Add test for not implemented devdax provider

test/CMakeLists.txt

@@ -343,6 +343,10 @@ else()
         NAME provider_file_memory_not_impl
         SRCS provider_file_memory_not_impl.cpp
         LIBS ${UMF_UTILS_FOR_TEST})
+    add_umf_test(
+        NAME provider_devdax_memory_not_impl
+        SRCS provider_devdax_memory_not_impl.cpp
+        LIBS ${UMF_UTILS_FOR_TEST})
 endif()
 
 if(UMF_BUILD_GPU_TESTS AND UMF_BUILD_LEVEL_ZERO_PROVIDER)

test/provider_devdax_memory_not_impl.cpp

@@ -0,0 +1,30 @@
+// Copyright (C) 2024 Intel Corporation
+// Under the Apache License v2.0 with LLVM Exceptions. See LICENSE.TXT.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include "base.hpp"
+
+#include <umf/providers/provider_devdax_memory.h>
+
+using umf_test::test;
+
+TEST_F(test, devdax_provider_not_implemented) {
+    umf_devdax_memory_provider_params_handle_t params = nullptr;
+    umf_result_t umf_result =
+        umfDevDaxMemoryProviderParamsCreate(&params, "path", 4096);
+    EXPECT_EQ(umf_result, UMF_RESULT_ERROR_NOT_SUPPORTED);
+    EXPECT_EQ(params, nullptr);
+
+    umf_result = umfDevDaxMemoryProviderParamsDestroy(nullptr);
+    EXPECT_EQ(umf_result, UMF_RESULT_ERROR_NOT_SUPPORTED);
+
+    umf_result =
+        umfDevDaxMemoryProviderParamsSetDeviceDax(nullptr, "path", 4096);
+    EXPECT_EQ(umf_result, UMF_RESULT_ERROR_NOT_SUPPORTED);
+
+    umf_result = umfDevDaxMemoryProviderParamsSetProtection(nullptr, 0);
+    EXPECT_EQ(umf_result, UMF_RESULT_ERROR_NOT_SUPPORTED);
+
+    umf_memory_provider_ops_t *ops = umfDevDaxMemoryProviderOps();
+    EXPECT_EQ(ops, nullptr);
+}