From 11c13113bfd9f5963ce05d99a7429159def68426 Mon Sep 17 00:00:00 2001
From: Stephane Del Pino <stephane.delpino44@gmail.com>
Date: Fri, 19 Oct 2018 19:10:53 +0200
Subject: [PATCH] Add broadcast unit tests
---
tests/mpi_test_Messenger.cpp | 60 +++++++++++++++++++++++++++++++++++-
1 file changed, 59 insertions(+), 1 deletion(-)
diff --git a/tests/mpi_test_Messenger.cpp b/tests/mpi_test_Messenger.cpp
index d422cf20f..88a8122d0 100644
--- a/tests/mpi_test_Messenger.cpp
+++ b/tests/mpi_test_Messenger.cpp
@@ -93,7 +93,7 @@ TEST_CASE("Messenger", "[mpi]") {
REQUIRE(size == commSize());
}
- SECTION("allToAll") {
+ SECTION("all to all") {
// chars
mpi_check::test_allToAll<char>();
mpi_check::test_allToAll<wchar_t>();
@@ -124,4 +124,62 @@ TEST_CASE("Messenger", "[mpi]") {
// compound trivial type
mpi_check::test_allToAll<mpi_check::tri_int>();
}
+
+ SECTION("broadcast value") {
+ {
+ // simple type
+ int value{(3+commRank())*2};
+ broadcast(value, 0);
+ REQUIRE(value == 6);
+ }
+
+ {
+ // trivial simple type
+ mpi_check::integer value{(3+commRank())*2};
+ broadcast(value, 0);
+ REQUIRE((value == 6));
+ }
+
+ {
+ // compound trivial type
+ mpi_check::tri_int value{(3+commRank())*2, 2+commRank(), 4-commRank()};
+ broadcast(value, 0);
+ REQUIRE((value == mpi_check::tri_int{6,2,4}));
+ }
+ }
+
+ SECTION("broadcast array") {
+ {
+ // simple type
+ Array<int> array(3);
+ array[0] = (3+commRank())*2;
+ array[1] = 2+commRank();
+ array[2] = 4-commRank();
+ broadcast(array, 0);
+ REQUIRE(((array[0]==6) and (array[1]==2) and (array[2]==4)));
+ }
+
+ {
+ // trivial simple type
+ Array<mpi_check::integer> array(3);
+ array[0] = (3+commRank())*2;
+ array[1] = 2+commRank();
+ array[2] = 4-commRank();
+ broadcast(array, 0);
+ REQUIRE(((array[0]==6) and (array[1]==2) and (array[2]==4)));
+ }
+
+ {
+ // compound trivial type
+ Array<mpi_check::tri_int> array(3);
+ array[0] = mpi_check::tri_int{(3+commRank())*2, 2+commRank(), 4-commRank()};
+ array[1] = mpi_check::tri_int{(2+commRank())*4, 3+commRank(), 1-commRank()};
+ array[2] = mpi_check::tri_int{(5+commRank()), -3+commRank(), commRank()};
+ broadcast(array, 0);
+ REQUIRE(((array[0] == mpi_check::tri_int{6, 2,4}) and
+ (array[1] == mpi_check::tri_int{8, 3,1}) and
+ (array[2] == mpi_check::tri_int{5,-3,0})));
+ }
+ }
+
}
--
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