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Test Info: Warnings
- This test has a WPT meta file that expects 51 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /screen-capture/getdisplaymedia-capture-controller.https.window.html - WPT Dashboard Interop Dashboard
// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: timeout=long
'use strict';
const validFocusBehaviors = [
'focus-capturing-application', 'focus-captured-surface', 'no-focus-change'
];
const validDisplaySurfaces = ['window', 'browser'];
test(() => {
assert_own_property(window, 'CaptureController');
}, 'CaptureController in window');
const stopTracks = stream => stream.getTracks().forEach(track => track.stop());
validFocusBehaviors.forEach(
(focusBehavior) => test(
(t) => {
const controller = new CaptureController();
controller.setFocusBehavior(focusBehavior);
},
`setFocusBehavior("${
focusBehavior}") must succeed before capture starts`));
['invalid', null, undefined, {}, true].forEach(
(focusBehavior) => test(
() => {
const controller = new CaptureController();
assert_throws_js(
TypeError, () => controller.setFocusBehavior(focusBehavior));
},
`setFocusBehavior("${
focusBehavior}") must throw TypeError if focusBehavior is invalid`));
promise_test(async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia({controller});
t.add_cleanup(() => stopTracks(stream));
assert_equals(stream.getTracks().length, 1);
assert_equals(stream.getVideoTracks().length, 1);
assert_equals(stream.getAudioTracks().length, 0);
}, 'getDisplayMedia({controller}) must succeed');
['invalid', null, {}, true].forEach(
(controller) => promise_test(
async (t) => {
await test_driver.bless('getDisplayMedia()');
await promise_rejects_js(
t, TypeError,
navigator.mediaDevices.getDisplayMedia({controller}));
},
`getDisplayMedia({controller: ${
controller}}) must fail with TypeError`));
promise_test(async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia({controller});
t.add_cleanup(() => stopTracks(stream));
await test_driver.bless('getDisplayMedia()');
const p = navigator.mediaDevices.getDisplayMedia({controller});
t.add_cleanup(async () => {
try {
stopTracks(await p);
} catch {
}
});
await promise_rejects_dom(
t, 'InvalidStateError', Promise.race([p, Promise.resolve()]),
'getDisplayMedia should have returned an already-rejected promise.');
}, 'getDisplayMedia({controller}) must fail with InvalidStateError if controller is bound');
validDisplaySurfaces.forEach((displaySurface) => {
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface}});
t.add_cleanup(() => stopTracks(stream));
controller.setFocusBehavior(focusBehavior);
},
`setFocusBehavior("${
focusBehavior}") must succeed when window of opportunity is opened if capturing a ${
displaySurface}`));
});
validDisplaySurfaces.forEach((displaySurface) => {
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const p = navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface}});
controller.setFocusBehavior(focusBehavior);
const stream = await p;
t.add_cleanup(() => stopTracks(stream));
},
`setFocusBehavior("${
focusBehavior}") must succeed when getDisplayMedia promise is pending if capturing a ${
displaySurface}`));
});
validDisplaySurfaces.forEach((displaySurface) => {
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface}});
stopTracks(stream);
assert_throws_dom(
'InvalidStateError',
() => controller.setFocusBehavior(focusBehavior));
},
`setFocusBehavior("${
focusBehavior}") must throw InvalidStateError when track is stopped if capturing a ${
displaySurface}`));
});
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface: 'monitor'}});
t.add_cleanup(() => stopTracks(stream));
assert_throws_dom(
'InvalidStateError',
() => controller.setFocusBehavior(focusBehavior));
},
`setFocusBehavior("${
focusBehavior}") must throw InvalidStateError if capturing a monitor`));
validDisplaySurfaces.forEach((displaySurface) => {
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface}});
t.add_cleanup(() => stopTracks(stream));
await new Promise((resolve) => step_timeout(resolve, 0));
assert_throws_dom(
'InvalidStateError',
() => controller.setFocusBehavior(focusBehavior));
},
`setFocusBehavior("${
focusBehavior}") must throw InvalidStateError when window of opportunity is closed if capturing a ${
displaySurface}`));
});
validDisplaySurfaces.forEach((displaySurface) => {
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
await test_driver.bless('getDisplayMedia()');
const stream = await navigator.mediaDevices.getDisplayMedia(
{controller, video: {displaySurface}});
t.add_cleanup(() => stopTracks(stream));
controller.setFocusBehavior(focusBehavior)
assert_throws_dom(
'InvalidStateError',
() => controller.setFocusBehavior(focusBehavior));
},
`setFocusBehavior("${
focusBehavior}") must throw InvalidStateError the second time if capturing a ${
displaySurface}`));
});
validFocusBehaviors.forEach(
(focusBehavior) => promise_test(
async (t) => {
const controller = new CaptureController();
const options = {
controller: controller,
video: {width: {max: 0}},
}
try {
await test_driver.bless('getDisplayMedia()');
stopTracks(await navigator.mediaDevices.getDisplayMedia(options));
} catch (err) {
assert_equals(err.name, 'OverconstrainedError', err.message);
assert_throws_dom(
'InvalidStateError',
() => controller.setFocusBehavior(focusBehavior));
return;
}
assert_unreached('getDisplayMedia should have failed');
},
`setFocusBehavior("${
focusBehavior}") must throw InvalidStateError if getDisplayMedia fails`));