Add unit tests for work div

test/unit/CMakeLists.txt

@@ -38,3 +38,4 @@ add_subdirectory("rand/")
 add_subdirectory("time/")
 add_subdirectory("vec/")
 add_subdirectory("warp/")
+add_subdirectory("workDiv/")

test/unit/workDiv/CMakeLists.txt

@@ -0,0 +1,24 @@
+#
+# Copyright 2014-2020 Benjamin Worpitz, Axel Huebl, Jan Stephan
+#
+# This file is part of alpaka.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+set(_TARGET_NAME "workDiv")
+
+append_recursive_files_add_to_src_group("src/" "src/" "cpp" _FILES_SOURCE)
+
+alpaka_add_executable(
+    ${_TARGET_NAME}
+    ${_FILES_SOURCE})
+target_link_libraries(
+    ${_TARGET_NAME}
+    PRIVATE common)
+
+set_target_properties(${_TARGET_NAME} PROPERTIES FOLDER "test/unit")
+
+add_test(NAME ${_TARGET_NAME} COMMAND ${_TARGET_NAME} ${_ALPAKA_TEST_OPTIONS})

test/unit/workDiv/src/WorkDivHelpersTest.cpp

@@ -0,0 +1,68 @@
+/* Copyright 2020 Sergei Bastrakov
+ *
+ * This file is part of alpaka.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <alpaka/acc/AccDevProps.hpp>
+#include <alpaka/core/Unused.hpp>
+#include <alpaka/workdiv/WorkDivHelpers.hpp>
+
+#include <alpaka/test/acc/TestAccs.hpp>
+#include <alpaka/test/KernelExecutionFixture.hpp>
+
+#include <catch2/catch.hpp>
+
+ //-----------------------------------------------------------------------------
+namespace
+{
+    template< typename TAcc >
+    auto getWorkDiv()
+    {
+        using Dev = alpaka::dev::Dev<TAcc>;
+        using Pltf = alpaka::pltf::Pltf<Dev>;
+        using Dim = alpaka::dim::Dim<TAcc>;
+        using Idx = alpaka::idx::Idx<TAcc>;
+
+        Dev const dev(alpaka::pltf::getDevByIdx<Pltf>(0u));
+        auto const gridThreadExtent = alpaka::vec::Vec<Dim, Idx>::all(10);
+        auto const threadElementExtent = alpaka::vec::Vec<Dim, Idx>::ones();
+        auto workDiv = alpaka::workdiv::getValidWorkDiv<TAcc>(
+            dev,
+            gridThreadExtent,
+            threadElementExtent,
+            false,
+            alpaka::workdiv::GridBlockExtentSubDivRestrictions::Unrestricted);
+        return workDiv;
+    }
+}
+
+//-----------------------------------------------------------------------------
+TEMPLATE_LIST_TEST_CASE( "getValidWorkDiv", "[workDiv]", alpaka::test::acc::TestAccs)
+{
+    using Acc = TestType;
+    // Note: getValidWorkDiv() is called inside getWorkDiv
+    auto workDiv = getWorkDiv< Acc >();
+    alpaka::ignore_unused( workDiv );
+}
+
+//-----------------------------------------------------------------------------
+TEMPLATE_LIST_TEST_CASE( "isValidWorkDiv", "[workDiv]", alpaka::test::acc::TestAccs)
+{
+    using Acc = TestType;
+    using Dev = alpaka::dev::Dev<Acc>;
+    using Pltf = alpaka::pltf::Pltf<Dev>;
+
+    Dev dev(alpaka::pltf::getDevByIdx<Pltf>(0u));
+    auto workDiv = getWorkDiv< Acc >();
+    // Test both overloads
+    REQUIRE( alpaka::workdiv::isValidWorkDiv(
+        alpaka::acc::getAccDevProps< Acc >( dev ),
+        workDiv));
+    REQUIRE( alpaka::workdiv::isValidWorkDiv<Acc>(
+        dev,
+        workDiv));
+}