [x] 0~3의 숫자를 입력하면 자동차는 멈춰요.
   - [x] 4 이상의 숫자를 입력하면 자동차는 1만큼 전진해요.
 - [x] 자동차는 이름을 가질 수 있어요.
-  - [ ] 자동차의 이름은 5자를 초과할 수 없어요.
+  - [x] 자동차의 이름은 5자를 초과할 수 없어요.
 - [x] 자동차는 자신이 이동한 거리를 알 수 있어요.
\ No newline at end of file
diff --git a/src/main/kotlin/racingcar/view/InputView.kt b/src/main/kotlin/racingcar/view/InputView.kt
index dcab2c483f..41d0295d2b 100644
--- a/src/main/kotlin/racingcar/view/InputView.kt
+++ b/src/main/kotlin/racingcar/view/InputView.kt
@@ -2,13 +2,20 @@ package racingcar.view
 
 import racingcar.domain.Car
 
+private const val VALID_CAR_NAME_LENGTH = 5
+
 object InputView {
     fun readCars(): List<Car> {
-        println("자동차 대수는 몇 대인가요?")
+        println("경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).")
+        val names = parseCarName(readln())
 
         val list = mutableListOf<Car>()
-        repeat(readln().toInt()) {
-            list.add(Car())
+        for(name in names) {
+            require(isValidLength(name)) { "글자수는 5자를 넘을 수 없어요" }
+
+            list.add(
+                Car(name = name)
+            )
         }
 
         return list
@@ -18,4 +25,12 @@ object InputView {
         println("시도할 횟수는 몇 회인가요?")
         return readln().toInt()
     }
+
+    private fun isValidLength(name: String): Boolean {
+        return name.length <= VALID_CAR_NAME_LENGTH
+    }
+
+    private fun parseCarName(input :String): List<String> {
+        return input.split(",")
+    }
 }
diff --git a/src/main/kotlin/racingcar/view/ResultView.kt b/src/main/kotlin/racingcar/view/ResultView.kt
index 75e8b848d7..ba793830ee 100644
--- a/src/main/kotlin/racingcar/view/ResultView.kt
+++ b/src/main/kotlin/racingcar/view/ResultView.kt
@@ -6,6 +6,7 @@ object ResultView {
     fun print(cars: List<Car>) {
         for (car in cars) {
             val location = car.location
+            print(car.name + " : ")
             repeat(location) { print("-") }
             println()
         }

From 79f0885768878b02e20331021acb648d8a9e356b Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 20:15:34 +0900
Subject: [PATCH 06/10] =?UTF-8?q?refactor:=20=ED=8C=A8=ED=82=A4=EC=A7=80?=
 =?UTF-8?q?=20=EC=9C=84=EC=B9=98=20=EC=9B=90=EB=9E=98=EB=8C=80=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Application.kt                  | 5 -----
 src/main/kotlin/racingcar/{domain => }/Car.kt             | 2 +-
 src/main/kotlin/racingcar/{view => }/InputView.kt         | 8 +++-----
 src/main/kotlin/racingcar/{domain => }/MovingJudgeRule.kt | 2 +-
 src/main/kotlin/racingcar/{domain => }/MovingStrategy.kt  | 2 +-
 src/main/kotlin/racingcar/{domain => }/NumberGenerator.kt | 2 +-
 src/main/kotlin/racingcar/{domain => }/RacingGame.kt      | 2 +-
 src/main/kotlin/racingcar/{view => }/ResultView.kt        | 4 +---
 src/test/kotlin/racingcar/CarTest.kt                      | 1 -
 src/test/kotlin/racingcar/MovingJudgeRuleTest.kt          | 1 -
 src/test/kotlin/racingcar/MovingStrategyTest.kt           | 1 -
 src/test/kotlin/racingcar/RacingGameTest.kt               | 3 ---
 12 files changed, 9 insertions(+), 24 deletions(-)
 rename src/main/kotlin/racingcar/{domain => }/Car.kt (91%)
 rename src/main/kotlin/racingcar/{view => }/InputView.kt (84%)
 rename src/main/kotlin/racingcar/{domain => }/MovingJudgeRule.kt (96%)
 rename src/main/kotlin/racingcar/{domain => }/MovingStrategy.kt (92%)
 rename src/main/kotlin/racingcar/{domain => }/NumberGenerator.kt (93%)
 rename src/main/kotlin/racingcar/{domain => }/RacingGame.kt (91%)
 rename src/main/kotlin/racingcar/{view => }/ResultView.kt (83%)

diff --git a/src/main/kotlin/racingcar/Application.kt b/src/main/kotlin/racingcar/Application.kt
index 09699db74c..591506b07f 100644
--- a/src/main/kotlin/racingcar/Application.kt
+++ b/src/main/kotlin/racingcar/Application.kt
@@ -1,10 +1,5 @@
 package racingcar
 
-import racingcar.domain.RacingCarNumberGenerator
-import racingcar.domain.RacingGame
-import racingcar.view.InputView
-import racingcar.view.ResultView
-
 fun main() {
     val cars = InputView.readCars()
     val roundCount = InputView.readRoundCount()
diff --git a/src/main/kotlin/racingcar/domain/Car.kt b/src/main/kotlin/racingcar/Car.kt
similarity index 91%
rename from src/main/kotlin/racingcar/domain/Car.kt
rename to src/main/kotlin/racingcar/Car.kt
index 42de4c774d..8e34b6770a 100644
--- a/src/main/kotlin/racingcar/domain/Car.kt
+++ b/src/main/kotlin/racingcar/Car.kt
@@ -1,4 +1,4 @@
-package racingcar.domain
+package racingcar
 
 class Car(
     private var _location: Int = 0,
diff --git a/src/main/kotlin/racingcar/view/InputView.kt b/src/main/kotlin/racingcar/InputView.kt
similarity index 84%
rename from src/main/kotlin/racingcar/view/InputView.kt
rename to src/main/kotlin/racingcar/InputView.kt
index 41d0295d2b..97d6373295 100644
--- a/src/main/kotlin/racingcar/view/InputView.kt
+++ b/src/main/kotlin/racingcar/InputView.kt
@@ -1,6 +1,4 @@
-package racingcar.view
-
-import racingcar.domain.Car
+package racingcar
 
 private const val VALID_CAR_NAME_LENGTH = 5
 
@@ -10,7 +8,7 @@ object InputView {
         val names = parseCarName(readln())
 
         val list = mutableListOf<Car>()
-        for(name in names) {
+        for (name in names) {
             require(isValidLength(name)) { "글자수는 5자를 넘을 수 없어요" }
 
             list.add(
@@ -30,7 +28,7 @@ object InputView {
         return name.length <= VALID_CAR_NAME_LENGTH
     }
 
-    private fun parseCarName(input :String): List<String> {
+    private fun parseCarName(input: String): List<String> {
         return input.split(",")
     }
 }
diff --git a/src/main/kotlin/racingcar/domain/MovingJudgeRule.kt b/src/main/kotlin/racingcar/MovingJudgeRule.kt
similarity index 96%
rename from src/main/kotlin/racingcar/domain/MovingJudgeRule.kt
rename to src/main/kotlin/racingcar/MovingJudgeRule.kt
index c52aa2bc79..2b8bfe00a2 100644
--- a/src/main/kotlin/racingcar/domain/MovingJudgeRule.kt
+++ b/src/main/kotlin/racingcar/MovingJudgeRule.kt
@@ -1,4 +1,4 @@
-package racingcar.domain
+package racingcar
 
 enum class MovingJudgeRule(
     private val expression: (Int) -> (Boolean),
diff --git a/src/main/kotlin/racingcar/domain/MovingStrategy.kt b/src/main/kotlin/racingcar/MovingStrategy.kt
similarity index 92%
rename from src/main/kotlin/racingcar/domain/MovingStrategy.kt
rename to src/main/kotlin/racingcar/MovingStrategy.kt
index 1aa22acaaf..c6ee9a8eb3 100644
--- a/src/main/kotlin/racingcar/domain/MovingStrategy.kt
+++ b/src/main/kotlin/racingcar/MovingStrategy.kt
@@ -1,4 +1,4 @@
-package racingcar.domain
+package racingcar
 
 enum class MovingStrategy(
     private val expression: (Int) -> (Int)
diff --git a/src/main/kotlin/racingcar/domain/NumberGenerator.kt b/src/main/kotlin/racingcar/NumberGenerator.kt
similarity index 93%
rename from src/main/kotlin/racingcar/domain/NumberGenerator.kt
rename to src/main/kotlin/racingcar/NumberGenerator.kt
index 19d8f11577..80a1b470e4 100644
--- a/src/main/kotlin/racingcar/domain/NumberGenerator.kt
+++ b/src/main/kotlin/racingcar/NumberGenerator.kt
@@ -1,4 +1,4 @@
-package racingcar.domain
+package racingcar
 
 interface NumberGenerator {
     fun rand(): Int
diff --git a/src/main/kotlin/racingcar/domain/RacingGame.kt b/src/main/kotlin/racingcar/RacingGame.kt
similarity index 91%
rename from src/main/kotlin/racingcar/domain/RacingGame.kt
rename to src/main/kotlin/racingcar/RacingGame.kt
index 9e990bbe3e..a2cebbf422 100644
--- a/src/main/kotlin/racingcar/domain/RacingGame.kt
+++ b/src/main/kotlin/racingcar/RacingGame.kt
@@ -1,4 +1,4 @@
-package racingcar.domain
+package racingcar
 
 class RacingGame(
     private val cars: List<Car>,
diff --git a/src/main/kotlin/racingcar/view/ResultView.kt b/src/main/kotlin/racingcar/ResultView.kt
similarity index 83%
rename from src/main/kotlin/racingcar/view/ResultView.kt
rename to src/main/kotlin/racingcar/ResultView.kt
index ba793830ee..192c8c42ec 100644
--- a/src/main/kotlin/racingcar/view/ResultView.kt
+++ b/src/main/kotlin/racingcar/ResultView.kt
@@ -1,6 +1,4 @@
-package racingcar.view
-
-import racingcar.domain.Car
+package racingcar
 
 object ResultView {
     fun print(cars: List<Car>) {
diff --git a/src/test/kotlin/racingcar/CarTest.kt b/src/test/kotlin/racingcar/CarTest.kt
index b2bf0366e6..31736c1e08 100644
--- a/src/test/kotlin/racingcar/CarTest.kt
+++ b/src/test/kotlin/racingcar/CarTest.kt
@@ -2,7 +2,6 @@ package racingcar
 
 import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.shouldBe
-import racingcar.domain.Car
 
 class CarTest : StringSpec({
 
diff --git a/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt b/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
index 2498c72104..b0a9a8d292 100644
--- a/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
+++ b/src/test/kotlin/racingcar/MovingJudgeRuleTest.kt
@@ -2,7 +2,6 @@ package racingcar
 
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
-import racingcar.domain.MovingJudgeRule
 
 class MovingJudgeRuleTest : BehaviorSpec({
 
diff --git a/src/test/kotlin/racingcar/MovingStrategyTest.kt b/src/test/kotlin/racingcar/MovingStrategyTest.kt
index 67f9e27558..3e8cbcd0fa 100644
--- a/src/test/kotlin/racingcar/MovingStrategyTest.kt
+++ b/src/test/kotlin/racingcar/MovingStrategyTest.kt
@@ -2,7 +2,6 @@ package racingcar
 
 import io.kotest.core.spec.style.BehaviorSpec
 import io.kotest.matchers.shouldBe
-import racingcar.domain.MovingStrategy
 
 class MovingStrategyTest : BehaviorSpec({
 
diff --git a/src/test/kotlin/racingcar/RacingGameTest.kt b/src/test/kotlin/racingcar/RacingGameTest.kt
index 6a5f08253d..e90f399d1b 100644
--- a/src/test/kotlin/racingcar/RacingGameTest.kt
+++ b/src/test/kotlin/racingcar/RacingGameTest.kt
@@ -4,9 +4,6 @@ import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.shouldBe
 import io.mockk.every
 import io.mockk.mockk
-import racingcar.domain.Car
-import racingcar.domain.NumberGenerator
-import racingcar.domain.RacingGame
 
 class RacingGameTest : StringSpec({
     "레이싱 게임은 매 횟수마다 자동차의 현재 위치를 보여줘요" {

From 9ab2acd2bd20aaaefc432a76a6758c7ffd198827 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 21:39:56 +0900
Subject: [PATCH 07/10] =?UTF-8?q?refactor:=20=EC=9E=90=EB=8F=99=EC=B0=A8?=
 =?UTF-8?q?=20=EC=9D=B4=EB=A6=84=20=EA=B8=B8=EC=9D=B4=20=EA=B2=80=EC=A6=9D?=
 =?UTF-8?q?=EC=9D=84=20Car=20=ED=81=B4=EB=9E=98=EC=8A=A4=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Car.kt       | 12 ++++++++++++
 src/main/kotlin/racingcar/InputView.kt |  8 --------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/main/kotlin/racingcar/Car.kt b/src/main/kotlin/racingcar/Car.kt
index 8e34b6770a..4f00ff249e 100644
--- a/src/main/kotlin/racingcar/Car.kt
+++ b/src/main/kotlin/racingcar/Car.kt
@@ -4,6 +4,10 @@ class Car(
     private var _location: Int = 0,
     val name: String,
 ) {
+    init {
+        require(isValidLength(name)) { "글자수는 5자를 넘을 수 없어요" }
+    }
+
     val location
         get() = _location
     fun move(number: Int) {
@@ -11,4 +15,12 @@ class Car(
         val strategy = rule.strategy
         _location = strategy.move(_location)
     }
+
+    private fun isValidLength(name: String): Boolean {
+        return name.length <= VALID_CAR_NAME_LENGTH
+    }
+
+    companion object {
+        private const val VALID_CAR_NAME_LENGTH = 5
+    }
 }
diff --git a/src/main/kotlin/racingcar/InputView.kt b/src/main/kotlin/racingcar/InputView.kt
index 97d6373295..bcd8a80f39 100644
--- a/src/main/kotlin/racingcar/InputView.kt
+++ b/src/main/kotlin/racingcar/InputView.kt
@@ -1,7 +1,5 @@
 package racingcar
 
-private const val VALID_CAR_NAME_LENGTH = 5
-
 object InputView {
     fun readCars(): List<Car> {
         println("경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).")
@@ -9,8 +7,6 @@ object InputView {
 
         val list = mutableListOf<Car>()
         for (name in names) {
-            require(isValidLength(name)) { "글자수는 5자를 넘을 수 없어요" }
-
             list.add(
                 Car(name = name)
             )
@@ -24,10 +20,6 @@ object InputView {
         return readln().toInt()
     }
 
-    private fun isValidLength(name: String): Boolean {
-        return name.length <= VALID_CAR_NAME_LENGTH
-    }
-
     private fun parseCarName(input: String): List<String> {
         return input.split(",")
     }

From 3dcd8df6580539857a62c29aab61bc198ee2d6c1 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 22:19:06 +0900
Subject: [PATCH 08/10] =?UTF-8?q?feat:=20=20=EB=A0=88=EC=9D=B4=EC=8B=B1=20?=
 =?UTF-8?q?=EA=B2=8C=EC=9E=84=EC=97=90=EC=84=9C=20=EC=B0=B8=EC=97=AC?=
 =?UTF-8?q?=ED=95=98=EB=8A=94=20=EC=9E=90=EB=8F=99=EC=B0=A8=EB=8A=94=201?=
 =?UTF-8?q?=EB=8C=80=20=EC=9D=B4=EC=83=81=EC=9D=B4=EC=96=B4=EC=95=BC=20?=
 =?UTF-8?q?=ED=95=A9=EB=8B=88=EB=8B=A4.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/README.md         |  1 +
 src/main/kotlin/racingcar/RacingGame.kt     |  8 ++++++++
 src/test/kotlin/racingcar/RacingGameTest.kt | 14 ++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/src/main/kotlin/racingcar/README.md b/src/main/kotlin/racingcar/README.md
index eb3ba9eb45..40391cc747 100644
--- a/src/main/kotlin/racingcar/README.md
+++ b/src/main/kotlin/racingcar/README.md
@@ -11,6 +11,7 @@
 - [x] 숫자 생성기 0 ~ 9 사이의 무작위한 값을 생성해요.
 
 ### 레이싱 게임 (Racing Game)
+- [x] 레이싱 게임에서 참여하는 자동차는 1대 이상이어야 합니다.
 - [x] 레이싱 게임은 자동차의 대수와 시도할 횟수를 입력할 수 있어요.
 - [x] 레이싱 게임은 자동차의 이름을 쉽표로 구분해요.
 - [x] 레이싱 게임은 매 횟수마다 자동차의 이름과 현재 위치를 보여줘요.
diff --git a/src/main/kotlin/racingcar/RacingGame.kt b/src/main/kotlin/racingcar/RacingGame.kt
index a2cebbf422..e045454787 100644
--- a/src/main/kotlin/racingcar/RacingGame.kt
+++ b/src/main/kotlin/racingcar/RacingGame.kt
@@ -4,6 +4,11 @@ class RacingGame(
     private val cars: List<Car>,
     private val numberGenerator: NumberGenerator,
 ) {
+
+    init {
+        requireCarExist(cars)
+    }
+
     fun round(): List<Car> {
         for (car in cars) {
             val randNumber = numberGenerator.rand()
@@ -12,4 +17,7 @@ class RacingGame(
 
         return cars
     }
+    private fun requireCarExist(cars: List<Car>) {
+        require(cars.isNotEmpty()) { "레이싱 게임에서 참여하는 자동차는 1대 이상이어야 합니다." }
+    }
 }
diff --git a/src/test/kotlin/racingcar/RacingGameTest.kt b/src/test/kotlin/racingcar/RacingGameTest.kt
index e90f399d1b..534251dcc5 100644
--- a/src/test/kotlin/racingcar/RacingGameTest.kt
+++ b/src/test/kotlin/racingcar/RacingGameTest.kt
@@ -4,6 +4,8 @@ import io.kotest.core.spec.style.StringSpec
 import io.kotest.matchers.shouldBe
 import io.mockk.every
 import io.mockk.mockk
+import org.junit.jupiter.api.assertThrows
+import java.lang.IllegalArgumentException
 
 class RacingGameTest : StringSpec({
     "레이싱 게임은 매 횟수마다 자동차의 현재 위치를 보여줘요" {
@@ -19,4 +21,16 @@ class RacingGameTest : StringSpec({
 
         car.location shouldBe 0
     }
+
+    "레이싱 게임에 참여하는 자동차는 1대 이상이어야 합니다." {
+        assertThrows<IllegalArgumentException> {
+            val mockNumberGenerator = mockk<NumberGenerator>()
+            every { mockNumberGenerator.rand() } returns 0
+
+            val racingGame = RacingGame(
+                cars = listOf(),
+                numberGenerator = mockNumberGenerator
+            )
+        }
+    }
 })

From 82e4a62d737f4e501a247332d234db2dffaec2f7 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 22:25:15 +0900
Subject: [PATCH 09/10] =?UTF-8?q?chore:=20=EC=9E=90=EB=8F=99=EC=B0=A8=20?=
 =?UTF-8?q?=EA=B8=B0=EB=B3=B8=20=EC=9C=84=EC=B9=98=EB=A5=BC=20=EC=83=81?=
 =?UTF-8?q?=EC=88=98=EB=A1=9C=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Car.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/racingcar/Car.kt b/src/main/kotlin/racingcar/Car.kt
index 4f00ff249e..295c0c3a10 100644
--- a/src/main/kotlin/racingcar/Car.kt
+++ b/src/main/kotlin/racingcar/Car.kt
@@ -1,7 +1,7 @@
 package racingcar
 
 class Car(
-    private var _location: Int = 0,
+    private var _location: Int = DEFAULT_CAR_LOCATION,
     val name: String,
 ) {
     init {
@@ -21,6 +21,7 @@ class Car(
     }
 
     companion object {
+        private const val DEFAULT_CAR_LOCATION = 0
         private const val VALID_CAR_NAME_LENGTH = 5
     }
 }

From 7c6de4924ae41b6f2347e0ddf374c83a98345ea0 Mon Sep 17 00:00:00 2001
From: riyenas0925 <riyenas0925@gmail.com>
Date: Sun, 20 Nov 2022 22:37:28 +0900
Subject: [PATCH 10/10] =?UTF-8?q?feat:=20=EB=A0=88=EC=9D=B4=EC=8B=B1=20?=
 =?UTF-8?q?=EA=B2=8C=EC=9E=84=20=EC=9A=B0=EC=8A=B9=EC=9E=90=20=EA=B5=AC?=
 =?UTF-8?q?=ED=98=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/kotlin/racingcar/Application.kt | 5 ++++-
 src/main/kotlin/racingcar/RacingGame.kt  | 8 ++++++++
 src/main/kotlin/racingcar/ResultView.kt  | 6 +++++-
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/src/main/kotlin/racingcar/Application.kt b/src/main/kotlin/racingcar/Application.kt
index 591506b07f..64d2036264 100644
--- a/src/main/kotlin/racingcar/Application.kt
+++ b/src/main/kotlin/racingcar/Application.kt
@@ -11,6 +11,9 @@ fun main() {
 
     repeat(roundCount) {
         val drivingCars = racingGame.round()
-        ResultView.print(drivingCars)
+        ResultView.printLocation(drivingCars)
     }
+
+    val winners = racingGame.judge()
+    ResultView.printWinner(winners)
 }
diff --git a/src/main/kotlin/racingcar/RacingGame.kt b/src/main/kotlin/racingcar/RacingGame.kt
index e045454787..20b0446a6f 100644
--- a/src/main/kotlin/racingcar/RacingGame.kt
+++ b/src/main/kotlin/racingcar/RacingGame.kt
@@ -17,6 +17,14 @@ class RacingGame(
 
         return cars
     }
+
+    fun judge(): List<Car> {
+        val maxLocation = cars.maxOf { it.location }
+        return cars.filter {
+            it.location == maxLocation
+        }
+    }
+
     private fun requireCarExist(cars: List<Car>) {
         require(cars.isNotEmpty()) { "레이싱 게임에서 참여하는 자동차는 1대 이상이어야 합니다." }
     }
diff --git a/src/main/kotlin/racingcar/ResultView.kt b/src/main/kotlin/racingcar/ResultView.kt
index 192c8c42ec..0e2dd93046 100644
--- a/src/main/kotlin/racingcar/ResultView.kt
+++ b/src/main/kotlin/racingcar/ResultView.kt
@@ -1,7 +1,7 @@
 package racingcar
 
 object ResultView {
-    fun print(cars: List<Car>) {
+    fun printLocation(cars: List<Car>) {
         for (car in cars) {
             val location = car.location
             print(car.name + " : ")
@@ -10,4 +10,8 @@ object ResultView {
         }
         println()
     }
+
+    fun printWinner(cars: List<Car>) {
+        println("${cars.joinToString { it.name }}가 최종 우승했습니다.")
+    }
 }