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84 lines
3.1 KiB
HTML
84 lines
3.1 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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var canvas = document.getElementById('canvas');
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var 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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// This test verifies that MediaStreamTrack.applyConstraints() rejects if any
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// passed constraint is unsupported or outside its allowed range.
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var makePromiseTest = function(getConstraint) {
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image_capture_test(async (t, imageCaptureTest) => {
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imageCaptureTest.mockImageCapture().state().supportsTorch = false;
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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,
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// is a process kicked off right after creation, we introduce a small
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// delay to allow for those to be collected, since they are needed to
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// understand 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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const constraints = {
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advanced : [ getConstraint(imageCaptureTest.mockImageCapture().state()) ]
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};
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await videoTrack.applyConstraints(constraints);
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assert_unreached('expected applyConstraints to reject');
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} catch (error) {
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assert_equals(error.name, 'NotSupportedError');
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}
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});
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};
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const constraintGenerators = [
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capabilities => ({ whiteBalanceMode: 'manual' }),
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capabilities => ({ exposureMode: 'none' }),
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capabilities => ({ focusMode: 'continuous' }),
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capabilities => ({
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exposureCompensation: capabilities.exposureCompensation.max + 1
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}),
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capabilities => ({
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exposureCompensation: capabilities.exposureCompensation.min - 1
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}),
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capabilities => ({
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colorTemperature: capabilities.colorTemperature.max + 1
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}),
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capabilities => ({
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colorTemperature: capabilities.colorTemperature.min - 1
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}),
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capabilities => ({ iso: capabilities.iso.max + 1 }),
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capabilities => ({ iso: capabilities.iso.min - 1 }),
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capabilities => ({ brightness: capabilities.brightness.max + 1 }),
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capabilities => ({ brightness: capabilities.brightness.min - 1 }),
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capabilities => ({ contrast: capabilities.contrast.max + 1 }),
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capabilities => ({ contrast: capabilities.contrast.min - 1 }),
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capabilities => ({ saturation: capabilities.saturation.max + 1 }),
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capabilities => ({ saturation: capabilities.saturation.min - 1 }),
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capabilities => ({ sharpness: capabilities.sharpness.max + 1 }),
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capabilities => ({ sharpness: capabilities.sharpness.min - 1 }),
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capabilities => ({ zoom: capabilities.zoom.max + 1 }),
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capabilities => ({ zoom: capabilities.zoom.min - 1 }),
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capabilities => ({ torch: true }),
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];
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for (key in constraintGenerators) {
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generate_tests(
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makePromiseTest, [[
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'MediaStreamTrack.applyConstraints(constraints) rejects with bad' +
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' constraints, #' + key,
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constraintGenerators[key]
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]]);
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}
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</script>
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