1 files changed, 123 insertions, 0 deletions
diff --git a/lib/isc/tests/errno_test.c b/lib/isc/tests/errno_test.c
new file mode 100644
index 0000000..56da651
--- /dev/null
+++ b/lib/isc/tests/errno_test.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#if HAVE_CMOCKA
+
+#include <errno.h>
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/errno.h>
+#include <isc/result.h>
+#include <isc/util.h>
+
+typedef struct {
+	int err;
+	isc_result_t result;
+} testpair_t;
+
+testpair_t testpair[] = { { EPERM, ISC_R_NOPERM },
+			  { ENOENT, ISC_R_FILENOTFOUND },
+			  { EIO, ISC_R_IOERROR },
+			  { EBADF, ISC_R_INVALIDFILE },
+			  { ENOMEM, ISC_R_NOMEMORY },
+			  { EACCES, ISC_R_NOPERM },
+			  { EEXIST, ISC_R_FILEEXISTS },
+			  { ENOTDIR, ISC_R_INVALIDFILE },
+			  { EINVAL, ISC_R_INVALIDFILE },
+			  { ENFILE, ISC_R_TOOMANYOPENFILES },
+			  { EMFILE, ISC_R_TOOMANYOPENFILES },
+			  { EPIPE, ISC_R_CONNECTIONRESET },
+			  { ENAMETOOLONG, ISC_R_INVALIDFILE },
+			  { ELOOP, ISC_R_INVALIDFILE },
+#ifdef EOVERFLOW
+			  { EOVERFLOW, ISC_R_RANGE },
+#endif /* ifdef EOVERFLOW */
+#ifdef EAFNOSUPPORT
+			  { EAFNOSUPPORT, ISC_R_FAMILYNOSUPPORT },
+#endif /* ifdef EAFNOSUPPORT */
+#ifdef EADDRINUSE
+			  { EADDRINUSE, ISC_R_ADDRINUSE },
+#endif /* ifdef EADDRINUSE */
+			  { EADDRNOTAVAIL, ISC_R_ADDRNOTAVAIL },
+#ifdef ENETDOWN
+			  { ENETDOWN, ISC_R_NETDOWN },
+#endif /* ifdef ENETDOWN */
+#ifdef ENETUNREACH
+			  { ENETUNREACH, ISC_R_NETUNREACH },
+#endif /* ifdef ENETUNREACH */
+#ifdef ECONNABORTED
+			  { ECONNABORTED, ISC_R_CONNECTIONRESET },
+#endif /* ifdef ECONNABORTED */
+#ifdef ECONNRESET
+			  { ECONNRESET, ISC_R_CONNECTIONRESET },
+#endif /* ifdef ECONNRESET */
+#ifdef ENOBUFS
+			  { ENOBUFS, ISC_R_NORESOURCES },
+#endif /* ifdef ENOBUFS */
+#ifdef ENOTCONN
+			  { ENOTCONN, ISC_R_NOTCONNECTED },
+#endif /* ifdef ENOTCONN */
+#ifdef ETIMEDOUT
+			  { ETIMEDOUT, ISC_R_TIMEDOUT },
+#endif /* ifdef ETIMEDOUT */
+			  { ECONNREFUSED, ISC_R_CONNREFUSED },
+#ifdef EHOSTDOWN
+			  { EHOSTDOWN, ISC_R_HOSTDOWN },
+#endif /* ifdef EHOSTDOWN */
+#ifdef EHOSTUNREACH
+			  { EHOSTUNREACH, ISC_R_HOSTUNREACH },
+#endif /* ifdef EHOSTUNREACH */
+			  { 0, ISC_R_UNEXPECTED } };
+
+/* convert errno to ISC result */
+static void
+isc_errno_toresult_test(void **state) {
+	isc_result_t result, expect;
+	size_t i;
+
+	UNUSED(state);
+
+	for (i = 0; i < sizeof(testpair) / sizeof(testpair[0]); i++) {
+		result = isc_errno_toresult(testpair[i].err);
+		expect = testpair[i].result;
+		assert_int_equal(result, expect);
+	}
+}
+
+int
+main(void) {
+	const struct CMUnitTest tests[] = {
+		cmocka_unit_test(isc_errno_toresult_test),
+	};
+
+	return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("1..0 # Skipped: cmocka not available\n");
+	return (SKIPPED_TEST_EXIT_CODE);
+}
+
+#endif /* if HAVE_CMOCKA */