@Test
public void testMarshal() {

    this.mapConverter.marshal(this.data, this.writerMock, null);
    Mockito.verify(this.writerMock).startNode("ONE");
    Mockito.verify(this.writerMock).setValue("1.0");
    Mockito.verify(this.writerMock).startNode("TWO");
    Mockito.verify(this.writerMock).setValue("2");
    Mockito.verify(this.writerMock).startNode("THREE");
    Mockito.verify(this.writerMock).setValue(null);
    Mockito.verify(this.writerMock, Mockito.times(3)).endNode();
}