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<!DOCTYPE html>
<meta charset="utf-8">
<title>ImageCapture track</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="help" href="https://w3c.github.io/mediacapture-image/#dom-imagecapture-track">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<canvas id='canvas' width=10 height=10></canvas>
<script>
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);
assert_true(capturer.track instanceof MediaStreamTrack);
assert_equals(capturer.track, videoTrack);
let cloneTrack = videoTrack.clone();
assert_not_equals(videoTrack, cloneTrack);
capturer.track = cloneTrack;
assert_equals(capturer.track, videoTrack);
}, "ImageCapture track attribute is readonly")
</script>
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