1 files changed, 42 insertions, 0 deletions
diff --git a/t/unit-tests/lib-oid.c b/t/unit-tests/lib-oid.c
new file mode 100644
index 0000000000..e0b3180f23
--- /dev/null
+++ b/t/unit-tests/lib-oid.c
@@ -0,0 +1,42 @@
+#include "unit-test.h"
+#include "lib-oid.h"
+#include "strbuf.h"
+#include "hex.h"
+
+int cl_setup_hash_algo(void)
+{
+	static int algo = -1;
+
+	if (algo < 0) {
+		const char *algo_name = getenv("GIT_TEST_DEFAULT_HASH");
+		algo = algo_name ? hash_algo_by_name(algo_name) : GIT_HASH_SHA1;
+
+		cl_assert(algo != GIT_HASH_UNKNOWN);
+	}
+	return algo;
+}
+
+static void cl_parse_oid(const char *hex, struct object_id *oid,
+				       const struct git_hash_algo *algop)
+{
+	size_t sz = strlen(hex);
+	struct strbuf buf = STRBUF_INIT;
+
+	cl_assert(sz <= algop->hexsz);
+
+	strbuf_add(&buf, hex, sz);
+	strbuf_addchars(&buf, '0', algop->hexsz - sz);
+
+	cl_assert_equal_i(get_oid_hex_algop(buf.buf, oid, algop), 0);
+
+	strbuf_release(&buf);
+}
+
+
+void cl_parse_any_oid(const char *hex, struct object_id *oid)
+{
+	int hash_algo = cl_setup_hash_algo();
+
+	cl_assert(hash_algo != GIT_HASH_UNKNOWN);
+	cl_parse_oid(hex, oid, &hash_algos[hash_algo]);
+}