From 3cc2379c822f58e9620ad89f55485e37a26ed0ce Mon Sep 17 00:00:00 2001
From: Theodor Steiner <theodor.steiner@linecorp.com>
Date: Mon, 27 Feb 2023 17:23:13 +0900
Subject: [PATCH] test: add test that fails without the changes of #46742

---
 .../test-readline-recursive-writes.js         | 31 ++++++++++++
 .../test-repl-load-multiline-function.js      | 47 -------------------
 2 files changed, 31 insertions(+), 47 deletions(-)
 create mode 100644 test/parallel/test-readline-recursive-writes.js
 delete mode 100644 test/parallel/test-repl-load-multiline-function.js

diff --git a/test/parallel/test-readline-recursive-writes.js b/test/parallel/test-readline-recursive-writes.js
new file mode 100644
index 00000000000000..21813ab4b89520
--- /dev/null
+++ b/test/parallel/test-readline-recursive-writes.js
@@ -0,0 +1,31 @@
+'use strict';
+const common = require('../common');
+const ArrayStream = require('../common/arraystream');
+const assert = require('assert');
+
+common.skipIfDumbTerminal();
+
+const readline = require('readline');
+const rli = new readline.Interface({
+  terminal: true,
+  input: new ArrayStream(),
+});
+
+let recursionDepth = 0;
+
+rli.on('line', function onLine() {
+  // Abort in case of infinite loop
+  if (recursionDepth > 2) {
+    return
+  }
+  recursionDepth++
+  // Write something recursively to readline
+  rli.write('foo');
+  return;
+});
+
+// minimal reproduction for #46731
+const testInput = ' \n}\n';
+rli.write(testInput);
+
+assert.strictEqual(recursionDepth, testInput.match(/\n/g).length, "infinite loop");
diff --git a/test/parallel/test-repl-load-multiline-function.js b/test/parallel/test-repl-load-multiline-function.js
deleted file mode 100644
index 055cd1cf2fd954..00000000000000
--- a/test/parallel/test-repl-load-multiline-function.js
+++ /dev/null
@@ -1,47 +0,0 @@
-'use strict';
-const common = require('../common');
-const ArrayStream = require('../common/arraystream');
-const assert = require('assert');
-const join = require('path').join;
-const fs = require('fs');
-
-common.skipIfDumbTerminal();
-
-const tmpdir = require('../common/tmpdir');
-tmpdir.refresh();
-
-const terminalCode = '(\u001b[1G\u001b[0J \u001b[1G)';
-const terminalCodeRegex = new RegExp(terminalCode.replace(/\[/g, '\\['), 'g');
-
-const repl = require('repl');
-
-const inputStream = new ArrayStream();
-const outputStream = new ArrayStream();
-
-const r = repl.start({
-  prompt: '',
-  input: inputStream,
-  output: outputStream,
-  terminal: true,
-  useColors: false
-});
-
-const testFile = 'function a(b) {\n  return b }\na(1)\n';
-const testFileName = join(tmpdir.path, 'foo.js');
-fs.writeFileSync(testFileName, testFile);
-
-const command = `.load ${testFileName}\n`;
-let accum = '';
-outputStream.write = (data) => accum += data.replace('\r', '');
-
-
-r.write(command);
-
-const expected = command +
-'function a(b) {\n' +
-'  return b }\n' +
-'a(1)\n' +
-'\n' +
-'1\n';
-assert.strictEqual(accum.replace(terminalCodeRegex, ''), expected);
-r.close();