From d88874790da1b78f3574be05c7b8381bfc094913 Mon Sep 17 00:00:00 2001
From: hamhyeongju <gudwn357@gmail.com>
Date: Sat, 21 Sep 2024 03:24:30 +0900
Subject: [PATCH 01/11] update : optimize code

---
 .idea/gradle.xml                         |  4 +++-
 .idea/misc.xml                           |  2 +-
 src/main/java/ladder/Node.java           |  2 +-
 src/main/java/ladder/Row.java            |  2 +-
 src/test/java/ladder/LadderGameTest.java | 12 ++++++------
 5 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 2a65317..7608708 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,8 +4,10 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="delegatedBuild" value="false" />
+        <option name="testRunner" value="PLATFORM" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="" />
+        <option name="gradleJvm" value="21" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8f86b33..3b1268e 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="homebrew-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="homebrew-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/ladder/Node.java b/src/main/java/ladder/Node.java
index 2364eeb..3291e62 100644
--- a/src/main/java/ladder/Node.java
+++ b/src/main/java/ladder/Node.java
@@ -34,7 +34,7 @@ public void setLeftNode() {
     }
 
     public boolean isAlreadySetDirection() {
-        return isNone();
+        return !isNone();
     }
 
     private boolean isRight() {
diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
index a14cc75..1be0477 100644
--- a/src/main/java/ladder/Row.java
+++ b/src/main/java/ladder/Row.java
@@ -48,7 +48,7 @@ private boolean isInvalidPosition(Position position) {
     }
 
     private boolean isLineAtPosition(Position position) {
-        return !nodes[position.getValue()].isAlreadySetDirection();
+        return nodes[position.getValue()].isAlreadySetDirection();
     }
 
     private boolean isLineAtNextPosition(Position position) {
diff --git a/src/test/java/ladder/LadderGameTest.java b/src/test/java/ladder/LadderGameTest.java
index 2a02742..aa93e5f 100644
--- a/src/test/java/ladder/LadderGameTest.java
+++ b/src/test/java/ladder/LadderGameTest.java
@@ -25,13 +25,13 @@ class LadderGameTest {
         //when
         GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
         LadderCreator ladderCreator = new LadderCreator(GreaterThanOne.from(2), numberOfPerson);
-        LadderRunner ladderRunner = new LadderRunner(ladderCreator.getRows());
+        LadderGame ladderGame = new LadderGame(ladderCreator);
 
         //given
         Position position = Position.from(4);
 
         //then
-        assertThatThrownBy(() -> ladderRunner.run(position))
+        assertThatThrownBy(() -> ladderGame.run(position))
                 .isInstanceOf(IllegalArgumentException.class);
     }
 
@@ -41,7 +41,7 @@ class LadderGameTest {
         GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
         GreaterThanOne row = GreaterThanOne.from(3);
         LadderCreator ladderCreator = new LadderCreator(row, numberOfPerson);
-        LadderRunner ladderRunner = new LadderRunner(ladderCreator.getRows());
+        LadderGame ladderGame = new LadderGame(ladderCreator);
 
         ladderCreator.drawLine(Position.from(0),Position.from(0));
         ladderCreator.drawLine(Position.from(1),Position.from(1));
@@ -51,18 +51,18 @@ class LadderGameTest {
         Position position = Position.from(0);
 
         //then
-        assertThat(ladderRunner.run(position)).isEqualTo(2);
+        assertThat(ladderGame.run(position)).isEqualTo(2);
 
         //given
         position = Position.from(1);
 
         //then
-        assertThat(ladderRunner.run(position)).isEqualTo(1);
+        assertThat(ladderGame.run(position)).isEqualTo(1);
 
         //given
         position = Position.from(2);
 
         //then
-        assertThat(ladderRunner.run(position)).isEqualTo(0);
+        assertThat(ladderGame.run(position)).isEqualTo(0);
     }
 }
\ No newline at end of file

From 9757128fbfaefedbcedc530e77f3101b629ccd14 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Mon, 23 Sep 2024 23:41:38 +0900
Subject: [PATCH 02/11] =?UTF-8?q?jdk=2021=20=EB=B3=80=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/.name | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 .idea/.name

diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..51f9fd7
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+kuit-ladder
\ No newline at end of file

From 9f0adabb3d556c13b477c0641fcdbee03d6314f6 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Tue, 24 Sep 2024 00:06:06 +0900
Subject: [PATCH 03/11] =?UTF-8?q?jdk=2021=20=EB=B3=80=EA=B2=BD2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/encodings.xml | 6 ++++++
 .idea/misc.xml      | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .idea/encodings.xml

diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..97626ba
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 3b1268e..f16dea7 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" project-jdk-name="homebrew-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file

From 8417f347a3ad2dc78f8ae290d83161795129355b Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Wed, 25 Sep 2024 20:48:40 +0900
Subject: [PATCH 04/11] =?UTF-8?q?=EC=97=B0=EA=B2=B0=20=ED=99=95=EC=9D=B8?=
 =?UTF-8?q?=20test?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/LadderRunner.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index dc1e121..4fbdc75 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -9,6 +9,7 @@ public LadderRunner(Row[] rows) {
     }
 
     public int run(Position position) {
+        //연결 test
         for (int i = 0; i < rows.length; i++) {
             rows[i].nextPosition(position);
         }

From 26b7f9b70b0dff7f179f02aadeba82584f382ead Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Wed, 25 Sep 2024 20:49:30 +0900
Subject: [PATCH 05/11] =?UTF-8?q?=EC=97=B0=EA=B2=B0=20=ED=99=95=EC=9D=B8?=
 =?UTF-8?q?=20test=3F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/LadderRunner.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index 4fbdc75..6459677 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -9,7 +9,7 @@ public LadderRunner(Row[] rows) {
     }
 
     public int run(Position position) {
-        //연결 test
+        //연결 test?
         for (int i = 0; i < rows.length; i++) {
             rows[i].nextPosition(position);
         }

From deb2dd5bf3b202399eb116ab535bb3f6c85b9b7e Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Thu, 26 Sep 2024 20:57:44 +0900
Subject: [PATCH 06/11] =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EC=9A=94=EA=B5=AC?=
 =?UTF-8?q?=EC=82=AC=ED=95=AD2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/Flag.java                | 18 +++++
 src/main/java/ladder/LadderGame.java          |  1 +
 src/main/java/ladder/LadderRunner.java        | 25 ++++++-
 src/main/java/ladder/Node.java                | 13 ++++
 src/main/java/ladder/Row.java                 | 49 ++++++++++++-
 .../java/ladder/creator/LadderCreator.java    |  6 ++
 src/test/java/ladder/LadderGameTest.java      |  1 +
 src/test/java/ladder/RowTest.java             | 68 +++++++++++++++++++
 8 files changed, 179 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/ladder/Flag.java

diff --git a/src/main/java/ladder/Flag.java b/src/main/java/ladder/Flag.java
new file mode 100644
index 0000000..17a1e9a
--- /dev/null
+++ b/src/main/java/ladder/Flag.java
@@ -0,0 +1,18 @@
+package ladder;
+
+public enum Flag {
+
+    AFTER("After"),
+    BEFORE("Before");
+
+
+    private final String flag;
+
+    Flag(String flag) {
+        this.flag = flag;
+    }
+
+    public String getFlag() {
+        return flag;
+    }
+}
diff --git a/src/main/java/ladder/LadderGame.java b/src/main/java/ladder/LadderGame.java
index 717458e..43300af 100644
--- a/src/main/java/ladder/LadderGame.java
+++ b/src/main/java/ladder/LadderGame.java
@@ -7,6 +7,7 @@ public class LadderGame {
     private final LadderCreator ladderCreator;
 
     public LadderGame(LadderCreator ladderCreator) {
+        ladderCreator.setRowsString();                  //각 행 에 해당하는 문자열 생성
         this.ladderCreator = ladderCreator;
     }
 
diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index 6459677..1363326 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -1,5 +1,7 @@
 package ladder;
 
+import static ladder.Flag.*;
+
 public class LadderRunner {
 
     private final Row[] rows;
@@ -9,10 +11,31 @@ public LadderRunner(Row[] rows) {
     }
 
     public int run(Position position) {
-        //연결 test?
+        rows[0].validatePosition(position);             //지저분한데...
+        //사다리 출력
         for (int i = 0; i < rows.length; i++) {
+            printLadderRow(i, position, AFTER);      //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
             rows[i].nextPosition(position);
+            printLadderRow(i, position, BEFORE);
         }
+
         return position.getValue();
     }
+
+    //사다리 출력 함수
+    private void printLadderRow(int rowIndex, Position position, Flag flag){          //전체 사다리 출력 함수
+        StringBuilder sb = new StringBuilder("/n" + flag.getFlag() + "/n");
+
+        for(int i = 0; i < rows.length; i++) {
+            if(i != rowIndex){
+                sb.append(rows[rowIndex].getRowStringBuilder());
+            }
+            if(i == rowIndex){
+                sb.append(rows[rowIndex].getRowStringBuilder(position));
+            }
+        }
+
+        System.out.println(sb);
+    }
+
 }
diff --git a/src/main/java/ladder/Node.java b/src/main/java/ladder/Node.java
index 3291e62..0e8162c 100644
--- a/src/main/java/ladder/Node.java
+++ b/src/main/java/ladder/Node.java
@@ -25,6 +25,19 @@ public void move(Position position) {
         }
     }
 
+    public int getNodeValue(){
+        int get = 0;
+
+        if(isRight()){
+            get = 1;
+        }
+        if(isLeft()){
+            get = -1;
+        }
+
+        return get;
+    }
+
     public void setRightNode() {
         direction = RIGHT;
     }
diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
index 1be0477..cc580ae 100644
--- a/src/main/java/ladder/Row.java
+++ b/src/main/java/ladder/Row.java
@@ -4,6 +4,7 @@
 
 public class Row {
     private final Node[] nodes;
+    private StringBuilder rowStringBuilder;
 
     public Row(GreaterThanOne numberOfPerson) {
         nodes = new Node[numberOfPerson.getNumber()];
@@ -18,19 +19,65 @@ public void drawLine(Position startPosition) {
         setDirectionBetweenNextPosition(startPosition);
     }
 
+    //사다리 한 개 층 문자열 생성
+    public void setRowString(){
+        rowStringBuilder = new StringBuilder();
+
+        for (Node node : nodes) {
+            rowStringBuilder.append(node.getNodeValue()).append(" ");
+        }
+        rowStringBuilder.deleteCharAt(rowStringBuilder.length()-1);
+        rowStringBuilder.append("\n");
+
+    }
+
     public void nextPosition(Position position) {
         validatePosition(position);
 
         nodes[position.getValue()].move(position);
     }
 
+    //특정 사다리 층에서 입력된(현재) 위치 수정 >> '*' 검색해서 삭제 한 후, 입력된 위치 '*'로 입력
+    public StringBuilder getRowStringBuilder(){
+        removeStarInRowString();
+
+        return rowStringBuilder;
+    }
+    public StringBuilder getRowStringBuilder(Position position){
+        int adjustIndex = 0, count = 0;
+
+        removeStarInRowString();
+
+        for(int i = 0; i*2 + adjustIndex < rowStringBuilder.length(); i++){
+            if(count > position.getValue()){
+                break;
+            }
+            count++;
+            if(rowStringBuilder.charAt(i*2 + adjustIndex) == '-'){
+                adjustIndex++;
+            }
+        }
+        rowStringBuilder.insert(position.getValue() * 2 + 1 + adjustIndex, "*");
+
+        return rowStringBuilder;
+    }
+
+    //문자열에 * 찍혀 있으면 삭제
+    private void removeStarInRowString(){
+        if(rowStringBuilder.indexOf("*") != -1){
+            rowStringBuilder.deleteCharAt(rowStringBuilder.indexOf("*"));
+        }
+    }
+
+
+
     private void setDirectionBetweenNextPosition(Position position) {
         nodes[position.getValue()].setRightNode();
         position.next();
         nodes[position.getValue()].setLeftNode();
     }
 
-    private void validatePosition(Position position) {
+    public void validatePosition(Position position) {                      //일단 public으로 수정하여 진행
         if (isInvalidPosition(position) ) {
             throw new IllegalArgumentException(ExceptionMessage.INVALID_POSITION.getMessage());
         }
diff --git a/src/main/java/ladder/creator/LadderCreator.java b/src/main/java/ladder/creator/LadderCreator.java
index 0145e29..40e4a4a 100644
--- a/src/main/java/ladder/creator/LadderCreator.java
+++ b/src/main/java/ladder/creator/LadderCreator.java
@@ -19,6 +19,12 @@ public void drawLine(Position row, Position col) {
         rows[row.getValue()].drawLine(col);
     }
 
+    public void setRowsString(){
+        for(int i = 0; i < rows.length; i++){
+            rows[i].setRowString();
+        }
+    }
+
     public Row[] getRows() {
         return rows;
     }
diff --git a/src/test/java/ladder/LadderGameTest.java b/src/test/java/ladder/LadderGameTest.java
index aa93e5f..d59a19c 100644
--- a/src/test/java/ladder/LadderGameTest.java
+++ b/src/test/java/ladder/LadderGameTest.java
@@ -47,6 +47,7 @@ class LadderGameTest {
         ladderCreator.drawLine(Position.from(1),Position.from(1));
         ladderCreator.drawLine(Position.from(2),Position.from(0));
 
+
         //given
         Position position = Position.from(0);
 
diff --git a/src/test/java/ladder/RowTest.java b/src/test/java/ladder/RowTest.java
index d9e7287..be38c45 100644
--- a/src/test/java/ladder/RowTest.java
+++ b/src/test/java/ladder/RowTest.java
@@ -154,4 +154,72 @@ class RowTest {
                 .isInstanceOf(IllegalArgumentException.class);
 
     }
+
+    @Test
+    void rowString_문자열_확인(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(1));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder().toString()).isEqualTo("0 1 -1\n");
+    }
+
+    @Test
+    void rowString_문자열_확인2(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(1));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder().toString()).isEqualTo("0 1 -1 0\n");
+    }
+
+    @Test
+    void rowString_별_생성_확인(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(1));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder(Position.from(1)).toString()).isEqualTo("0 1* -1 0\n");
+        assertThat(row.getRowStringBuilder(Position.from(2)).toString()).isEqualTo("0 1 -1* 0\n");
+    }
+
+    @Test
+    void rowString_별_생성_확인2(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(0));
+        row.drawLine(Position.from(2));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder(Position.from(0)).toString()).isEqualTo("1* -1 1 -1\n");
+    }
+
+
+    @Test
+    void rowString_별_생성_제거_확인(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(1));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder(Position.from(1)).toString()).isEqualTo("0 1* -1 0\n");
+        assertThat(row.getRowStringBuilder(Position.from(2)).toString()).isEqualTo("0 1 -1* 0\n");
+    }
+
+    @Test
+    void rowString_별_제거_확인2(){
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(0));
+        row.drawLine(Position.from(2));
+        row.setRowString();
+
+        assertThat(row.getRowStringBuilder(Position.from(0)).toString()).isEqualTo("1* -1 1 -1\n");
+        assertThat(row.getRowStringBuilder(Position.from(1)).toString()).isEqualTo("1 -1* 1 -1\n");
+        assertThat(row.getRowStringBuilder(Position.from(2)).toString()).isEqualTo("1 -1 1* -1\n");
+        assertThat(row.getRowStringBuilder(Position.from(3)).toString()).isEqualTo("1 -1 1 -1*\n");
+    }
 }
\ No newline at end of file

From a94de76d60ba169a54cd8a965ff62e11d009aaa3 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Thu, 26 Sep 2024 23:31:13 +0900
Subject: [PATCH 07/11] =?UTF-8?q?=EA=B8=B0=EB=8A=A5=20=EC=9A=94=EA=B5=AC?=
 =?UTF-8?q?=EC=82=AC=ED=95=AD3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/uiDesigner.xml                          | 124 ++++++++++++++++++
 src/main/java/ladder/Coordinate.java          |  31 +++++
 .../ladder/creator/LadderAutoCreator.java     |  54 ++++++++
 .../java/ladder/creator/LadderCreator.java    |  25 +---
 .../ladder/creator/LadderSelfCreator.java     |  34 +++++
 src/test/java/ladder/CoordinateTest.java      |  24 ++++
 src/test/java/ladder/LadderGameTest.java      |  38 ++++--
 7 files changed, 300 insertions(+), 30 deletions(-)
 create mode 100644 .idea/uiDesigner.xml
 create mode 100644 src/main/java/ladder/Coordinate.java
 create mode 100644 src/main/java/ladder/creator/LadderAutoCreator.java
 create mode 100644 src/main/java/ladder/creator/LadderSelfCreator.java
 create mode 100644 src/test/java/ladder/CoordinateTest.java

diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..2b63946
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/src/main/java/ladder/Coordinate.java b/src/main/java/ladder/Coordinate.java
new file mode 100644
index 0000000..0212abf
--- /dev/null
+++ b/src/main/java/ladder/Coordinate.java
@@ -0,0 +1,31 @@
+package ladder;
+
+import java.util.Random;
+
+public class Coordinate {
+    private final int row;
+    private final Position col;
+
+    private Coordinate(int col, int row){
+        this.row = row;
+        this.col = Position.from(col);
+    }
+
+    public static Coordinate autoCoordinate(int numberOfCol, int numberOfRow){
+        Random rand = new Random();
+        rand.setSeed(System.currentTimeMillis());
+
+        int col = rand.nextInt(numberOfCol-1);          //line을 그려줘야 되기 때문에 옆으로 한칸 여유가 있어야 함
+        int row = rand.nextInt(numberOfRow);
+
+        return new Coordinate(col, row);
+    }
+
+    public int getRow() {
+        return row;
+    }
+
+    public Position getCol() {
+        return col;
+    }
+}
diff --git a/src/main/java/ladder/creator/LadderAutoCreator.java b/src/main/java/ladder/creator/LadderAutoCreator.java
new file mode 100644
index 0000000..a043a81
--- /dev/null
+++ b/src/main/java/ladder/creator/LadderAutoCreator.java
@@ -0,0 +1,54 @@
+package ladder.creator;
+
+import ladder.Coordinate;
+import ladder.GreaterThanOne;
+import ladder.Position;
+import ladder.Row;
+
+public class LadderAutoCreator implements LadderCreator{
+
+    private final Row[] rows;
+
+    public LadderAutoCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+        rows = new Row[numberOfRow.getNumber()];
+
+        for (int i = 0; i < numberOfRow.getNumber(); i++) {
+            rows[i] = new Row(numberOfPerson);
+        }
+
+        drawLine(Position.from(numberOfRow.getNumber()), Position.from(numberOfPerson.getNumber()));
+    }
+
+    public void drawLine(Position numberOfRow, Position numberOfCol){
+        int numberOfLine = calcLineNumber(numberOfRow.getValue(), numberOfCol.getValue());
+
+        for(int i = 0; i < numberOfLine; ){
+            if(canDrawLine(Coordinate.autoCoordinate(numberOfCol.getValue(), numberOfRow.getValue()))){
+                i++;
+            }
+        }
+    }
+
+    public void setRowsString(){
+        for(int i = 0; i < rows.length; i++){
+            rows[i].setRowString();
+        }
+    }
+
+    public Row[] getRows() {
+        return rows;
+    }
+
+    private int calcLineNumber(int numberOfRow, int numberOfPerson){
+        return (int)Math.floor(numberOfRow*numberOfPerson*0.3);
+    }
+
+    private boolean canDrawLine(Coordinate coordinate) {
+        try {
+            rows[coordinate.getRow()].drawLine(coordinate.getCol());
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+        return true;
+    }
+}
diff --git a/src/main/java/ladder/creator/LadderCreator.java b/src/main/java/ladder/creator/LadderCreator.java
index 40e4a4a..f40b410 100644
--- a/src/main/java/ladder/creator/LadderCreator.java
+++ b/src/main/java/ladder/creator/LadderCreator.java
@@ -1,31 +1,14 @@
 package ladder.creator;
 
-import ladder.GreaterThanOne;
 import ladder.Position;
 import ladder.Row;
 
-public class LadderCreator {
+public interface LadderCreator {
 
-    private final Row[] rows;
 
-    public LadderCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
-        rows = new Row[numberOfRow.getNumber()];
-        for (int i = 0; i < numberOfRow.getNumber(); i++) {
-            rows[i] = new Row(numberOfPerson);
-        }
-    }
+    public void drawLine(Position row, Position col);
 
-    public void drawLine(Position row, Position col) {
-        rows[row.getValue()].drawLine(col);
-    }
+    public void setRowsString();
 
-    public void setRowsString(){
-        for(int i = 0; i < rows.length; i++){
-            rows[i].setRowString();
-        }
-    }
-
-    public Row[] getRows() {
-        return rows;
-    }
+    public Row[] getRows() ;
 }
diff --git a/src/main/java/ladder/creator/LadderSelfCreator.java b/src/main/java/ladder/creator/LadderSelfCreator.java
new file mode 100644
index 0000000..1323583
--- /dev/null
+++ b/src/main/java/ladder/creator/LadderSelfCreator.java
@@ -0,0 +1,34 @@
+package ladder.creator;
+
+import ladder.GreaterThanOne;
+import ladder.Position;
+import ladder.Row;
+
+public class LadderSelfCreator implements LadderCreator{
+    private final Row[] rows;
+
+    public LadderSelfCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+        rows = new Row[numberOfRow.getNumber()];
+        for (int i = 0; i < numberOfRow.getNumber(); i++) {
+            rows[i] = new Row(numberOfPerson);
+        }
+    }
+
+
+    public void drawLine(Position row, Position col) {
+        rows[row.getValue()].drawLine(col);
+    }
+
+    public void setRowsString(){
+        for(int i = 0; i < rows.length; i++){
+            rows[i].setRowString();
+        }
+    }
+
+    public Row[] getRows() {
+        return rows;
+    }
+
+
+
+}
diff --git a/src/test/java/ladder/CoordinateTest.java b/src/test/java/ladder/CoordinateTest.java
new file mode 100644
index 0000000..7fdf0da
--- /dev/null
+++ b/src/test/java/ladder/CoordinateTest.java
@@ -0,0 +1,24 @@
+package ladder;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+class CoordinateTest {
+
+    @Test
+    void 좌표_생성_확인(){
+        //when
+        Coordinate coordinate = Coordinate.autoCoordinate(2, 2);
+
+        //then
+        assertThat(coordinate).isNotNull();
+    }
+
+    @Test
+    void 자동생성좌표_범위_확인1(){
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/ladder/LadderGameTest.java b/src/test/java/ladder/LadderGameTest.java
index d59a19c..687d072 100644
--- a/src/test/java/ladder/LadderGameTest.java
+++ b/src/test/java/ladder/LadderGameTest.java
@@ -1,6 +1,8 @@
 package ladder;
 
+import ladder.creator.LadderAutoCreator;
 import ladder.creator.LadderCreator;
+import ladder.creator.LadderSelfCreator;
 import org.junit.jupiter.api.Test;
 
 import static org.assertj.core.api.Assertions.*;
@@ -14,18 +16,36 @@ class LadderGameTest {
         GreaterThanOne numberOfPerson = GreaterThanOne.from(5);
 
         //when
-        LadderCreator ladderCreator = new LadderCreator(numberOfRow, numberOfPerson);
+        LadderAutoCreator ladderAutoCreator = new LadderAutoCreator(numberOfRow, numberOfPerson);
 
         //then
-        assertThat(ladderCreator).isNotNull();
+        assertThat(ladderAutoCreator).isNotNull();
     }
 
     @Test
     void 사다리_사람_예외_처리_확인() {
         //when
+        GreaterThanOne numberOfRow = GreaterThanOne.from(2);
         GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
-        LadderCreator ladderCreator = new LadderCreator(GreaterThanOne.from(2), numberOfPerson);
-        LadderGame ladderGame = new LadderGame(ladderCreator);
+
+        LadderAutoCreator ladderAutoCreator = new LadderAutoCreator(numberOfRow, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderAutoCreator);
+
+        //given
+        Position position = Position.from(3);
+
+        //then
+        assertThatThrownBy(() -> ladderGame.run(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+    @Test
+    void 사다리_사람_예외_처리_확인2() {
+        //when
+        GreaterThanOne numberOfRow = GreaterThanOne.from(2);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+
+        LadderAutoCreator ladderAutoCreator = new LadderAutoCreator(numberOfRow, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderAutoCreator);
 
         //given
         Position position = Position.from(4);
@@ -40,12 +60,12 @@ class LadderGameTest {
         //when
         GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
         GreaterThanOne row = GreaterThanOne.from(3);
-        LadderCreator ladderCreator = new LadderCreator(row, numberOfPerson);
-        LadderGame ladderGame = new LadderGame(ladderCreator);
+        LadderSelfCreator ladderSelfCreator = new LadderSelfCreator(row, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderSelfCreator);
 
-        ladderCreator.drawLine(Position.from(0),Position.from(0));
-        ladderCreator.drawLine(Position.from(1),Position.from(1));
-        ladderCreator.drawLine(Position.from(2),Position.from(0));
+        ladderSelfCreator.drawLine(Position.from(0),Position.from(0));
+        ladderSelfCreator.drawLine(Position.from(1),Position.from(1));
+        ladderSelfCreator.drawLine(Position.from(2),Position.from(0));
 
 
         //given

From db445c188e51eb12565193b2a77dbf6bfd123547 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Fri, 27 Sep 2024 11:25:22 +0900
Subject: [PATCH 08/11] =?UTF-8?q?=EC=88=98=EC=A0=95=20=EB=B0=8F=20test?=
 =?UTF-8?q?=ED=95=A8=EC=88=98=20=EC=B6=94=EA=B0=80=20=EC=95=84=EB=A7=88?=
 =?UTF-8?q?=EB=8F=84=20=EC=99=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/LadderGame.java          |  2 +-
 .../{Coordinate.java => LadderPosition.java}  |  8 +--
 src/main/java/ladder/LadderRunner.java        | 16 ++---
 .../ladder/creator/LadderAutoCreator.java     | 12 ++--
 src/test/java/ladder/CoordinateTest.java      | 24 -------
 src/test/java/ladder/LadderGameTest.java      | 65 +++++++++++++++++--
 src/test/java/ladder/LadderPositionTest.java  | 45 +++++++++++++
 7 files changed, 125 insertions(+), 47 deletions(-)
 rename src/main/java/ladder/{Coordinate.java => LadderPosition.java} (73%)
 delete mode 100644 src/test/java/ladder/CoordinateTest.java
 create mode 100644 src/test/java/ladder/LadderPositionTest.java

diff --git a/src/main/java/ladder/LadderGame.java b/src/main/java/ladder/LadderGame.java
index 43300af..084bf73 100644
--- a/src/main/java/ladder/LadderGame.java
+++ b/src/main/java/ladder/LadderGame.java
@@ -7,7 +7,7 @@ public class LadderGame {
     private final LadderCreator ladderCreator;
 
     public LadderGame(LadderCreator ladderCreator) {
-        ladderCreator.setRowsString();                  //각 행 에 해당하는 문자열 생성
+        ladderCreator.setRowsString();                  //모든 행에 해당하는 문자열 생성
         this.ladderCreator = ladderCreator;
     }
 
diff --git a/src/main/java/ladder/Coordinate.java b/src/main/java/ladder/LadderPosition.java
similarity index 73%
rename from src/main/java/ladder/Coordinate.java
rename to src/main/java/ladder/LadderPosition.java
index 0212abf..5abc5be 100644
--- a/src/main/java/ladder/Coordinate.java
+++ b/src/main/java/ladder/LadderPosition.java
@@ -2,23 +2,23 @@
 
 import java.util.Random;
 
-public class Coordinate {
+public class LadderPosition {
     private final int row;
     private final Position col;
 
-    private Coordinate(int col, int row){
+    private LadderPosition(int col, int row){
         this.row = row;
         this.col = Position.from(col);
     }
 
-    public static Coordinate autoCoordinate(int numberOfCol, int numberOfRow){
+    public static LadderPosition autoCoordinate(int numberOfCol, int numberOfRow){
         Random rand = new Random();
         rand.setSeed(System.currentTimeMillis());
 
         int col = rand.nextInt(numberOfCol-1);          //line을 그려줘야 되기 때문에 옆으로 한칸 여유가 있어야 함
         int row = rand.nextInt(numberOfRow);
 
-        return new Coordinate(col, row);
+        return new LadderPosition(col, row);
     }
 
     public int getRow() {
diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index 1363326..da5312d 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -11,27 +11,27 @@ public LadderRunner(Row[] rows) {
     }
 
     public int run(Position position) {
-        rows[0].validatePosition(position);             //지저분한데...
+        rows[0].validatePosition(position);             //validatePosition()를 public 으로 변경, 지저분한데...
         //사다리 출력
         for (int i = 0; i < rows.length; i++) {
-            printLadderRow(i, position, AFTER);      //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
-            rows[i].nextPosition(position);
+            printLadderRow(i, position, AFTER);         //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
+            rows[i].nextPosition(position);             //어차피 i 를 사용해서 접근해야 하는데 printLadderRow의 인자를 '좌표'로 묶어서 줘야할 필요가 있나?
             printLadderRow(i, position, BEFORE);
         }
 
         return position.getValue();
     }
 
-    //사다리 출력 함수
-    private void printLadderRow(int rowIndex, Position position, Flag flag){          //전체 사다리 출력 함수
-        StringBuilder sb = new StringBuilder("/n" + flag.getFlag() + "/n");
+    //전체 사다리 출력 함수
+    private void printLadderRow(int rowIndex, Position position, Flag flag){
+        StringBuilder sb = new StringBuilder("\n" + flag.getFlag() + "\n");
 
         for(int i = 0; i < rows.length; i++) {
             if(i != rowIndex){
-                sb.append(rows[rowIndex].getRowStringBuilder());
+                sb.append(rows[i].getRowStringBuilder());
             }
             if(i == rowIndex){
-                sb.append(rows[rowIndex].getRowStringBuilder(position));
+                sb.append(rows[i].getRowStringBuilder(position));
             }
         }
 
diff --git a/src/main/java/ladder/creator/LadderAutoCreator.java b/src/main/java/ladder/creator/LadderAutoCreator.java
index a043a81..aa2526d 100644
--- a/src/main/java/ladder/creator/LadderAutoCreator.java
+++ b/src/main/java/ladder/creator/LadderAutoCreator.java
@@ -1,6 +1,6 @@
 package ladder.creator;
 
-import ladder.Coordinate;
+import ladder.LadderPosition;
 import ladder.GreaterThanOne;
 import ladder.Position;
 import ladder.Row;
@@ -23,8 +23,8 @@ public void drawLine(Position numberOfRow, Position numberOfCol){
         int numberOfLine = calcLineNumber(numberOfRow.getValue(), numberOfCol.getValue());
 
         for(int i = 0; i < numberOfLine; ){
-            if(canDrawLine(Coordinate.autoCoordinate(numberOfCol.getValue(), numberOfRow.getValue()))){
-                i++;
+            if(canDrawLine(LadderPosition.autoCoordinate(numberOfCol.getValue(), numberOfRow.getValue()))){
+                i++;            //실제로 Line이 그려진 경우 for문의 i를 증가시킴
             }
         }
     }
@@ -39,13 +39,15 @@ public Row[] getRows() {
         return rows;
     }
 
+    //Line 생성 개수를 안전하게 '내림'하여 사용 함
     private int calcLineNumber(int numberOfRow, int numberOfPerson){
         return (int)Math.floor(numberOfRow*numberOfPerson*0.3);
     }
 
-    private boolean canDrawLine(Coordinate coordinate) {
+    //랜덤으로 생성한 좌표에서 Line을 그릴수 있는지 확인
+    private boolean canDrawLine(LadderPosition ladderPosition) {
         try {
-            rows[coordinate.getRow()].drawLine(coordinate.getCol());
+            rows[ladderPosition.getRow()].drawLine(ladderPosition.getCol());
         } catch (IllegalArgumentException e) {
             return false;
         }
diff --git a/src/test/java/ladder/CoordinateTest.java b/src/test/java/ladder/CoordinateTest.java
deleted file mode 100644
index 7fdf0da..0000000
--- a/src/test/java/ladder/CoordinateTest.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package ladder;
-
-import org.junit.jupiter.api.Test;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-
-class CoordinateTest {
-
-    @Test
-    void 좌표_생성_확인(){
-        //when
-        Coordinate coordinate = Coordinate.autoCoordinate(2, 2);
-
-        //then
-        assertThat(coordinate).isNotNull();
-    }
-
-    @Test
-    void 자동생성좌표_범위_확인1(){
-
-    }
-
-}
\ No newline at end of file
diff --git a/src/test/java/ladder/LadderGameTest.java b/src/test/java/ladder/LadderGameTest.java
index 687d072..5eca739 100644
--- a/src/test/java/ladder/LadderGameTest.java
+++ b/src/test/java/ladder/LadderGameTest.java
@@ -1,7 +1,6 @@
 package ladder;
 
 import ladder.creator.LadderAutoCreator;
-import ladder.creator.LadderCreator;
 import ladder.creator.LadderSelfCreator;
 import org.junit.jupiter.api.Test;
 
@@ -10,7 +9,7 @@
 class LadderGameTest {
 
     @Test
-    void 사다리_생성_확인() {
+    void 사다리_자동_생성_확인() {
         //given
         GreaterThanOne numberOfRow = GreaterThanOne.from(3);
         GreaterThanOne numberOfPerson = GreaterThanOne.from(5);
@@ -23,7 +22,30 @@ class LadderGameTest {
     }
 
     @Test
-    void 사다리_사람_예외_처리_확인() {
+    void 사다리_자동_진행_확인() {
+        //given
+        GreaterThanOne numberOfRow = GreaterThanOne.from(3);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(5);
+
+        //when
+        LadderAutoCreator ladderAutoCreator = new LadderAutoCreator(numberOfRow, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderAutoCreator);
+
+        //then
+        System.out.println("test : 0");
+        ladderGame.run(Position.from(0));
+        System.out.println("test : 1");
+        ladderGame.run(Position.from(1));
+        System.out.println("test : 2");
+        ladderGame.run(Position.from(2));
+        System.out.println("test : 3");
+        ladderGame.run(Position.from(3));
+        System.out.println("test : 4");
+        ladderGame.run(Position.from(4));
+    }
+
+    @Test
+    void 사다리_자동_사람_예외_처리_확인() {
         //when
         GreaterThanOne numberOfRow = GreaterThanOne.from(2);
         GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
@@ -39,7 +61,7 @@ class LadderGameTest {
                 .isInstanceOf(IllegalArgumentException.class);
     }
     @Test
-    void 사다리_사람_예외_처리_확인2() {
+    void 사다리_자동_사람_예외_처리_확인2() {
         //when
         GreaterThanOne numberOfRow = GreaterThanOne.from(2);
         GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
@@ -56,7 +78,40 @@ class LadderGameTest {
     }
 
     @Test
-    void 사다리_결과_확인() {
+    void 사다리_수동_사람_예외_처리_확인() {
+        //when
+        GreaterThanOne numberOfRow = GreaterThanOne.from(2);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+
+        LadderSelfCreator ladderSelfCreator = new LadderSelfCreator(numberOfRow, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderSelfCreator);
+
+        //given
+        Position position = Position.from(3);
+
+        //then
+        assertThatThrownBy(() -> ladderGame.run(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+    @Test
+    void 사다리_수동_사람_예외_처리_확인2() {
+        //when
+        GreaterThanOne numberOfRow = GreaterThanOne.from(2);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+
+        LadderSelfCreator ladderSelfCreator = new LadderSelfCreator(numberOfRow, numberOfPerson);
+        LadderGame ladderGame = new LadderGame(ladderSelfCreator);
+
+        //given
+        Position position = Position.from(4);
+
+        //then
+        assertThatThrownBy(() -> ladderGame.run(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 사다리_수동_결과_확인() {
         //when
         GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
         GreaterThanOne row = GreaterThanOne.from(3);
diff --git a/src/test/java/ladder/LadderPositionTest.java b/src/test/java/ladder/LadderPositionTest.java
new file mode 100644
index 0000000..401c280
--- /dev/null
+++ b/src/test/java/ladder/LadderPositionTest.java
@@ -0,0 +1,45 @@
+package ladder;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+
+class LadderPositionTest {
+
+    @Test
+    void 좌표_생성_확인(){
+        //when
+        LadderPosition ladderPosition = LadderPosition.autoCoordinate(3, 3);
+
+        //then
+        assertThat(ladderPosition).isNotNull();
+    }
+
+    @Test
+    void 자동생성좌표_범위_확인1(){
+        //when
+        LadderPosition ladderPosition = LadderPosition.autoCoordinate(3, 3);
+
+        //then
+        assertThat(ladderPosition.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(1);
+    }
+
+    @Test
+    void 자동생성좌표_범위_확인2(){
+        //when
+        LadderPosition ladderPosition1 = LadderPosition.autoCoordinate(3, 5);
+        LadderPosition ladderPosition2 = LadderPosition.autoCoordinate(3, 5);
+        LadderPosition ladderPosition3 = LadderPosition.autoCoordinate(3, 5);
+
+        //then
+        assertThat(ladderPosition1.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition1.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition2.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition2.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition3.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition3.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+    }
+
+}
\ No newline at end of file

From 11855b1baf457dc3159e13c40b1a38da6a00dbfe Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Fri, 27 Sep 2024 12:04:26 +0900
Subject: [PATCH 09/11] =?UTF-8?q?=EC=82=AC=EB=8B=A4=EB=A6=AC=20=EC=B6=9C?=
 =?UTF-8?q?=EB=A0=A5=20=EA=B4=80=EB=A0=A8=20'=EC=A2=8C=ED=91=9C'=20?=
 =?UTF-8?q?=EC=82=AC=EC=9A=A9=20=EC=A7=84=3F=EC=A7=9C=20=EC=99=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/LadderGame.java          |  2 +-
 src/main/java/ladder/LadderPosition.java      | 18 ++++++++++++---
 src/main/java/ladder/LadderRunner.java        | 23 ++++++++++---------
 .../ladder/creator/LadderAutoCreator.java     |  2 +-
 src/test/java/ladder/LadderPositionTest.java  | 10 ++++----
 5 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/src/main/java/ladder/LadderGame.java b/src/main/java/ladder/LadderGame.java
index 084bf73..60026f0 100644
--- a/src/main/java/ladder/LadderGame.java
+++ b/src/main/java/ladder/LadderGame.java
@@ -13,7 +13,7 @@ public LadderGame(LadderCreator ladderCreator) {
 
     public int run(Position position) {
         LadderRunner ladderRunner = new LadderRunner(ladderCreator.getRows());
-        ladderRunner.run(position);
+        ladderRunner.run(LadderPosition.from(position));
         return position.getValue();
     }
 }
diff --git a/src/main/java/ladder/LadderPosition.java b/src/main/java/ladder/LadderPosition.java
index 5abc5be..3f4fd99 100644
--- a/src/main/java/ladder/LadderPosition.java
+++ b/src/main/java/ladder/LadderPosition.java
@@ -3,15 +3,19 @@
 import java.util.Random;
 
 public class LadderPosition {
-    private final int row;
-    private final Position col;
+    private  int row;
+    private  final Position col;
 
     private LadderPosition(int col, int row){
         this.row = row;
         this.col = Position.from(col);
     }
+    private LadderPosition(Position position, int row){
+        this.row = row;
+        this.col = position;
+    }
 
-    public static LadderPosition autoCoordinate(int numberOfCol, int numberOfRow){
+    public static LadderPosition autoLadderPosition(int numberOfCol, int numberOfRow){
         Random rand = new Random();
         rand.setSeed(System.currentTimeMillis());
 
@@ -21,6 +25,14 @@ public static LadderPosition autoCoordinate(int numberOfCol, int numberOfRow){
         return new LadderPosition(col, row);
     }
 
+    public static LadderPosition from(Position position){
+        return new LadderPosition(position, -1);
+    }
+
+    public void next() {
+        row++;
+    }
+
     public int getRow() {
         return row;
     }
diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index da5312d..dc772b4 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -10,28 +10,29 @@ public LadderRunner(Row[] rows) {
         this.rows = rows;
     }
 
-    public int run(Position position) {
-        rows[0].validatePosition(position);             //validatePosition()를 public 으로 변경, 지저분한데...
+    public int run(LadderPosition ladderPosition) {
+        rows[0].validatePosition(ladderPosition.getCol());             //validatePosition()를 public 으로 변경, 지저분한데...
         //사다리 출력
-        for (int i = 0; i < rows.length; i++) {
-            printLadderRow(i, position, AFTER);         //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
-            rows[i].nextPosition(position);             //어차피 i 를 사용해서 접근해야 하는데 printLadderRow의 인자를 '좌표'로 묶어서 줘야할 필요가 있나?
-            printLadderRow(i, position, BEFORE);
+        for (Row row : rows) {
+            ladderPosition.next();                      //불필요하게 한줄 추가된 거 아닌가?
+            printLadderRow(ladderPosition, AFTER);                     //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
+            row.nextPosition(ladderPosition.getCol());             //어차피 i 를 사용해서 접근해야 하는데 printLadderRow의 인자를 '좌표'로 묶어서 줘야할 필요가 있나?
+            printLadderRow(ladderPosition, BEFORE);
         }
 
-        return position.getValue();
+        return ladderPosition.getCol().getValue();
     }
 
     //전체 사다리 출력 함수
-    private void printLadderRow(int rowIndex, Position position, Flag flag){
+    private void printLadderRow(LadderPosition ladderPosition, Flag flag){
         StringBuilder sb = new StringBuilder("\n" + flag.getFlag() + "\n");
 
         for(int i = 0; i < rows.length; i++) {
-            if(i != rowIndex){
+            if(i != ladderPosition.getRow()){
                 sb.append(rows[i].getRowStringBuilder());
             }
-            if(i == rowIndex){
-                sb.append(rows[i].getRowStringBuilder(position));
+            if(i == ladderPosition.getRow()){
+                sb.append(rows[i].getRowStringBuilder(ladderPosition.getCol()));
             }
         }
 
diff --git a/src/main/java/ladder/creator/LadderAutoCreator.java b/src/main/java/ladder/creator/LadderAutoCreator.java
index aa2526d..a5f43d3 100644
--- a/src/main/java/ladder/creator/LadderAutoCreator.java
+++ b/src/main/java/ladder/creator/LadderAutoCreator.java
@@ -23,7 +23,7 @@ public void drawLine(Position numberOfRow, Position numberOfCol){
         int numberOfLine = calcLineNumber(numberOfRow.getValue(), numberOfCol.getValue());
 
         for(int i = 0; i < numberOfLine; ){
-            if(canDrawLine(LadderPosition.autoCoordinate(numberOfCol.getValue(), numberOfRow.getValue()))){
+            if(canDrawLine(LadderPosition.autoLadderPosition(numberOfCol.getValue(), numberOfRow.getValue()))){
                 i++;            //실제로 Line이 그려진 경우 for문의 i를 증가시킴
             }
         }
diff --git a/src/test/java/ladder/LadderPositionTest.java b/src/test/java/ladder/LadderPositionTest.java
index 401c280..0a7b8f9 100644
--- a/src/test/java/ladder/LadderPositionTest.java
+++ b/src/test/java/ladder/LadderPositionTest.java
@@ -10,7 +10,7 @@ class LadderPositionTest {
     @Test
     void 좌표_생성_확인(){
         //when
-        LadderPosition ladderPosition = LadderPosition.autoCoordinate(3, 3);
+        LadderPosition ladderPosition = LadderPosition.autoLadderPosition(3, 3);
 
         //then
         assertThat(ladderPosition).isNotNull();
@@ -19,7 +19,7 @@ class LadderPositionTest {
     @Test
     void 자동생성좌표_범위_확인1(){
         //when
-        LadderPosition ladderPosition = LadderPosition.autoCoordinate(3, 3);
+        LadderPosition ladderPosition = LadderPosition.autoLadderPosition(3, 3);
 
         //then
         assertThat(ladderPosition.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
@@ -29,9 +29,9 @@ class LadderPositionTest {
     @Test
     void 자동생성좌표_범위_확인2(){
         //when
-        LadderPosition ladderPosition1 = LadderPosition.autoCoordinate(3, 5);
-        LadderPosition ladderPosition2 = LadderPosition.autoCoordinate(3, 5);
-        LadderPosition ladderPosition3 = LadderPosition.autoCoordinate(3, 5);
+        LadderPosition ladderPosition1 = LadderPosition.autoLadderPosition(3, 5);
+        LadderPosition ladderPosition2 = LadderPosition.autoLadderPosition(3, 5);
+        LadderPosition ladderPosition3 = LadderPosition.autoLadderPosition(3, 5);
 
         //then
         assertThat(ladderPosition1.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);

From b804dbe3caec968b62b221f5098784ed0dbd1fc4 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Sat, 28 Sep 2024 14:49:14 +0900
Subject: [PATCH 10/11] =?UTF-8?q?1=EC=B0=A8=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/LadderGame.java          |  2 +-
 src/main/java/ladder/LadderPosition.java      | 17 +++-------
 src/main/java/ladder/LadderRunner.java        | 31 ++++++++++---------
 src/main/java/ladder/Node.java                |  5 +++
 src/main/java/ladder/Row.java                 |  4 ++-
 .../ladder/creator/LadderAutoCreator.java     | 18 ++++++-----
 .../java/ladder/creator/RandomNumber.java     | 13 ++++++++
 src/test/java/ladder/LadderPositionTest.java  | 12 +++----
 8 files changed, 59 insertions(+), 43 deletions(-)
 create mode 100644 src/main/java/ladder/creator/RandomNumber.java

diff --git a/src/main/java/ladder/LadderGame.java b/src/main/java/ladder/LadderGame.java
index 60026f0..084bf73 100644
--- a/src/main/java/ladder/LadderGame.java
+++ b/src/main/java/ladder/LadderGame.java
@@ -13,7 +13,7 @@ public LadderGame(LadderCreator ladderCreator) {
 
     public int run(Position position) {
         LadderRunner ladderRunner = new LadderRunner(ladderCreator.getRows());
-        ladderRunner.run(LadderPosition.from(position));
+        ladderRunner.run(position);
         return position.getValue();
     }
 }
diff --git a/src/main/java/ladder/LadderPosition.java b/src/main/java/ladder/LadderPosition.java
index 3f4fd99..83995a2 100644
--- a/src/main/java/ladder/LadderPosition.java
+++ b/src/main/java/ladder/LadderPosition.java
@@ -1,6 +1,6 @@
 package ladder;
 
-import java.util.Random;
+import ladder.creator.RandomNumber;
 
 public class LadderPosition {
     private  int row;
@@ -16,21 +16,14 @@ private LadderPosition(Position position, int row){
     }
 
     public static LadderPosition autoLadderPosition(int numberOfCol, int numberOfRow){
-        Random rand = new Random();
-        rand.setSeed(System.currentTimeMillis());
-
-        int col = rand.nextInt(numberOfCol-1);          //line을 그려줘야 되기 때문에 옆으로 한칸 여유가 있어야 함
-        int row = rand.nextInt(numberOfRow);
+        int col = RandomNumber.from(numberOfCol-1);          //line을 그려줘야 되기 때문에 옆으로 한칸 여유가 있어야 함
+        int row = RandomNumber.from((numberOfRow));
 
         return new LadderPosition(col, row);
     }
 
-    public static LadderPosition from(Position position){
-        return new LadderPosition(position, -1);
-    }
-
-    public void next() {
-        row++;
+    public static LadderPosition from(Position position, int row){
+        return new LadderPosition(position, row);
     }
 
     public int getRow() {
diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
index dc772b4..2f7cdee 100644
--- a/src/main/java/ladder/LadderRunner.java
+++ b/src/main/java/ladder/LadderRunner.java
@@ -10,33 +10,34 @@ public LadderRunner(Row[] rows) {
         this.rows = rows;
     }
 
-    public int run(LadderPosition ladderPosition) {
-        rows[0].validatePosition(ladderPosition.getCol());             //validatePosition()를 public 으로 변경, 지저분한데...
+    public int run(Position position) {
+        rows[0].validatePosition(position);             //validatePosition()를 public 으로 변경, 지저분한데...
         //사다리 출력
-        for (Row row : rows) {
-            ladderPosition.next();                      //불필요하게 한줄 추가된 거 아닌가?
-            printLadderRow(ladderPosition, AFTER);                     //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
-            row.nextPosition(ladderPosition.getCol());             //어차피 i 를 사용해서 접근해야 하는데 printLadderRow의 인자를 '좌표'로 묶어서 줘야할 필요가 있나?
-            printLadderRow(ladderPosition, BEFORE);
+        for (int i = 0; i < rows.length; i++) {
+            printLadder(LadderPosition.from(position, i), BEFORE);                     //기존에는 rows[i].nextPosition(position)에서 시작위치 유효성 검사를 해줬는데 해주기 전에 그려버리니까 오류 발생
+            rows[i].nextPosition(position);
+            printLadder(LadderPosition.from(position, i), AFTER);
         }
 
-        return ladderPosition.getCol().getValue();
+        return position.getValue();
     }
 
     //전체 사다리 출력 함수
-    private void printLadderRow(LadderPosition ladderPosition, Flag flag){
+    private void printLadder(LadderPosition ladderPosition, Flag flag){
         StringBuilder sb = new StringBuilder("\n" + flag.getFlag() + "\n");
 
         for(int i = 0; i < rows.length; i++) {
-            if(i != ladderPosition.getRow()){
-                sb.append(rows[i].getRowStringBuilder());
-            }
-            if(i == ladderPosition.getRow()){
-                sb.append(rows[i].getRowStringBuilder(ladderPosition.getCol()));
-            }
+            sb.append(setLadderRow(i, ladderPosition));
         }
 
         System.out.println(sb);
     }
 
+    private StringBuilder setLadderRow(int row, LadderPosition ladderPosition){
+        if(row == ladderPosition.getRow()){
+            return rows[row].getRowStringBuilder(ladderPosition.getCol());               //'*' 추가 X 문자열 받아옴
+        }
+        return rows[row].getRowStringBuilder();       //'*' 추가 X 문자열 받아옴
+    }
+
 }
diff --git a/src/main/java/ladder/Node.java b/src/main/java/ladder/Node.java
index 0e8162c..aa8209f 100644
--- a/src/main/java/ladder/Node.java
+++ b/src/main/java/ladder/Node.java
@@ -38,6 +38,11 @@ public int getNodeValue(){
         return get;
     }
 
+    public void setNodeString(StringBuilder sb){
+        sb.append(getNodeValue()).append(" ");
+    }
+
+
     public void setRightNode() {
         direction = RIGHT;
     }
diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
index cc580ae..3933824 100644
--- a/src/main/java/ladder/Row.java
+++ b/src/main/java/ladder/Row.java
@@ -24,7 +24,7 @@ public void setRowString(){
         rowStringBuilder = new StringBuilder();
 
         for (Node node : nodes) {
-            rowStringBuilder.append(node.getNodeValue()).append(" ");
+            node.setNodeString(rowStringBuilder);                           //append(nodos.getValue()) 보다, node에 sb 넘겨줘서 처리
         }
         rowStringBuilder.deleteCharAt(rowStringBuilder.length()-1);
         rowStringBuilder.append("\n");
@@ -43,6 +43,8 @@ public StringBuilder getRowStringBuilder(){
 
         return rowStringBuilder;
     }
+
+    //todo 가독성 고려 리펙토링
     public StringBuilder getRowStringBuilder(Position position){
         int adjustIndex = 0, count = 0;
 
diff --git a/src/main/java/ladder/creator/LadderAutoCreator.java b/src/main/java/ladder/creator/LadderAutoCreator.java
index a5f43d3..30b4d85 100644
--- a/src/main/java/ladder/creator/LadderAutoCreator.java
+++ b/src/main/java/ladder/creator/LadderAutoCreator.java
@@ -5,6 +5,8 @@
 import ladder.Position;
 import ladder.Row;
 
+import java.util.HashSet;
+
 public class LadderAutoCreator implements LadderCreator{
 
     private final Row[] rows;
@@ -21,17 +23,16 @@ public LadderAutoCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPers
 
     public void drawLine(Position numberOfRow, Position numberOfCol){
         int numberOfLine = calcLineNumber(numberOfRow.getValue(), numberOfCol.getValue());
+        HashSet<LadderPosition> line = new HashSet<>();
 
-        for(int i = 0; i < numberOfLine; ){
-            if(canDrawLine(LadderPosition.autoLadderPosition(numberOfCol.getValue(), numberOfRow.getValue()))){
-                i++;            //실제로 Line이 그려진 경우 for문의 i를 증가시킴
-            }
+        while(line.size() < numberOfLine){
+            canDrawLine(line, LadderPosition.autoLadderPosition(numberOfCol.getValue(), numberOfRow.getValue()));
         }
     }
 
     public void setRowsString(){
-        for(int i = 0; i < rows.length; i++){
-            rows[i].setRowString();
+        for (Row row : rows) {
+            row.setRowString();
         }
     }
 
@@ -44,10 +45,11 @@ private int calcLineNumber(int numberOfRow, int numberOfPerson){
         return (int)Math.floor(numberOfRow*numberOfPerson*0.3);
     }
 
-    //랜덤으로 생성한 좌표에서 Line을 그릴수 있는지 확인
-    private boolean canDrawLine(LadderPosition ladderPosition) {
+    //랜덤으로 생성한 좌표에서 Line을 그림
+    private boolean canDrawLine(HashSet<LadderPosition> line, LadderPosition ladderPosition) {
         try {
             rows[ladderPosition.getRow()].drawLine(ladderPosition.getCol());
+            line.add(ladderPosition);
         } catch (IllegalArgumentException e) {
             return false;
         }
diff --git a/src/main/java/ladder/creator/RandomNumber.java b/src/main/java/ladder/creator/RandomNumber.java
new file mode 100644
index 0000000..57d6b3d
--- /dev/null
+++ b/src/main/java/ladder/creator/RandomNumber.java
@@ -0,0 +1,13 @@
+package ladder.creator;
+
+import java.util.Random;
+
+public class RandomNumber {
+    public static int from(int range) {
+        Random rand = new Random();
+        rand.setSeed(System.currentTimeMillis());
+
+        return rand.nextInt(range);
+    }
+
+}
diff --git a/src/test/java/ladder/LadderPositionTest.java b/src/test/java/ladder/LadderPositionTest.java
index 0a7b8f9..5e2c0ac 100644
--- a/src/test/java/ladder/LadderPositionTest.java
+++ b/src/test/java/ladder/LadderPositionTest.java
@@ -34,12 +34,12 @@ class LadderPositionTest {
         LadderPosition ladderPosition3 = LadderPosition.autoLadderPosition(3, 5);
 
         //then
-        assertThat(ladderPosition1.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
-        assertThat(ladderPosition1.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
-        assertThat(ladderPosition2.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
-        assertThat(ladderPosition2.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
-        assertThat(ladderPosition3.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
-        assertThat(ladderPosition3.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition1.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition1.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition2.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition2.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+        assertThat(ladderPosition3.getRow()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(4);
+        assertThat(ladderPosition3.getCol().getValue()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
     }
 
 }
\ No newline at end of file

From dac741ee7120257ba2dc7d52e460adde35265558 Mon Sep 17 00:00:00 2001
From: Yun531 <jaeyoongh315@gmail.com>
Date: Sat, 28 Sep 2024 15:04:06 +0900
Subject: [PATCH 11/11] =?UTF-8?q?2=EC=B0=A8=20=EC=88=98=EC=A0=95=20?=
 =?UTF-8?q?=EB=A7=88=EC=A7=80=EB=A7=89=20=EB=A6=AC=EB=B7=B0=EB=8A=94=20?=
 =?UTF-8?q?=EC=9E=98=20=EC=9D=B4=ED=95=B4=EA=B0=80=20=EC=95=88=EB=90=98?=
 =?UTF-8?q?=EB=84=A4=EC=9A=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/Row.java | 59 +++++++++++++++++++++--------------
 1 file changed, 36 insertions(+), 23 deletions(-)

diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
index 3933824..39bea5c 100644
--- a/src/main/java/ladder/Row.java
+++ b/src/main/java/ladder/Row.java
@@ -37,41 +37,54 @@ public void nextPosition(Position position) {
         nodes[position.getValue()].move(position);
     }
 
-    //특정 사다리 층에서 입력된(현재) 위치 수정 >> '*' 검색해서 삭제 한 후, 입력된 위치 '*'로 입력
-    public StringBuilder getRowStringBuilder(){
-        removeStarInRowString();
+    // '*'를 제거하고, '*' 없는 문자열 반환
+    public StringBuilder getRowStringBuilder() {
+        clearStarInRowString();
 
         return rowStringBuilder;
     }
 
-    //todo 가독성 고려 리펙토링
-    public StringBuilder getRowStringBuilder(Position position){
-        int adjustIndex = 0, count = 0;
-
-        removeStarInRowString();
-
-        for(int i = 0; i*2 + adjustIndex < rowStringBuilder.length(); i++){
-            if(count > position.getValue()){
-                break;
-            }
-            count++;
-            if(rowStringBuilder.charAt(i*2 + adjustIndex) == '-'){
-                adjustIndex++;
-            }
-        }
-        rowStringBuilder.insert(position.getValue() * 2 + 1 + adjustIndex, "*");
+    // '*'를 제거하고, 새 위치에 '*'를 추가하여 문자열 반환
+    public StringBuilder getRowStringBuilder(Position position) {
+        clearStarInRowString();
+        insertStarAtPosition(position);
 
         return rowStringBuilder;
     }
 
-    //문자열에 * 찍혀 있으면 삭제
-    private void removeStarInRowString(){
-        if(rowStringBuilder.indexOf("*") != -1){
-            rowStringBuilder.deleteCharAt(rowStringBuilder.indexOf("*"));
+    // 문자열에서 '*'를 제거하는 메서드
+    private void clearStarInRowString() {
+        int starIndex = rowStringBuilder.indexOf("*");
+
+        if (starIndex != -1) {
+            rowStringBuilder.deleteCharAt(starIndex);
         }
     }
 
+    // 주어진 위치에 '*'를 삽입하는 메서드
+    private void insertStarAtPosition(Position position) {
+        int offset = calculateOffsetForStar(position);
 
+        rowStringBuilder.insert(position.getValue() * 2 + 1 + offset, "*");
+    }
+
+    // '*'가 삽입될 위치를 계산하는 메서드
+    private int calculateOffsetForStar(Position position) {
+        int offset = 0;
+        int col = 0;
+
+        // '*'가 들어갈 위치에 '-'가 있으면, 그만큼 offset을 증가
+        for (int i = 0; i * 2 + offset < rowStringBuilder.length(); i++) {
+            if (col > position.getValue()) {
+                break;
+            }
+            col++;
+            if (rowStringBuilder.charAt(i * 2 + offset) == '-') {
+                offset++;
+            }
+        }
+        return offset;
+    }
 
     private void setDirectionBetweenNextPosition(Position position) {
         nodes[position.getValue()].setRightNode();