Added halo_2d exchange test

Author: kc432959

test/gtest/mp/CMakeLists.txt

@@ -37,6 +37,7 @@ add_executable(
   copy.cpp
   distributed_vector.cpp
   halo.cpp
+  halo-2d.cpp
   mdstar.cpp
   mpsort.cpp
   reduce.cpp
@@ -60,7 +61,7 @@ add_executable(
 # is OK to commit changes to the source file list.
 add_executable(mp-quick-test
   mp-tests.cpp
-  halo-3.cpp
+  halo-2d.cpp
 )
 add_executable(mp-quick-test-3-only
   mp-tests.cpp

test/gtest/mp/halo-2d.cpp

@@ -0,0 +1,13 @@
+// SPDX-FileCopyrightText: Intel Corporation
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include "xp-tests.hpp"
+
+TEST(Halo2D, exchange_2d_test) {
+  dr::mp::distributed_mdarray<int, 2> dv({10, 10}, dr::mp::distribution().halo(1));
+
+  DRLOG("exchange start");
+  dv.halo().exchange();
+  DRLOG("exchange end");
+}