| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script> |
| <script src="file:///gen/media/capture/mojo/image_capture.mojom.js"></script> |
| <script src="resources/imagecapture-helpers.js"></script> |
| <script src="resources/mock-imagecapture.js"></script> |
| <body> |
| <canvas id='canvas' width=10 height=10/> |
| </body> |
| <script> |
| |
| const meteringModeNames = ['none', 'manual', 'single-shot', 'continuous']; |
| |
| // This test verifies that we can all MediaStreamTrack.applyConstraints(), with |
| // a mock Mojo service implementation. |
| |
| promise_test(async function() { |
| let canvas = document.getElementById('canvas'); |
| let context = canvas.getContext('2d'); |
| context.fillStyle = 'red'; |
| context.fillRect(0, 0, 10, 10); |
| |
| const constraints = { advanced : [{ whiteBalanceMode : 'single-shot', |
| exposureMode : 'continuous', |
| focusMode : 'single-shot', |
| |
| pointsOfInterest : [{x : 0.1, y : 0.2}, |
| {x : 0.3, y : 0.4}], |
| |
| exposureCompensation : 133.77, |
| colorTemperature : 6000, |
| iso : 120.0, |
| |
| brightness : 3, |
| contrast : 4, |
| saturation : 5, |
| sharpness : 6, |
| |
| zoom : 3.141592, |
| |
| torch : true |
| }]}; |
| |
| let stream = canvas.captureStream(); |
| let videoTrack = stream.getVideoTracks()[0]; |
| |
| // |videoTrack|'s capabilities gathering, just like the actual capture, is |
| // a process kicked off right after creation, we introduce a small delay |
| // to allow for those to be collected, since they are needed to understand |
| // which constraints are supported in applyConstraints(). |
| // TODO(mcasas): this shouldn't be needed, https://crbug.com/711524. |
| await new Promise(resolve => setTimeout(resolve, 100)); |
| |
| let appliedConstraints; |
| try { |
| let promise = videoTrack.applyConstraints(constraints); |
| GCController.collect(); |
| appliedConstraints = await promise; |
| } catch (error) { |
| assert_unreached('applyConstraints(): ' + error.message); |
| } |
| |
| const constraintsDict = constraints.advanced[0]; |
| const appliedConstraintsDict = appliedConstraints.advanced[0]; |
| |
| // Check that |appliedConstraints| and |constraints| are equal. |
| assert_equals(constraintsDict.length, appliedConstraintsDict.length); |
| Object.keys(appliedConstraintsDict).forEach((key, value) => { |
| assert_not_equals(constraintsDict[key], undefined, 'key ' + key); |
| if (key != 'pointsOfInterest') { |
| assert_equals(constraintsDict[key], appliedConstraintsDict[key], key); |
| } else { |
| assert_point2d_array_approx_equals(constraintsDict[key], |
| appliedConstraintsDict[key], 0.01); |
| } |
| }); |
| |
| let theMock = mockImageCapture; |
| assert_equals(constraintsDict.whiteBalanceMode, |
| meteringModeNames[theMock.options().whiteBalanceMode], |
| 'whiteBalanceMode'); |
| assert_equals(constraintsDict.exposureMode, |
| meteringModeNames[theMock.options().exposureMode], |
| 'exposureMode'); |
| assert_equals(constraintsDict.focusMode, |
| meteringModeNames[theMock.options().focusMode], |
| 'focusMode'); |
| |
| assert_point2d_array_approx_equals(constraintsDict.pointsOfInterest, |
| theMock.options().pointsOfInterest, |
| 0.01); |
| |
| assert_equals(constraintsDict.exposureCompensation, |
| theMock.options().exposureCompensation, |
| 'exposureCompensation'); |
| assert_equals(constraintsDict.colorTemperature, |
| theMock.options().colorTemperature, 'colorTemperature'); |
| assert_equals(constraintsDict.iso, theMock.options().iso, 'iso'); |
| |
| assert_equals(constraintsDict.brightness, theMock.options().brightness, |
| 'brightness'); |
| assert_equals(constraintsDict.contrast, theMock.options().contrast, |
| 'constrast'); |
| assert_equals(constraintsDict.saturation, theMock.options().saturation, |
| 'saturation'); |
| assert_equals(constraintsDict.sharpness, theMock.options().sharpness, |
| 'sharpness'); |
| |
| assert_equals(constraintsDict.torch, theMock.options().torch, 'torch'); |
| |
| }, 'exercises MediaStreamTrack.applyConstraints(constraints)'); |
| |
| </script> |
