Add tests to libmisc

1 files changed, 30 insertions, 0 deletions

diff --git a/libmisc/tests/test_hash.c b/libmisc/tests/test_hash.c
new file mode 100644
index 0000000..c1af385
--- /dev/null
+++ b/libmisc/tests/test_hash.c
@@ -0,0 +1,30 @@
+/* libmisc/tests/test_hash.c - Tests for <libmisc/hash.h>
+ *
+ * Copyright (C) 2024  Luke T. Shumaker <lukeshu@lukeshu.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+#include <libmisc/hash.h>
+
+#include "test.h"
+
+int main() {
+	test_assert(hash("hello", sizeof("hello")) == hash("hello", sizeof("hello")));
+	test_assert(hash("hello", sizeof("hello")) != hash("Hello", sizeof("Hello")));
+	int one = 1;
+	int two = 2;
+	test_assert(hash(&one, sizeof(int)) != hash("hello", sizeof("hello")));
+	test_assert(hash(&one, sizeof(int)) == hash(&one, sizeof(int)));
+	test_assert(hash(&one, sizeof(int)) != hash(&two, sizeof(int)));
+
+	hash_t myhash;
+	hash_init(&myhash);
+	hash_write(&myhash, "hello", 5);
+	test_assert(myhash == hash("hello", 5));
+	hash_t myhash_a = myhash;
+	hash_write(&myhash, "world", 5);
+	test_assert(myhash != myhash_a);
+	test_assert(myhash == hash("helloworld", 10));
+
+	return 0;
+}