(lastState: SampleState)
| 63 | } |
| 64 | |
| 65 | private _iterate(lastState: SampleState): Promise<SampleState> { |
| 66 | let resultPromise: Promise<SampleState | null>; |
| 67 | if (this._prepare !== Options.NO_PREPARE) { |
| 68 | resultPromise = this._driver.waitFor(this._prepare); |
| 69 | } else { |
| 70 | resultPromise = Promise.resolve(null); |
| 71 | } |
| 72 | if (this._prepare !== Options.NO_PREPARE || lastState.completeSample.length === 0) { |
| 73 | resultPromise = resultPromise.then((_) => this._metric.beginMeasure()); |
| 74 | } |
| 75 | return resultPromise |
| 76 | .then((_) => this._driver.waitFor(this._execute)) |
| 77 | .then((_) => this._metric.endMeasure(this._prepare === Options.NO_PREPARE)) |
| 78 | .then((measureValues) => { |
| 79 | if (!!measureValues['invalid']) { |
| 80 | return lastState; |
| 81 | } |
| 82 | return this._report(lastState, measureValues); |
| 83 | }); |
| 84 | } |
| 85 | |
| 86 | private _report(state: SampleState, metricValues: {[key: string]: any}): Promise<SampleState> { |
| 87 | const measureValues = new MeasureValues(state.completeSample.length, this._now(), metricValues); |
no test coverage detected