Reorganization directory structure [4/n]

Change-Id: Ib868ed62d12ea8f9f123644219ba299e86a658ac

shared/test/unit_test/os_interface/linux/CMakeLists.txt

@@ -0,0 +1,11 @@
+#
+# Copyright (C) 2020 Intel Corporation
+#
+# SPDX-License-Identifier: MIT
+#
+
+set(NEO_CORE_OS_INTERFACE_TESTS_LINUX
+  ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt
+  ${CMAKE_CURRENT_SOURCE_DIR}/gmm_helper_tests_linux.cpp
+)
+set_property(GLOBAL PROPERTY NEO_CORE_OS_INTERFACE_TESTS_LINUX ${NEO_CORE_OS_INTERFACE_TESTS_LINUX})

shared/test/unit_test/os_interface/linux/gmm_helper_tests_linux.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/source/gmm_helper/gmm_helper.h"
+#include "helpers/default_hw_info.h"
+#include "opencl/test/unit_test/helpers/variable_backup.h"
+
+#include "gtest/gtest.h"
+
+namespace NEO {
+
+extern GMM_INIT_IN_ARGS passedInputArgs;
+extern bool copyInputArgs;
+
+TEST(GmmHelperTest, whenCreateGmmHelperWithoutOsInterfaceThenPassedFileDescriptorIsZeroed) {
+    std::unique_ptr<GmmHelper> gmmHelper;
+    VariableBackup<decltype(passedInputArgs)> passedInputArgsBackup(&passedInputArgs);
+    VariableBackup<decltype(copyInputArgs)> copyInputArgsBackup(&copyInputArgs, true);
+
+    uint32_t expectedFileDescriptor = 0u;
+
+    gmmHelper.reset(new GmmHelper(nullptr, platformDevices[0]));
+    EXPECT_EQ(expectedFileDescriptor, passedInputArgs.FileDescriptor);
+}
+
+} // namespace NEO