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<html>
<head>
<title>WebMIDI Listener Test</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="application/javascript" src="MIDITestUtils.js"></script>
</head>
<body onload="runTests()">
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
async function runTests() {
await MIDITestUtils.permissionSetup(true);
var output;
var test_ports = [];
let access;
let accessRes;
let accessPromise;
let portRes;
let portPromise;
function resetPromises() {
accessPromise = new Promise((res) => { accessRes = res; });
portPromise = new Promise((res) => { portRes = res; });
}
function accessStateChangeHandler(event) {
var p = event.port;
// We'll get an open event for the output control port. Ignore it.
if (p.name == MIDITestUtils.outputInfo.name) {
return;
}
accessRes(event);
}
function portStateChangeHandler(event) {
var p = event.port;
// We'll get an open event for the output control port. Ignore it.
if (p.name == MIDITestUtils.outputInfo.name) {
return;
}
portRes(event);
}
// Part 1: Create MIDIAccess object, attach state change listener to list for new connections
access = await navigator.requestMIDIAccess({ "sysex": false });
ok(true, "MIDI Access Request successful");
is(access.sysexEnabled, false, "Sysex should be false");
access.addEventListener("statechange", accessStateChangeHandler);
// Part 2: open test device, make sure it connects, attach event handler to device object
output = access.outputs.get(await MIDITestUtils.outputInfo.id);
resetPromises();
output.send([0x90, 0x01, 0x00]);
let accessEvent = await accessPromise;
let testPort = accessEvent.port;
test_ports.push(testPort);
testPort.addEventListener("statechange", portStateChangeHandler);
is(testPort.state, "connected", "Device " + testPort.name + " connected");
// Part 3: Listen for port status change on open as both an access event
// and a port event.
resetPromises();
testPort.open();
accessEvent = await accessPromise;
is(testPort.connection, "open", "Connection " + testPort.name + " opened");
let portEvent = await portPromise;
is(testPort.connection, "open", "Connection " + testPort.name + " opened");
// Part 4: Disconnect port but don't close, check status to make sure we're pending.
resetPromises();
output.send([0x90, 0x02, 0x00]);
accessEvent = await accessPromise;
is(testPort.connection, "pending", "Connection " + testPort.name + " pending");
is(access.inputs.has(testPort.id), false, "port removed from input map while pending");
portEvent = await portPromise;
is(testPort.connection, "pending", "Connection " + testPort.name + " pending");
// Part 5: Connect ports again, make sure we return to the right status. The events will
// fire because the device has been readded to the device maps in the access object.
resetPromises();
output.send([0x90, 0x01, 0x00]);
accessEvent = await accessPromise;
var port = access.inputs.get(testPort.id);
is(port, accessEvent.port, "port in map and port in event should be the same");
is(testPort.connection, "pending", "Connection " + testPort.name + " pending");
portEvent = await portPromise;
is(testPort.connection, "pending", "Connection " + testPort.name + " pending");
// Part 6: Close out everything and clean up.
resetPromises();
accessEvent = await accessPromise;
is(accessEvent.port.connection, "open", "Connection " + testPort.name + " opened");
portEvent = await portPromise;
is(portEvent.port.connection, "open", "Connection " + testPort.name + " opened");
/* for (let port of test_ports) {
* port.removeEventListener("statechange", checkDevices);
* }
* access.removeEventListener("statechange", checkDevices);*/
output.send([0x90, 0x02, 0x00]);
testPort.removeEventListener("statechange", portStateChangeHandler);
access.removeEventListener("statechange", accessStateChangeHandler);
access = undefined;
output = undefined;
testPort = undefined;
accessEvent = undefined;
portEvent = undefined;
SimpleTest.finish();
}
</script>
</body>
</html>
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