--- /dev/null
+/*
+ * test-xfer-file.cpp - test xfer file functions
+ *
+ * Copyright (C) 2022 Sébastien Helleu <flashcode@flashtux.org>
+ *
+ * This file is part of WeeChat, the extensible chat client.
+ *
+ * WeeChat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * WeeChat is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with WeeChat. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "CppUTest/TestHarness.h"
+
+extern "C"
+{
+#include "src/plugins/xfer/xfer-file.h"
+}
+
+TEST_GROUP(XferFile)
+{
+};
+
+/*
+ * Tests functions:
+ * xfer_file_search_crc32
+ */
+
+TEST(XferFile, SearchCrc32)
+{
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 (NULL));
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 (""));
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 ("a"));
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 ("z"));
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 ("123456781234abcd"));
+ POINTERS_EQUAL(NULL, xfer_file_search_crc32 ("test_filename"));
+
+ /* valid CRC32 */
+ STRCMP_EQUAL("1234abcd", xfer_file_search_crc32 ("test_1234abcd"));
+ STRCMP_EQUAL("1234aBCd", xfer_file_search_crc32 ("test_1234aBCd"));
+ STRCMP_EQUAL("1234abcd_test", xfer_file_search_crc32 ("1234abcd_test"));
+ STRCMP_EQUAL("1234Abcd_test", xfer_file_search_crc32 ("1234Abcd_test"));
+ STRCMP_EQUAL("12345678", xfer_file_search_crc32 ("1234abcd_12345678"));
+}
+
+/*
+ * Tests functions:
+ * xfer_file_resume
+ */
+
+TEST(XferFile, Resume)
+{
+ /* TODO: write tests */
+}
+
+/*
+ * Tests functions:
+ * xfer_file_check_suffix
+ */
+
+TEST(XferFile, CheckSuffix)
+{
+ /* TODO: write tests */
+}
+
+/*
+ * Tests functions:
+ * xfer_file_find_suffix
+ */
+
+TEST(XferFile, FindSuffix)
+{
+ /* TODO: write tests */
+}
+
+/*
+ * Tests functions:
+ * xfer_file_find_filename
+ */
+
+TEST(XferFile, FindFilename)
+{
+ /* TODO: write tests */
+}
+
+/*
+ * Tests functions:
+ * xfer_file_calculate_speed
+ */
+
+TEST(XferFile, CalculateSpeed)
+{
+ /* TODO: write tests */
+}