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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/permission-element/camera/camera-set-constraints.https.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset="utf-8" />
<meta name="timeout" content="long" />
<title>HTMLCameraElement setConstraints(), track initialization, and sanitization</title>
<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="../usermedia/resources/pepc-helper.js"></script>
<body>
<script>
promise_test(async (t) => {
await test_driver.set_permission({ name: "camera" }, "granted");
const camera = document.createElement("camera");
document.body.appendChild(camera);
t.add_cleanup(() => {
if (camera.parentNode) {
document.body.removeChild(camera);
}
});
const track_promise = new Promise((resolve) => {
camera.ontrack = resolve;
});
camera.setConstraints({ width: 640, height: 480 });
// Wait until the element is clickable.
await new Promise((r) => t.step_timeout(r, PEPC_CLICK_DELAY));
await test_driver.click(camera);
await track_promise;
const track = camera.track;
t.add_cleanup(() => {
if (track) {
track.stop();
}
});
assert_true(track instanceof MediaStreamTrack, "camera.track is instance of MediaStreamTrack");
assert_equals(track.kind, "video", "camera.track must be video kind");
assert_not_equals(track.kind, "audio", "camera must never have audio track");
}, "HTMLCameraElement initializes video track and never audio track");
promise_test(async (t) => {
await test_driver.set_permission({ name: "camera" }, "granted");
const camera = document.createElement("camera");
document.body.appendChild(camera);
t.add_cleanup(() => {
if (camera.parentNode) {
document.body.removeChild(camera);
}
});
const track_promise = new Promise((resolve) => {
camera.ontrack = resolve;
});
// Pass complex range parameters (exact/ideal) and audio properties to test sanitization.
camera.setConstraints({
width: 640,
height: 480,
frameRate: { exact: 30 },
echoCancellation: true
});
await new Promise((r) => t.step_timeout(r, PEPC_CLICK_DELAY));
await test_driver.click(camera);
await track_promise;
const track = camera.track;
t.add_cleanup(() => {
if (track) {
track.stop();
}
});
assert_true(track instanceof MediaStreamTrack, "sanitized camera track successfully created");
assert_equals(track.kind, "video", "sanitized track kind is video");
}, "HTMLCameraElement setConstraints sanitization strips complex ranges without crashing");
</script>
</body>