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-rw-r--r--tests/node_compat/test/parallel/test-stream-pipe-manual-resume.js42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-stream-pipe-manual-resume.js b/tests/node_compat/test/parallel/test-stream-pipe-manual-resume.js
new file mode 100644
index 000000000..0666e44d6
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-stream-pipe-manual-resume.js
@@ -0,0 +1,42 @@
+// 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 `tools/node_compat/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);