1 files changed, 41 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-timers-same-timeout-wrong-list-deleted.js b/tests/node_compat/test/parallel/test-timers-same-timeout-wrong-list-deleted.js
new file mode 100644
index 000000000..fa6348d75
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-timers-same-timeout-wrong-list-deleted.js
@@ -0,0 +1,41 @@
+// 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';
+
+// This is a regression test for https://github.com/nodejs/node/issues/7722.
+//
+// When nested timers have the same timeout, calling clearTimeout on the
+// older timer after it has fired causes the list the newer timer is in
+// to be deleted. Since the newer timer was not cleared, it still blocks
+// the event loop completing for the duration of its timeout, however, since
+// no reference exists to it in its list, it cannot be canceled and its
+// callback is not called when the timeout elapses.
+
+const common = require('../common');
+
+const TIMEOUT = common.platformTimeout(100);
+
+const handle1 = setTimeout(common.mustCall(function() {
+  // Cause the old TIMEOUT list to be deleted
+  clearTimeout(handle1);
+
+  // Cause a new list with the same key (TIMEOUT) to be created for this timer
+  const handle2 = setTimeout(common.mustNotCall(), TIMEOUT);
+
+  setTimeout(common.mustCall(function() {
+    // Attempt to cancel the second timer. Fix for this bug will keep the
+    // newer timer from being dereferenced by keeping its list from being
+    // erroneously deleted. If we are able to cancel the timer successfully,
+    // the bug is fixed.
+    clearTimeout(handle2);
+  }), 1);
+
+  // When this callback completes, `listOnTimeout` should now look at the
+  // correct list and refrain from removing the new TIMEOUT list which
+  // contains the reference to the newer timer.
+}), TIMEOUT);