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denoland-deno/cli/tests/node_compat/test/parallel/test-stream-duplex-readable-end.js

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// deno-fmt-ignore-file
// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
// https://github.com/nodejs/node/issues/35926
const common = require('../common');
const assert = require('assert');
const stream = require('stream');
let loops = 5;
const src = new stream.Readable({
read() {
if (loops--)
this.push(Buffer.alloc(20000));
}
});
const dst = new stream.Transform({
transform(chunk, output, fn) {
this.push(null);
fn();
}
});
src.pipe(dst);
dst.on('data', () => { });
dst.on('end', common.mustCall(() => {
assert.strictEqual(loops, 3);
assert.ok(src.isPaused());
}));