diff -r d31f4d4075dc -r 0e1cf2cd500e tests/test_hash_key.cpp
--- a/tests/test_hash_key.cpp	Wed Dec 20 17:57:18 2023 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,85 +0,0 @@
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   1. Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *
- *   2. Redistributions in binary form must reproduce the above copyright
- *      notice, this list of conditions and the following disclaimer in the
- *      documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "cx/hash_key.h"
-#include "cx/string.h"
-
-#include <gtest/gtest.h>
-
-TEST(cx_hash_key, functions) {
-    auto str = "my key";
-    auto len = strlen(str);
-
-    auto str_key = cx_hash_key_str(str);
-    auto bytes_key = cx_hash_key_bytes(
-            reinterpret_cast<unsigned char const *>(str), len);
-    auto obj_key = cx_hash_key(
-            reinterpret_cast<void const *>(str), len);
-    auto cxstr_key = cx_hash_key_cxstr(cx_str(str));
-
-    EXPECT_EQ(str_key.hash, bytes_key.hash);
-    EXPECT_EQ(obj_key.hash, bytes_key.hash);
-    EXPECT_EQ(cxstr_key.hash, bytes_key.hash);
-    EXPECT_EQ(str_key.len, len);
-    EXPECT_EQ(cxstr_key.len, len);
-    EXPECT_EQ(bytes_key.len, len);
-    EXPECT_EQ(bytes_key.len, len);
-    EXPECT_EQ(str_key.data, str);
-}
-
-TEST(cx_hash_key, empty_string) {
-    auto str = "";
-
-    auto str_key = cx_hash_key_str(str);
-    auto bytes_key = cx_hash_key_bytes(
-            reinterpret_cast<unsigned char const *>(str), 0);
-    auto obj_key = cx_hash_key(
-            reinterpret_cast<void const *>(str), 0);
-
-    EXPECT_EQ(bytes_key.hash, 4152238450u);
-    EXPECT_EQ(str_key.hash, 4152238450u);
-    EXPECT_EQ(obj_key.hash, 4152238450u);
-    EXPECT_EQ(str_key.len, 0);
-    EXPECT_EQ(bytes_key.len, 0);
-    EXPECT_EQ(bytes_key.len, 0);
-    EXPECT_EQ(str_key.data, str);
-}
-
-TEST(cx_hash_key, null_ptr) {
-    auto str_key = cx_hash_key_str(nullptr);
-    auto bytes_key = cx_hash_key_bytes(nullptr, 0);
-    auto obj_key = cx_hash_key(nullptr, 0);
-
-    EXPECT_EQ(bytes_key.hash, 1574210520u);
-    EXPECT_EQ(str_key.hash, 1574210520u);
-    EXPECT_EQ(obj_key.hash, 1574210520u);
-    EXPECT_EQ(str_key.len, 0);
-    EXPECT_EQ(bytes_key.len, 0);
-    EXPECT_EQ(bytes_key.len, 0);
-    EXPECT_EQ(str_key.data, nullptr);
-}