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// META: script=/resources/test-only-api.js
// META: script=/serial/resources/common.js
// META: script=resources/automation.js
serial_test(async (t, fake) => {
const {port, fakePort} = await getFakeSerialPort(fake);
// Select a buffer size larger than the amount of data transferred.
await port.open({baudRate: 9600, bufferSize: 64});
const decoder = new TextDecoderStream();
const streamClosed = port.readable.pipeTo(decoder.writable);
const reader = decoder.readable.getReader();
await fakePort.writable();
fakePort.write(new TextEncoder().encode('Hello world!'));
const {value, done} = await reader.read();
assert_false(done);
assert_equals('Hello world!', value);
await reader.cancel();
await streamClosed.catch(reason => {
assert_equals(undefined, reason);
});
await port.close();
}, 'Can pipe readable through a transform stream.')
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