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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>
const constraints = { whiteBalanceMode : "single-shot",
exposureMode : "manual",
focusMode : "single-shot",
exposureCompensation : 133.77,
exposureTime : 10000, // in nano-seconds.
colorTemperature : 6000,
iso : 120.0,
brightness : 3,
contrast : 4,
saturation : 5,
sharpness : 6,
focusDistance : 7,
pan : 8,
tilt : 9,
zoom : 3.141592
// TODO: torch https://crbug.com/700607.
};
// These tests verify that MediaStreamTrack.getConstraints() exists and that,
// returns the constraints passed beforehand with applyConstraints.
function makePromiseTest(constraint) {
image_capture_test(async function(t) {
await test_driver.set_permission({name: 'camera', panTiltZoom: true},
'granted');
let stream = await navigator.mediaDevices.getUserMedia({video: true});
let videoTrack = stream.getVideoTracks()[0];
let constraintsIn = {advanced : [ constraint ]};
await videoTrack.applyConstraints(constraintsIn);
assert_object_equals(videoTrack.getConstraints(), constraintsIn, "constraints");
// Clear constraints by sending an empty constraint set.
await videoTrack.applyConstraints({});
assert_object_equals(videoTrack.getConstraints(), {}, "constraints");
});
};
// Send each line of |constraints| in turn and then the whole dictionary.
for (key in constraints) {
let one_constraint = {};
one_constraint[key] = constraints[key];
generate_tests(
makePromiseTest,
[[ 'MediaStreamTrack.getConstraints(), key: ' + key, one_constraint ]]);
}
generate_tests(makePromiseTest, [
["MediaStreamTrack.getConstraints(), complete ", constraints],
]);
</script>
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