1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/libcbor/test/unicode_test.c b/contrib/libcbor/test/unicode_test.c
new file mode 100644
index 000000000000..4b3613e77f78
--- /dev/null
+++ b/contrib/libcbor/test/unicode_test.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014-2020 Pavel Kalvoda <me@pavelkalvoda.com>
+ *
+ * libcbor is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include "assertions.h"
+
+#include "../src/cbor/internal/unicode.h"
+struct _cbor_unicode_status status;
+
+unsigned char missing_bytes_data[] = {0xC4, 0x8C};
+
+/* Capital accented C */
+static void test_missing_bytes(void **_CBOR_UNUSED(_state)) {
+  assert_true(_cbor_unicode_codepoint_count(missing_bytes_data, 1, &status) ==
+              0);
+  assert_true(status.status == _CBOR_UNICODE_BADCP);
+  assert_true(status.location == 1);
+
+  assert_true(_cbor_unicode_codepoint_count(missing_bytes_data, 2, &status) ==
+              1);
+  assert_true(status.status == _CBOR_UNICODE_OK);
+  assert_true(status.location == 0);
+}
+
+unsigned char invalid_sequence_data[] = {0x65, 0xC4, 0x00};
+
+/* e, invalid seq */
+static void test_invalid_sequence(void **_CBOR_UNUSED(_state)) {
+  assert_true(
+      _cbor_unicode_codepoint_count(invalid_sequence_data, 3, &status) == 0);
+  assert_true(status.status == _CBOR_UNICODE_BADCP);
+  assert_true(status.location == 2);
+}
+
+int main(void) {
+  const struct CMUnitTest tests[] = {cmocka_unit_test(test_missing_bytes),
+                                     cmocka_unit_test(test_invalid_sequence)};
+  return cmocka_run_group_tests(tests, NULL, NULL);
+}