TaskTraits and tuple.

base/task_scheduler/task_traits_unittest.cc

Index: base/task_scheduler/task_traits_unittest.cc
diff --git a/base/task_scheduler/task_traits_unittest.cc b/base/task_scheduler/task_traits_unittest.cc
index ed9065f7144ac0d20f6906879f991213f7d2b3be..ffd0c741eb7cd866e784031e8415f4fc99b82d95 100644
--- a/base/task_scheduler/task_traits_unittest.cc
+++ b/base/task_scheduler/task_traits_unittest.cc
@@ -4,10 +4,18 @@
 
 #include "base/task_scheduler/task_traits.h"
 
+#include <tuple>
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
+TEST(TaskSchedulerTaskTraitsTest, Tuple) {
+  std::tuple<TaskTraits> tuple;
+  std::tuple<TaskTraits> other_tuple = tuple;
+  EXPECT_FALSE(std::get<0>(other_tuple).priority_set_explicitly());
+}
+
 TEST(TaskSchedulerTaskTraitsTest, Default) {
   constexpr TaskTraits traits = {};
   EXPECT_FALSE(traits.priority_set_explicitly());