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denoland-deno/cli/tests/node_compat/test/parallel/test-stream-pipe-manual-resume.js
Yoshiya Hinosawa 6915a9b7a7
test(ext/node): more node compat tests (#17827)
This PR adds the remaining ~650 Node.js compat test cases from std/node.

Among these 650 cases, about 130 cases are now failing. These failing
cases are prefixed with `TODO:` in `tests/node_compat/config.json`.
These will be addressed in later PRs.
2023-02-20 16:35:04 +01:00

42 lines
1,017 B
JavaScript

// 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 "node/_tools/setup.ts". Do not modify this file manually
'use strict';
const common = require('../common');
const stream = require('stream');
function test(throwCodeInbetween) {
// Check that a pipe does not stall if .read() is called unexpectedly
// (i.e. the stream is not resumed by the pipe).
const n = 1000;
let counter = n;
const rs = stream.Readable({
objectMode: true,
read: common.mustCallAtLeast(() => {
if (--counter >= 0)
rs.push({ counter });
else
rs.push(null);
}, n)
});
const ws = stream.Writable({
objectMode: true,
write: common.mustCall((data, enc, cb) => {
setImmediate(cb);
}, n)
});
setImmediate(() => throwCodeInbetween(rs, ws));
rs.pipe(ws);
}
test((rs) => rs.read());
test((rs) => rs.resume());
test(() => 0);