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denoland-deno/tests/node_compat/test/parallel/test-stream-readable-resume-hwm.js
Asher Gomez 29085895c9
chore: move tools/node_compat to tests/node_compat/runner (#23025)
The `tools/node_compat/node` submodule has been moved to
`tests/node_compat/runner/suite` and the remaining files within
`tools/node_compat` to `tests/node_compat/runner`.

Most of the changes are of the header within `tests/node_compat/test`
files. The `setup` and `test` tasks within `tests/node_comapt` execute
successfully.

Towards #22525
CC @mmastrac
2024-04-03 09:24:55 +11:00

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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 `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
'use strict';
const common = require('../common');
const { Readable } = require('stream');
// readable.resume() should not lead to a ._read() call being scheduled
// when we exceed the high water mark already.
const readable = new Readable({
read: common.mustNotCall(),
highWaterMark: 100
});
// Fill up the internal buffer so that we definitely exceed the HWM:
for (let i = 0; i < 10; i++)
readable.push('a'.repeat(200));
// Call resume, and pause after one chunk.
// The .pause() is just so that we dont empty the buffer fully, which would
// be a valid reason to call ._read().
readable.resume();
readable.once('data', common.mustCall(() => readable.pause()));