From 738a31e2e7bd7c64f154cedbb2f330151be57788 Mon Sep 17 00:00:00 2001
From: Spencer T Brody <spencer@mongodb.com>
Date: Fri, 17 Jul 2020 15:28:57 -0400
Subject: SERVER-49702 Add way to explicitly fork SharedSemiFuture continuation
 chain

---
 src/mongo/util/future_test_shared_future.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/mongo/util/future_test_shared_future.cpp')

diff --git a/src/mongo/util/future_test_shared_future.cpp b/src/mongo/util/future_test_shared_future.cpp
index 1a17fd994c1..e2740860d2e 100644
--- a/src/mongo/util/future_test_shared_future.cpp
+++ b/src/mongo/util/future_test_shared_future.cpp
@@ -239,7 +239,7 @@ TEST(SharedFuture, ThenChaining_Async_DoubleShare) {
                         });
 }
 
-TEST(SharedFuture, AddChild_Get) {
+TEST(SharedFuture, AddChild_ThenRunOn_Get) {
     FUTURE_SUCCESS_TEST([] {},
                         [](/*Future<void>*/ auto&& fut) {
                             const auto exec = InlineCountingExecutor::make();
@@ -250,6 +250,16 @@ TEST(SharedFuture, AddChild_Get) {
                         });
 }
 
+TEST(SharedFuture, AddChild_Split_Get) {
+    FUTURE_SUCCESS_TEST([] { return 1; },
+                        [](/*Future<void>*/ auto&& fut) {
+                            auto shared = std::move(fut).share();
+                            auto shared2 = shared.split();
+                            ASSERT_EQ(shared.get(), 1);
+                            ASSERT_EQ(shared2.get(), 1);
+                        });
+}
+
 TEST(SharedFuture, InterruptedGet_AddChild_Get) {
     FUTURE_SUCCESS_TEST([] {},
                         [](/*Future<void>*/ auto&& fut) {
-- 
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