From c73e73c8743cc664460a8ae173f034481d94323f Mon Sep 17 00:00:00 2001
From: Bartosz Sosnowski <bartosz@janeasystems.com>
Date: Wed, 6 Dec 2017 23:47:38 +0100
Subject: [PATCH] test: add threadpool init/teardown test

Verify that quick setup and teardown of the threadpool doesn't cause
crashes or hangs.

PR-URL: https://github.com/libuv/libuv/pull/1639
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
---
 test/test-list.h       |  2 ++
 test/test-loop-close.c | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/test/test-list.h b/test/test-list.h
index 08a59991..bc75858f 100644
--- a/test/test-list.h
+++ b/test/test-list.h
@@ -28,6 +28,7 @@ TEST_DECLARE   (run_once)
 TEST_DECLARE   (run_nowait)
 TEST_DECLARE   (loop_alive)
 TEST_DECLARE   (loop_close)
+TEST_DECLARE   (loop_instant_close)
 TEST_DECLARE   (loop_stop)
 TEST_DECLARE   (loop_update_time)
 TEST_DECLARE   (loop_backend_timeout)
@@ -427,6 +428,7 @@ TASK_LIST_START
   TEST_ENTRY  (run_nowait)
   TEST_ENTRY  (loop_alive)
   TEST_ENTRY  (loop_close)
+  TEST_ENTRY  (loop_instant_close)
   TEST_ENTRY  (loop_stop)
   TEST_ENTRY  (loop_update_time)
   TEST_ENTRY  (loop_backend_timeout)
diff --git a/test/test-loop-close.c b/test/test-loop-close.c
index 971c9d72..f0f3e627 100644
--- a/test/test-loop-close.c
+++ b/test/test-loop-close.c
@@ -55,3 +55,21 @@ TEST_IMPL(loop_close) {
 
   return 0;
 }
+
+static void loop_instant_close_work_cb(uv_work_t* req) {
+}
+
+static void loop_instant_close_after_work_cb(uv_work_t* req, int status) {
+}
+
+TEST_IMPL(loop_instant_close) {
+  static uv_loop_t loop;
+  static uv_work_t req;
+  ASSERT(0 == uv_loop_init(&loop));
+  ASSERT(0 == uv_queue_work(&loop,
+                            &req,
+                            loop_instant_close_work_cb,
+                            loop_instant_close_after_work_cb));
+  MAKE_VALGRIND_HAPPY();
+  return 0;
+}