Function measureAddRemove

packages/zone.js/test/performance/performance_setup.js:206–239

(api, ops)

  }

  function measureAddRemove(api, ops) {
    var times = ops.times;
    var displayText = ops.displayText;
    var rawData = ops.rawData;
    var summary = ops.summary;

    var name = api.method;
    var nativeName = getNativeMethodName(api.nativeMethod);

    var measure = averageMeasures(name, times);
    var nativeMeasure = averageMeasures(nativeName, times);
    displayText += `- ${name} costs ${measure} ms\n`;
    displayText += `- ${nativeName} costs ${nativeMeasure} ms\n`;
    var percent = Math.floor((100 * (measure - nativeMeasure)) / nativeMeasure);
    displayText += `# ${name} is ${percent}% slower than ${nativeName}\n`;
    rawData[name + '_measure'] = measure;
    rawData[nativeName + '_measure'] = nativeMeasure;
    summary[name] = percent + '%';
    if (api.supportClear) {
      var clearName = api.clearMethod;
      var nativeClearName = getNativeMethodName(api.nativeClearMethod);
      var clearMeasure = averageMeasures(clearName, times);
      var nativeClearMeasure = averageMeasures(nativeClearName, times);
      var clearPercent = Math.floor(
        (100 * (clearMeasure - nativeClearMeasure)) / nativeClearMeasure,
      );
      displayText += `- ${clearName} costs ${clearMeasure} ms\n`;
      displayText += `- ${nativeClearName} costs ${nativeClearMeasure} ms\n`;
      displayText += `# ${clearName} is ${clearPercent}% slower than ${nativeClearName}\n`;
      rawData[clearName + '_measure'] = clearMeasure;
      rawData[nativeClearName + '_measure'] = nativeClearMeasure;
      summary[clearName] = clearPercent + '%';
    }
  }

  var testRunner = (_global['__zone_symbol__testRunner'] = function (testTarget) {
    var title = testTarget.title;