odb: test sha256 pack backend

tests/libgit2/odb/packed256.c

+#include "clar_libgit2.h"
+#include "odb.h"
+#include "pack_data_256.h"
+
+#ifdef GIT_EXPERIMENTAL_SHA256
+static git_odb *_odb;
+#endif
+
+void test_odb_packed256__initialize(void)
+{
+#ifdef GIT_EXPERIMENTAL_SHA256
+	git_odb_options opts = GIT_ODB_OPTIONS_INIT;
+
+	opts.oid_type = GIT_OID_SHA256;
+
+	cl_git_pass(git_odb__open(
+		&_odb,
+		cl_fixture("testrepo_256.git/objects"),
+		&opts));
+#endif
+}
+
+void test_odb_packed256__cleanup(void)
+{
+#ifdef GIT_EXPERIMENTAL_SHA256
+	git_odb_free(_odb);
+	_odb = NULL;
+#endif
+}
+
+void test_odb_packed256__mass_read(void)
+{
+#ifdef GIT_EXPERIMENTAL_SHA256
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(packed_objects_256); ++i) {
+		git_oid id;
+		git_odb_object *obj;
+
+		cl_git_pass(git_oid__fromstr(&id, packed_objects_256[i], GIT_OID_SHA256));
+		cl_assert(git_odb_exists(_odb, &id) == 1);
+		cl_git_pass(git_odb_read(&obj, _odb, &id));
+
+		git_odb_object_free(obj);
+	}
+#endif
+}
+
+void test_odb_packed256__read_header_0(void)
+{
+#ifdef GIT_EXPERIMENTAL_SHA256
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(packed_objects_256); ++i) {
+		git_oid id;
+		git_odb_object *obj;
+		size_t len;
+		git_object_t type;
+
+		cl_git_pass(git_oid__fromstr(&id, packed_objects_256[i], GIT_OID_SHA256));
+
+		cl_git_pass(git_odb_read(&obj, _odb, &id));
+		cl_git_pass(git_odb_read_header(&len, &type, _odb, &id));
+
+		cl_assert(obj->cached.size == len);
+		cl_assert(obj->cached.type == type);
+
+		git_odb_object_free(obj);
+	}
+#endif
+}
+
+void test_odb_packed256__read_header_1(void)
+{
+#ifdef GIT_EXPERIMENTAL_SHA256
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(loose_objects_256); ++i) {
+		git_oid id;
+		git_odb_object *obj;
+		size_t len;
+		git_object_t type;
+
+		cl_git_pass(git_oid__fromstr(&id, loose_objects_256[i], GIT_OID_SHA256));
+
+		cl_assert(git_odb_exists(_odb, &id) == 1);
+
+		cl_git_pass(git_odb_read(&obj, _odb, &id));
+		cl_git_pass(git_odb_read_header(&len, &type, _odb, &id));
+
+		cl_assert(obj->cached.size == len);
+		cl_assert(obj->cached.type == type);
+
+		git_odb_object_free(obj);
+	}
+#endif
+}
+