blob: 09ccd7ef5a419646ad0c28abb6c904f59cd874f0 [file] [log] [blame]
<!DOCTYPE html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="../resources/mojo-helpers.js"></script>
<script src="resources/fake-devices.js"></script>
<script src="resources/usb-helpers.js"></script>
<script>
'use strict';
function assertRejectsWithNotFoundError(promise) {
return assertRejectsWithError(promise, 'NotFoundError');
}
function assertRejectsWithNotOpenError(promise) {
return assertRejectsWithError(
promise, 'InvalidStateError', 'The device must be opened first.')
}
function assertRejectsWithNotConfiguredError(promise) {
return assertRejectsWithError(
promise, 'InvalidStateError',
'The device must have a configuration selected.');
}
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(devices[0].open());
});
}, 'open rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let promise = devices[0].open();
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(promise)
.then(() => runGarbageCollection());
});
}, 'open rejects when device disconnected during call');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
assert_false(device.opened);
return device.open().then(() => {
assert_true(device.opened);
return device.close().then(() => {
assert_false(device.opened);
});
});
}).then(() => runGarbageCollection());
}, 'a device can be opened and closed');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.open())
.then(() => device.open())
.then(() => device.open())
.then(() => device.close())
.then(() => device.close())
.then(() => device.close())
.then(() => device.close());
});
}, 'open and close can be called multiple times');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
const message =
'An operation that changes the device state is in progress.';
return Promise.all([
device.open(),
assertRejectsWithError(device.open(), 'InvalidStateError', message),
assertRejectsWithError(device.close(), 'InvalidStateError', message),
]).then(() => Promise.all([
device.close(),
assertRejectsWithError(device.open(), 'InvalidStateError', message),
assertRejectsWithError(device.close(), 'InvalidStateError', message),
]));
});
}, 'open and close cannot be called again while open or close are in progress');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open().then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.close());
});
});
}, 'close rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
var device = devices[0];
return device.open()
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.selectConfiguration(1));
});
});
}, 'selectConfiguration rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
var device = devices[0];
return Promise.all([
assertRejectsWithNotOpenError(device.selectConfiguration(1)),
assertRejectsWithNotOpenError(device.claimInterface(0)),
assertRejectsWithNotOpenError(device.releaseInterface(0)),
assertRejectsWithNotOpenError(device.selectAlternateInterface(0, 1)),
assertRejectsWithNotOpenError(device.controlTransferIn({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, 7)),
assertRejectsWithNotOpenError(device.controlTransferOut({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]))),
assertRejectsWithNotOpenError(device.clearHalt('in', 1)),
assertRejectsWithNotOpenError(device.transferIn(1, 8)),
assertRejectsWithNotOpenError(
device.transferOut(1, new ArrayBuffer(8))),
assertRejectsWithNotOpenError(device.isochronousTransferIn(1, [8])),
assertRejectsWithNotOpenError(
device.isochronousTransferOut(1, new ArrayBuffer(8), [8])),
assertRejectsWithNotOpenError(device.reset())
]);
});
}, 'methods requiring it reject when the device is not open');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
assert_equals(device.configuration, null);
return device.open()
.then(() => {
assert_equals(device.configuration, null);
return device.selectConfiguration(1);
})
.then(() => {
usb.assertConfigurationInfoEquals(
device.configuration, usb.fakeDevices[0].configurations[0]);
})
.then(() => device.close());
});
}, 'device configuration can be set and queried');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
assert_equals(device.configuration, null);
return device.open()
.then(() => assertRejectsWithError(
device.selectConfiguration(3), 'NotFoundError',
'The configuration value provided is not supported by the device.'))
.then(() => device.close());
});
}, 'selectConfiguration rejects on invalid configurations');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
assert_equals(device.configuration, null);
return device.open().then(() => Promise.all([
assertRejectsWithNotConfiguredError(device.claimInterface(0)),
assertRejectsWithNotConfiguredError(device.releaseInterface(0)),
assertRejectsWithNotConfiguredError(device.selectAlternateInterface(0, 1)),
assertRejectsWithNotConfiguredError(device.controlTransferIn({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, 7)),
assertRejectsWithNotConfiguredError(device.controlTransferOut({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]))),
assertRejectsWithNotConfiguredError(device.clearHalt('in', 1)),
assertRejectsWithNotConfiguredError(device.transferIn(1, 8)),
assertRejectsWithNotConfiguredError(
device.transferOut(1, new ArrayBuffer(8))),
assertRejectsWithNotConfiguredError(
device.isochronousTransferIn(1, [8])),
assertRejectsWithNotConfiguredError(
device.isochronousTransferOut(1, new ArrayBuffer(8), [8])),
])).then(() => device.close());
});
}, 'methods requiring it reject when the device is unconfigured');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => device.releaseInterface(0))
.then(() => device.close());
});
}, 'an interface can be claimed and released');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
const message = 'The interface number provided is not supported by the ' +
'device in its current configuration.';
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => Promise.all([
assertRejectsWithError(
device.claimInterface(2), 'NotFoundError', message),
assertRejectsWithError(
device.releaseInterface(2), 'NotFoundError', message),
]))
.then(() => device.close());
});
}, 'a non-existent interface cannot be claimed or released');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
var device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.claimInterface(0));
});
});
}, 'claimInterface rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
var device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.releaseInterface(0));
});
});
}, 'releaseInterface rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => device.selectAlternateInterface(0, 1))
.then(() => device.close());
});
}, 'can select an alternate interface');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => assertRejectsWithError(
device.selectAlternateInterface(0, 2), 'NotFoundError',
'The alternate setting provided is not supported by the device in ' +
'its current configuration.'))
.then(() => device.close());
});
}, 'cannot select a non-existent alternate interface');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
var device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.selectAlternateInterface(0, 1));
});
});
}, 'selectAlternateInterface rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.controlTransferIn({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, 7))
.then(result => {
assert_true(result instanceof USBInTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.data.byteLength, 7);
assert_equals(result.data.getUint16(0), 0x07);
assert_equals(result.data.getUint8(2), 0x42);
assert_equals(result.data.getUint16(3), 0x1234);
assert_equals(result.data.getUint16(5), 0x5678);
return device.close();
});
});
}, 'can issue IN control transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.controlTransferIn({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, 7));
});
});
}, 'controlTransferIn rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.controlTransferOut({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8])))
.then(result => {
assert_true(result instanceof USBOutTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.bytesWritten, 8);
return device.close();
})
});
}, 'can issue OUT control transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.controlTransferOut({
requestType: 'vendor',
recipient: 'device',
request: 0x42,
value: 0x1234,
index: 0x5678
}, new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8])));
});
});
}, 'controlTransferOut rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
let interfaceRequest = {
requestType: 'vendor',
recipient: 'interface',
request: 0x42,
value: 0x1234,
index: 0x5600 // Last byte of index is interface number.
};
let endpointRequest = {
requestType: 'vendor',
recipient: 'endpoint',
request: 0x42,
value: 0x1234,
index: 0x5681 // Last byte of index is endpoint address.
};
let data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => Promise.all([
assertRejectsWithError(
device.controlTransferIn(interfaceRequest, 7),
'InvalidStateError'),
assertRejectsWithError(
device.controlTransferIn(endpointRequest, 7),
'NotFoundError'),
assertRejectsWithError(
device.controlTransferOut(interfaceRequest, data),
'InvalidStateError'),
assertRejectsWithError(
device.controlTransferOut(endpointRequest, data),
'NotFoundError'),
]))
.then(() => device.claimInterface(0))
.then(() => Promise.all([
device.controlTransferIn(interfaceRequest, 7).then(result => {
assert_true(result instanceof USBInTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.data.byteLength, 7);
assert_equals(result.data.getUint16(0), 0x07);
assert_equals(result.data.getUint8(2), 0x42);
assert_equals(result.data.getUint16(3), 0x1234);
assert_equals(result.data.getUint16(5), 0x5600);
}),
device.controlTransferIn(endpointRequest, 7).then(result => {
assert_true(result instanceof USBInTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.data.byteLength, 7);
assert_equals(result.data.getUint16(0), 0x07);
assert_equals(result.data.getUint8(2), 0x42);
assert_equals(result.data.getUint16(3), 0x1234);
assert_equals(result.data.getUint16(5), 0x5681);
}),
device.controlTransferOut(interfaceRequest, data),
device.controlTransferOut(endpointRequest, data),
]))
.then(() => device.close());
});
}, 'requests to interfaces and endpoint require an interface claim');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => device.clearHalt('in', 1))
.then(() => device.close());
});
}, 'can clear a halt condition');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.clearHalt('in', 1));
});
});
}, 'clearHalt rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
let data = new DataView(new ArrayBuffer(1024));
for (let i = 0; i < 1024; ++i)
data.setUint8(i, i & 0xff);
const notFoundMessage = 'The specified endpoint is not part of a claimed ' +
'and selected alternate interface.';
const rangeError = 'The specified endpoint number is out of range.';
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => Promise.all([
assertRejectsWithError(device.transferIn(2, 8),
'NotFoundError', notFoundMessage), // Unclaimed
assertRejectsWithError(device.transferIn(3, 8), 'NotFoundError',
notFoundMessage), // Non-existent
assertRejectsWithError(
device.transferIn(16, 8), 'IndexSizeError', rangeError),
assertRejectsWithError(device.transferOut(2, data),
'NotFoundError', notFoundMessage), // Unclaimed
assertRejectsWithError(device.transferOut(3, data), 'NotFoundError',
notFoundMessage), // Non-existent
assertRejectsWithError(
device.transferOut(16, data), 'IndexSizeError', rangeError),
]));
});
}, 'transfers to unavailable endpoints are rejected');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(0))
.then(() => device.transferIn(1, 8))
.then(result => {
assert_true(result instanceof USBInTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.data.byteLength, 8);
for (let i = 0; i < 8; ++i)
assert_equals(result.data.getUint8(i), i, 'mismatch at byte ' + i);
return device.close();
});
});
}, 'can issue IN interrupt transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(1))
.then(() => device.transferIn(2, 1024))
.then(result => {
assert_true(result instanceof USBInTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.data.byteLength, 1024);
for (let i = 0; i < 1024; ++i)
assert_equals(result.data.getUint8(i), i & 0xff,
'mismatch at byte ' + i);
return device.close();
});
});
}, 'can issue IN bulk transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(1))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.transferIn(2, 1024));
});
});
}, 'transferIn rejects if called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(1))
.then(() => {
let data = new DataView(new ArrayBuffer(1024));
for (let i = 0; i < 1024; ++i)
data.setUint8(i, i & 0xff);
return device.transferOut(2, data);
})
.then(result => {
assert_true(result instanceof USBOutTransferResult);
assert_equals(result.status, 'ok');
assert_equals(result.bytesWritten, 1024);
return device.close();
});
});
}, 'can issue OUT bulk transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(1))
.then(() => device.claimInterface(1))
.then(() => {
let data = new DataView(new ArrayBuffer(1024));
for (let i = 0; i < 1024; ++i)
data.setUint8(i, i & 0xff);
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.transferOut(2, data));
});
});
}, 'transferOut rejects if called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => device.selectAlternateInterface(0, 1))
.then(() => device.isochronousTransferIn(
1, [64, 64, 64, 64, 64, 64, 64, 64]))
.then(result => {
assert_true(result instanceof USBIsochronousInTransferResult);
assert_equals(result.data.byteLength, 64 * 8, 'buffer size');
assert_equals(result.packets.length, 8, 'number of packets');
let byteOffset = 0;
for (let i = 0; i < result.packets.length; ++i) {
assert_true(
result.packets[i] instanceof USBIsochronousInTransferPacket);
assert_equals(result.packets[i].status, 'ok');
assert_equals(result.packets[i].data.byteLength, 64);
assert_equals(result.packets[i].data.buffer, result.data.buffer);
assert_equals(result.packets[i].data.byteOffset, byteOffset);
for (let j = 0; j < 64; ++j)
assert_equals(result.packets[i].data.getUint8(j), j & 0xff,
'mismatch at byte ' + j + ' of packet ' + i);
byteOffset += result.packets[i].data.byteLength;
}
return device.close();
});
});
}, 'can issue IN isochronous transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => device.selectAlternateInterface(0, 1))
.then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.isochronousTransferIn(
1, [64, 64, 64, 64, 64, 64, 64, 64]));
});
});
}, 'isochronousTransferIn rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => device.selectAlternateInterface(0, 1))
.then(() => {
let data = new DataView(new ArrayBuffer(64 * 8));
for (let i = 0; i < 8; ++i) {
for (let j = 0; j < 64; ++j)
data.setUint8(i * j, j & 0xff);
}
return device.isochronousTransferOut(
1, data, [64, 64, 64, 64, 64, 64, 64, 64]);
})
.then(result => {
assert_true(result instanceof USBIsochronousOutTransferResult);
assert_equals(result.packets.length, 8, 'number of packets');
let byteOffset = 0;
for (let i = 0; i < result.packets.length; ++i) {
assert_true(
result.packets[i] instanceof USBIsochronousOutTransferPacket);
assert_equals(result.packets[i].status, 'ok');
assert_equals(result.packets[i].bytesWritten, 64);
}
return device.close();
});
});
}, 'can issue OUT isochronous transfer');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(devices.length, 1);
let device = devices[0];
return device.open()
.then(() => device.selectConfiguration(2))
.then(() => device.claimInterface(0))
.then(() => device.selectAlternateInterface(0, 1))
.then(() => {
let data = new DataView(new ArrayBuffer(64 * 8));
for (let i = 0; i < 8; ++i) {
for (let j = 0; j < 64; ++j)
data.setUint8(i * j, j & 0xff);
}
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.isochronousTransferOut(
1, data, [64, 64, 64, 64, 64, 64, 64, 64]));
});
});
}, 'isochronousTransferOut rejects when called on a disconnected device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open().then(() => device.reset()).then(() => device.close());
});
}, 'can reset the device');
usb_test(usb => {
usb.mockDeviceManager.addMockDevice(usb.fakeDevices[0]);
return navigator.usb.getDevices().then(devices => {
assert_equals(1, devices.length);
let device = devices[0];
return device.open().then(() => {
usb.mockDeviceManager.removeMockDevice(usb.fakeDevices[0]);
return assertRejectsWithNotFoundError(device.reset());
});
});
}, 'resetDevice rejects when called on a disconnected device');
</script>