41         auto h = tg.defer([&]{  in __anon0c2008c70102()  variable
51     oneapi::tbb::task_handle h;  variable
58     h = tg.defer([&]{  in __anon0c2008c70202()
62     tg.run(std::move(h));
66     CHECK_MESSAGE(h == nullptr, "Delayed task can be executed only once");
72     oneapi::tbb::task_handle h;  variable
79     h = tg.defer([&]{  in __anon0c2008c70302()
83     tg.run_and_wait(std::move(h));
86     CHECK_MESSAGE(h == nullptr, "Delayed task can be executed only once");
94     oneapi::tbb::task_handle h;  variable
96     bool empty = (h == nullptr);
99     h = tg.defer([]{});  in __anon0c2008c70402()
101     CHECK_MESSAGE(h != nullptr, "delayed task returned by task_group::delayed should not be empty");
109     oneapi::tbb::task_handle h;  variable
111     bool empty =  ! static_cast<bool>(h);
113     CHECK_MESSAGE(h == nullptr, "default constructed task_handle should be empty");
114     CHECK_MESSAGE(nullptr == h, "default constructed task_handle should be empty");
116     h = tg.defer([]{});  in __anon0c2008c70502()
118 …  CHECK_MESSAGE(h != nullptr, "deferred task returned by task_group::defer() should not be empty");
119 …  CHECK_MESSAGE(nullptr != h, "deferred task returned by task_group::defer() should not be empty");
148     oneapi::tbb::task_handle h = tg.defer([&]{  in __anon0c2008c70602()  variable
167         tg.run(std::move(h));  in __anon0c2008c70902()
180     oneapi::tbb::task_handle h = tg.defer([&]{  in __anon0c2008c70a02()  variable
187     tg.run(std::move(h));