From 4709da0372a6bc178afd50f5da16cc9a754977bb Mon Sep 17 00:00:00 2001
From: Jochen Eisinger <jochen@chromium.org>
Date: Thu, 29 Apr 2021 19:53:36 +0200
Subject: [PATCH] test: ensure microtask queues are not automatically drained

V8 had a bug that in certain cases the default microtask queue was
drained, and this test relies on the behavior.

Backport-PR-URL: https://github.com/nodejs/node/pull/39470
PR-URL: https://github.com/nodejs/node/pull/38990
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
---
 test/cctest/test_environment.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/cctest/test_environment.cc b/test/cctest/test_environment.cc
index cdd4d470fd67d5..f98b22db42ce1a 100644
--- a/test/cctest/test_environment.cc
+++ b/test/cctest/test_environment.cc
@@ -647,7 +647,8 @@ TEST_F(EnvironmentTest, NestedMicrotaskQueue) {
   const v8::HandleScope handle_scope(isolate_);
   const Argv argv;
 
-  std::unique_ptr<v8::MicrotaskQueue> queue = v8::MicrotaskQueue::New(isolate_);
+  std::unique_ptr<v8::MicrotaskQueue> queue = v8::MicrotaskQueue::New(
+      isolate_, v8::MicrotasksPolicy::kExplicit);
   v8::Local<v8::Context> context = v8::Context::New(
       isolate_, nullptr, {}, {}, {}, queue.get());
   node::InitializeContext(context);