3 files changed, 44 insertions, 4 deletions
diff --git a/src/Q4/README.md b/src/Q4/README.md
index 355bc0d..f2a0455 100644
--- a/src/Q4/README.md
+++ b/src/Q4/README.md
@@ -7,7 +7,9 @@ Student ID: 3431709
 
 ```text
 Craps is a dice game where two dice are rolled.
-Each die has six faces representing values 1, 2, 3, 4, 5, or 6.
+Each die has six faces representing values:
+
+1, 2, 3, 4, 5, or 6.
 
 1. If the sum is 2, 3, or 12 (called craps), you lose;
 2. If the sum is 7 or 11 (called natural), you win;
diff --git a/src/Q4/RandomSumGame.java b/src/Q4/RandomSumGame.java
index 823c32e..e5b6ce0 100644
--- a/src/Q4/RandomSumGame.java
+++ b/src/Q4/RandomSumGame.java
@@ -1,5 +1,7 @@
 package Q4;
 
+import java.util.*;
+
 public class RandomSumGame {
   private boolean start;
   private int d1;
@@ -8,7 +10,19 @@ public class RandomSumGame {
   private int valuePoint;
   private String status;
 
-  public void play(int d1, int d2) { }
-  public void play() { }
-  public void rollDice() {}
+  public void play(int d1, int d2) {}
+
+  public void play() {
+    this.rollDice();
+    this.play(this.d1, this.d2);
+  }
+
+  public void rollDice() {
+    this.d1 = this.roll();
+    this.d2 = this.roll();
+  }
+
+  private int roll() {
+    return new Random().nextInt(5) + 1;
+  }
 }
diff --git a/src/Q4/RandomSumGameTest.java b/src/Q4/RandomSumGameTest.java
new file mode 100644
index 0000000..3a5e26c
--- /dev/null
+++ b/src/Q4/RandomSumGameTest.java
@@ -0,0 +1,24 @@
+package ca.mokhan.test;
+
+import Q4.*;
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+public class RandomSumGameTest extends TestCase {
+  private RandomSumGame subject;
+
+  public RandomSumGameTest(String testName) {
+    super(testName);
+    this.subject = new RandomSumGame();
+  }
+
+  public static Test suite() {
+    return new TestSuite(RandomSumGameTest.class);
+  }
+
+  public void test_play() {
+    subject.play();
+    assertTrue(true);
+  }
+}