diff --git a/test/test_utilities b/test/test_utilities
new file mode 100755
index 0000000..246693a
Binary files /dev/null and b/test/test_utilities differ
diff --git a/test/test_utilities.cpp b/test/test_utilities.cpp
index 6f848d5..900ee2d 100644
--- a/test/test_utilities.cpp
+++ b/test/test_utilities.cpp
@@ -7,57 +7,54 @@ extern "C" {
 #include <gtest/gtest.h>
 namespace {
 
-#define TEST_FILE_NAME_LEN 6
-    const char *test_file_name = "id_rsa";
-
-#define TEST_FOLDER_NAME_LEN 6
-    const char test_folder_name[] = "/abcdefg";
-
-    const char *path_root = "/";
-    const char *path_sample1 = "/www";
-    const char *path_sample2 = "/www/folder1/";
-    const char *path_sample3 = "/www/folder1/folder2";
+    const char test_file_name[] = "id_rsa";
 
     TEST(PathAppendTest, PathLengthLessThanMaxPathLen) {
 
+        const char *path_root = "/";
+        const char *path_sample1 = "/www";
+        const char *path_sample2 = "/www/folder1/";
+        const char *path_sample3 = "/www/folder1/folder2";
+
         char *path = path_append(path_root, test_file_name);
         ASSERT_STREQ("/id_rsa", path);
-        free(path);
+        FREE(path);
 
         path = path_append(path_sample1, test_file_name);
         ASSERT_STREQ("/www/id_rsa", path);
-        free(path);
+        FREE(path);
 
         path = path_append(path_sample2, test_file_name);
         ASSERT_STREQ("/www/folder1/id_rsa", path);
-        free(path);
+        FREE(path);
 
         path = path_append(path_sample3, test_file_name);
         ASSERT_STREQ("/www/folder1/folder2/id_rsa", path);
-        free(path);
+        FREE(path);
     }
 
     TEST(PathAppendTest, PathLengthGreaterThanMaxPathLen) {
-#define PATH_LEN_4098 4098
-
-        char very_long_path[PATH_LEN_4098] = { 0 };
+        const char test_folder_name[] = "/abcdefg";
+        const int path_len_4098 = 4098;
+        const int test_folder_name_len = strlen(test_folder_name);
+        char very_long_path[path_len_4098] = { 0 };
         char *p = very_long_path;
 
         /*
-         *  MAX_PATH_LEN is a perfect multiple of the length of test_folder_name,
+         *  MAX_PATH_LEN is an integer multiple of test_folder_name_len,
          *  so it would fit perfectly in the 4096 bytes of very_long_path.
          */
-        for (int i = 0; i < PATH_LEN_4098; i += TEST_FOLDER_NAME_LEN) {
-            memcpy(p, test_folder_name, TEST_FOLDER_NAME_LEN);
-            p += TEST_FOLDER_NAME_LEN;
+        for (int i = 0; i < path_len_4098; i += test_folder_name_len) {
+            memcpy(p, test_folder_name, test_folder_name_len);
+            p += test_folder_name_len;
         }
 
         char *path = path_append(very_long_path, test_file_name);
         ASSERT_NE(nullptr, path);
-        ASSERT_EQ(path[MAX_PATH_LEN - 1], 'c');
+        ASSERT_EQ(path[MAX_PATH_LEN - 1], 'g');
         ASSERT_EQ(path[MAX_PATH_LEN + 0], '/');
         ASSERT_EQ(path[MAX_PATH_LEN + 1], 'i');
         ASSERT_EQ(path[MAX_PATH_LEN + 6], 'a');
-        free(path);
+        FREE(path);
     }
 }                               // namespace