Add equality semantics for Claim

Author: paulrayner

src/warranty/Claim.java

@@ -1,9 +1,6 @@
 package warranty;
 
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.UUID;
+import java.util.*;
 
 /**
  * Claim represents a request for a benefit on an extended warranty. It contains a
@@ -22,4 +19,12 @@ public Claim(double amount, Date failureDate) {
 		this.amount      = amount;
 		this.failureDate = failureDate;
 	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) return true;
+		if (o == null || getClass() != o.getClass()) return false;
+		Claim claim = (Claim) o;
+		return Objects.equals(id, claim.id);
+	}
 }

src/warranty/ClaimTest.java

@@ -35,6 +35,16 @@ public void TestClaimIsSetupCorrectly()
     @Test
     public void TestClaimEquality()
     {
+        Claim claim1 = new Claim(100.0, new Date(2010, 5, 8));
+        Claim claim2 = new Claim(100.0, new Date(2010, 5, 8));
+        Claim claim3 = new Claim(100.0, new Date(2010, 5, 8));
+
+        UUID expectedId = UUID.randomUUID();
+        claim1.id = expectedId;
+        claim2.id = expectedId;
+        assertEquals(claim1, claim2);
+
+        assertNotEquals(claim1, claim3);
     }
 
 }