From de720e643d8c54c613356bfcdcb6c49984460a17 Mon Sep 17 00:00:00 2001
From: Federico Bond <federicobond@gmail.com>
Date: Mon, 12 Dec 2016 23:59:53 -0300
Subject: Improve error message when trying to modify constant variables

---
 test/libsolidity/SolidityNameAndTypeResolution.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/libsolidity')

diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index a4e601f7..576421fd 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -4865,6 +4865,17 @@ BOOST_AUTO_TEST_CASE(does_not_warn_msg_value_in_modifier_following_non_payable_p
 	CHECK_SUCCESS_NO_WARNINGS(text);
 }
 
+BOOST_AUTO_TEST_CASE(assignment_to_constant)
+{
+	char const* text = R"(
+		contract c {
+			uint constant a = 1;
+			function f() { a = 2; }
+		}
+	)";
+	CHECK_ERROR(text, TypeError, "Cannot assign to a constant variable.");
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }
-- 
cgit