From 22a9c93217da150d891b6d4891a844646046f7d7 Mon Sep 17 00:00:00 2001
From: hyuja <wjsgmlwl61@gmail.com>
Date: Thu, 23 Mar 2023 16:09:27 +0900
Subject: [PATCH 1/4] =?UTF-8?q?row=20=ED=8C=8C=EC=9D=BC=20=EC=83=9D?=
 =?UTF-8?q?=EC=84=B1?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/ladder/Row.java | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 src/main/java/ladder/Row.java

diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
new file mode 100644
index 0000000..8ff59ab
--- /dev/null
+++ b/src/main/java/ladder/Row.java
@@ -0,0 +1,4 @@
+package ladder;
+
+public class Row {
+}

From 3c9389548391e6466f6948dab70e2c2780c0c24e Mon Sep 17 00:00:00 2001
From: hyuja <wjsgmlwl61@gmail.com>
Date: Fri, 24 Mar 2023 23:55:17 +0900
Subject: [PATCH 2/4] .

---
 .idea/gradle.xml                     |  1 +
 src/main/java/ladder/Ladder.java     | 43 +++++++++++++++++++++++++---
 src/test/java/ladder/LadderTest.java | 18 +++++++++++-
 3 files changed, 57 insertions(+), 5 deletions(-)

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index ba1ec5c..611e7c8 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/src/main/java/ladder/Ladder.java b/src/main/java/ladder/Ladder.java
index a9dc56b..8bcf84b 100644
--- a/src/main/java/ladder/Ladder.java
+++ b/src/main/java/ladder/Ladder.java
@@ -1,11 +1,46 @@
 package ladder;
 
+import java.util.Random;
+
 public class Ladder {
 
-    private final int[][] rows;
 
-    public Ladder(int row, int numberOfPerson) {
-        rows = new int[row][numberOfPerson];
+    private int numOfPeople;
+    private int ladderHeight;
+    private int[][] ladder;
+
+    public Ladder(int numOfPeople, int ladderHeight) {
+        this.numOfPeople = numOfPeople;
+        this.ladderHeight = ladderHeight;
+        ladder = new int[ladderHeight][numOfPeople - 1];
+
     }
 
-}
+    private void drawLne(int position) {
+
+        Random random = new Random();
+        for (int i = 0; i < ladderHeight; i++) {
+            if (random.nextBoolean()) {
+                position++;
+            } else if (position > 0) {
+                position--;
+            }
+            ladder[i][position] = 1;
+        }
+    }
+
+    public int run(int selectedLine) {
+        for (int i = 0; i < numOfPeople - 1; i++) {
+            drawLne(i);
+        }
+        int result = selectedLine;
+        for (int i = 0; i < ladderHeight; i++) {
+            if (ladder[i][result] == 1) {
+                result++;
+            } else if (result > 0 && ladder[i][result - 1] == 1) {
+                result--;
+            }
+        }
+        return result + 1; //사다리번호는 1부터시작하므로 +1
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/ladder/LadderTest.java b/src/test/java/ladder/LadderTest.java
index 43b5df9..f04cc1a 100644
--- a/src/test/java/ladder/LadderTest.java
+++ b/src/test/java/ladder/LadderTest.java
@@ -1,6 +1,22 @@
 package ladder;
 
-public class LadderTest {
+import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
+public class LadderTest {
+@Test
+public void runTest(){
+    Ladder ladder = new Ladder(5,5);
+    int result=ladder.run(1);
+    assertEquals(1,result);
+    result = ladder.run(2);
+    assertEquals(2, result);
+    result = ladder.run(3);
+    assertEquals(3, result);
+    result = ladder.run(4);
+    assertEquals(4, result);
+    result = ladder.run(5);
+    assertEquals(5, result);}}
+}
 }
\ No newline at end of file

From 8ed74ea32bfca09d0fa4d1e62b6bcd7bf5f0235c Mon Sep 17 00:00:00 2001
From: hyuja <wjsgmlwl61@gmail.com>
Date: Fri, 31 Mar 2023 13:13:54 +0900
Subject: [PATCH 3/4] =?UTF-8?q?refactor=20:=20=20numOfPeople=EC=99=80=20la?=
 =?UTF-8?q?dderHeight=EB=A5=BC=20=EC=9D=98=EB=AF=B8=ED=95=98=EB=8A=94=20?=
 =?UTF-8?q?=EB=B3=80=EC=88=98=EB=A5=BC=20final=EB=A1=9C=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=ED=95=98=EC=97=AC=20=EB=B6=88=EB=B3=80=EC=84=B1?=
 =?UTF-8?q?=EC=9D=84=20=EB=B3=B4=EC=9E=A5=20refactor=20:=20ladder=20?=
 =?UTF-8?q?=EB=B0=B0=EC=97=B4=EC=97=90=EC=84=9C=20=EA=B0=80=EB=A1=9C=20?=
 =?UTF-8?q?=EC=9D=B8=EB=8D=B1=EC=8A=A4=EC=99=80=20=EC=84=B8=EB=A1=9C=20?=
 =?UTF-8?q?=EC=9D=B8=EB=8D=B1=EC=8A=A4=EB=A5=BC=20=EB=B0=94=EA=BF=94?=
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 =?UTF-8?q?actor=20:=20drawLine=20=EB=A9=94=EC=86=8C=EB=93=9C=EC=97=90?=
 =?UTF-8?q?=EC=84=9C=EB=8A=94=20=EB=9E=9C=EB=8D=A4=ED=95=9C=20=EA=B0=92?=
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 =?UTF-8?q?=EB=B6=84=EC=9D=84=20moveRightOrLeft=EB=A9=94=EC=86=8C=EB=93=9C?=
 =?UTF-8?q?=EB=A1=9C=20=EC=B6=94=EC=B6=9C=20refactor=20:=20run=20=EB=A9=94?=
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 =?UTF-8?q?=EB=B2=88=20drawLne=20=EB=A9=94=EC=86=8C=EB=93=9C=EB=A5=BC=20?=
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 =?UTF-8?q?=EB=A1=9C=20=EC=A4=91=EB=B3=B5=20=ED=98=B8=EC=B6=9C=EC=9D=84=20?=
 =?UTF-8?q?=EA=B0=9C=EC=84=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

refactor : drawLine 오타 수정
---
 .../7.4/executionHistory/executionHistory.bin | Bin 46896 -> 46896 bytes
 .../executionHistory/executionHistory.lock    | Bin 17 -> 17 bytes
 .gradle/7.4/fileHashes/fileHashes.bin         | Bin 19797 -> 20697 bytes
 .gradle/7.4/fileHashes/fileHashes.lock        | Bin 17 -> 17 bytes
 .../7.4/fileHashes/resourceHashesCache.bin    | Bin 19313 -> 19483 bytes
 .../buildOutputCleanup.lock                   | Bin 17 -> 17 bytes
 .gradle/buildOutputCleanup/outputFiles.bin    | Bin 19199 -> 19757 bytes
 .gradle/file-system.probe                     | Bin 8 -> 8 bytes
 build/classes/java/main/ladder/Ladder.class   | Bin 795 -> 1047 bytes
 .../classes/java/test/ladder/LadderTest.class | Bin 1967 -> 699 bytes
 .../tests/test/classes/ladder.LadderTest.html | 128 ++++++++++++---
 .../tests/test/classes/ladder.RowTest.html    | 152 ------------------
 build/reports/tests/test/index.html           |  60 +++----
 build/reports/tests/test/packages/ladder.html |  46 +++---
 .../test/TEST-ladder.LadderTest.xml           |  94 ++++++++++-
 .../test-results/test/TEST-ladder.RowTest.xml |  16 --
 build/test-results/test/binary/results.bin    | Bin 1021 -> 9300 bytes
 .../previous-compilation-data.bin             | Bin 925 -> 811 bytes
 src/test/java/ladder/LadderTest.java          |   2 +-
 19 files changed, 257 insertions(+), 241 deletions(-)
 delete mode 100644 build/reports/tests/test/classes/ladder.RowTest.html
 delete mode 100644 build/test-results/test/TEST-ladder.RowTest.xml

diff --git a/.gradle/7.4/executionHistory/executionHistory.bin b/.gradle/7.4/executionHistory/executionHistory.bin
index 76b577dcbde51591f8a41184d5b40bdafa896388..445900f00e622b05485bfd4a79c3df6a94857a78 100644
GIT binary patch
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diff --git a/.gradle/7.4/executionHistory/executionHistory.lock b/.gradle/7.4/executionHistory/executionHistory.lock
index b9ce88e320fd08c69e83a48175b0a78e2538b1cc..d21b321e8f328371660fe20a9ec8eaa3b6170e0e 100644
GIT binary patch
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literal 17
UcmZSXJ$~(}iHiDU1_<y405=Q-asU7T

diff --git a/.gradle/7.4/fileHashes/fileHashes.bin b/.gradle/7.4/fileHashes/fileHashes.bin
index 213f4d046d67876d74903230efeb202ea3d67c38..f9272743f3d26833d3f927eee6d5951cac9c1c0d 100644
GIT binary patch
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delta 67
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diff --git a/.gradle/7.4/fileHashes/fileHashes.lock b/.gradle/7.4/fileHashes/fileHashes.lock
index 4794e56a6652ed2112701c87099336eed3406f6e..4af73509b1b34b4c8e621f1802ad014d4e10aeb0 100644
GIT binary patch
literal 17
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literal 17
UcmZSn+Q2;JdSKCG1_<~L06Dh>ga7~l

diff --git a/.gradle/7.4/fileHashes/resourceHashesCache.bin b/.gradle/7.4/fileHashes/resourceHashesCache.bin
index d14e627ee447c679df66d71fc39ec987896cee93..3fba33898c26793637ff5618602cc8febd822f5d 100644
GIT binary patch
delta 313
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delta 42
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diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index c61fa314190b161a97604ef83d75c5063263e74e..645e5e0427e45beeec356a6529af0329153b4d78 100644
GIT binary patch
literal 17
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literal 17
UcmZSn@L;WB@0NXL3=l8{06>)mdjJ3c

diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
index ee13b131218208a1481a7b4ce4d3b9f2da7aa3bc..506dcdaab87bbe37b27e72ef5040be8ca7ef9cfc 100644
GIT binary patch
delta 754
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KkIfC9^^5@UA3WLs

delta 105
zcmZ2Gi}C+d#tkMCjOvq3B@!mDm5`YHRl;L(uB61|r$8(!B{A6*h)bmmCSL{8veE{V
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diff --git a/.gradle/file-system.probe b/.gradle/file-system.probe
index b9dd2d4cc14e1a5bacd1046d3f8d5f5849aeee70..c3472b8f4c63d6f1ecfb18e7f00e0ca3906b9007 100644
GIT binary patch
literal 8
PcmZQzU~D(6a5@731}y?W

literal 8
PcmZQzU~HSQ|DYWJ2?+w;

diff --git a/build/classes/java/main/ladder/Ladder.class b/build/classes/java/main/ladder/Ladder.class
index d9ed44049aa6d0e3ca3fc6aa628c38846ef0a886..cda839bc1694b41026c592d31f9677b124c51cdd 100644
GIT binary patch
literal 1047
zcmZ8f%T5zf82--8FfF}-P?6dJL7|ipTQq_TgoP$5rV5dUMA<lWMi?AsNH6LG^d;O7
z!-kC;jX<J_J2x&|`v&fO03zadrnQM?l7G(mFW=>y^Y!<~&j4=VY7B9VcO!<J3=<Lb
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a^xF^p7Zh=f^a)fUGU;PN36jY-H1-FDfvrLS

literal 795
zcmYL{!EO>!6o&sh107%}P+E#IfW@i>7Ls)1LhZ)HgoN5gOcUd3fYDCHnPwQo2k2wC
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ze^?dwi&L!0S>3kI_=h{uIQdWOBMEv$D@H3Tao~0SN~qFHMi#0@R~cFQsW13-SiDow
RplN8op{YxX6s0mk?JtmQearv=

diff --git a/build/classes/java/test/ladder/LadderTest.class b/build/classes/java/test/ladder/LadderTest.class
index 9d702817c511a0772e2f8f89cde579bfa3cf3fb0..b14700df3d545087251e402f907d919eb570de23 100644
GIT binary patch
delta 434
zcmYL^%}PQ+9L3Mf{g~_Znwi>{n%BzG45Su)Kn4XZF1U;!Xd~!Og8W$f4B|7i3!+U%
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N`e#}5k5yKQwO_*cHTM7j

literal 1967
zcmbVNT~8ZF6g_LNz0_Gg0);ezBrbu*&^U%BAt_%eArRaehyo(&<6sYX$$HmauOU44
z<DpXXR;i*7=~L9a<fT>Apj7G)i26_PZ>V}^ZT!(Dky=*F%)K*n&OP_ej9>lr@(%#l
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diff --git a/build/reports/tests/test/classes/ladder.LadderTest.html b/build/reports/tests/test/classes/ladder.LadderTest.html
index cd3ab80..4c14b4c 100644
--- a/build/reports/tests/test/classes/ladder.LadderTest.html
+++ b/build/reports/tests/test/classes/ladder.LadderTest.html
@@ -23,13 +23,13 @@ <h1>LadderTest</h1>
 <tr>
 <td>
 <div class="infoBox" id="tests">
-<div class="counter">2</div>
+<div class="counter">1</div>
 <p>tests</p>
 </div>
 </td>
 <td>
 <div class="infoBox" id="failures">
-<div class="counter">0</div>
+<div class="counter">1</div>
 <p>failures</p>
 </div>
 </td>
@@ -41,7 +41,7 @@ <h1>LadderTest</h1>
 </td>
 <td>
 <div class="infoBox" id="duration">
-<div class="counter">0.007s</div>
+<div class="counter">0.036s</div>
 <p>duration</p>
 </div>
 </td>
@@ -50,8 +50,8 @@ <h1>LadderTest</h1>
 </div>
 </td>
 <td>
-<div class="infoBox success" id="successRate">
-<div class="percent">100%</div>
+<div class="infoBox failures" id="successRate">
+<div class="percent">0%</div>
 <p>successful</p>
 </div>
 </td>
@@ -61,31 +61,123 @@ <h1>LadderTest</h1>
 <div id="tabs">
 <ul class="tabLinks">
 <li>
-<a href="#tab0">Tests</a>
+<a href="#tab0">Failed tests</a>
+</li>
+<li>
+<a href="#tab1">Tests</a>
 </li>
 </ul>
 <div id="tab0" class="tab">
+<h2>Failed tests</h2>
+<div class="test">
+<a name="runTest()"></a>
+<h3 class="failures">runTest()</h3>
+<span class="code">
+<pre>java.lang.ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4
+	at ladder.Ladder.drawLne(Ladder.java:28)
+	at ladder.Ladder.run(Ladder.java:34)
+	at ladder.LadderTest.runTest(LadderTest.java:11)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
+	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
+	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725)
+	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
+	at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
+	at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
+	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96)
+	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:99)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:79)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
+	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
+	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
+	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
+	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
+	at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
+	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
+	at com.sun.proxy.$Proxy2.stop(Unknown Source)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
+	at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
+	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:133)
+	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
+	at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
+	at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
+</pre>
+</span>
+</div>
+</div>
+<div id="tab1" class="tab">
 <h2>Tests</h2>
 <table>
 <thead>
 <tr>
 <th>Test</th>
-<th>Method name</th>
 <th>Duration</th>
 <th>Result</th>
 </tr>
 </thead>
 <tr>
-<td class="success">만들어진 사다리 이상의 사람 예외 처리</td>
-<td class="success">nthOfPersonValidate()</td>
-<td class="success">0.001s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">1 -1 0 0 / 0 1 -1 0 / 1 -1 0 0</td>
-<td class="success">threeRowTwoColWithLine()</td>
-<td class="success">0.006s</td>
-<td class="success">passed</td>
+<td class="failures">runTest()</td>
+<td class="failures">0.036s</td>
+<td class="failures">failed</td>
 </tr>
 </table>
 </div>
@@ -97,7 +189,7 @@ <h2>Tests</h2>
 <input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
 </label>
 </div>Generated by 
-<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 10. 오후 2:19:09</p>
+<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 30. 오후 4:43:02</p>
 </div>
 </div>
 </body>
diff --git a/build/reports/tests/test/classes/ladder.RowTest.html b/build/reports/tests/test/classes/ladder.RowTest.html
deleted file mode 100644
index 3137820..0000000
--- a/build/reports/tests/test/classes/ladder.RowTest.html
+++ /dev/null
@@ -1,152 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
-<meta http-equiv="x-ua-compatible" content="IE=edge"/>
-<title>Test results - RowTest</title>
-<link href="../css/base-style.css" rel="stylesheet" type="text/css"/>
-<link href="../css/style.css" rel="stylesheet" type="text/css"/>
-<script src="../js/report.js" type="text/javascript"></script>
-</head>
-<body>
-<div id="content">
-<h1>RowTest</h1>
-<div class="breadcrumbs">
-<a href="../index.html">all</a> &gt; 
-<a href="../packages/ladder.html">ladder</a> &gt; RowTest</div>
-<div id="summary">
-<table>
-<tr>
-<td>
-<div class="summaryGroup">
-<table>
-<tr>
-<td>
-<div class="infoBox" id="tests">
-<div class="counter">10</div>
-<p>tests</p>
-</div>
-</td>
-<td>
-<div class="infoBox" id="failures">
-<div class="counter">0</div>
-<p>failures</p>
-</div>
-</td>
-<td>
-<div class="infoBox" id="ignored">
-<div class="counter">0</div>
-<p>ignored</p>
-</div>
-</td>
-<td>
-<div class="infoBox" id="duration">
-<div class="counter">0s</div>
-<p>duration</p>
-</div>
-</td>
-</tr>
-</table>
-</div>
-</td>
-<td>
-<div class="infoBox success" id="successRate">
-<div class="percent">100%</div>
-<p>successful</p>
-</div>
-</td>
-</tr>
-</table>
-</div>
-<div id="tabs">
-<ul class="tabLinks">
-<li>
-<a href="#tab0">Tests</a>
-</li>
-</ul>
-<div id="tab0" class="tab">
-<h2>Tests</h2>
-<table>
-<thead>
-<tr>
-<th>Test</th>
-<th>Method name</th>
-<th>Duration</th>
-<th>Result</th>
-</tr>
-</thead>
-<tr>
-<td class="success">사다리 : 0</td>
-<td class="success">OneColWithoutLine()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">ValidateDrawLinePositionAlreadyHasLineLeft()</td>
-<td class="success">ValidateDrawLinePositionAlreadyHasLineLeft()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">ValidateDrawLinePositionAlreadyHasLineRight()</td>
-<td class="success">ValidateDrawLinePositionAlreadyHasLineRight()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">ValidateDrawLinePositionOverRange()</td>
-<td class="success">ValidateDrawLinePositionOverRange()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">ValidateDrawLinePositionUnderRange()</td>
-<td class="success">ValidateDrawLinePositionUnderRange()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">만들어진 사다리 이상의 사람 예외 처리</td>
-<td class="success">nthOfPersonValidateOutOfRangeMAX()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">1번째 이하의 사람 예외 처리</td>
-<td class="success">nthOfPersonValidateOutOfRangeMIN()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">사다리 : 110</td>
-<td class="success">oneRowThreeColWithLine()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">사다리 : 11</td>
-<td class="success">twoColWithLine()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-<tr>
-<td class="success">사다리 사람이 0명인 경우 예외처리</td>
-<td class="success">validateNumberOfPerson()</td>
-<td class="success">0s</td>
-<td class="success">passed</td>
-</tr>
-</table>
-</div>
-</div>
-<div id="footer">
-<p>
-<div>
-<label class="hidden" id="label-for-line-wrapping-toggle" for="line-wrapping-toggle">Wrap lines
-<input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
-</label>
-</div>Generated by 
-<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 10. 오후 2:19:09</p>
-</div>
-</div>
-</body>
-</html>
diff --git a/build/reports/tests/test/index.html b/build/reports/tests/test/index.html
index d468623..80548a7 100644
--- a/build/reports/tests/test/index.html
+++ b/build/reports/tests/test/index.html
@@ -20,13 +20,13 @@ <h1>Test Summary</h1>
 <tr>
 <td>
 <div class="infoBox" id="tests">
-<div class="counter">12</div>
+<div class="counter">1</div>
 <p>tests</p>
 </div>
 </td>
 <td>
 <div class="infoBox" id="failures">
-<div class="counter">0</div>
+<div class="counter">1</div>
 <p>failures</p>
 </div>
 </td>
@@ -38,7 +38,7 @@ <h1>Test Summary</h1>
 </td>
 <td>
 <div class="infoBox" id="duration">
-<div class="counter">0.007s</div>
+<div class="counter">0.036s</div>
 <p>duration</p>
 </div>
 </td>
@@ -47,8 +47,8 @@ <h1>Test Summary</h1>
 </div>
 </td>
 <td>
-<div class="infoBox success" id="successRate">
-<div class="percent">100%</div>
+<div class="infoBox failures" id="successRate">
+<div class="percent">0%</div>
 <p>successful</p>
 </div>
 </td>
@@ -58,13 +58,25 @@ <h1>Test Summary</h1>
 <div id="tabs">
 <ul class="tabLinks">
 <li>
-<a href="#tab0">Packages</a>
+<a href="#tab0">Failed tests</a>
+</li>
+<li>
+<a href="#tab1">Packages</a>
 </li>
 <li>
-<a href="#tab1">Classes</a>
+<a href="#tab2">Classes</a>
 </li>
 </ul>
 <div id="tab0" class="tab">
+<h2>Failed tests</h2>
+<ul class="linkList">
+<li>
+<a href="classes/ladder.LadderTest.html">LadderTest</a>.
+<a href="classes/ladder.LadderTest.html#runTest()">runTest()</a>
+</li>
+</ul>
+</div>
+<div id="tab1" class="tab">
 <h2>Packages</h2>
 <table>
 <thead>
@@ -79,19 +91,19 @@ <h2>Packages</h2>
 </thead>
 <tbody>
 <tr>
-<td class="success">
+<td class="failures">
 <a href="packages/ladder.html">ladder</a>
 </td>
-<td>12</td>
+<td>1</td>
+<td>1</td>
 <td>0</td>
-<td>0</td>
-<td>0.007s</td>
-<td class="success">100%</td>
+<td>0.036s</td>
+<td class="failures">0%</td>
 </tr>
 </tbody>
 </table>
 </div>
-<div id="tab1" class="tab">
+<div id="tab2" class="tab">
 <h2>Classes</h2>
 <table>
 <thead>
@@ -106,24 +118,14 @@ <h2>Classes</h2>
 </thead>
 <tbody>
 <tr>
-<td class="success">
+<td class="failures">
 <a href="classes/ladder.LadderTest.html">ladder.LadderTest</a>
 </td>
-<td>2</td>
-<td>0</td>
-<td>0</td>
-<td>0.007s</td>
-<td class="success">100%</td>
-</tr>
-<tr>
-<td class="success">
-<a href="classes/ladder.RowTest.html">ladder.RowTest</a>
-</td>
-<td>10</td>
-<td>0</td>
+<td>1</td>
+<td>1</td>
 <td>0</td>
-<td>0s</td>
-<td class="success">100%</td>
+<td>0.036s</td>
+<td class="failures">0%</td>
 </tr>
 </tbody>
 </table>
@@ -136,7 +138,7 @@ <h2>Classes</h2>
 <input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
 </label>
 </div>Generated by 
-<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 10. 오후 2:19:09</p>
+<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 30. 오후 4:43:02</p>
 </div>
 </div>
 </body>
diff --git a/build/reports/tests/test/packages/ladder.html b/build/reports/tests/test/packages/ladder.html
index da2ba46..7270a35 100644
--- a/build/reports/tests/test/packages/ladder.html
+++ b/build/reports/tests/test/packages/ladder.html
@@ -22,13 +22,13 @@ <h1>Package ladder</h1>
 <tr>
 <td>
 <div class="infoBox" id="tests">
-<div class="counter">12</div>
+<div class="counter">1</div>
 <p>tests</p>
 </div>
 </td>
 <td>
 <div class="infoBox" id="failures">
-<div class="counter">0</div>
+<div class="counter">1</div>
 <p>failures</p>
 </div>
 </td>
@@ -40,7 +40,7 @@ <h1>Package ladder</h1>
 </td>
 <td>
 <div class="infoBox" id="duration">
-<div class="counter">0.007s</div>
+<div class="counter">0.036s</div>
 <p>duration</p>
 </div>
 </td>
@@ -49,8 +49,8 @@ <h1>Package ladder</h1>
 </div>
 </td>
 <td>
-<div class="infoBox success" id="successRate">
-<div class="percent">100%</div>
+<div class="infoBox failures" id="successRate">
+<div class="percent">0%</div>
 <p>successful</p>
 </div>
 </td>
@@ -60,10 +60,22 @@ <h1>Package ladder</h1>
 <div id="tabs">
 <ul class="tabLinks">
 <li>
-<a href="#tab0">Classes</a>
+<a href="#tab0">Failed tests</a>
+</li>
+<li>
+<a href="#tab1">Classes</a>
 </li>
 </ul>
 <div id="tab0" class="tab">
+<h2>Failed tests</h2>
+<ul class="linkList">
+<li>
+<a href="../classes/ladder.LadderTest.html">LadderTest</a>.
+<a href="../classes/ladder.LadderTest.html#runTest()">runTest()</a>
+</li>
+</ul>
+</div>
+<div id="tab1" class="tab">
 <h2>Classes</h2>
 <table>
 <thread>
@@ -77,24 +89,14 @@ <h2>Classes</h2>
 </tr>
 </thread>
 <tr>
-<td class="success">
+<td class="failures">
 <a href="../classes/ladder.LadderTest.html">LadderTest</a>
 </td>
-<td>2</td>
-<td>0</td>
-<td>0</td>
-<td>0.007s</td>
-<td class="success">100%</td>
-</tr>
-<tr>
-<td class="success">
-<a href="../classes/ladder.RowTest.html">RowTest</a>
-</td>
-<td>10</td>
-<td>0</td>
+<td>1</td>
+<td>1</td>
 <td>0</td>
-<td>0s</td>
-<td class="success">100%</td>
+<td>0.036s</td>
+<td class="failures">0%</td>
 </tr>
 </table>
 </div>
@@ -106,7 +108,7 @@ <h2>Classes</h2>
 <input id="line-wrapping-toggle" type="checkbox" autocomplete="off"/>
 </label>
 </div>Generated by 
-<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 10. 오후 2:19:09</p>
+<a href="http://www.gradle.org">Gradle 7.4</a> at 2023. 3. 30. 오후 4:43:02</p>
 </div>
 </div>
 </body>
diff --git a/build/test-results/test/TEST-ladder.LadderTest.xml b/build/test-results/test/TEST-ladder.LadderTest.xml
index 6e34e99..975b060 100644
--- a/build/test-results/test/TEST-ladder.LadderTest.xml
+++ b/build/test-results/test/TEST-ladder.LadderTest.xml
@@ -1,8 +1,96 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<testsuite name="ladder.LadderTest" tests="2" skipped="0" failures="0" errors="0" timestamp="2023-03-10T05:19:09" hostname="gimjeong-uui-MacBookAir.local" time="0.007">
+<testsuite name="ladder.LadderTest" tests="1" skipped="0" failures="1" errors="0" timestamp="2023-03-30T07:43:02" hostname="DESKTOP-KQJP72I" time="0.036">
   <properties/>
-  <testcase name="1 -1 0 0 / 0 1 -1 0 / 1 -1 0 0" classname="ladder.LadderTest" time="0.006"/>
-  <testcase name="만들어진 사다리 이상의 사람 예외 처리" classname="ladder.LadderTest" time="0.001"/>
+  <testcase name="runTest()" classname="ladder.LadderTest" time="0.036">
+    <failure message="java.lang.ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4" type="java.lang.ArrayIndexOutOfBoundsException">java.lang.ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4
+	at ladder.Ladder.drawLne(Ladder.java:28)
+	at ladder.Ladder.run(Ladder.java:34)
+	at ladder.LadderTest.runTest(LadderTest.java:11)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
+	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
+	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:725)
+	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
+	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
+	at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
+	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:214)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:210)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:135)
+	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:66)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
+	at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
+	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
+	at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
+	at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
+	at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
+	at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
+	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
+	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96)
+	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:99)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:79)
+	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:75)
+	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:61)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
+	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
+	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
+	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
+	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
+	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
+	at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
+	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
+	at com.sun.proxy.$Proxy2.stop(Unknown Source)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
+	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
+	at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
+	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:133)
+	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
+	at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
+	at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
+</failure>
+  </testcase>
   <system-out><![CDATA[]]></system-out>
   <system-err><![CDATA[]]></system-err>
 </testsuite>
diff --git a/build/test-results/test/TEST-ladder.RowTest.xml b/build/test-results/test/TEST-ladder.RowTest.xml
deleted file mode 100644
index a59387f..0000000
--- a/build/test-results/test/TEST-ladder.RowTest.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<testsuite name="ladder.RowTest" tests="10" skipped="0" failures="0" errors="0" timestamp="2023-03-10T05:19:09" hostname="gimjeong-uui-MacBookAir.local" time="0.003">
-  <properties/>
-  <testcase name="ValidateDrawLinePositionAlreadyHasLineLeft()" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="ValidateDrawLinePositionOverRange()" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="사다리 : 11" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="만들어진 사다리 이상의 사람 예외 처리" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="1번째 이하의 사람 예외 처리" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="사다리 : 0" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="사다리 사람이 0명인 경우 예외처리" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="ValidateDrawLinePositionUnderRange()" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="사다리 : 110" classname="ladder.RowTest" time="0.0"/>
-  <testcase name="ValidateDrawLinePositionAlreadyHasLineRight()" classname="ladder.RowTest" time="0.0"/>
-  <system-out><![CDATA[]]></system-out>
-  <system-err><![CDATA[]]></system-err>
-</testsuite>
diff --git a/build/test-results/test/binary/results.bin b/build/test-results/test/binary/results.bin
index 365c81cfcc6da83e87c3b5a316e60f8605c1aef6..bd59d37a657a5208a47b0865e0af2013011c4f0c 100644
GIT binary patch
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literal 1021
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diff --git a/build/tmp/compileTestJava/previous-compilation-data.bin b/build/tmp/compileTestJava/previous-compilation-data.bin
index b21df9516ffbf63aaf934b4cc26285b72d734a0c..732b23a3149289e201602478f251ce9993fd6a1d 100644
GIT binary patch
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delta 631
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diff --git a/src/test/java/ladder/LadderTest.java b/src/test/java/ladder/LadderTest.java
index f04cc1a..9f70d13 100644
--- a/src/test/java/ladder/LadderTest.java
+++ b/src/test/java/ladder/LadderTest.java
@@ -17,6 +17,6 @@ public void runTest(){
     result = ladder.run(4);
     assertEquals(4, result);
     result = ladder.run(5);
-    assertEquals(5, result);}}
+    assertEquals(5, result);
 }
 }
\ No newline at end of file

From 001a2dc392dac4489660c888e731ec39555964f5 Mon Sep 17 00:00:00 2001
From: hyuja <wjsgmlwl61@gmail.com>
Date: Fri, 31 Mar 2023 13:29:17 +0900
Subject: [PATCH 4/4] =?UTF-8?q?refactor=20:=20=20numOfPeople=EC=99=80=20la?=
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MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

refactor : drawLine 오타 수정
---
 build/classes/java/main/ladder/Row.class      | Bin 1353 -> 248 bytes
 build/classes/java/test/ladder/RowTest.class  | Bin 4449 -> 0 bytes
 .../compileJava/previous-compilation-data.bin | Bin 144 -> 138 bytes
 src/main/java/ladder/Ladder.java              |  37 ++++++++----------
 4 files changed, 16 insertions(+), 21 deletions(-)
 delete mode 100644 build/classes/java/test/ladder/RowTest.class

diff --git a/build/classes/java/main/ladder/Row.class b/build/classes/java/main/ladder/Row.class
index 0b0180942da7b871dbf5c6166ff08f6e94b7519a..2fb449dbd85fa0ba6a1b45ebd1e13784fbebbe1c 100644
GIT binary patch
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diff --git a/build/classes/java/test/ladder/RowTest.class b/build/classes/java/test/ladder/RowTest.class
deleted file mode 100644
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GIT binary patch
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diff --git a/build/tmp/compileJava/previous-compilation-data.bin b/build/tmp/compileJava/previous-compilation-data.bin
index 8fe2111c4ffc9c3be388315a86bab1a47facb73b..bb14b2dc0e9a7ab4d12881751f234676e0eb0f41 100644
GIT binary patch
delta 51
zcmV-30L=f80g3^T8Y!BdcDk3P%(Y;>b_US+6<h^U0R{krZ+8#_brIFG?>P2_1s>q=
Jgdw+)Nk=Z&72yB?

delta 57
zcmV-90LK4{0gwTZ8ZVreK?dnL5o_$w-HAhUEF=X|0R{krZ+8$#j=tWGw4J!5L@lw%
Pdv`wp1pxs70FgsScPte6

diff --git a/src/main/java/ladder/Ladder.java b/src/main/java/ladder/Ladder.java
index 8bcf84b..99fb642 100644
--- a/src/main/java/ladder/Ladder.java
+++ b/src/main/java/ladder/Ladder.java
@@ -3,44 +3,39 @@
 import java.util.Random;
 
 public class Ladder {
-
-
-    private int numOfPeople;
-    private int ladderHeight;
+    private final int numOfPeople;
+    private final int ladderHeight;
     private int[][] ladder;
 
     public Ladder(int numOfPeople, int ladderHeight) {
         this.numOfPeople = numOfPeople;
         this.ladderHeight = ladderHeight;
-        ladder = new int[ladderHeight][numOfPeople - 1];
-
+        ladder = new int[numOfPeople - 1][ladderHeight];
     }
 
-    private void drawLne(int position) {
+    private int moveRightOrLeft(int currentPosition) {
+        return new Random().nextBoolean() ? currentPosition + 1 : currentPosition - 1;
+    }
 
-        Random random = new Random();
+    private void drawLine(int lineIndex) {
+        int position = lineIndex;
         for (int i = 0; i < ladderHeight; i++) {
-            if (random.nextBoolean()) {
-                position++;
-            } else if (position > 0) {
-                position--;
-            }
-            ladder[i][position] = 1;
+            position = moveRightOrLeft(position);
+            ladder[lineIndex][i] = position;
         }
     }
 
     public int run(int selectedLine) {
-        for (int i = 0; i < numOfPeople - 1; i++) {
-            drawLne(i);
+        for (int i = 0; i < ladder.length; i++) {
+            drawLine(i);
         }
         int result = selectedLine;
         for (int i = 0; i < ladderHeight; i++) {
-            if (ladder[i][result] == 1) {
-                result++;
-            } else if (result > 0 && ladder[i][result - 1] == 1) {
-                result--;
+            int currentLine = result - 1;
+            if (currentLine >= 0 && currentLine < ladder.length && ladder[currentLine][i] != i) {
+                result = ladder[currentLine][i];
             }
         }
-        return result + 1; //사다리번호는 1부터시작하므로 +1
+        return result;
     }
 }
\ No newline at end of file