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<!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 {
await videoTrack.applyConstraints(constraint);
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: { exact: 'manual' } }),
capabilities => ({ exposureMode: { exact: 'none' } }),
capabilities => ({ focusMode: { exact: 'continuous' } }),
capabilities => ({
exposureCompensation: { exact: capabilities.exposureCompensation.max + 1 }
}),
capabilities => ({
exposureCompensation: { exact: capabilities.exposureCompensation.min - 1 }
}),
capabilities => ({
colorTemperature: { exact: capabilities.colorTemperature.max + 1 }
}),
capabilities => ({
colorTemperature: { exact: capabilities.colorTemperature.min - 1 }
}),
capabilities => ({ iso: { exact: capabilities.iso.max + 1 } }),
capabilities => ({ iso: { exact: capabilities.iso.min - 1 } }),
capabilities => ({ brightness: { exact: capabilities.brightness.max + 1 } }),
capabilities => ({ brightness: { exact: capabilities.brightness.min - 1 } }),
capabilities => ({ contrast: { exact: capabilities.contrast.max + 1 } }),
capabilities => ({ contrast: { exact: capabilities.contrast.min - 1 } }),
capabilities => ({ saturation: { exact: capabilities.saturation.max + 1 } }),
capabilities => ({ saturation: { exact: capabilities.saturation.min - 1 } }),
capabilities => ({ sharpness: { exact: capabilities.sharpness.max + 1 } }),
capabilities => ({ sharpness: { exact: capabilities.sharpness.min - 1 } }),
capabilities => ({ pan: { exact: capabilities.pan.max + 1 } }),
capabilities => ({ pan: { exact: capabilities.pan.min - 1 } }),
capabilities => ({ tilt: { exact: capabilities.tilt.max + 1 } }),
capabilities => ({ tilt: { exact: capabilities.tilt.min - 1 } }),
capabilities => ({ zoom: { exact: capabilities.zoom.max + 1 } }),
capabilities => ({ zoom: { exact: capabilities.zoom.min - 1 } }),
capabilities => ({ torch: { exact: true } }),
];
for (key in constraintGenerators) {
generate_tests(
makePromiseTest, [[
'MediaStreamTrack.applyConstraints(constraints) rejects with bad' +
' constraints, #' + key,
constraintGenerators[key]
]]);
}
</script>
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