1 files changed, 68 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-next-tick-intentional-starvation.js b/tests/node_compat/test/parallel/test-next-tick-intentional-starvation.js
new file mode 100644
index 000000000..b2c00b43a
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-next-tick-intentional-starvation.js
@@ -0,0 +1,68 @@
+// 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.
+
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+require('../common');
+const assert = require('assert');
+
+// This is the inverse of test-next-tick-starvation. it verifies
+// that process.nextTick will *always* come before other events
+
+let ran = false;
+let starved = false;
+const start = +new Date();
+let timerRan = false;
+
+function spin() {
+  ran = true;
+  const now = +new Date();
+  if (now - start > 100) {
+    console.log('The timer is starving, just as we planned.');
+    starved = true;
+
+    // now let it out.
+    return;
+  }
+
+  process.nextTick(spin);
+}
+
+function onTimeout() {
+  if (!starved) throw new Error('The timer escaped!');
+  console.log('The timer ran once the ban was lifted');
+  timerRan = true;
+}
+
+spin();
+setTimeout(onTimeout, 50);
+
+process.on('exit', function() {
+  assert.ok(ran);
+  assert.ok(starved);
+  assert.ok(timerRan);
+});