suport MakeFuture<void>() and NewPromise<void>() calls

commit_hash:b9c2c02a676598c074017c07a95838e719690d32

1 files changed, 6 insertions, 0 deletions

diff --git a/library/cpp/threading/future/future_ut.cpp b/library/cpp/threading/future/future_ut.cpp
index ceb07cae934..857a29bec6b 100644
--- a/library/cpp/threading/future/future_ut.cpp
+++ b/library/cpp/threading/future/future_ut.cpp
@@ -86,6 +86,9 @@ namespace {
             promise = NewPromise();
             UNIT_ASSERT(!promise.HasValue());
 
+            promise = NewPromise<void>();
+            UNIT_ASSERT(!promise.HasValue());
+
             TFuture<void> future;
             UNIT_ASSERT(!future.HasValue());
 
@@ -120,6 +123,9 @@ namespace {
 
             future = MakeFuture();
             UNIT_ASSERT(future.HasValue());
+
+            future = MakeFuture<void>();
+            UNIT_ASSERT(future.HasValue());
         }
 
         struct TTestCallback {