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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 takePhoto()s, with a mock Mojo
// interface implementation.
image_capture_test(async 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 capturer = new ImageCapture(stream.getVideoTracks()[0]);
let blob = await capturer.takePhoto();
// JS Blob is almost-opaque, can only check |type| and |size|.
assert_equals(blob.type, 'image/cat');
assert_equals(blob.size, 2);
}, 'exercises ImageCapture.takePhoto()');
image_capture_test(async 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 capturer = new ImageCapture(stream.getVideoTracks()[0]);
let blob = await capturer.takePhoto(null);
// JS Blob is almost-opaque, can only check |type| and |size|.
assert_equals(blob.type, 'image/cat');
assert_equals(blob.size, 2);
}, 'exercises ImageCapture.takePhoto(null)');
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_dom(t, 'InvalidStateError', capturer.takePhoto())
}, 'takePhoto() of an ended Track should throw "InvalidStateError"');
</script>
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