Complete RewardValue class and tests

src/main/java/RewardValue.java

@@ -0,0 +1,29 @@
+public class RewardValue {
+    private double cashValue;
+    private int milesValue;
+
+    // Conversion rate from miles to cash
+    public static final double MILES_TO_CASH_CONVERSION_RATE = 0.0035;
+
+    // Constructor for cash value
+    public RewardValue(double cashValue) {
+        this.cashValue = cashValue;
+        this.milesValue = (int) (cashValue / MILES_TO_CASH_CONVERSION_RATE);  // Convert cash to miles
+    }
+
+    // Constructor for miles value
+    public RewardValue(int milesValue) {
+        this.milesValue = milesValue;
+        this.cashValue = milesValue * MILES_TO_CASH_CONVERSION_RATE;  // Convert miles to cash
+    }
+
+    // Method to get the cash value
+    public double getCashValue() {
+        return this.cashValue;
+    }
+
+    // Method to get the miles value
+    public int getMilesValue() {
+        return this.milesValue;
+    }
+}

src/test/java/RewardValueTests.java

@@ -15,16 +15,22 @@ void create_with_cash_value() {
     void create_with_miles_value() {
         int milesValue = 10000;
         var rewardValue = new RewardValue(milesValue);
-        assertEquals(milesValue, rewardValue.getMilesValue());
+        assertEquals(milesValue, rewardValue.getMilesValue(), "Miles value should match");
     }
 
     @Test
     void convert_from_cash_to_miles() {
-        assert false;
+        double cashValue = 100.0;
+        RewardValue rewardValue = new RewardValue(cashValue);
+        int expectedMiles = (int) (cashValue / RewardValue.MILES_TO_CASH_CONVERSION_RATE);
+        assertEquals(expectedMiles, rewardValue.getMilesValue(), "Cash to miles conversion failed");
     }
 
     @Test
     void convert_from_miles_to_cash() {
-        assert false;
+        int milesValue = 10000;
+        RewardValue rewardValue = new RewardValue(milesValue);
+        double expectedCash = milesValue * RewardValue.MILES_TO_CASH_CONVERSION_RATE;
+        assertEquals(expectedCash, rewardValue.getCashValue(), "Miles to cash conversion failed");
     }
 }