Allow explicit conversions bytes <-> string.

1 files changed, 17 insertions, 0 deletions

diff --git a/libsolidity/SolidityNameAndTypeResolution.cpp b/libsolidity/SolidityNameAndTypeResolution.cpp
index cfc43df9..6b116f25 100644
--- a/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -2149,6 +2149,23 @@ BOOST_AUTO_TEST_CASE(memory_structs_with_mappings)
 	BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
 }
 
+BOOST_AUTO_TEST_CASE(string_bytes_conversion)
+{
+	char const* text = R"(
+		contract Test {
+			string s;
+			bytes b;
+			function h(string _s) external { bytes(_s).length; }
+			function i(string _s) internal { bytes(_s).length; }
+			function j() internal { bytes(s).length; }
+			function k(bytes _b) external { string(_b); }
+			function l(bytes _b) internal { string(_b); }
+			function m() internal { string(b); }
+		}
+	)";
+	BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }