@Test
public void constructArray() {

  assertEquals(
      new ExprCollectionValue(ImmutableList.of(new ExprTupleValue(
          new LinkedHashMap<String, ExprValue>() {
            {
              put("info", stringValue("zz"));
              put("author", stringValue("au"));
            }
          }))),
      tupleValue("{\"arrayV\":[{\"info\":\"zz\",\"author\":\"au\"}]}").get("arrayV"));
}