| <!DOCTYPE html> | 
 | <!-- | 
 | Licensed to the Apache Software Foundation (ASF) under one | 
 | or more contributor license agreements.  See the NOTICE file | 
 | distributed with this work for additional information | 
 | regarding copyright ownership.  The ASF licenses this file | 
 | to you under the Apache License, Version 2.0 (the | 
 | "License"); you may not use this file except in compliance | 
 | with the License.  You may obtain a copy of the License at | 
 |  | 
 |    http://www.apache.org/licenses/LICENSE-2.0 | 
 |  | 
 | Unless required by applicable law or agreed to in writing, | 
 | software distributed under the License is distributed on an | 
 | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
 | KIND, either express or implied.  See the License for the | 
 | specific language governing permissions and limitations | 
 | under the License. | 
 | --> | 
 |  | 
 |  | 
 | <html> | 
 |     <head> | 
 |         <meta charset="utf-8"> | 
 |         <meta name="viewport" content="width=device-width, initial-scale=1" /> | 
 |         <script src="lib/simpleRequire.js"></script> | 
 |         <script src="lib/config.js"></script> | 
 |         <script src="lib/jquery.min.js"></script> | 
 |         <script src="lib/facePrint.js"></script> | 
 |         <script src="lib/testHelper.js"></script> | 
 |         <!-- <script src="ut/lib/canteen.js"></script> --> | 
 |         <link rel="stylesheet" href="lib/reset.css" /> | 
 |     </head> | 
 |     <body> | 
 |         <style> | 
 |         </style> | 
 |  | 
 |  | 
 |  | 
 |         <div id="main0_0"></div> | 
 |         <div id="main0_1"></div> | 
 |         <div id="main0_2"></div> | 
 |         <div id="main1"></div> | 
 |         <div id="main2"></div> | 
 |         <div id="main3"></div> | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |             // opt: {addTableHead} | 
 |             function createBasicTestOptionForArrayRows(opt) { | 
 |                 var source = [ | 
 |                     [10, 50, 100, 'T'], | 
 |                     [19, 59, 109, 'Q'] | 
 |                 ]; | 
 |                 if (opt.addTableHead) { | 
 |                     source.unshift( | 
 |                         ['h0', 'h1', 'h2', 'h3'] | 
 |                     ); | 
 |                 } | 
 |  | 
 |                 var option = { | 
 |                     color: ['blue', 'green', 'orange', 'red', 'purple', 'pink'], | 
 |                     dataset: { | 
 |                         source: source | 
 |                     }, | 
 |                     tooltip: { | 
 |                         // formatter: function (params) { | 
 |                         //     console.log(params); | 
 |                         // } | 
 |                     }, | 
 |                     xAxis: [{ | 
 |                     }, { | 
 |                         type: 'category', | 
 |                         name: 'category1', | 
 |                         position: 'bottom', | 
 |                         offset: 30 | 
 |                     }, { | 
 |                         name: 'category2', | 
 |                         data: ['Q', 'T'], | 
 |                         position: 'bottom', | 
 |                         offset: 60 | 
 |                     }], | 
 |                     yAxis: {}, | 
 |                     legend: { | 
 |                         orient: 'vertical', | 
 |                         left: 0, | 
 |                         bottom: 10 | 
 |                     }, | 
 |                     grid: { | 
 |                         left: 170, | 
 |                         bottom: 100 | 
 |                     }, | 
 |                     series: [{ | 
 |                         name: '{x: 0, y: 1} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 0, y: 1}, | 
 |                     }, { | 
 |                         name: '{x: 0, y: 2} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 0, y: 2}, | 
 |                     }, { | 
 |                         name: '{x: 2, y: 0} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 2, y: 0}, | 
 |                     }, { | 
 |                         name: '{x: 3, y: 0} xAxis1', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 1, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 3, y: 0}, | 
 |                     }, { | 
 |                         name: '{x: 3, y: 1} xAxis1', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 1, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 3, y: 1}, | 
 |                     }, { | 
 |                         name: '{x: 3, y: 0} xAxis2', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 2, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 3, y: 0}, | 
 |                     }] | 
 |                 }; | 
 |  | 
 |                 return { | 
 |                     option: option, | 
 |                     titleDesc: [ | 
 |                         'blue: **(10, 50), (19, 59)**', | 
 |                         'green: **(10, 100), (19, 109)**', | 
 |                         'orange: **(100, 10), (109, 19)**', | 
 |                         'red: **(T, 10), (Q, 19)**', | 
 |                         'purple: **(T, 50), (Q, 59)**', | 
 |                         'pink: **(T, 19), (Q, 10)**' | 
 |                     ], | 
 |                     printAssert: function (chart) { | 
 |                         testHelper.printAssert(chart, function (assert) { | 
 |                             var ecModel = chart.getModel(); | 
 |                             var storage0 = ecModel.getSeriesByIndex(0).getData().getStore(); | 
 |                             var storage1 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                             var storage2 = ecModel.getSeriesByIndex(2).getData().getStore(); | 
 |                             var storage3 = ecModel.getSeriesByIndex(3).getData().getStore(); | 
 |                             var storage4 = ecModel.getSeriesByIndex(4).getData().getStore(); | 
 |                             var storage5 = ecModel.getSeriesByIndex(5).getData().getStore(); | 
 |                             assert( | 
 |                                 storage0 === storage1 | 
 |                                 && storage1 === storage2 | 
 |                                 && storage2 !== storage3 | 
 |                                 && storage3 === storage4 | 
 |                                 && storage4 !== storage5 | 
 |                             ); | 
 |                         }); | 
 |                     } | 
 |                 }; | 
 |             } | 
 |  | 
 |             function createBasicTestOptionForObjectRows() { | 
 |                 var option = { | 
 |                     color: ['blue', 'green', 'orange', 'red', 'purple', 'pink'], | 
 |                     dataset: { | 
 |                         source: [ | 
 |                             {aa: 10, bb: 50, cc: 100, dd: 'T'}, | 
 |                             {aa: 19, bb: 59, cc: 109, dd: 'Q'} | 
 |                         ] | 
 |                     }, | 
 |                     tooltip: {}, | 
 |                     xAxis: [{ | 
 |                     }, { | 
 |                         type: 'category', | 
 |                         name: 'category1', | 
 |                         position: 'bottom', | 
 |                         offset: 30 | 
 |                     }, { | 
 |                         name: 'category2', | 
 |                         data: ['Q', 'T'], | 
 |                         position: 'bottom', | 
 |                         offset: 60 | 
 |                     }], | 
 |                     yAxis: {}, | 
 |                     legend: { | 
 |                         orient: 'vertical', | 
 |                         left: 0, | 
 |                         bottom: 10 | 
 |                     }, | 
 |                     grid: { | 
 |                         left: 170, | 
 |                         bottom: 100 | 
 |                     }, | 
 |                     series: [{ | 
 |                         name: '{x: aa, y: bb} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'aa', y: 'bb'}, | 
 |                     }, { | 
 |                         name: '{x: aa, y: cc} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'aa', y: 'cc'}, | 
 |                     }, { | 
 |                         name: '{x: cc, y: aa} xAxis0', | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'cc', y: 'aa'}, | 
 |                     }, { | 
 |                         name: '{x: dd, y: aa} xAxis1', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 1, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'dd', y: 'aa'}, | 
 |                     }, { | 
 |                         name: '{x: dd, y: bb} xAxis1', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 1, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'dd', y: 'bb'}, | 
 |                     }, { | 
 |                         name: '{x: dd, y: aa} xAxis2', | 
 |                         type: 'scatter', | 
 |                         xAxisIndex: 2, | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: {x: 'dd', y: 'aa'}, | 
 |                     }] | 
 |                 }; | 
 |  | 
 |                 return { | 
 |                     option: option, | 
 |                     titleDesc: [ | 
 |                         'blue: **(10, 50), (19, 59)**', | 
 |                         'green: **(10, 100), (19, 109)**', | 
 |                         'orange: **(100, 10), (109, 19)**', | 
 |                         'red: **(T, 10), (Q, 19)**', | 
 |                         'purple: **(T, 50), (Q, 59)**', | 
 |                         'pink: **(T, 19), (Q, 10)**' | 
 |                     ], | 
 |                     printAssert: function (chart) { | 
 |                         testHelper.printAssert(chart, function (assert) { | 
 |                             var ecModel = chart.getModel(); | 
 |                             var storage0 = ecModel.getSeriesByIndex(0).getData().getStore(); | 
 |                             var storage1 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                             var storage2 = ecModel.getSeriesByIndex(2).getData().getStore(); | 
 |                             var storage3 = ecModel.getSeriesByIndex(3).getData().getStore(); | 
 |                             var storage4 = ecModel.getSeriesByIndex(4).getData().getStore(); | 
 |                             var storage5 = ecModel.getSeriesByIndex(5).getData().getStore(); | 
 |                             assert( | 
 |                                 storage0 === storage1 | 
 |                                 && storage1 === storage2 | 
 |                                 && storage2 !== storage3 | 
 |                                 && storage3 === storage4 | 
 |                                 && storage4 !== storage5 | 
 |                             ); | 
 |                         }); | 
 |                     } | 
 |                 }; | 
 |             } | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |         require([ | 
 |             'echarts', | 
 |         ], function (echarts) { | 
 |             var optionInfo = createBasicTestOptionForArrayRows({addTableHead: false}); | 
 |             var chart = testHelper.create(echarts, 'main0_0', { | 
 |                 title: [ | 
 |                     '(arrayRows)', | 
 |                     'Different encode should works properly when sharing one dataset **without** dimensions', | 
 |                 ].concat(optionInfo.titleDesc), | 
 |                 option: optionInfo.option, | 
 |                 height: 350 | 
 |             }); | 
 |  | 
 |             optionInfo.printAssert(chart); | 
 |         }); | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |         require([ | 
 |             'echarts', | 
 |         ], function (echarts) { | 
 |             var optionInfo = createBasicTestOptionForArrayRows({addTableHead: true}); | 
 |             var chart = testHelper.create(echarts, 'main0_1', { | 
 |                 title: [ | 
 |                     '(arrayRows)', | 
 |                     'Different encode should works properly when sharing one dataset **with** dimensions', | 
 |                 ].concat(optionInfo.titleDesc), | 
 |                 option: optionInfo.option, | 
 |                 height: 350 | 
 |             }); | 
 |  | 
 |             optionInfo.printAssert(chart); | 
 |         }); | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |         require([ | 
 |             'echarts', | 
 |         ], function (echarts) { | 
 |             var optionInfo = createBasicTestOptionForObjectRows(); | 
 |  | 
 |             var chart = testHelper.create(echarts, 'main0_2', { | 
 |                 title: [ | 
 |                     '(objectRows)', | 
 |                     'Different encode should works properly when sharing one dataset without dimensions', | 
 |                 ].concat(optionInfo.titleDesc), | 
 |                 option: optionInfo.option, | 
 |                 height: 350 | 
 |             }); | 
 |  | 
 |             optionInfo.printAssert(chart); | 
 |         }); | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |             require([ | 
 |                 'echarts', | 
 |             ], function (echarts) { | 
 |                 var option; | 
 |  | 
 |                 // If dimIndexMax biggger then 30, only the used dimensions will be processed. | 
 |                 var dimIndexMax = 32; | 
 |                 var dimIndexMaxMinus1 = dimIndexMax - 1; | 
 |                 var categoryDimIndex = 5; | 
 |  | 
 |                 var source = [ | 
 |                     ['year'], | 
 |                     ['2021'], | 
 |                     ['2022'], | 
 |                 ]; | 
 |                 for (var i = 0; i < dimIndexMax; i++) { | 
 |                     source[0].push('a' + (i + 1)); | 
 |                     source[1].push(Math.random()); | 
 |                     source[2].push(Math.random()); | 
 |                 } | 
 |                 source[1][1] = 1; | 
 |                 source[2][1] = 9; | 
 |                 source[1][dimIndexMax] = 111; | 
 |                 source[2][dimIndexMax] = 999; | 
 |                 source[1][dimIndexMaxMinus1] = 555; | 
 |                 source[2][dimIndexMaxMinus1] = 333; | 
 |                 source[1][categoryDimIndex] = 'tag0'; | 
 |                 source[2][categoryDimIndex] = 'tag1'; | 
 |  | 
 |                 option = { | 
 |                     xAxis: { | 
 |                         type: 'category', | 
 |                         scale: true | 
 |                     }, | 
 |                     yAxis: {}, | 
 |                     dataset: { | 
 |                         source: source | 
 |                     }, | 
 |                     tooltip: { | 
 |                         position: 'top' | 
 |                     }, | 
 |                     grid: { | 
 |                         left: 150 | 
 |                     }, | 
 |                     visualMap: { | 
 |                         min: 111, | 
 |                         max: 999, | 
 |                         left: 10, | 
 |                         top: 'middle', | 
 |                         calculable: true, | 
 |                         dimension: dimIndexMax, | 
 |                         inRange: { | 
 |                             color: ['green', 'red'] | 
 |                         } | 
 |                     }, | 
 |                     series: [{ | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         symbolSize: 30, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax, | 
 |                             label: categoryDimIndex | 
 |                         } | 
 |                     }, { | 
 |                         type: 'line', | 
 |                         showSymbol: false, | 
 |                         lineStyle: { | 
 |                             width: 5, | 
 |                         }, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax | 
 |                         } | 
 |                     }, { | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             formatter: '{@[' + categoryDimIndex + ']}', | 
 |                             position: 'top' | 
 |                         }, | 
 |                         symbol: 'rect', | 
 |                         symbolSize: 30, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMaxMinus1, | 
 |                         } | 
 |                     }] | 
 |                 }; | 
 |                 var chart = testHelper.create(echarts, 'main1', { | 
 |                     title: [ | 
 |                         'Should omit dimensions propery', | 
 |                         '[circle scatter]: **111, 999**, label: **tag0 tag1**, color **green, red**', | 
 |                         '[line]: color: gradient from **green** to **red**', | 
 |                         '[rect scatter]: **555, 333**, label: **tag0 tag1**, color **green, red**', | 
 |                     ], | 
 |                     option: option, | 
 |                     height: 350 | 
 |                 }); | 
 |  | 
 |                 chart && chart.dispatchAction({ | 
 |                     type: 'showTip', | 
 |                     dataIndex: 1, | 
 |                     seriesIndex: 0 | 
 |                 }) | 
 |  | 
 |                 testHelper.printAssert(chart, function (assert) { | 
 |                     var ecModel = chart.getModel(); | 
 |                     var storage0 = ecModel.getSeriesByIndex(0).getData().getStore(); | 
 |                     var storage1 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                     var storage2 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                     assert(storage0 === storage1); | 
 |                     assert(storage1 === storage2); | 
 |  | 
 |                     var data0 = ecModel.getSeriesByIndex(0).getData(); | 
 |                     var data1 = ecModel.getSeriesByIndex(1).getData(); | 
 |                     assert(data0.dimensions.length === 3); | 
 |                     assert(data1.dimensions.length === 2); | 
 |                 }); | 
 |  | 
 |             }); | 
 |         </script> | 
 |  | 
 |  | 
 |         <script> | 
 |             require([ | 
 |                 'echarts', | 
 |             ], function (echarts) { | 
 |                 var option; | 
 |  | 
 |                 // If dimIndexMax biggger then 30, only the used dimensions will be processed. | 
 |                 var dimIndexMax = 32; | 
 |                 var dimensions = ['year']; | 
 |  | 
 |                 var source = [ | 
 |                     ['2021'], | 
 |                     ['2022'], | 
 |                 ]; | 
 |                 for (var i = 0; i < dimIndexMax; i++) { | 
 |                     dimensions.push('a' + i); | 
 |                     source[0].push(Math.random()); | 
 |                     source[1].push(Math.random()); | 
 |                 } | 
 |                 source[0][1] = 1; | 
 |                 source[1][1] = 9; | 
 |                 source[0][dimIndexMax] = 111; | 
 |                 source[1][dimIndexMax] = 999; | 
 |                 dimensions[1] = null; | 
 |                 dimensions[2] = null; | 
 |                 dimensions[dimIndexMax] = null; | 
 |  | 
 |                 option = { | 
 |                     xAxis: { | 
 |                         type: 'category', | 
 |                         scale: true | 
 |                     }, | 
 |                     yAxis: {}, | 
 |                     dataset: { | 
 |                         dimensions: dimensions, | 
 |                         source: source | 
 |                     }, | 
 |                     tooltip: { | 
 |                         position: 'top' | 
 |                     }, | 
 |                     visualMap: { | 
 |                         min: 111, | 
 |                         max: 999, | 
 |                         left: 10, | 
 |                         top: 'middle', | 
 |                         calculable: true, | 
 |                         dimension: dimIndexMax, | 
 |                         inRange: { | 
 |                             color: ['orange', 'blue'] | 
 |                         } | 
 |                     }, | 
 |                     series: [{ | 
 |                         type: 'scatter', | 
 |                         label: { | 
 |                             show: true, | 
 |                             position: 'bottom' | 
 |                         }, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax | 
 |                         } | 
 |                     }, { | 
 |                         type: 'line', | 
 |                         showSymbol: false, | 
 |                         lineStyle: { | 
 |                             width: 5, | 
 |                         }, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax | 
 |                         } | 
 |                     }] | 
 |                 }; | 
 |  | 
 |                 var chart = testHelper.create(echarts, 'main2', { | 
 |                     title: [ | 
 |                         'Should omit dimensions propery', | 
 |                         'label and tooltip should display **111, 999**', | 
 |                         'symbol color should be **orange, blue**', | 
 |                         'line color should gradient from **orange to blue**' | 
 |                     ], | 
 |                     option: option | 
 |                 }); | 
 |  | 
 |                 testHelper.printAssert(chart, function (assert) { | 
 |                     var ecModel = chart.getModel(); | 
 |                     var storage0 = ecModel.getSeriesByIndex(0).getData().getStore(); | 
 |                     var storage1 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                     assert(storage0 === storage1); | 
 |  | 
 |                     var data0 = ecModel.getSeriesByIndex(0).getData(); | 
 |                     var data1 = ecModel.getSeriesByIndex(1).getData(); | 
 |                     assert(data0.dimensions.length === 2); | 
 |                     assert(data1.dimensions.length === 2); | 
 |  | 
 |                     for (let i = 0; i < data1.dimensions.length; i++) { | 
 |                         assert(data1.dimensions[i]); | 
 |                     } | 
 |                 }); | 
 |  | 
 |             }); | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |         <script> | 
 |             require([ | 
 |                 'echarts', | 
 |             ], function (echarts) { | 
 |                 var option; | 
 |                 // If dimIndexMax biggger then 30, only the used dimensions will be processed. | 
 |                 var dimIndexMax = 5; | 
 |  | 
 |                 function makeDatatsetSource(dataCount3) { | 
 |  | 
 |                     var source = [ | 
 |                         ['year'], | 
 |                         ['2021'], | 
 |                         ['2022'], | 
 |                     ]; | 
 |                     if (dataCount3) { | 
 |                         source.push(['2023']); | 
 |                     } | 
 |                     for (var i = 0; i < dimIndexMax; i++) { | 
 |                         source[0].push('a' + i); | 
 |                         source[1].push(Math.random()); | 
 |                         source[2].push(Math.random()); | 
 |                         if (dataCount3) { | 
 |                             source[3].push(Math.random()); | 
 |                         } | 
 |                     } | 
 |                     source[1][1] = 1; | 
 |                     source[1][dimIndexMax] = 110; | 
 |                     source[1][dimIndexMax - 1] = 55; | 
 |                     source[1][dimIndexMax - 2] = 27.5; | 
 |                     source[2][1] = 2; | 
 |                     source[2][dimIndexMax] = 210; | 
 |                     source[2][dimIndexMax - 1] = 105; | 
 |                     source[2][dimIndexMax - 2] = 52.5; | 
 |                     if (dataCount3) { | 
 |                         source[3][1] = 3; | 
 |                         source[3][dimIndexMax] = 310; | 
 |                         source[3][dimIndexMax - 1] = 155; | 
 |                         source[3][dimIndexMax - 2] = 77.5; | 
 |                     } | 
 |  | 
 |                     return source; | 
 |                 } | 
 |  | 
 |                 var datasetSource = makeDatatsetSource(); | 
 |  | 
 |                 option = { | 
 |                     xAxis: { | 
 |                         type: 'category', | 
 |                         scale: true | 
 |                     }, | 
 |                     yAxis: {}, | 
 |                     toolbox: { | 
 |                         feature: { | 
 |                             magicType: { | 
 |                                 type: ['stack', 'tiled'] | 
 |                             } | 
 |                         } | 
 |                     }, | 
 |                     dataset: { | 
 |                         source: datasetSource | 
 |                     }, | 
 |                     tooltip: { | 
 |                         position: 'top' | 
 |                     }, | 
 |                     legend: {}, | 
 |                     series: [{ | 
 |                         type: 'bar', | 
 |                         name: 'Y: 110, 210', | 
 |                         label: {show: true}, | 
 |                         stack: 'ss', | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax | 
 |                         } | 
 |                     }, { | 
 |                         type: 'bar', | 
 |                         stack: 'ss', | 
 |                         id: 'toBeChanged', | 
 |                         name: 'Y: 55, 105', | 
 |                         label: {show: true}, | 
 |                         encode: { | 
 |                             x: 0, | 
 |                             y: dimIndexMax - 1 | 
 |                         } | 
 |                     }] | 
 |                 }; | 
 |                 var chart = testHelper.create(echarts, 'main3', { | 
 |                     title: [ | 
 |                         'datastack test.', | 
 |                     ], | 
 |                     option: option, | 
 |                     buttons: [{ | 
 |                         text: 'Only setOption dataset: append one item', | 
 |                         onclick: function () { | 
 |                             var option2 = { | 
 |                                 dataset: { | 
 |                                     source: makeDatatsetSource(true) | 
 |                                 } | 
 |                             }; | 
 |                             chart.setOption(option2); | 
 |                             commonAsserts(); | 
 |                         } | 
 |                     }, { | 
 |                         text: 'Only setOption series: change green series encode.y', | 
 |                         onclick: function () { | 
 |                             var option3 = { | 
 |                                 series: { | 
 |                                     id: 'toBeChanged', | 
 |                                     encode: { | 
 |                                         x: 0, | 
 |                                         y: dimIndexMax - 2 | 
 |                                     } | 
 |                                 } | 
 |                             }; | 
 |                             chart.setOption(option3); | 
 |                             commonAsserts(); | 
 |                         } | 
 |                     }] | 
 |                 }); | 
 |  | 
 |                 commonAsserts(); | 
 |  | 
 |                 // After click, chunks count should be the same. | 
 |                 function commonAsserts() { | 
 |                     testHelper.printAssert(chart, function (assert) { | 
 |                         var ecModel = chart.getModel(); | 
 |                         var storage0 = ecModel.getSeriesByIndex(0).getData().getStore(); | 
 |                         var storage1 = ecModel.getSeriesByIndex(1).getData().getStore(); | 
 |                         assert(storage0 === storage1); | 
 |                         // 2 more dimension for data stack calculation for each series. | 
 |                         var expectedChunkCount = dimIndexMax + 1 + 2 * 2; | 
 |                         assert(storage0._chunks.length === expectedChunkCount); | 
 |                     }); | 
 |                 } | 
 |             }); | 
 |         </script> | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |  | 
 |     </body> | 
 | </html> | 
 |  |