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37 lines
1,009 B
JavaScript
37 lines
1,009 B
JavaScript
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
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'use strict';
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const common = require('../common');
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const { Readable, Writable } = require('stream');
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// Tests that calling .unpipe() un-blocks a stream that is paused because
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// it is waiting on the writable side to finish a write().
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const rs = new Readable({
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highWaterMark: 1,
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// That this gets called at least 20 times is the real test here.
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read: common.mustCallAtLeast(() => rs.push('foo'), 20)
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});
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const ws = new Writable({
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highWaterMark: 1,
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write: common.mustCall(() => {
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// Ignore the callback, this write() simply never finishes.
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setImmediate(() => rs.unpipe(ws));
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})
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});
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let chunks = 0;
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rs.on('data', common.mustCallAtLeast(() => {
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chunks++;
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if (chunks >= 20)
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rs.pause(); // Finish this test.
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}));
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rs.pipe(ws);
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