<!DOCTYPE html> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/resources/testdriver.js"></script> <script src="/resources/testdriver-vendor.js"></script> <script src="/mediacapture-image/resources/imagecapture-helpers.js"></script> <script> // This test verifies that MediaStreamTrack.applyConstraints() rejects if any // passed constraint is unsupported or outside its allowed range. var makePromiseTest = function(getConstraint) { image_capture_test(async (t, imageCaptureTest) => { await test_driver.set_permission({name: 'camera', panTiltZoom: true}, 'granted'); imageCaptureTest.mockImageCapture().state().supportsTorch = false; let stream = await navigator.mediaDevices.getUserMedia({video: true}); let videoTrack = stream.getVideoTracks()[0]; const constraint = getConstraint(imageCaptureTest.mockImageCapture().state()); try { const constraints = { advanced : [constraint] }; await videoTrack.applyConstraints(constraints); assert_unreached('expected applyConstraints to reject'); } catch (error) { assert_equals(error.name, 'OverconstrainedError'); assert_equals(error.constraint, Object.keys(constraint)[0]); } }); }; const constraintGenerators = [ capabilities => ({ whiteBalanceMode: 'manual' }), capabilities => ({ exposureMode: 'none' }), capabilities => ({ focusMode: 'continuous' }), capabilities => ({ exposureCompensation: capabilities.exposureCompensation.max + 1 }), capabilities => ({ exposureCompensation: capabilities.exposureCompensation.min - 1 }), capabilities => ({ colorTemperature: capabilities.colorTemperature.max + 1 }), capabilities => ({ colorTemperature: capabilities.colorTemperature.min - 1 }), capabilities => ({ iso: capabilities.iso.max + 1 }), capabilities => ({ iso: capabilities.iso.min - 1 }), capabilities => ({ brightness: capabilities.brightness.max + 1 }), capabilities => ({ brightness: capabilities.brightness.min - 1 }), capabilities => ({ contrast: capabilities.contrast.max + 1 }), capabilities => ({ contrast: capabilities.contrast.min - 1 }), capabilities => ({ saturation: capabilities.saturation.max + 1 }), capabilities => ({ saturation: capabilities.saturation.min - 1 }), capabilities => ({ sharpness: capabilities.sharpness.max + 1 }), capabilities => ({ sharpness: capabilities.sharpness.min - 1 }), capabilities => ({ pan: capabilities.pan.max + 1 }), capabilities => ({ pan: capabilities.pan.min - 1 }), capabilities => ({ tilt: capabilities.tilt.max + 1 }), capabilities => ({ tilt: capabilities.tilt.min - 1 }), capabilities => ({ zoom: capabilities.zoom.max + 1 }), capabilities => ({ zoom: capabilities.zoom.min - 1 }), capabilities => ({ torch: true }), ]; for (key in constraintGenerators) { generate_tests( makePromiseTest, [[ 'MediaStreamTrack.applyConstraints(constraints) rejects with bad' + ' constraints, #' + key, constraintGenerators[key] ]]); } </script>