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113 lines
4.8 KiB
HTML
113 lines
4.8 KiB
HTML
<!DOCTYPE html>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/mediacapture-image/resources/imagecapture-helpers.js"></script>
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<body>
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<canvas id='canvas' width=10 height=10/>
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</body>
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<script>
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const meteringModeNames = ['none', 'manual', 'single-shot', 'continuous'];
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// This test verifies that we can all MediaStreamTrack.applyConstraints(), with
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// a mock Mojo service implementation.
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image_capture_test(async (t, imageCaptureTest) => {
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let canvas = document.getElementById('canvas');
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let context = canvas.getContext('2d');
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context.fillStyle = 'red';
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context.fillRect(0, 0, 10, 10);
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const constraints = { advanced : [{ whiteBalanceMode : 'single-shot',
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exposureMode : 'continuous',
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focusMode : 'single-shot',
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pointsOfInterest : [{x : 0.1, y : 0.2},
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{x : 0.3, y : 0.4}],
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exposureCompensation : 133.77,
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colorTemperature : 6000,
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iso : 120.0,
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brightness : 3,
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contrast : 4,
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saturation : 5,
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sharpness : 6,
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focusDistance : 7,
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zoom : 3.141592,
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torch : true
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}]};
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let stream = canvas.captureStream();
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let videoTrack = stream.getVideoTracks()[0];
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// |videoTrack|'s capabilities gathering, just like the actual capture, is
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// a process kicked off right after creation, we introduce a small delay
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// to allow for those to be collected, since they are needed to understand
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// which constraints are supported in applyConstraints().
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// TODO(mcasas): this shouldn't be needed, https://crbug.com/711524.
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await new Promise(resolve => step_timeout(resolve, 100));
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try {
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await videoTrack.applyConstraints(constraints);
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} catch (error) {
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assert_unreached('applyConstraints(): ' + error.message);
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}
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const constraintsDict = constraints.advanced[0];
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let appliedConstraints = videoTrack.getConstraints();
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const appliedConstraintsDict = appliedConstraints.advanced[0];
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// Check that |appliedConstraints| and |constraints| are equal.
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assert_equals(constraintsDict.length, appliedConstraintsDict.length);
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Object.keys(appliedConstraintsDict).forEach((key, value) => {
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assert_not_equals(constraintsDict[key], undefined, 'key ' + key);
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if (key != 'pointsOfInterest') {
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assert_equals(constraintsDict[key], appliedConstraintsDict[key], key);
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} else {
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assert_point2d_array_approx_equals(constraintsDict[key],
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appliedConstraintsDict[key], 0.01);
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}
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});
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let theMock = imageCaptureTest.mockImageCapture();
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assert_equals(constraintsDict.whiteBalanceMode,
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meteringModeNames[theMock.options().whiteBalanceMode],
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'whiteBalanceMode');
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assert_equals(constraintsDict.exposureMode,
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meteringModeNames[theMock.options().exposureMode],
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'exposureMode');
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assert_equals(constraintsDict.focusMode,
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meteringModeNames[theMock.options().focusMode],
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'focusMode');
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assert_point2d_array_approx_equals(constraintsDict.pointsOfInterest,
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theMock.options().pointsOfInterest,
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0.01);
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assert_equals(constraintsDict.exposureCompensation,
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theMock.options().exposureCompensation,
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'exposureCompensation');
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assert_equals(constraintsDict.colorTemperature,
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theMock.options().colorTemperature, 'colorTemperature');
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assert_equals(constraintsDict.iso, theMock.options().iso, 'iso');
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assert_equals(constraintsDict.brightness, theMock.options().brightness,
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'brightness');
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assert_equals(constraintsDict.contrast, theMock.options().contrast,
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'constrast');
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assert_equals(constraintsDict.saturation, theMock.options().saturation,
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'saturation');
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assert_equals(constraintsDict.sharpness, theMock.options().sharpness,
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'sharpness');
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assert_equals(constraintsDict.focusDistance, theMock.options().focusDistance
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,'focusDistance');
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assert_equals(constraintsDict.torch, theMock.options().torch, 'torch');
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}, 'exercises MediaStreamTrack.applyConstraints(constraints)');
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</script>
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