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getPhotoCapabilities.html
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<!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>
// This test verifies that ImageCapture can get PhotoCapabilities(), with a mock
// Mojo interface 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 stream = canvas.captureStream();
let mockCapabilities = imageCaptureTest.mockImageCapture().state();
let capturer = new ImageCapture(stream.getVideoTracks()[0]);
assert_true(typeof capturer.getPhotoCapabilities == 'function');
let capabilities = await capturer.getPhotoCapabilities();
assert_true(capabilities instanceof PhotoCapabilities);
assert_equals(capabilities.redEyeReduction, 'controllable',
'redEyeReduction');
assert_true(capabilities.imageHeight instanceof MediaSettingsRange);
assert_equals(capabilities.imageHeight.max, mockCapabilities.height.max);
assert_equals(capabilities.imageHeight.min, mockCapabilities.height.min);
assert_equals(capabilities.imageHeight.step, mockCapabilities.height.step);
assert_true(capabilities.imageWidth instanceof MediaSettingsRange);
assert_equals(capabilities.imageWidth.max, mockCapabilities.width.max);
assert_equals(capabilities.imageWidth.min, mockCapabilities.width.min);
assert_equals(capabilities.imageWidth.step, mockCapabilities.width.step);
assert_array_equals(capabilities.fillLightMode, [ 'auto', 'flash' ],
'fillLightMode');
}, 'exercises ImageCapture.getPhotoCapabilities()');
promise_test(t => {
let canvas = document.getElementById('canvas');
let context = canvas.getContext('2d');
context.fillStyle = 'red';
context.fillRect(0, 0, 10, 10);
let stream = canvas.captureStream();
let videoTrack = stream.getVideoTracks()[0];
videoTrack.stop();
let capturer = new ImageCapture(videoTrack);
assert_equals(videoTrack.readyState, 'ended');
return promise_rejects(t, 'InvalidStateError', capturer.getPhotoCapabilities())
}, 'getPhotoCapabilities() of an ended Track should throw "InvalidStateError"');
async_test(t => {
let canvas = document.getElementById('canvas');
let context = canvas.getContext('2d');
context.fillStyle = 'red';
context.fillRect(0, 0, 10, 10);
let stream = canvas.captureStream();
let videoTrack = stream.getVideoTracks()[0];
let capturer = new ImageCapture(videoTrack);
capturer.getPhotoCapabilities()
.then(t.step_func_done(() => assert_unreached('should throw "OperationError"')))
.catch(t.step_func_done(e => assert_equals(e.name, 'OperationError')))
videoTrack.stop();
}, 'throw "OperationError" when the MediaStreamTrack is stopped while getting photo capabilities');
</script>