fix for bug 2471: accept null as boat class name and using default values for the boat class in this case

java/com.sap.sailing.domain.test/src/com/sap/sailing/domain/common/BoatClassWithNullNameTest.java

@@ -0,0 +1,25 @@
+package com.sap.sailing.domain.common;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+
+import org.junit.Test;
+
+import com.sap.sailing.domain.base.BoatClass;
+import com.sap.sailing.domain.base.DomainFactory;
+
+public class BoatClassWithNullNameTest {
+    /**
+     * See bug 2471
+     */
+    @Test
+    public void testCreatingBoatClassWithNullName() {
+        DomainFactory domainFactory = DomainFactory.INSTANCE;
+        BoatClass boatClass = domainFactory.getOrCreateBoatClass(null);
+        assertNotNull(boatClass);
+        assertNull(boatClass.getName());
+        BoatClass boatClass2 = domainFactory.getOrCreateBoatClass(null);
+        assertSame(boatClass, boatClass2);
+    }
+}