diff --git a/tests/lib/hash.c b/tests/lib/hash.c
new file mode 100644
index 000000000..23893de13
--- /dev/null
+++ b/tests/lib/hash.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2024 Baptiste Daroussin <bapt@FreeBSD.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <atf-c.h>
+#include <pkghash.h>
+#include <xmalloc.h>
+
+ATF_TC_WITHOUT_HEAD(hash);
+
+ATF_TC_BODY(hash, tc)
+{
+	struct pkghash *h = pkghash_new();
+	ATF_REQUIRE_EQ(pkghash_count(h), 0);
+	ATF_REQUIRE(pkghash_add(h, "key", "value", NULL));
+	ATF_REQUIRE_EQ(pkghash_count(h), 1);
+	ATF_REQUIRE(!pkghash_del(h, "plop"));
+	ATF_REQUIRE_EQ(pkghash_count(h), 1);
+	ATF_REQUIRE(pkghash_del(h, "key"));
+	ATF_REQUIRE_EQ(pkghash_count(h), 0);
+	char *val = xstrdup("value");
+	ATF_REQUIRE(pkghash_add(h, "key", val, free));
+	ATF_REQUIRE_EQ(pkghash_count(h), 1);
+	ATF_REQUIRE_STREQ((char *)pkghash_delete(h, "key"), "value");
+	ATF_REQUIRE_STREQ(val, "value");
+	ATF_REQUIRE_EQ(pkghash_count(h), 0);
+	ATF_REQUIRE(pkghash_add(h, "key", val, free));
+	ATF_REQUIRE_EQ(pkghash_count(h), 1);
+	ATF_REQUIRE(pkghash_del(h, "key"));
+	ATF_REQUIRE_EQ(pkghash_count(h), 0);
+	val = xstrdup("value");
+	ATF_REQUIRE(pkghash_add(h, "key", val, free));
+	ATF_REQUIRE_EQ(pkghash_delete(h, "bla"), NULL);
+	pkghash_destroy(h);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, hash);
+
+	return (atf_no_error());
+}