Reorganization directory structure [4/n]

Change-Id: Ib868ed62d12ea8f9f123644219ba299e86a658ac

shared/test/unit_test/utilities/directory_tests.cpp

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017-2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/source/utilities/directory.h"
+#include "test.h"
+
+#include "gtest/gtest.h"
+
+#include <cstdio>
+#include <fstream>
+
+using namespace NEO;
+using namespace std;
+
+TEST(Directory, GetFiles) {
+    ofstream tempfile("temp_file_that_does_not_exist.tmp");
+    tempfile << " ";
+    tempfile.flush();
+    tempfile.close();
+
+    string path = ".";
+    vector<string> files = Directory::getFiles(path);
+
+    EXPECT_LT(0u, files.size());
+    remove("temp_file_that_does_not_exist.tmp");
+}