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test/known_issues/test-stream-writable-sync-error.js

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+'use strict';
+const common = require('../common');
+
+// Tests for the regression in _stream_writable discussed in
+// https://github.com/nodejs/node/pull/31756
+
+// Specifically, when a write callback is invoked synchronously
+// with an error, and autoDestroy is not being used, the error
+// should still be emitted on nextTick.
+
+const { Writable } = require('stream');
+
+class MyStream extends Writable {
+  #cb = undefined;
+
+  constructor() {
+    super({ autoDestroy: false });
+  }
+
+  _write(_, __, cb) {
+    this.#cb = cb;
+  }
+
+  close() {
+    // Synchronously invoke the callback with an error.
+    this.#cb(new Error('foo'));
+  }
+}
+
+const stream = new MyStream();
+
+const mustError = common.mustCall(2);
+
+stream.write('test', () => {});
+
+// Both error callbacks should be invoked.
+
+stream.on('error', mustError);
+
+stream.close();
+
+// Without the fix in #31756, the error handler
+// added after the call to close will not be invoked.
+stream.on('error', mustError);