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| author | Yoshiya Hinosawa <stibium121@gmail.com> | 2023-02-21 00:35:04 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-20 16:35:04 +0100 |
| commit | 6915a9b7a701dde0e1078867961c9a91811c1850 (patch) | |
| tree | e6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-stream-backpressure.js | |
| parent | a1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (diff) | |
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.
Diffstat (limited to 'cli/tests/node_compat/test/parallel/test-stream-backpressure.js')
| -rw-r--r-- | cli/tests/node_compat/test/parallel/test-stream-backpressure.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-stream-backpressure.js b/cli/tests/node_compat/test/parallel/test-stream-backpressure.js new file mode 100644 index 000000000..f971e2ec5 --- /dev/null +++ b/cli/tests/node_compat/test/parallel/test-stream-backpressure.js @@ -0,0 +1,46 @@ +// 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 assert = require('assert'); +const stream = require('stream'); + +let pushes = 0; +const total = 65500 + 40 * 1024; +const rs = new stream.Readable({ + read: common.mustCall(function() { + if (pushes++ === 10) { + this.push(null); + return; + } + + const length = this._readableState.length; + + // We are at most doing two full runs of _reads + // before stopping, because Readable is greedy + // to keep its buffer full + assert(length <= total); + + this.push(Buffer.alloc(65500)); + for (let i = 0; i < 40; i++) { + this.push(Buffer.alloc(1024)); + } + + // We will be over highWaterMark at this point + // but a new call to _read is scheduled anyway. + }, 11) +}); + +const ws = stream.Writable({ + write: common.mustCall(function(data, enc, cb) { + setImmediate(cb); + }, 41 * 10) +}); + +rs.pipe(ws); |
