Add First/Second/SuperSecond test

src/test/java/com/avaje/tests/model/basic/first/First.java

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+package com.avaje.tests.model.basic.first;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "f_first")
+public class First {
+
+  @Id
+  Long id;
+
+  String name;
+
+  @OneToOne(mappedBy = "first", cascade = CascadeType.ALL)
+  Second second;
+
+  public Long getId() {
+    return id;
+  }
+
+  public void setId(Long id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public Second getSecond() {
+    return second;
+  }
+
+  public void setSecond(Second second) {
+    this.second = second;
+  }
+
+}

src/test/java/com/avaje/tests/model/basic/first/Second.java

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+package com.avaje.tests.model.basic.first;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+@Entity
+@Table(name = "f_second")
+public class Second extends SuperSecond {
+
+  @Id
+  Long id;
+
+  String title;
+
+  public Long getId() {
+    return id;
+  }
+
+  public void setId(Long id) {
+    this.id = id;
+  }
+
+  public String getTitle() {
+    return title;
+  }
+
+  public void setTitle(String title) {
+    this.title = title;
+  }
+
+}

src/test/java/com/avaje/tests/model/basic/first/SuperSecond.java

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+package com.avaje.tests.model.basic.first;
+
+import javax.persistence.CascadeType;
+import javax.persistence.JoinColumn;
+import javax.persistence.MappedSuperclass;
+import javax.persistence.OneToOne;
+
+@MappedSuperclass
+public abstract class SuperSecond {
+
+  @OneToOne(cascade = { CascadeType.PERSIST, CascadeType.MERGE })
+  @JoinColumn(name = "first")
+  protected First first;
+
+  public First getFirst() {
+    return first;
+  }
+
+  public void setFirst(First first) {
+    this.first = first;
+  }
+
+}

src/test/java/com/avaje/tests/model/basic/first/TestFirstSecond.java

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+package com.avaje.tests.model.basic.first;
+
+import org.junit.Test;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+
+public class TestFirstSecond extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    First first = new First();
+    first.setName("first");
+    Ebean.save(first);
+
+    Second second = new Second();
+    second.setTitle("John");
+    second.setFirst(first);
+    Ebean.save(second);
+
+    
+    second.getFirst().setName("changed");
+    Ebean.save(second);
+    Ebean.save(first);
+
+    
+  }
+}