@Test
  public void testCreateGenerator() throws Exception {

    EbeanServer server = Ebean.getDefaultServer();

    StringWriter writer = new StringWriter();
    JsonContext json = server.json();
    JsonGenerator generator = json.createGenerator(writer);

    Customer customer = new Customer();
    customer.setId(1);
    customer.setName("Jim");

    // we can use the generator before and after our json.toJson() call
    // ... confirming we are not closing the generator
    generator.writeStartArray();
    json.toJson(customer, generator, PathProperties.parse("id,name"));
    generator.writeEndArray();
    generator.close();

    String jsonString = writer.toString();
    assertTrue(jsonString, jsonString.startsWith("["));
    assertTrue(jsonString, jsonString.endsWith("]"));
    assertTrue(jsonString, jsonString.contains("{\"id\":1,\"name\":\"Jim\"}"));
  }
  @Test
  public void testCreateGenerator_writeRaw() throws Exception {

    EbeanServer server = Ebean.getDefaultServer();

    StringWriter writer = new StringWriter();
    JsonContext json = server.json();
    JsonGenerator generator = json.createGenerator(writer);

    // test that we can write anything via writeRaw()
    generator.writeRaw("START");
    generator.writeStartArray();
    generator.writeStartObject();
    generator.writeNumberField("count", 12);
    generator.writeEndObject();
    generator.writeEndArray();
    generator.writeRaw("END");
    generator.close();

    assertEquals("START[{\"count\":12}]END", writer.toString());
  }