1 files changed, 88 insertions, 0 deletions
diff --git a/tests/node_compat/test/parallel/test-process-beforeexit.js b/tests/node_compat/test/parallel/test-process-beforeexit.js
new file mode 100644
index 000000000..7ac789c69
--- /dev/null
+++ b/tests/node_compat/test/parallel/test-process-beforeexit.js
@@ -0,0 +1,88 @@
+// 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';
+const common = require('../common');
+const net = require('net');
+
+process.once('beforeExit', common.mustCall(tryImmediate));
+
+function tryImmediate() {
+  setImmediate(common.mustCall(() => {
+    process.once('beforeExit', common.mustCall(tryTimer));
+  }));
+}
+
+function tryTimer() {
+  setTimeout(common.mustCall(() => {
+    process.once('beforeExit', common.mustCall(tryListen));
+  }), 1);
+}
+
+function tryListen() {
+  net.createServer()
+    .listen(0)
+    .on('listening', common.mustCall(function() {
+      this.close();
+      process.once('beforeExit', common.mustCall(tryRepeatedTimer));
+    }));
+}
+
+// Test that a function invoked from the beforeExit handler can use a timer
+// to keep the event loop open, which can use another timer to keep the event
+// loop open, etc.
+//
+// After N times, call function `tryNextTick` to test behaviors of the
+// `process.nextTick`.
+function tryRepeatedTimer() {
+  const N = 5;
+  let n = 0;
+  const repeatedTimer = common.mustCall(function() {
+    if (++n < N)
+      setTimeout(repeatedTimer, 1);
+    else // n == N
+      process.once('beforeExit', common.mustCall(tryNextTickSetImmediate));
+  }, N);
+  setTimeout(repeatedTimer, 1);
+}
+
+// Test if the callback of `process.nextTick` can be invoked.
+function tryNextTickSetImmediate() {
+  process.nextTick(common.mustCall(function() {
+    setImmediate(common.mustCall(() => {
+      process.once('beforeExit', common.mustCall(tryNextTick));
+    }));
+  }));
+}
+
+// Test that `process.nextTick` won't keep the event loop running by itself.
+function tryNextTick() {
+  process.nextTick(common.mustCall(function() {
+    process.once('beforeExit', common.mustNotCall());
+  }));
+}