--- /dev/null
+#ifndef __TEST_FILE_HELPER_H_
+#define __TEST_FILE_HELPER_H_
+
+#define MAXFILESIZE 8589934592L
+
+char* setup_tempdir();
+int cleanup_tempdir();
+int test_file_create(char* path, int thread_id, int num_threads, long long length);
+int test_file_read_setup(char* path, int num_threads, long long length, long long max_file_size);
+int test_file_read(char* path, int thread_id, int num_threads, long long length, long long max_file_size);
+int test_file_read_cleanup(char* path, int num_threads, long long length);
+int test_file_write_setup(char* path, int num_threads, long long length);
+int test_file_write(char* path, int thread_id, int num_threads, long long length, long long max_file_size);
+int test_file_write_cleanup(char* path, int num_threads, long long length);
+
+#endif