1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index db31f4988a..0393edb1a7 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -88,8 +88,19 @@ BOOST_AUTO_TEST_CASE(util_HexStr)
     BOOST_CHECK_EQUAL(
         HexStr(ParseHex_expected, ParseHex_expected + 5, true),
         "04 67 8a fd b0");
+
+    BOOST_CHECK_EQUAL(
+        HexStr(ParseHex_expected, ParseHex_expected, true),
+        "");
+
+    std::vector<unsigned char> ParseHex_vec(ParseHex_expected, ParseHex_expected + 5);
+
+    BOOST_CHECK_EQUAL(
+        HexStr(ParseHex_vec, true),
+        "04 67 8a fd b0");
 }
 
+
 BOOST_AUTO_TEST_CASE(util_DateTimeStrFormat)
 {
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 0), "01/01/70 00:00:00");