<!DOCTYPE html>
<html>
<head>
<script src="../resources/js-test.js"></script>
<script src="../http/tests/resources/permissions-helper.js"></script>
<script src="state-check-utils.js"></script>
<script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script>
<script src="file:///gen/media/midi/midi_service.mojom.js"></script>
<script src="../http/tests/webmidi/mock-midiservice.js"></script>
</head>
<body>
<script>
description("Tests MIDIPort implicit open.");

shouldBeDefined("PermissionsHelper.setPermission");

function resetInputDevice(port) {
    debug("- reset input device");
    // Reset event handlers so that close() does not cause check failures.
    port.onstatechange = null;
    access.onstatechange = null;
    return port.close();
}

function successAccessCallback(a) {
    window.access = a;
    testPassed("requestMIDIAccess() succeeded with access " + access + ".");

    var inputPort = access.inputs.values().next().value;
    var outputPort = access.outputs.values().next().value;

    checkStateTransition({
        port: inputPort,
        method: "setonmidimessage",
        initialconnection: "closed",
        finalconnection: "open" }
    ).then(resetInputDevice.bind(undefined, inputPort
    )).then(checkStateTransition.bind(undefined, {
        port: inputPort,
        method: "addeventlistener",
        initialconnection: "closed",
        finalconnection: "open" }
    )).then(checkStateTransition.bind(undefined, {
        port: outputPort,
        method: "send",
        initialconnection: "closed",
        finalconnection: "open" }
    )).then(finishJSTest, finishJSTest);
}

function errorAccessCallback(error) {
    testFailed("requestMIDIAccess() error callback should not be called when requesting basic access.");
    finishJSTest();
}

window.jsTestIsAsync = true;

// Set default permission behavior that grants non-sysex requests.
PermissionsHelper.setPermission('midi', 'granted').then(function() {
    // Test MIDIPort state transition by send() and onmidimessage handler.
    navigator.requestMIDIAccess().then(successAccessCallback, errorAccessCallback);
});

</script>
</body>
</html>