| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Firefox/dom/midi/tests/ (Browser von der Mozilla Stiftung Version 136.0.1©) Datei vom 10.2.2025 mit Größe 1 kB |
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Quelle test_midi_device_connect_disconnect.html Sprache: HTML |
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<html> <head> <title>WebMIDI Listener 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 output; let midi_access; try { midi_access = await navigator.requestMIDIAccess({ "sysex": false }); ok(true, "MIDI Access Request successful"); } catch (e) { ok(false, "MIDI Access Request failed!"); SimpleTest.finish(); return; } is(midi_access.sysexEnabled, false, "Sysex should be false"); output = midi_access.outputs.get(await MIDITestUtils.outputInfo.id); let statePromiseRes; let statePromise = new Promise((res) => { statePromiseRes = res; }); await output.open(); let stateChangeHandler = (event) => { if (event.port == output) { return; } statePromiseRes(event.port); }; midi_access.addEventListener("statechange", stateChangeHandler); // Send command to connect new port. output.send([0x90, 0x01, 0x00]); let p = await statePromise; is(p.state, "connected", "Device " + p.name + " connected"); // Rebuild our promise, we'll need to await another one. statePromise = new Promise((res) => { statePromiseRes = res; }); output.send([0x90, 0x02, 0x00]); p = await statePromise; is(p.state, "disconnected", "Device " + p.name + " disconnected"); midi_access.removeEventListener("statechange", stateChangeHandler); SimpleTest.finish(); } </script> </body> </html>
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2026-04-04