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let manualTestDevice = null;
navigator.usb.addEventListener('disconnect', (e) => {
if (e.device === manualTestDevice) {
manualTestDevice = null;
}
})
async function getDeviceForManualTest() {
if (manualTestDevice) {
return manualTestDevice;
}
const button = document.createElement('button');
button.textContent = 'Click to select a device';
button.style.display = 'block';
button.style.fontSize = '20px';
button.style.padding = '10px';
await new Promise((resolve) => {
button.onclick = () => {
document.body.removeChild(button);
resolve();
};
document.body.appendChild(button);
});
manualTestDevice = await navigator.usb.requestDevice({filters: []});
assert_true(manualTestDevice instanceof USBDevice);
return manualTestDevice;
}
function manual_usb_test(func, name, properties) {
promise_test(async (test) => {
await func(test, await getDeviceForManualTest());
}, name, properties);
}
function manual_usb_serial_test(func, name, properties) {
promise_test(async (test) => {
const device = await getDeviceForManualTest();
await device.open();
test.add_cleanup(async () => {
if (device.opened) {
await device.close();
}
});
await device.selectConfiguration(1);
let controlInterface = undefined;
for (const iface of device.configuration.interfaces) {
const alternate = iface.alternates[0];
if (alternate.interfaceClass == 2 &&
alternate.interfaceSubclass == 2 &&
alternate.interfaceProtocol == 0) {
controlInterface = iface;
break;
}
}
assert_not_equals(controlInterface, undefined,
'No control interface found.');
let dataInterface = undefined;
for (const iface of device.configuration.interfaces) {
const alternate = iface.alternates[0];
if (alternate.interfaceClass == 10 &&
alternate.interfaceSubclass == 0 &&
alternate.interfaceProtocol == 0) {
dataInterface = iface;
break;
}
}
assert_not_equals(dataInterface, undefined, 'No data interface found.');
await device.claimInterface(controlInterface.interfaceNumber);
await device.claimInterface(dataInterface.interfaceNumber);
let inEndpoint = undefined;
for (const endpoint of dataInterface.alternate.endpoints) {
if (endpoint.type == 'bulk' && endpoint.direction == 'in') {
inEndpoint = endpoint;
break;
}
}
assert_not_equals(inEndpoint, undefined, 'No IN endpoint found.');
let outEndpoint = undefined;
for (const endpoint of dataInterface.alternate.endpoints) {
if (endpoint.type == 'bulk' && endpoint.direction == 'out') {
outEndpoint = endpoint;
break;
}
}
assert_not_equals(outEndpoint, undefined, 'No OUT endpoint found.');
// Execute a SET_CONTROL_LINE_STATE command to let the device know the
// host is ready to transmit and receive data.
await device.controlTransferOut({
requestType: 'class',
recipient: 'interface',
request: 0x22,
value: 0x01,
index: controlInterface.interfaceNumber,
});
await func(test, device, inEndpoint, outEndpoint);
}, name, properties);
}