// META: script=/resources/test-only-api.js // META: script=/webusb/resources/fake-devices.js // META: script=/webusb/resources/usb-helpers.js 'use strict'; usb_test(async () => { const {device} = await getFakeDevice(); await device.open(); for (const configuration of device.configurations) { await device.selectConfiguration(configuration.configurationValue); assert_equals(device.configuration, configuration); for (const interfaceObj of configuration.interfaces) { await device.claimInterface(interfaceObj.interfaceNumber); for (const alternate of interfaceObj.alternates) { await device.selectAlternateInterface( interfaceObj.interfaceNumber, alternate.alternateSetting); assert_equals(interfaceObj.alternate, alternate); } await device.releaseInterface(interfaceObj.interfaceNumber); } } await device.close(); }, '[SameObject] test for instances within USBDevice.');