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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 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
// Copyright Joyent, Inc. and other Node contributors.//// Permission is hereby granted, free of charge, to any person obtaining a// copy of this software and associated documentation files (the// "Software"), to deal in the Software without restriction, including// without limitation the rights to use, copy, modify, merge, publish,// distribute, sublicense, and/or sell copies of the Software, and to permit// persons to whom the Software is furnished to do so, subject to the// following conditions://// The above copyright notice and this permission notice shall be included// in all copies or substantial portions of the Software.//// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';const common = require('../common');const assert = require('assert');
const Readable = require('stream').Readable;
{  // First test, not reading when the readable is added.  // make sure that on('readable', ...) triggers a readable event.  const r = new Readable({    highWaterMark: 3  });
  r._read = common.mustNotCall();
  // This triggers a 'readable' event, which is lost.  r.push(Buffer.from('blerg'));
  setTimeout(function() {    // We're testing what we think we are    assert(!r._readableState.reading);    r.on('readable', common.mustCall());  }, 1);}
{  // Second test, make sure that readable is re-emitted if there's  // already a length, while it IS reading.
  const r = new Readable({    highWaterMark: 3  });
  r._read = common.mustCall();
  // This triggers a 'readable' event, which is lost.  r.push(Buffer.from('bl'));
  setTimeout(function() {    // Assert we're testing what we think we are    assert(r._readableState.reading);    r.on('readable', common.mustCall());  }, 1);}
{  // Third test, not reading when the stream has not passed  // the highWaterMark but *has* reached EOF.  const r = new Readable({    highWaterMark: 30  });
  r._read = common.mustNotCall();
  // This triggers a 'readable' event, which is lost.  r.push(Buffer.from('blerg'));  r.push(null);
  setTimeout(function() {    // Assert we're testing what we think we are    assert(!r._readableState.reading);    r.on('readable', common.mustCall());  }, 1);}
{  // Pushing an empty string in non-objectMode should  // trigger next `read()`.  const underlyingData = ['', 'x', 'y', '', 'z'];  const expected = underlyingData.filter((data) => data);  const result = [];
  const r = new Readable({    encoding: 'utf8',  });  r._read = function() {    process.nextTick(() => {      if (!underlyingData.length) {        this.push(null);      } else {        this.push(underlyingData.shift());      }    });  };
  r.on('readable', () => {    const data = r.read();    if (data !== null) result.push(data);  });
  r.on('end', common.mustCall(() => {    assert.deepStrictEqual(result, expected);  }));}
{  // #20923  const r = new Readable();  r._read = function() {    // Actually doing thing here  };  r.on('data', function() {});
  r.removeAllListeners();
  assert.strictEqual(r.eventNames().length, 0);}