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1 'use strict'; | 1 'use strict'; |
2 | 2 |
3 // Run a set of tests for a given |sensorType|. |updateReading| is | 3 // Run a set of tests for a given |sensorType|. |updateReading| is |
4 // a called by the test to provide the mock values for sensor. |verifyReading| | 4 // a called by the test to provide the mock values for sensor. |verifyReading| |
5 // is called so that the value read in JavaScript are the values expected (the o
nes | 5 // is called so that the value read in JavaScript are the values expected (the o
nes |
6 // sent by |updateReading|). | 6 // sent by |updateReading|). |
7 function runGenericSensorTests(sensorType, updateReading, verifyReading) { | 7 function runGenericSensorTests(sensorType, updateReading, verifyReading) { |
8 test(() => assert_throws( | 8 test(() => assert_throws( |
9 new RangeError(), | 9 new RangeError(), |
10 () => new sensorType({frequency: -60})), | 10 () => new sensorType({frequency: -60})), |
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284 | 284 |
285 let testPromise = sensor.mockSensorProvider.getCreatedSensor() | 285 let testPromise = sensor.mockSensorProvider.getCreatedSensor() |
286 .then(mockSensor => { | 286 .then(mockSensor => { |
287 mockSensor.setExpectsModifiedReading(true); | 287 mockSensor.setExpectsModifiedReading(true); |
288 return mockSensor.setUpdateSensorReadingFunction(updateReading); | 288 return mockSensor.setUpdateSensorReadingFunction(updateReading); |
289 }) | 289 }) |
290 .then(mockSensor => { | 290 .then(mockSensor => { |
291 return new Promise((resolve, reject) => { | 291 return new Promise((resolve, reject) => { |
292 let fastSensorNotifiedCounter = 0; | 292 let fastSensorNotifiedCounter = 0; |
293 let slowSensorNotifiedCounter = 0; | 293 let slowSensorNotifiedCounter = 0; |
| 294 let readingUpdatesCounter = 0; |
294 | 295 |
295 let fastSensorWrapper = new CallbackWrapper(() => { | 296 let fastSensorWrapper = new CallbackWrapper(() => { |
296 fastSensorNotifiedCounter++; | 297 fastSensorNotifiedCounter++; |
297 }, reject); | 298 }, reject); |
298 | 299 |
299 let slowSensorWrapper = new CallbackWrapper(() => { | 300 let slowSensorWrapper = new CallbackWrapper(() => { |
300 slowSensorNotifiedCounter++; | 301 slowSensorNotifiedCounter++; |
301 if (slowSensorNotifiedCounter == 1) { | 302 if (slowSensorNotifiedCounter == 1) { |
302 fastSensor.start(); | 303 fastSensor.start(); |
| 304 readingUpdatesCounter = mockSensor.reading_updates_count(); |
303 } else if (slowSensorNotifiedCounter == 2) { | 305 } else if (slowSensorNotifiedCounter == 2) { |
304 // By the moment slow sensor (9 Hz) is notified for the | 306 // By the moment slow sensor (9 Hz) is notified for the |
305 // next time, the fast sensor (30 Hz) has been notified | 307 // next time, the fast sensor (30 Hz) has been notified |
306 // for int(30/9) = 3 times. | 308 // for int(30/9) = 3 times. |
307 assert_equals(fastSensorNotifiedCounter, 3); | 309 // In actual implementation updates are bound to rAF, |
| 310 // (not to a timer) so fluctuations are possible, so we |
| 311 // reference to the actual elapsed updates count. |
| 312 let elapsedUpdates = mockSensor.reading_updates_count() - readin
gUpdatesCounter; |
| 313 assert_equals(fastSensorNotifiedCounter, elapsedUpdates); |
308 fastSensor.stop(); | 314 fastSensor.stop(); |
309 slowSensor.stop(); | 315 slowSensor.stop(); |
310 resolve(mockSensor); | 316 resolve(mockSensor); |
311 } | 317 } |
312 }, reject); | 318 }, reject); |
313 | 319 |
314 fastSensor.onchange = fastSensorWrapper.callback; | 320 fastSensor.onchange = fastSensorWrapper.callback; |
315 slowSensor.onchange = slowSensorWrapper.callback; | 321 slowSensor.onchange = slowSensorWrapper.callback; |
316 fastSensor.onerror = reject; | 322 fastSensor.onerror = reject; |
317 slowSensor.onerror = reject; | 323 slowSensor.onerror = reject; |
318 }); | 324 }); |
319 }) | 325 }) |
320 .then(mockSensor => { return mockSensor.removeConfigurationCalled(); }); | 326 .then(mockSensor => { return mockSensor.removeConfigurationCalled(); }); |
321 | 327 |
322 return testPromise; | 328 return testPromise; |
323 } | 329 } |
324 | 330 |
325 sensor_test(sensor => { | 331 sensor_test(sensor => { |
326 return checkFrequencyHintWorks(sensor); | 332 return checkFrequencyHintWorks(sensor); |
327 }, 'Test that frequency hint works (onchange reporting).'); | 333 }, 'Test that frequency hint works (onchange reporting).'); |
328 | 334 |
329 sensor_test(sensor => { | 335 sensor_test(sensor => { |
330 sensor.mockSensorProvider.setContinuousReportingMode(); | 336 sensor.mockSensorProvider.setContinuousReportingMode(); |
331 return checkFrequencyHintWorks(sensor); | 337 return checkFrequencyHintWorks(sensor); |
332 }, 'Test that frequency hint works (continuous reporting).'); | 338 }, 'Test that frequency hint works (continuous reporting).'); |
333 } | 339 } |
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