| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/mediacapture-image/resources/imagecapture-helpers.js"></script> |
| <body> |
| <canvas id='canvas' width=10 height=10/> |
| </body> |
| <script> |
| |
| const meteringModeNames = ['none', 'manual', 'single-shot', 'continuous']; |
| |
| // This test verifies that MediaTrackCapabilities are returned upon |
| // MediaStreamTrack.getCapabilities(), with a mock Mojo service implementation. |
| |
| image_capture_test(async (t, imageCaptureTest) => { |
| let canvas = document.getElementById('canvas'); |
| let context = canvas.getContext('2d'); |
| context.fillStyle = 'red'; |
| context.fillRect(0, 0, 10, 10); |
| |
| let mockCapabilities = imageCaptureTest.mockImageCapture().state(); |
| |
| // |stream| must be created _after_ |mock| is constructed to give the |
| // latter time to override the bindings. |
| let stream = canvas.captureStream(); |
| assert_equals(stream.getAudioTracks().length, 0); |
| assert_equals(stream.getVideoTracks().length, 1); |
| |
| let videoTrack = stream.getVideoTracks()[0]; |
| assert_equals(typeof videoTrack.getCapabilities, 'function'); |
| |
| // |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. |
| // TODO(mcasas): this shouldn't be needed, https://crbug.com/711524. |
| await new Promise(resolve => step_timeout(resolve, 100)); |
| |
| let capabilities = videoTrack.getCapabilities(); |
| assert_equals(typeof capabilities, 'object'); |
| |
| assert_equals(capabilities.whiteBalanceMode.length, |
| mockCapabilities.supportedWhiteBalanceModes.length, |
| 'whiteBalanceMode'); |
| for (i = 0; i < capabilities.whiteBalanceMode.length; ++i) { |
| assert_equals( |
| capabilities.whiteBalanceMode[i], |
| meteringModeNames[mockCapabilities |
| .supportedWhiteBalanceModes[i]], |
| 'whiteBalanceMode'); |
| } |
| |
| assert_equals(capabilities.exposureMode.length, |
| mockCapabilities.supportedExposureModes.length, |
| 'exposureMode'); |
| for (i = 0; i < capabilities.exposureMode.length; ++i) { |
| assert_equals( |
| capabilities.exposureMode[i], |
| meteringModeNames[mockCapabilities.supportedExposureModes[i]], |
| 'exposureMode'); |
| } |
| |
| assert_equals(capabilities.focusMode.length, |
| mockCapabilities.supportedFocusModes.length, |
| 'focusMode'); |
| for (i = 0; i < capabilities.focusMode.length; ++i) { |
| assert_equals( |
| capabilities.focusMode[i], |
| meteringModeNames[mockCapabilities.supportedFocusModes[i]], |
| 'focusMode'); |
| } |
| |
| assert_true(capabilities.exposureCompensation instanceof |
| MediaSettingsRange); |
| assert_equals(capabilities.exposureCompensation.max, |
| mockCapabilities.exposureCompensation.max); |
| assert_equals(capabilities.exposureCompensation.min, |
| mockCapabilities.exposureCompensation.min); |
| assert_equals(capabilities.exposureCompensation.step, |
| mockCapabilities.exposureCompensation.step); |
| |
| assert_true(capabilities.exposureTime instanceof |
| MediaSettingsRange); |
| assert_equals(capabilities.exposureTime.max, |
| mockCapabilities.exposureTime.max); |
| assert_equals(capabilities.exposureTime.min, |
| mockCapabilities.exposureTime.min); |
| assert_equals(capabilities.exposureTime.step, |
| mockCapabilities.exposureTime.step); |
| |
| assert_true(capabilities.colorTemperature instanceof |
| MediaSettingsRange); |
| assert_equals(capabilities.colorTemperature.max, |
| mockCapabilities.colorTemperature.max); |
| assert_equals(capabilities.colorTemperature.min, |
| mockCapabilities.colorTemperature.min); |
| assert_equals(capabilities.colorTemperature.step, |
| mockCapabilities.colorTemperature.step); |
| |
| assert_true(capabilities.iso instanceof MediaSettingsRange); |
| assert_equals(capabilities.iso.max, mockCapabilities.iso.max); |
| assert_equals(capabilities.iso.min, mockCapabilities.iso.min); |
| assert_equals(capabilities.iso.step, mockCapabilities.iso.step); |
| |
| assert_true(capabilities.brightness instanceof MediaSettingsRange); |
| assert_equals(capabilities.brightness.max, |
| mockCapabilities.brightness.max); |
| assert_equals(capabilities.brightness.min, |
| mockCapabilities.brightness.min); |
| assert_equals(capabilities.brightness.step, |
| mockCapabilities.brightness.step); |
| |
| assert_true(capabilities.contrast instanceof MediaSettingsRange); |
| assert_equals(capabilities.contrast.max, |
| mockCapabilities.contrast.max); |
| assert_equals(capabilities.contrast.min, |
| mockCapabilities.contrast.min); |
| assert_equals(capabilities.contrast.step, |
| mockCapabilities.contrast.step); |
| |
| assert_true(capabilities.saturation instanceof MediaSettingsRange); |
| assert_equals(capabilities.saturation.max, |
| mockCapabilities.saturation.max); |
| assert_equals(capabilities.saturation.min, |
| mockCapabilities.saturation.min); |
| assert_equals(capabilities.saturation.step, |
| mockCapabilities.saturation.step); |
| |
| assert_true(capabilities.sharpness instanceof MediaSettingsRange); |
| assert_equals(capabilities.sharpness.max, |
| mockCapabilities.sharpness.max); |
| assert_equals(capabilities.sharpness.min, |
| mockCapabilities.sharpness.min); |
| assert_equals(capabilities.sharpness.step, |
| mockCapabilities.sharpness.step); |
| |
| assert_true(capabilities.focusDistance instanceof MediaSettingsRange); |
| assert_equals(capabilities.focusDistance.max, |
| mockCapabilities.focusDistance.max); |
| assert_equals(capabilities.focusDistance.min, |
| mockCapabilities.focusDistance.min); |
| assert_equals(capabilities.focusDistance.step, |
| mockCapabilities.focusDistance.step); |
| |
| assert_true(capabilities.zoom instanceof MediaSettingsRange); |
| assert_equals(capabilities.zoom.max, mockCapabilities.zoom.max); |
| assert_equals(capabilities.zoom.min, mockCapabilities.zoom.min); |
| assert_equals(capabilities.zoom.step, mockCapabilities.zoom.step); |
| |
| assert_equals(capabilities.torch, mockCapabilities.supportsTorch, |
| 'torch'); |
| |
| }, 'exercises MediaStreamTrack.getCapabilities()'); |
| |
| </script> |
