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<html>
<head>
<title>WebMIDI Device Open/Close Test</title>
<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);
let access;
try {
access = await navigator.requestMIDIAccess({ "sysex": false })
} catch (e) {
ok(false, "MIDI Access Request Failed!");
SimpleTest.finish();
}
ok(true, "MIDI Access Request successful");
let input = access.inputs.get(await MIDITestUtils.inputInfo.id);
let portEventRes;
let accessEventRes;
let portEventPromise = new Promise((resolve) => { portEventRes = resolve; });
let accessEventPromise = new Promise((resolve) => { accessEventRes = resolve; });
let shouldClose = false;
let checkPort = (event) => {
ok(input === event.port, "input port object and event port object are same object");
ok(true, "port connection event fired");
ok(event.port.connection === (!shouldClose ? "open" : "closed"), "connection registered correctly");
};
let inputEventHandler = (event) => {
checkPort(event);
portEventRes();
};
let accessEventHandler = (event) => {
checkPort(event);
accessEventRes();
};
input.addEventListener("statechange", inputEventHandler);
access.addEventListener("statechange", accessEventHandler);
await input.open();
ok(true, "connection successful");
ok(input.connection === "open", "connection registered as open");
await Promise.all([portEventPromise, accessEventPromise]);
input.removeEventListener("statechange", inputEventHandler);
access.removeEventListener("statechange", accessEventHandler);
ok(true, "MIDI Port Open Test finished.");
ok(true, "Testing open failure");
let out_access;
try {
out_access = await navigator.requestMIDIAccess({ "sysex": false });
} catch (e) {
ok(false, "MIDI Access Request Failed!");
SimpleTest.finish();
}
let outputEventHandler = (event) => {
ok(output_opened === event.port, "output port object and event port object are same object");
ok(true, "access connection event fired");
ok(event.port.connection === "closed", "connection registered as closed");
};
out_access.addEventListener("statechange", outputEventHandler);
let output_opened = out_access.outputs.get(await MIDITestUtils.alwaysClosedTestOutputInfo.id);
try {
await output_opened.open();
ok(false, "Should've failed to open port!");
} catch(err) {
is(err.name, "InvalidAccessError", "error name " + err.name + " should be InvalidAccessError");
ok(output_opened.connection == "closed", "connection registered as closed");
ok(true, "Port not opened, test succeeded");
} finally {
out_access.removeEventListener("statechange", outputEventHandler);
}
ok(true, "Starting MIDI port closing test");
portEventPromise = new Promise((resolve) => { portEventRes = resolve; });
accessEventPromise = new Promise((resolve) => { accessEventRes = resolve; });
input.addEventListener("statechange", inputEventHandler);
access.addEventListener("statechange", accessEventHandler);
shouldClose = true;
await input.close();
ok(input.connection === "closed", "connection registered as closed");
await Promise.all([portEventPromise, accessEventPromise]);
input.removeEventListener("statechange", inputEventHandler);
access.removeEventListener("statechange", accessEventHandler);
SimpleTest.finish();
}
</script>
</body>
</html>
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