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authorYoshiya Hinosawa <stibium121@gmail.com>2023-02-21 00:35:04 +0900
committerGitHub <noreply@github.com>2023-02-20 16:35:04 +0100
commit6915a9b7a701dde0e1078867961c9a91811c1850 (patch)
treee6822f2b8400c7c7941d3cb9ace59842389b5bc9 /cli/tests/node_compat/test/parallel/test-stream-backpressure.js
parenta1cd2a5915c13f6a9b8eafa3807e143a02616bc1 (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.js46
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);