83 lines
2.6 KiB
HTML
83 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title></title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/common.js"></script>
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<script src="resources/manual.js"></script>
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</head>
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<body>
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<p>
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These tests require a serial device to be connected and disconnected.
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</p>
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<script>
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manual_serial_test(async (t, port) => {
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const watcher = new EventWatcher(t, navigator.serial, ['disconnect']);
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await port.open({baudRate: 115200, bufferSize: 1024});
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const disconnectPromise = watcher.wait_for(['disconnect'])
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const reader = port.readable.getReader();
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const disconnectMessage = document.createElement('div');
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disconnectMessage.textContent = 'Disconnect the device now.';
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document.body.appendChild(disconnectMessage);
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try {
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while (true) {
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const {value, done} = await reader.read();
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// Ignore |value| in case the device happens to produce data. It is
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// not important for this test.
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assert_false(done);
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}
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} catch (e) {
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assert_equals(e.constructor, DOMException);
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assert_equals(e.name, 'NetworkError');
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}
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reader.releaseLock();
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assert_equals(port.readable, null);
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let event = await disconnectPromise;
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assert_equals(event.target, port);
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disconnectMessage.remove();
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await port.close();
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}, 'Disconnect during read is detected.');
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manual_serial_test(async (t, port) => {
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const watcher = new EventWatcher(t, navigator.serial, ['disconnect']);
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await port.open({baudRate: 115200, bufferSize: 1024});
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const disconnectPromise = watcher.wait_for(['disconnect'])
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const writer = port.writable.getWriter();
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const disconnectMessage = document.createElement('div');
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disconnectMessage.textContent = 'Disconnect the device now.';
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document.body.appendChild(disconnectMessage);
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const data = new Uint8Array(4096);
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try {
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while (true) {
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await writer.write(data);
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}
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} catch (e) {
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assert_equals(e.constructor, DOMException);
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assert_equals(e.name, 'NetworkError');
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}
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writer.releaseLock();
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assert_equals(port.writable, null);
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let event = await disconnectPromise;
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assert_equals(event.target, port);
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disconnectMessage.remove();
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await port.close();
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}, 'Disconnect during write is detected.');
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</script>
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</body>
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</html>
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