// META: script=/resources/test-only-api.js
// META: script=/serial/resources/common.js
// META: script=resources/automation.js
serial_test(async (t, fake) => {
const eventWatcher =
new EventWatcher(t, navigator.serial, ['connect', 'disconnect']);
// Wait for getPorts() to resolve in order to ensure that the Mojo client
// interface has been configured.
let ports = await navigator.serial.getPorts();
assert_equals(ports.length, 0);
fake.addPort();
const event1 = await eventWatcher.wait_for(['connect']);
assert_true(event1 instanceof Event);
assert_true(event1.target instanceof SerialPort);
fake.addPort();
const event2 = await eventWatcher.wait_for(['connect']);
assert_true(event2 instanceof Event);
assert_true(event2.target instanceof SerialPort);
assert_not_equals(event1.target, event2.target);
ports = await navigator.serial.getPorts();
assert_equals(ports.length, 2);
assert_in_array(event1.target, ports);
assert_in_array(event2.target, ports);
}, 'A "connect" event is fired when ports are added.');
serial_test(async (t, fake) => {
const eventWatcher =
new EventWatcher(t, navigator.serial, ['connect', 'disconnect']);
// Wait for getPorts() to resolve in order to ensure that the Mojo client
// interface has been configured.
let ports = await navigator.serial.getPorts();
assert_equals(ports.length, 0);
// Add a disconnected port.
const token = fake.addPort({connected: false});
// The disconnected port is included in the ports returned by getPorts.
ports = await navigator.serial.getPorts();
assert_equals(ports.length, 1);
assert_false(ports[0].connected);
// Connect the port.
fake.setPortConnectedState(token, true);
const event = await eventWatcher.wait_for(['connect']);
assert_true(event instanceof Event);
assert_true(event.target instanceof SerialPort);
}, 'A "connect" event is fired when a disconnected port becomes connected.');