@Test
    public void testParsingOfDenseTensorWithCells() {
        Tensor tensor = assertTensorField("{{x:0,y:0}:2.0,{x:1,y:0}:3.0}",
                                          createPutWithTensor("""
                                                              {
                                                                "cells": [
                                                                  { "address": { "x": 0, "y": 0 }, "value": 2.0 },
                                                                  { "address": { "x": 1, "y": 0 }, "value": 3.0 }
                                                                ]
                                                              }
                                                              """,
                                                              "dense_unbound_tensor"),
                                          "dense_unbound_tensor");
        assertTrue(tensor instanceof IndexedTensor); // this matters for performance
    }
Basic test of JSON streams to Vespa document instances.

@author Steinar Knutsen
@author bratseth
document/src/test/java/com/yahoo/document/json/JsonReaderTestCase.java